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Preventing Clogs – The benefits of Preventive Hydrojetting
Preventing Clogs – The benefits of Preventive Hydrojetting 1024 768 admin

The Essential Role of Annual Hydrojetting in Commercial Plumbing Maintenance

Introduction:

As a commercial plumbing contractor, I have witnessed firsthand the numerous issues that can arise from neglected drain pipes in businesses. In this blog post, I will emphasize the importance of annual Hydrojetting in maintaining the efficiency and functionality of drain pipes in various commercial settings. By highlighting the types of damage that can be avoided through Hydrojetting, we will explore how this proactive plumbing maintenance technique can benefit businesses, such as schools, dormitories, medical labs, stadiums and arenas, convention centers, and high-rise buildings.

Preventing Clogs and Blockages:

Clogs and blockages are common problems in commercial plumbing systems that can lead to severe damage if left unaddressed. Hydrojetting serves as a powerful preventive measure to avoid such issues. By utilizing high-pressure water to clear out debris and blockages, Hydrojetting ensures that drain pipes remain free from obstructions. This is particularly crucial in high-traffic facilities like schools and dormitories, where the heavy usage of toilets, sinks, and showers increases the likelihood of clogs.

Preserving Sanitary Conditions:

Maintaining clean and sanitary conditions is paramount, especially in medical labs. These facilities handle sensitive experiments and specimens that necessitate strict adherence to hygiene standards. Hydrojetting plays a significant role in preventing the accumulation of contaminants and bacterial growth within drain pipes. By effectively removing residue and grime, Hydrojetting minimizes the risk of contamination, ensuring a safe and sterile environment in medical labs.

Mitigating Water Damage:

Stadiums and arenas, convention centers, and high-rise buildings are characterized by their complex plumbing systems, involving a multitude of drains and pipes. Neglected or clogged pipes in these facilities can result in disastrous consequences, such as water damage and costly repairs. Regular Hydrojetting can prevent such incidents by ensuring that water flows freely through the pipes. By eliminating the potential for overflowing toilets, flooded restrooms, or leaking fixtures, Hydrojetting safeguards the structural integrity of these buildings and protects them from water-related damages.

Enhancing Operational Efficiency:

Maintaining efficient plumbing systems is essential for businesses to operate smoothly. Annual Hydrojetting aids in maximizing the performance of plumbing fixtures and appliances. By removing buildup and obstructions, Hydrojetting improves water flow and prevents decreased water pressure. This is especially beneficial in convention centers and high-rise buildings where large volumes of water are required for various purposes, such as restroom facilities, food service operations, and fire protection systems. By ensuring optimal water pressure, Hydrojetting contributes to seamless operations and an enhanced customer experience.

Conclusion:

Annual Hydrojetting is an indispensable component of commercial plumbing maintenance, helping businesses avoid a wide range of plumbing issues. By preventing clogs, preserving sanitary conditions, mitigating water damage, and enhancing operational efficiency, Hydrojetting protects the integrity of drain pipes in diverse commercial settings like schools, dormitories, medical labs, stadiums and arenas, convention centers, and high-rise buildings. As a commercial plumbing contractor, I strongly recommend investing in regular Hydrojetting to ensure the longevity and functionality of your business’s plumbing system, enabling uninterrupted operations and peace of mind.
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Comparing Water Cooled Chiller Types
Comparing Water Cooled Chiller Types 1024 682 admin

Comparing Centrifugal Chillers, Screw Chillers, and Mag-Bearing Chillers: Pros and Cons

Centrifugal Chillers: Pros:

  1. High Cooling Capacity: Centrifugal chillers are capable of providing high cooling capacities, making them suitable for large-scale applications.
  2. Efficiency at Full Load: Centrifugal chillers typically exhibit excellent efficiency at full load conditions, offering energy savings.
  3. Part-Load Efficiency: Some centrifugal chillers feature variable-speed drive technology, allowing them to modulate capacity to match the cooling demand, resulting in enhanced part-load efficiency.
  4. Compact Size: Centrifugal chillers are often more compact than other chiller types, making them suitable for installations with space constraints.

