SERVICES

OUR CAPABILITIES

One Contractor. Complete Mechanical Coverage.

General Air provides the full range of commercial HVAC and plumbing services — from new construction installations and complex retrofits to preventative maintenance contracts and 24/7 emergency response. Our 100% union-certified crew has the expertise to handle any mechanical system, in any facility, on any timeline.

We serve hospitals, universities, residential developments, commercial office buildings, and institutional facilities across all of Massachusetts. Every project is delivered on time, on budget, and to the highest standard of workmanship.

GET A QUOTE

From ground-up mechanical installations to complex retrofit projects, General Air delivers commercial HVAC systems engineered for performance, efficiency, and longevity. We work with all major equipment manufacturers and handle everything from rooftop units and air handlers to chillers, cooling towers, and VAV systems.

Rooftop unit installation & replacement
Air handling unit (AHU) installation
Chiller & cooling tower systems
VAV & VRF system installation
Ductwork fabrication & installation
Controls & building automation integration

HVAC

General Air's licensed plumbers handle the full spectrum of commercial plumbing — from new construction rough-in and fixture installation to pipe repair, water heater replacement, and backflow prevention. Our plumbing crews work alongside our HVAC teams to deliver seamless mechanical systems on every project.

New construction plumbing rough-in
Pipe installation, repair & replacement
Water heater & boiler installation
Backflow prevention & testing
Drain, waste & vent (DWV) systems
Fixture installation & replacement

Plumbing

A well-maintained HVAC system lasts longer, runs more efficiently, and costs less to operate. General Air offers comprehensive preventative maintenance contracts tailored to your facility's specific equipment and schedule. Our PM programs are designed to catch problems before they become emergencies — protecting your investment and your occupants.

Customized PM schedules & contracts
Filter replacement & coil cleaning
Refrigerant level checks & recharge
Belt, bearing & motor inspection
Controls calibration & testing
Detailed service reports after every visit

Preventative Maintenance

Take greater control of your building’s comfort, efficiency, and performance. General Air provides commercial HVAC controls and building automation solutions designed to keep mechanical systems operating efficiently and reliably. From controls installation and system integration to calibration, troubleshooting, and upgrades, our team helps facilities optimize performance while reducing unnecessary energy use.

Building automation system (BAS) integration
HVAC controls installation & upgrades
Controls calibration & testing
System troubleshooting & diagnostics
Temperature & equipment monitoring
Controls programming & optimization

Controls

HOW WE WORK

Our Project Proposal

01

CONSULTATION

We meet on-site to assess your facility, understand your requirements, and identify the right mechanical solution.

02

PROPOSAL

We deliver a detailed, transparent proposal — scope of work, timeline, and fixed pricing. No surprises.

03

INSTALLATION

Our union crew executes the work with precision, keeping your facility operational and your schedule intact.

04

COMMISSIONING

Every system is fully commissioned, tested, and documented before we hand the keys back to you.

Ready to Work With Us?

Contact our team today for a free estimate on your next commercial HVAC project.

GET FREE ESTIMATE