Seasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Fast, Reliable AC Repair Across Quincy
AC repair in Quincy, MA typically costs $150 – $650 depending on the part that failed, and most calls are diagnosed within an hour of arrival. We know you’re not looking for a sales pitch when your house is 82°F inside and rising. You want a tech who tells you straight what failed, what it costs, and whether it’s worth fixing. That’s how Dalton Heating & Air works. We’re a Garrison Partners company operating under The Garrison Standard since 2003, and we dispatch crews to Quincy from our Boston office every day. Call (361) 306-9515 and a live person answers, 24/7.
Why Dalton Heating & Air Is Quincy’s Preferred AC Repair Company
Quincy homeowners call us because the terms are fixed before we ever pull a tool off the truck. Written price before any work starts, on every job, without exception. A written guarantee on every repair, for a full year, not a 30-day window. If the repair doesn’t hold, we come back at no charge. That’s the 365-Day Done Right Promise, and it applies to every service call in Quincy, from Germantown to Squantum.
Marco Benitez runs our crew, and he holds every tech to The Garrison Code: arrive inside the window, price in writing, do the job by the book, leave the site clean. Every technician is background-checked and uniformed, so you know who’s walking up the driveway before they knock. Homeowners in Quincy have told us that’s the part they remember, the showing-up and the straight answer. Not a callback window. Not a price that shifts at the door.
We service all nine major residential HVAC brands including Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. So if your Quincy system is a 2012 Goodman or a newer Daikin heat pump, the parts knowledge is already there. Our AC Repair team works on central air, heat pumps, and mini splits. Dispatch is coordinated from our Boston office, but the truck that pulls up in Quincy is stocked for the housing here.
Emergency AC Repair in Quincy
Emergency AC Repair in Quincy means a system that died during a heat wave and a house that won’t cool below the mid-80s by nightfall. We treat that as a genuine emergency, because an un-cooled house in a Quincy August is a health risk for older residents, infants, and anyone with respiratory issues. Calls are answered by a live person 24/7, and we get a tech to Quincy the same day in most cases, often within hours. The repair itself runs the same $150 – $650 as any other call; there’s no overtime surcharge for coming out on a Saturday in July. That’s The Garrison Standard.
Capacitor and Contactor Failures
When a condenser fan won’t spin or the compressor hums and clicks off, the usual suspects on older Quincy systems are a weak run capacitor or a pitted contactor. A capacitor test takes five minutes and catches the part before it kills the compressor. We write the price, replace the part, and you’re back to cooling.
Refrigerant Leak Diagnostics
Low refrigerant, which we call a refrigerant recharge, is topping off the cooling fluid your system needs to hit set temperature. But a system that’s low is leaking, and we find the leak rather than just topping it off every summer. In Quincy, we see this on systems installed before 2023 when R-410A pressures weren’t checked against actual duct performance the way SEER2 requires now.
AC Not Blowing Cold Air in Quincy
AC not blowing cold air in Quincy is the most common call we take once the temperature climbs over 85°F. The fix is often simple: a dead capacitor, a frozen evaporator coil, or a clogged condenser. Other times the compressor is failing and the honest answer is replacement. We’ll tell you which one it is, with the price in writing, before any work starts. If the unit is beyond saving, we’ll show you the numbers on repair cost versus a new install and let you decide.
Frozen Evaporator Coils in Older Homes
If there’s ice on the copper lines or a puddle under the air handler, the coil is frozen. In Quincy Point triple-deckers and pre-1900 homes, undersized return-air pathways mean the coil can’t get enough warm airflow across it, so it ices over. We don’t just thaw it. We measure static pressure and tell you what’s actually causing the freeze.
Closed Dampers and Blocked Returns
Sometimes the unit is fine and the house is fighting itself. A shut damper, a crushed return flex duct, or a filter that’s been in since winter chokes airflow and the system can’t move enough air to cool. We check the simple things first, because in Quincy a lot of these systems are running on original ductwork nobody’s ever measured.