Cons:

  1. Limited Capacity Modulation: Traditional centrifugal chillers have limited capacity modulation capabilities, which may result in reduced efficiency at part-load conditions compared to other chiller types.
  2. Higher Sound Levels: Centrifugal chillers tend to generate more noise compared to other chiller types, making them less desirable in noise-sensitive environments.
  3. Higher Initial Cost: Centrifugal chillers are generally more expensive to purchase and install than other chiller types, making them less cost-effective for smaller applications.

Screw Chillers: Pros:

  1. Reliability: Screw chillers are known for their robustness and reliability, requiring minimal maintenance and repairs.
  2. Wide Operating Range: Screw chillers offer a wide operating range, allowing them to maintain efficiency across various cooling load conditions.
  3. Efficiency at Part Load: Screw chillers can achieve good part-load efficiency, especially those equipped with variable-speed drive technology.
  4. Lower Noise Levels: Screw chillers typically produce lower noise levels compared to centrifugal chillers, making them more suitable for noise-sensitive environments.

Cons:

  1. Larger Footprint: Screw chillers tend to have a larger physical footprint compared to other chiller types, requiring more space for installation.
  2. Limited Capacity Modulation: Traditional screw chillers have limited capacity modulation capabilities, which may result in reduced efficiency at part-load conditions.
  3. Moderate Initial Cost: Screw chillers generally fall in the mid-range in terms of initial cost, making them a viable option for various applications but not the most cost-effective choice.

Mag-Bearing Chillers: Pros:

  1. Energy Efficiency: Mag-bearing chillers are known for their high energy efficiency, as the magnetic bearings eliminate friction and reduce energy consumption.
  2. Silent Operation: Mag-bearing chillers operate quietly due to the absence of mechanical friction and vibration.
  3. Reduced Maintenance: With fewer moving parts and no mechanical bearings, mag-bearing chillers require less maintenance and have a longer lifespan.
  4. Precise Capacity Control: Mag-bearing chillers offer precise capacity control, ensuring efficient operation even at varying cooling loads.

Cons:

  1. Higher Initial Cost: Mag-bearing chillers are typically the most expensive option due to their advanced technology and energy-efficient features.
  2. Limited Availability: The availability of mag-bearing chillers may be limited compared to centrifugal and screw chillers, resulting in longer lead times for procurement and installation.

Factors Influencing Chiller Selection:

  • Capacity and Load Profile: Centrifugal chillers are suitable for high-capacity applications, while screw and mag-bearing chillers offer better part-load efficiency.
  • Noise Sensitivity: For noise-sensitive environments, screw chillers and mag-bearing chillers are preferable due to their lower sound levels.
  • Energy Efficiency: Mag-bearing chillers are known for their exceptional energy efficiency, making them a preferred choice for sustainable and energy-conscious projects.
  • Budget Considerations: Centrifugal chillers are typically more expensive, while screw chillers and mag-bearing chillers offer cost-effective alternatives.
  • Maintenance Requirements: Screw chillers and mag-bearing chillers generally require less maintenance and have longer lifespans compared to centrifugal chillers.

The choice between centrifugal chillers, screw chillers, and mag-bearing chillers depends on specific project requirements, including capacity, load profile, noise sensitivity, energy efficiency goals, budget considerations, and maintenance preferences. Engineers will consider these factors to determine the most suitable chiller type for their particular application, weighing factors such as capacity modulation, sound levels, initial cost, energy efficiency, and maintenance requirements. It is recommended to consult with a qualified chiller specialist or HVAC engineer to select the optimal chiller type for each unique project.
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Replacing Air Cooled Chillers
Replacing Air Cooled Chillers 480 640 admin

Replacing Air Cooled Chillers in Commercial and Industrial Settings: Enhancing Infrastructure and Ensuring Efficiency

When it comes to replacing air-cooled chillers in commercial and industrial settings, careful consideration of various factors is essential. Air-cooled chillers play a crucial role in maintaining optimal indoor temperatures and ensuring the smooth operation of HVAC systems. In this comprehensive guide, we will explore the operation of air-cooled chillers and discuss key considerations when replacing them, including capacity, sound levels, electrical requirements, flow rates, dimensions, compressor types, economizers, cooling stages, and the opportunity to strengthen infrastructure through redundancy. Additionally, we will highlight the importance of advanced phase monitors to protect against power spikes in the Atlanta area/Georgia power grid.

