Commercial + Industrial · Metro Atlanta · Est. 2002

Built for uptime.

Mechanical services for facilities that can’t afford failure. Maintenance, repairs, and replacement of HVAC, refrigeration, plumbing, and piping.

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Atlanta’s owner-first mechanical contractor
Data CentersDefense & GovernmentAerospaceLife Sciences & PharmaHealthcare & Surgery CentersLaboratoriesCold StorageFood ManufacturingAdvanced ManufacturingK-12UniversitiesReligious OrganizationsMulti-location maintenance
24/7 human responseFamily-ownedHVACRefrigerationIndustrial RefrigerationChillersPlumbingPipingPumpsRenovations & retrofits

A different kind of contractor

Owners
choose us.

Most of our work is directly for the people accountable for the building, the plant, and the outcome. They don’t gamble on the lowest bidder. Neither do we.

Second-generationFamily-owned + independent
Still serving customer #1Relationships over transactions
One integrated teamFrom maintenance to replacement
Metro Atlanta and moreCommercial + industrial

Trusted

HVAC Peak Performance PlatinumHVAC Peak Performance PlatinumAvetta memberMCAAMCAA of GeorgiaMechanical Trades InstituteHIRE Vets Medallion — Platinum awards through 2025HIRE Vets Platinum · 2020–2025Local 72Safety Council sealGwinnett Chamber Chairman’s ClubTop 25 badge

Full-scope mechanical

One team.
Every system.

From a single service call to a phased retrofit in an occupied facility — manpower, technical depth, and one team accountable for the finish.

01 / 06

HVAC maintenance and repair

Planned maintenance and fast repairs that keep commercial and industrial HVAC online.

↗ 02 / 06

Refrigeration maintenance and repair

Service and repair for low-temp refrigeration — cold storage, freezers, food manufacturing. Dedicated CO₂ coverage: /services/co2-refrigeration/.

↗ 03 / 06

Chillers, boilers, cooling towers, heat exchangers

Critical plant equipment support: chillers, boilers, and cooling towers for facilities that can’t go down.

↗ 04 / 06

Projects, renovations, and retrofits

Mechanical renovations, retrofits, and special projects — not ground-up construction.

↗ 05 / 06

Plumbing emergency service

After-hours and emergency plumbing response when a line, drain, or fixture can’t wait.

↗ 06 / 06

Plumbing repairs and replacements

Day-to-day plumbing repairs and replacements across your Metro Atlanta sites.

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Mission Critical Facilities

Failure isn’t
an option.

When downtime has consequences, choose Willis Mechanical — data centers, hospitals, industrial plants, labs, schools, and cold storage.

  • Data centers
  • Hospitals
  • Industrial
  • Laboratories
  • Cold storage
  • Schools
Contact us now

Field notes

All projects ↗
Two Willis Mechanical technicians on a rooftop fastening a louvered panel onto a large condensing unit under a blue sky01HVAC Service
Maintenance and repairKeeping your
buildings comfortable
↗
 Dense insulated refrigerant piping, filter dryers, and a liquid CO2 receiver on a skid-mounted industrial rack02Refrigeration
CO₂ · Racks · Retrofits · ServiceSpecialists who
keep it cold.
↗
 Willis Mechanical technician with a multimeter at an open control cabinet full of color-coded wiring03Chillers
Boilers · Cooling towers · Heat exchangersProcess and
comfort cooling.
↗
 Willis Mechanical technicians working on commercial equipment outdoors04Projects
Renovations and retrofitsDone right.
The first time.
↗
 Willis Mechanical technician working on a commercial floor drain05Plumbing
Emergency · Repairs · ReplacementsWhen lines
can’t wait.
↗
From the fieldHover to pause
Technician footing a ladder while a second technician works inside a ceiling access panelCeiling access
Technician brazing a refrigerant line on a rooftop unit with the Atlanta skyline behindBrazing · Downtown
Technician on a ladder reaching into an open condensing unitCondenser service
Technician probing wiring inside a control cabinet with a multimeterPanel diagnostics
Two Willis Mechanical technicians standing beside a stepladder on a job siteThe crew
Technician working inside a rooftop unit with the downtown skyline and a tower crane aboveRooftop · Midtown
Technician reaching into an open compressor compartment on an outdoor refrigeration skidCompressor skid
Senior technician on a ladder explaining a repair to a colleagueField crew
Technician in a Willis Mechanical shirt beside an industrial refrigeration rackRefrigeration rack
Packaged refrigeration unit on a concrete pad with its control cabinet openPackaged refrigeration
Two technicians passing filters up a ladder inside a restaurantFilter change
Technician driving a fastener into a louvered rooftop panelLouver install

Customer portal

Your building.
Your data.

Managing mechanical equipment should be as clear as the work itself. See history, place calls, review equipment, and pay securely — then talk to a real person when you need one.

01 / Portal

See everything.

Equipment, appointments, work tickets, quotes, and service history—available anytime.

Open customer portal ↗ 02 / Pay

Pay easily.

Pay invoices securely online.

Pay online ↗ 03 / Dispatch

Reach a human.

Real people, working for you. NOT Ai. Call or text the office 24/7 — your request reaches the team responsible for the response.

Contact dispatch ↗
Willis Mechanical team member with branded truck, hard hat in hand

Independent by design

Built to last.
Still personal.

No private equity. No shareholders telling us to cut corners.

Grant and Leticia Willis started the company in 2002 around a simple idea: put customers first, treat people well, and hold the work to a higher standard. Today, the company is still 100% owned by family members, with second-generation family ownership continuing on the same mission: knock our customers' socks off.

Meet Willis Mechanical ↗

Careers at Willis

Do the work.
With the team

Family-owned, and staying that way. We take care of customers by hiring motivated professionals — and taking great care of them. Come join the team.

Join the crew

Ready when you are

Let’s keep
it running.

(678) 966-0094 ↗

Service + emergencies(678) 966-0094
Call or text the office 24/7.
service@willismech.com

Contact UsComms Plan

Visit us1850 Beaver Ridge Circle, Suite E
Norcross, GA 30071