Air Conditioning · Boston, MA
Air Conditioning services in Boston, MA
Air conditioning services cover everything from a same-week repair on a central AC that stopped cooling to a full system replacement. Most calls come down to a failed electrical part, low refrigerant from a leak, or a dirty coil that chokes airflow.
- Same-day appointments when available
- Licensed local contractors
- Written price first

Boston, MA
Air Conditioning in Boston: what's different
Air Conditioning work in Boston follows the local climate. Cooling seasons are shorter in cold climates, but summer heat waves still bring urgent AC calls, often for systems that sat unused all winter. Spring start-up checks catch failed capacitors, low refrigerant and blocked drains.
Older homes often use gas or oil boilers with radiators. Triple-deckers often have separate systems per unit, and mini-splits are a common cooling upgrade. Boston's housing includes brownstones, triple-deckers and colonial-era homes, many with boilers and radiators. Adding central air is difficult in these buildings, so ductless heat pumps are common. Triple-deckers often have separate systems per floor, each with its own maintenance needs. Older homes also benefit from air sealing before heat pumps are sized.
The air conditioning services Boston homeowners ask for most are AC Replacement & Installation. Correctly sized new systems, SEER2 ratings and refrigerant changes.
Boston's Inspectional Services Department issues permits and enforces building codes in the city. Mass Save has offered heat pump incentives; check current programs. Schedule boiler service in fall and AC or heat pump service in spring.
Air Conditioning
Air Conditioning services in Boston
Which one do I need?
Pick the right service
| If this is happening | Start with |
|---|---|
| The AC runs but blows warm air, or will not start | AC Repair in Massachusetts |
| It is dangerously hot and the system is completely down | Emergency AC Repair in Massachusetts |
| The system is old, uses R-22, or needs frequent repairs | AC Replacement & Installation in Boston |
| You keep adding refrigerant or see ice on the lines | Refrigerant Leak Repair |
| The outdoor coil is caked with dirt, cottonwood or dust | Coil Cleaning |
| You use a swamp cooler | Evaporative (Swamp) Cooler Service |
FAQ
Air Conditioning questions in Boston
Who handles air conditioning service in Boston, MA?+
Call with your ZIP code. We connect you with a licensed HVAC contractor in our network that serves Boston, including Back Bay, South End, Dorchester, and they give you a written price before work starts.
How do I know if my AC needs repair or replacement?+
Age, refrigerant type and the failed part decide it. A newer system with a bad capacitor or fan motor is a repair. An older R-22 system with a failed compressor or leaking coil is usually a replacement.
Why is my AC running but not cooling?+
Common causes are a dirty filter or coil, low refrigerant from a leak, a failed outdoor fan or capacitor, or a frozen indoor coil. Turn the system off if you see ice and call for a diagnosis.
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