  1. Operation of Air-Cooled Chillers: Air-cooled chillers remove heat from the indoor environment through the refrigeration cycle. They utilize fans to draw air across the condenser coils, dissipating heat into the atmosphere. This eliminates the need for water cooling, making air-cooled chillers a popular choice in commercial and industrial applications.
  2. Considerations When Replacing Air-Cooled Chillers: a) Capacity: Determining the appropriate chiller capacity is crucial for meeting the cooling demands of the space. Factors to consider include peak load conditions, occupancy, equipment heat gain, and future expansion needs. b) Sound Levels: Noise levels can impact occupant comfort and nearby noise-sensitive areas. Selecting chillers with low sound ratings ensures a quieter environment. c) Electrical Requirements: Understanding the electrical capacity and available power supply is vital for selecting a chiller that matches the electrical infrastructure of the facility. d) GPM Flow and Delta T on the Evaporator: Proper water flow rates and temperature differentials on the evaporator coil are essential for efficient heat transfer and chiller performance. e) Physical Dimensions: Assessing the physical space available for the chiller is crucial to ensure a proper fit and ease of installation. f) Compressor Types: Consider different compressor types, such as reciprocating, scroll, or screw, based on efficiency, reliability, and maintenance requirements. g) Economizers: Incorporating economizers can enhance energy efficiency by utilizing outdoor air for cooling during favorable conditions. h) Stages of Cooling: Multi-stage cooling systems provide flexibility and energy savings by allowing the chiller to operate at partial loads during periods of lower cooling demand.
  3. Strengthening Infrastructure Through Redundancy: The replacement of air-cooled chillers presents an excellent opportunity to strengthen the infrastructure and minimize downtime. Adding redundancy, such as an extra chiller and pumps, ensures uninterrupted cooling even in the event of chiller failure or maintenance requirements. Redundancy safeguards against production disruptions, protects critical processes, and maintains occupant comfort.
  4. Advanced Phase Monitors for Power Protection: The Atlanta area and Georgia power grid may experience power spikes, which can adversely affect equipment performance and lifespan. Installing advanced phase monitors as part of the chiller replacement project helps protect against power fluctuations, voltage imbalances, and phase loss. These monitors provide real-time monitoring and protective measures, safeguarding the chiller and associated equipment.

Replacing air-cooled chillers in commercial and industrial settings requires careful consideration of various factors to ensure optimal performance and efficiency. Understanding capacity requirements, sound levels, electrical considerations, flow rates, dimensions, compressor types, economizers, and cooling stages is crucial. Additionally, taking advantage of the replacement process to strengthen infrastructure through redundancy enhances reliability and minimizes downtime risks. Lastly, the installation of advanced phase monitors protects against power spikes in the Atlanta area/Georgia power grid, safeguarding the chiller and supporting equipment. By addressing these considerations, businesses can ensure efficient cooling operations, maintain productivity, and enhance the longevity of their HVAC systems.

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Welding Techniques and Pipe Materials
Welding Techniques and Pipe Materials 1024 768 admin

Exploring Welding Techniques for Joining Metal and Plastic Pipes: A Comprehensive Guide

 In the world of piping, it is essential to have a solid understanding of the various welding techniques available for joining metal and plastic pipes. Each welding process has its unique characteristics, advantages, and applications. In this comprehensive guide, we will explore five commonly used welding methods: stick, MIG, TIG, fusion, and orbital welding. Additionally, we will delve into the importance of different piping materials, including HDPE, copper, PVC, and stainless steel, and discuss sanitary welding practices for clean room environments. Understanding these welding techniques and materials is vital for successful piping projects in commercial and industrial settings.

