Central AC Repair

When central air conditioning fails on a 90-degree, high-humidity Southeastern Massachusetts afternoon, the house turns uncomfortable fast — and for families with young kids, older relatives, or anyone sensitive to the heat, it's more than an inconvenience. Quality Home Heating & Air gets out quickly, finds the real cause, and gets your system cooling again, with the honest answer about what failed and why.

We've repaired central AC across the South Shore and South Coast since 1988, on every major brand and on systems of every age. That experience matters with diagnostics: a system blowing warm air can be a tripped breaker, a failed capacitor, a seized compressor, a refrigerant leak, or a frozen indoor coil — and the fix (and the cost) is wildly different for each. We don't guess and we don't throw parts at the problem. We test, we measure, and we tell you what we find.

Every repair starts with a thorough diagnosis and upfront pricing — you approve the work before we do it, with no surprises. Where a repair clearly makes sense, we make it and verify the system is performing the way it should. Where an aging system isn't worth the money to keep nursing along, we'll tell you that too, and lay out your options honestly — including high-efficiency replacements that qualify for Mass Save rebates and financing.

Most no-cool calls trace back to a handful of culprits. Electrical components are the most common: a failed run capacitor, a burned contactor, or a tripped breaker will stop the compressor or fan from starting, often with a hum or a click and no cold air. These are also among the most affordable repairs when caught early — which is one reason fast diagnosis pays off.

A frozen indoor coil is the classic 'it was cooling, now it's blowing warm' complaint. It's usually caused by low airflow (a dirty filter or blocked return), a dirty evaporator coil, or low refrigerant from a leak. The system can't be properly diagnosed until it fully thaws, and simply 'adding refrigerant' without finding the leak just defers the problem — refrigerant doesn't get used up; if the charge is low, it's leaking out somewhere.

Water around the indoor unit points to a clogged condensate drain or a cracked drain pan, which can cause water damage if ignored. Strange noises, short-cycling, and an outdoor unit that runs without cooling can signal anything from a failing fan motor or capacitor to a refrigerant-charge problem or, in the worst case, a failing compressor. Our job is to pinpoint which one — accurately — before you spend a dollar on parts.