  1. Stick Welding: Stick welding, also known as Shielded Metal Arc Welding (SMAW), is a versatile process suitable for joining metal pipes. It involves using a consumable electrode coated with flux, which provides a shielding gas to protect the weld from atmospheric contamination. Stick welding is commonly used in construction, maintenance, and repair projects, especially in outdoor and rugged environments.
  2. MIG Welding: MIG (Metal Inert Gas) welding, also referred to as Gas Metal Arc Welding (GMAW), is a popular method for joining metal pipes. It employs a wire electrode and a shielding gas, such as argon or a mixture of gases, to protect the weld pool from oxidation. MIG welding offers high productivity, good weld quality, and is suitable for various pipe sizes and thicknesses. It finds applications in manufacturing, fabrication, and automotive industries.
  3. TIG Welding: TIG (Tungsten Inert Gas) welding, or Gas Tungsten Arc Welding (GTAW), is a precise and versatile welding process commonly used for both metal and plastic pipes. It utilizes a non-consumable tungsten electrode and an inert gas, typically argon, to shield the weld area. TIG welding offers excellent control, produces clean and precise welds, and is particularly suitable for thin-wall piping applications in industries like aerospace, pharmaceuticals, and electronics.
  4. Fusion Welding: Fusion welding is a technique predominantly used for joining plastic pipes, especially High-Density Polyethylene (HDPE) pipes. This method involves melting the pipe ends and then pressing them together to create a strong, continuous bond. Fusion welding ensures leak-free joints, excellent chemical resistance, and is widely used in water supply, sewage systems, and gas distribution networks.
  5. Orbital Welding: Orbital welding is a specialized automated welding technique that ensures consistent, high-quality welds, particularly in stainless steel tubing and piping. This process utilizes a computer-controlled power source and a rotating tungsten electrode to produce precise and repeatable welds. Orbital welding is crucial in industries requiring sanitary welding practices, such as food and beverage, pharmaceuticals, and biotechnology, where cleanliness and precision are paramount.

Piping Material Applications:

  • HDPE Pipe: High-Density Polyethylene (HDPE) pipes are commonly used for underground water and sewer systems due to their excellent chemical resistance, durability, and flexibility.
  • Copper Pipe: Copper pipes are widely used in commercial and industrial applications for plumbing, heating, and cooling systems due to their corrosion resistance, malleability, and thermal conductivity.
  • PVC Pipe: Polyvinyl Chloride (PVC) pipes find applications in various industries, including irrigation, drainage, and HVAC systems, due to their cost-effectiveness, durability, and chemical resistance.

When it comes to orbital welding in clean room environments, such as those found in pharmaceutical or biotechnology facilities, an experienced contractor is essential. These environments require stringent cleanliness standards, and orbital welding plays a vital role in maintaining the integrity of the piping systems. An experienced contractor understands the specific requirements of sanitary welding, possesses the necessary certifications, and has the expertise to ensure precise welds while adhering to clean room protocols. Trusting an experienced contractor for orbital welding projects in clean room environments guarantees compliance, avoids contamination risks, and ensures the long-term reliability of the piping systems.

Understanding the various welding techniques for joining metal and plastic pipes is crucial for successful piping projects in commercial and industrial settings. The selection of the appropriate welding method depends on the material being joined, the application requirements, and environmental considerations. Additionally, the choice of piping material, such as HDPE, copper, PVC, or stainless steel, depends on factors like durability, chemical resistance, and cost-effectiveness. In specialized environments like clean rooms, orbital welding becomes crucial for maintaining sanitary conditions. By partnering with an experienced contractor, you can ensure the highest quality welds, compliance with standards, and the longevity of your piping systems.
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Troubleshooting Scroll Compressors
Troubleshooting Scroll Compressors 960 1280 admin

Troubleshooting a Scroll Compressor in a Rooftop Unit or Split System: A Technical Guide for Building Owners in Hot Atlanta Summers

As a building owner in Atlanta, you’re well aware of the scorching hot summers that put your HVAC system to the test. Understanding the intricacies of troubleshooting a scroll compressor in your rooftop unit or split system becomes even more crucial. In this technical guide, we will delve into the complexities of scroll compressor troubleshooting, focusing on topics such as compressor performance, measurements, common failures, and compressor replacement. By the end, you will come to appreciate the importance of relying on a trained and insured mechanical contractor to handle these tasks, especially in the face of Atlanta’s blistering summer weather.

  1. Determining Compressor Performance: When it comes to assessing the performance of your scroll compressor, the demanding Atlanta climate adds an extra layer of importance. Begin by examining the compressor’s electrical operation, ensuring that power is reaching the unit and checking for any electrical anomalies. Once the electrical side is verified, you can proceed to evaluate the mechanical functionality of the compressor, a critical aspect given the extreme conditions it operates under.
  2. Normal Superheat and Subcool Measurements: In Atlanta’s hot summers, accurate measurements of superheat and subcooling in your comfort cooling DX system become crucial for maintaining optimal performance. Superheat, measured at the suction line, indicates the temperature increase of the refrigerant above its boiling point at a given pressure. Subcooling, measured at the liquid line, reveals the temperature decrease of the refrigerant below its condensing point. While specific values for normal superheat and subcooling can vary depending on the system, it’s essential to consult the manufacturer’s specifications or a professional, especially considering Atlanta’s sweltering climate.
  3. Common Causes of Scroll Compressor Failure: Given the intense heat and humidity in Atlanta, scroll compressors are susceptible to certain failures. Understanding the common causes can help you appreciate the need for professional assistance. These causes include: a) Insufficient lubrication: Inadequate lubrication leads to increased friction and wear, compromising compressor performance and eventually causing failure. b) Overheating: Restricted airflow, excessive refrigerant pressures, or inadequate oil return can result in high discharge temperatures, leading to compressor overheating and failure. c) Electrical issues: Atlanta’s electrical grid and system fluctuations can impact compressor performance. Voltage fluctuations, improper wiring sizes, or faulty electrical components can cause compressor failure. d) Contamination: The presence of moisture, acid, or debris can contaminate the refrigerant system, damaging internal compressor components and impacting its reliability.
  4. Determining the Type of Failure: Accurately diagnosing the specific type of compressor failure in the face of Atlanta’s summer weather requires expertise and specialized tools. Mechanical contractors perform tests such as megohm readings, amp draw analysis, and refrigerant system analysis to pinpoint the root cause accurately. Attempting to diagnose the failure without the necessary experience and equipment can lead to misdiagnosis, further damage to the system, and increased discomfort during the sweltering Atlanta summers.
  5. Procedure and Equipment for Compressor Replacement: When it comes to replacing a scroll compressor in Atlanta’s heat, professional assistance is indispensable. Here’s a brief overview of the general procedure: a) Refrigerant recovery: Properly recovering the refrigerant from the system using approved equipment ensures environmental safety and legal compliance. b) Compressor isolation: Isolating the failed compressor from the refrigerant circuit by closing valves or using isolation tools prevents further damage to the system. c) Compressor removal: Disconnecting electrical connections and removing mounting brackets allows for the safe extraction of the compressor. d) Preparation for replacement: Thoroughly cleaning the system, replacing any contaminated or damaged components, and preparing the new compressor for installation. e) Compressor installation: Carefully installing the new compressor, ensuring proper alignment and connection of all components, is crucial for reliable operation in Atlanta’s demanding climate. f) Evacuation and charging: Evacuating the system to remove contaminants and moisture, followed by charging with the appropriate refrigerant and fine-tuning for optimal performance. g) System testing: Conducting rigorous tests, including leak checks and verifying proper superheat and subcooling values, guarantees the system’s reliability and efficiency in combating Atlanta’s hot summers.

Navigating the technical aspects of troubleshooting a scroll compressor in your Atlanta building’s HVAC system can be daunting. Given the challenges presented by the scorching summer weather, it becomes evident that relying on a trained and insured mechanical contractor is essential. Their expertise, experience, and specialized tools ensure accurate diagnosis, effective resolution of scroll compressor issues, and optimal performance in Atlanta’s demanding climate. Trusting professionals to handle these complex tasks guarantees your equipment receives the necessary care, minimizes risks, and ensures your building remains cool and comfortable even during the hottest of Atlanta summers.
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Phasing Out of R-410A and the Introduction of New Refrigerants
Phasing Out of R-410A and the Introduction of New Refrigerants 1024 768 admin

Navigating the Transition: Understanding the Phasing Out of R-410A and the Introduction of New Refrigerants

Introduction: As a commercial mechanical contractor, part of our responsibility is to keep our clients informed about changes in the industry. One significant shift currently taking place is the phasing out of R-410A, a widely used refrigerant, and the emergence of newer, slightly flammable refrigerants. In this article, we will delve into the reasons behind this transition, address concerns regarding fire hazards, and shed light on the equipment and training requirements associated with these new refrigerants.

  1. The Phasing Out of R-410A: R-410A has long been the go-to refrigerant for air conditioning and heat pump systems due to its high energy efficiency and environmental friendliness compared to its predecessors, such as R-22. However, its high global warming potential (GWP) has prompted a shift toward more environmentally sustainable alternatives. Here’s what you need to know:

a. Environmental Impact: R-410A has a GWP that contributes to climate change when released into the atmosphere. In response, regulatory agencies worldwide are mandating the phase-out of high-GWP refrigerants to mitigate their environmental impact.

b. Global Agreements: The Kigali Amendment to the Montreal Protocol, a global environmental agreement, calls for a reduction in the production and consumption of hydrofluorocarbon (HFC) refrigerants, including R-410A. This agreement aims to limit global warming potential and transition to lower-GWP alternatives.

  1. Introduction of Newer, Slightly Flammable Refrigerants: To meet the growing need for environmentally friendly options, manufacturers are introducing newer refrigerants with lower GWPs. Some of these replacements, such as R-32 and R-454B, are classified as mildly flammable. Let’s address common concerns surrounding these refrigerants:

a. Fire Hazard: While the term “flammable” might raise concerns, it’s essential to understand that newer refrigerants are classified as slightly flammable. When used in HVAC systems, these refrigerants pose a very low fire hazard, especially in properly designed and maintained equipment.

b. Safety Precautions: Manufacturers have developed refrigerant blends with enhanced safety features, including reduced flammability and enhanced ignition resistance. The design and construction of equipment using these refrigerants adhere to strict safety standards to minimize any potential risks.

  1. Equipment and Training Requirements: To ensure safe installation and maintenance of equipment using these newer refrigerants, some additional considerations come into play:

a. Equipment Compatibility: Not all existing equipment is compatible with the newer refrigerants. It is important to consult with a knowledgeable mechanical contractor to determine if the equipment can be retrofitted or if replacement is necessary to accommodate the new refrigerants.

b. Training and Certification: Working with mildly flammable refrigerants requires specialized training and certification for HVAC technicians. Contractors and technicians should receive proper education on handling, installation, servicing, and leak detection procedures specific to these refrigerants.

Conclusion: The HVAC industry is undergoing a transition towards more environmentally friendly refrigerants, necessitating the phasing out of high-GWP options like R-410A. The emergence of newer, slightly flammable refrigerants provides greener alternatives, accompanied by enhanced safety features. It is crucial for commercial mechanical contractors and their clients to stay informed about these changes to make informed decisions and ensure compliance with regulations.

While mildly flammable refrigerants do not pose significant fire hazards, it is essential to follow safety guidelines, adhere to equipment compatibility requirements, and engage trained technicians for installation and servicing. By staying proactive and working with knowledgeable contractors, clients can embrace these changes and benefit from the increased energy efficiency and reduced environmental impact offered by these new refrigerants.

Together, we can navigate this transition towards a more sustainable future for the HVAC industry.

Note: It is important to consult the specific regulations, guidelines, and recommendations provided by regulatory agencies, manufacturers, and industry associations for detailed and up-to-date information regarding refrigerant transitions, safety protocols, and equipment requirements.
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Office Productivity- Relative Humidity and Fresh Air
Office Productivity- Relative Humidity and Fresh Air 1024 770 admin

Introduction: In today’s competitive business landscape, optimizing employee productivity is crucial for organizations to stay ahead. While various factors influence productivity, one often overlooked aspect is the indoor environment of an office setting. In particular, the relative humidity levels and the availability of fresh air can significantly affect employees’ well-being, comfort, and ultimately productivity. This article explores the relationship between relative humidity, fresh air, and productivity in an office environment, supported by relevant research findings.

  1. The Role of Relative Humidity: Relative humidity refers to the amount of moisture present in the air relative to the maximum moisture the air can hold at a given temperature. Maintaining appropriate humidity levels within the office space is essential for optimal comfort and productivity. Here’s what the research reveals:

a. Impact on Health: Studies indicate that low humidity levels can lead to dryness of mucous membranes, potentially causing respiratory issues, throat irritation, and dry eyes. Conversely, high humidity can contribute to the growth of mold and fungi, which may trigger allergies and respiratory problems.

b. Comfort and Concentration: Uncomfortable humidity levels can distract employees and hinder their ability to focus and concentrate on tasks. Maintaining optimal humidity (typically between 40-60%) can promote a comfortable working environment, reducing distractions and enhancing productivity.

c. Cognitive Performance: Research has demonstrated that moderate humidity levels positively affect cognitive performance, memory retention, and information processing. Improved cognitive abilities directly translate into higher productivity and better decision-making.

  1. The Significance of Fresh Air: Inadequate fresh air circulation in an office environment can result in stagnant, stuffy conditions that impact employees’ well-being and work performance. Consider the following findings:

a. Oxygen Levels: Fresh air contains higher oxygen levels, which is vital for brain function. Insufficient oxygen supply can lead to fatigue, decreased alertness, and reduced cognitive abilities, hindering productivity.

b. Indoor Air Quality: Poor air quality caused by inadequate ventilation can lead to the accumulation of pollutants such as carbon dioxide, volatile organic compounds (VOCs), and airborne particles. Exposure to these pollutants can cause discomfort, headaches, and respiratory issues, negatively affecting employees’ overall well-being and productivity.

c. Cognitive Function: Research indicates that increased fresh air circulation positively influences cognitive abilities, including attention, memory, and creativity. By supplying fresh oxygen and reducing the concentration of pollutants, fresh air can enhance employees’ cognitive performance, leading to improved productivity.

Conclusion: Maintaining optimal relative humidity levels and ensuring the availability of fresh air in an office environment are crucial factors in enhancing employee productivity. Research consistently demonstrates the impact of these elements on employees’ health, comfort, and cognitive abilities. Organizations can create a conducive workplace environment that promotes well-being and maximizes productivity by controlling humidity levels within the recommended range of 40-60% and ensuring proper ventilation for fresh air circulation.

Implementing measures such as humidifiers, dehumidifiers, proper ventilation systems, and regular air quality monitoring can contribute to maintaining ideal humidity and fresh air levels. Investing in these strategies not only demonstrates a commitment to employee well-being but also yields tangible benefits through increased productivity, improved morale, and reduced absenteeism.

Remember, a well-controlled indoor environment that prioritizes relative humidity and fresh air can become a competitive advantage for organizations seeking to optimize their workforce’s potential and drive long-term success. Willis Mechanical can help you achieve that long-term success.

References:

  1. Seppänen, O., Fisk, W.J., and Mendell, M.J. (1999). Association of Ventilation Rates and CO2 Concentrations with Health and Other Responses in Commercial and Institutional Buildings. Indoor Air, 9(4), 226-252. (Link: https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1600-0668.1999.00003.x)
  2. Wargocki, P., Wyon, D.P., and Sundell, J. (2000). Occupants’ Perceived Air Quality, Sick Building Syndrome (SBS) Symptoms and Productivity in an Office with a Displacement Ventilation System. Indoor Air, 10(4), 222-236. (Link: https://onlinelibrary.wiley.com/doi/abs/10.1034/j.1600-0668.2000.010004222.x)
  3. Environmental Protection Agency. (2018). Indoor Air Quality in Office Buildings: A Technical Guide. (Link: https://www.epa.gov/sites/default/files/2018-07/documents/indoor_air_quality_in_office_buildings.pdf)
  4. Frontczak, M., Schiavon, S., and Goins, J. (2012). Quantitative Relationships between Indoor Environmental Quality in Office Buildings and Cognitive Performance. Building and Environment, 47, 389-398. (Link: https://www.sciencedirect.com/science/article/pii/S0360132311003473)
  5. Allen, J.G., MacNaughton, P., Satish, U., et al. (2016). Associations of Cognitive Function Scores with Carbon Dioxide, Ventilation, and Volatile Organic Compound Exposures in Office Workers: A Controlled Exposure Study of Green and Conventional Office Environments. Environmental Health Perspectives, 124(6), 805-812. (Link: https://ehp.niehs.nih.gov/doi/full/10.1289/ehp.1510037)
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Corona Virus (CoVid-19) Services, Atlanta
Corona Virus (CoVid-19) Services, Atlanta 810 374 admin

The Corona Virus is a real threat to health and safety across the globe. The CDC is working diligently on fighting this virus. More info on their work can be found on the CDC’s website. This virus has the world’s attention, and has left many people asking “what can I do?” The CDC has issued guidance for schools, at work, and at home.

For facilities around the Atlanta Area- there are some solutions and services that we offer, that you should be aware of.

Willis Mechanical, based right here in the Atlanta area, has products and services that may help you prevent, minimize, and/or control Corona Virus. Willis Mechanical is proud to offer the following products and services:

  1. Willis Mechanical can install equipment in almost any type of HVAC system that not only kills viruses and microorganisms in the HVAC system , it also tested to kill them in the conditioned air, and on hard surfaces in contact with the conditioned air. This technology has been independently tested to kill 99% of living bacteria and viruses from a sneeze within 3ft of the source. We have had great success with this equipment in the past. (contact us for manufacturers info and test results)
  2. Willis Mechanical can provide HVAC technician teams in full Virus PPE (full face respirators and full tyvek suits) to install, repair, inspect, and maintain your HVAC systems in sensitive areas. Need those air filters changed in isolation rooms? Units cleaned with anti-viral cleaners? Airflow in these spaces is critical. We can help you maintain it.
  3. Willis Mechanical can provide a decontamination station for it’s employees and equipment. This station allows for safe and sterile exiting procedures for our team and equipment and allows for prolonged deployment of personnel to one site (medical facilities, isolation buildings, etc).

The team here at Willis Mechanical hopes this virus is eradicated quickly. But if you are wondering how your school, office, military base, or factory will protect itself and keep its equipment running- contact us and we will figure out how we can help.

 
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Temperature and Productivity for Office and Manufacturing Environments
Temperature and Productivity for Office and Manufacturing Environments 720 480 admin

Chris Willis
23May2018

The organizations of today are deeply focused on accomplishing more while using fewer resources. It seems everywhere we go we are looking for gains in efficiency. Miles per gallon, trees per coffee cup, lean manufacturing, and eliminating double data entry are all conversation topics common in our world. Everyone is trying to be more efficient. One of the most important metrics any company has is Employee Efficiency.

People efficiency, in my opinion, is most important. How much work can your team accomplish in a given amount of time?


What would a 3% raise in productivity this year mean for your organization? How about 5%?
What if you could raise the productivity of your entire team by 10%? What would that mean for you?

It may be possible. Let me explain.

Office and manufacturing environments today are getting all kinds of features and benefits to attract employees and help productivity. Bright LED lighting systems, open floor plans, more meeting rooms than ever, skype/teleconference rooms, and more are being added to organizations all in an effort to increase productivity. In my opinion, one of the most overlooked factors in employee productivity is HVAC.

What is the temperature in your office? Who decided on it? Who can adjust it, and when?

Most organizations can’t answer these questions yet they should be able to.

Allow me to explain:

Humans are warm blooded. We are constantly regulating our own body temperature. We balance all kinds of factors, internal and external, to achieve a level of thermostatic control on our core body temperature that is really remarkable. The harder our systems work on regulating body temperature, the less we can use them for anything else. If we are in a room that is 120 degrees, dripping sweat from our chins, there is no way we will be efficient. Same thing goes for being in a room that is -10 degrees. This is a pretty simple concept.

Here’s the big question: What temperature is the most efficient, and how much of a difference does it really make? How do you make the most efficient work place possible, in terms of temperature? I’m glad you asked.

 

According to scientific studies, the most efficient temperature for humans to complete work is 71.6 degrees. This same study found a reduction in performance of 8.9% when the temperature raised a little over 10 degrees. Let that sink in. Almost 10%.
This study took place in office environments, field laboratories, apparel factories, and class rooms.

I want to make sure this hits home. Let’s read that one more time:

 

This study found almost 10% productivity increases in office AND manufacturing spaces when controlling temperature to 71.6 degrees.

 

So why is your manufacturing space not heated and cooled? Why does your staff set the temperature in the office to 78 degrees or 68 degrees?
Are those things really hurting your productivity?

Science says they are.

 

Check out this table from Berkeley Research

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