Trusted Brands We Service in Quincy
We stock common parts for the brands most installed across Quincy’s housing stock. Goodman condensing units show up all over the 1980s colonials in West Quincy and the capes off Hancock Street. Rheem and York units are common in Houghs Neck and the newer condos near Quincy Center. Daikin shows up in mini splits and heat pump installs across the city. Because we service all nine major residential brands, a capacitor or contactor for your system is usually on the truck, not on order. That’s faster turnaround for Quincy customers, and less time sweating.
Common AC Repair Problems We See in Quincy Homes
- Weak run capacitors on older Carrier and Goodman condensing units. A five-minute test catches them before the compressor fails, but homeowners often wait until the unit is completely dead. In Quincy, a capacitor replacement runs $150 – $400 depending on the unit.
- Refrigerant charge drift on systems installed before 2023. R-410A pressures weren’t verified against realistic duct static pressure the way SEER2 now requires. That means a 2016 install in Wollaston can be running a half-pound low and nobody knows until it stops cooling on the hottest day of the year.
- Evaporator coil freezing in triple-deckers. Quincy Point and Germantown homes built before 1920 often have return-air pathways that were never sized for the tonnage of the equipment actually installed. The coil ices, the system stops cooling, and the fix is often airflow work, not refrigerant.
- Clogged condenser coils from coastal debris. Homes near Quincy Bay, Houghs Neck, and Squantum get salt air, cottonwood seed, and leaf litter packed into the outdoor unit. A rinse can bring the head pressure back down and extend the life of the compressor.
Pricing for AC Repair in Quincy, MA
A typical AC repair in Quincy runs $150 – $650. A diagnostic visit with a common repair like a capacitor or contactor usually lands between $150 and $400. A more involved repair, like a condenser fan motor or an evaporator coil repair, can reach $650. A full system replacement in Quincy runs $3,500 – $7,500 depending on the size and efficiency of the equipment. Here’s the breakdown:
| Service | Typical Cost in Quincy |
|---|---|
| AC Repair (diagnostic + common repair) | $150 – $650 |
| AC Tune-Up | $80 – $200 |
| Furnace Repair (if system shares air handler) | $150 – $700 |
| AC Installation (full system replacement) | $3500 – $7500 |
The price is in writing before any work starts. Always. Free estimates on new systems. Call (361) 306-9515 and you’ll get a straight answer, not a range that widens at the door.
We Also Serve Cities Near Quincy
Dalton Heating & Air covers AC Repair in Quincy and the surrounding South Shore. We also serve Milton, Hingham, Hull, and Holbrook, with the same written pricing and one-year repair guarantee. If you’re in one of those towns and your AC quits in August, call us at (361) 306-9515.
Serving Quincy, MA - Our Local Coverage Area
We’re based in the Quincy area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About AC Repair in Quincy
Usually a repair. A system blowing warm air most often has a failed capacitor, a refrigerant leak, or a frozen coil, and those run $150 – $650 to fix in Quincy. Replacement becomes the honest answer when the compressor has failed or the system is leaking refrigerant in multiple spots, especially on a unit past 12 – 15 years. We’ll give you the repair price and the replacement price in writing and let you decide. Call (361) 306-9515 for a diagnostic.
A load calculation, called a Manual J, measures your home’s actual cooling demand by square footage, window area, insulation, and orientation, instead of guessing by tonnage. In Quincy’s housing stock, the same 1,400 square feet might need 2 tons in a well-insulated West Quincy colonial or 3.5 tons in a pre-1900 Quincy Point triple-decker with original windows and no wall insulation. Getting this right before you replace a system changes efficiency, comfort, and what you pay. We run real load calculations, not rules of thumb.
A 16 SEER2 unit uses roughly 12 – 14% less electricity for the same cooling output than a 14 SEER2 unit. In Quincy, where air conditioning runs hard from June through September, that’s typically $80 – $150 a year in savings depending on your rate and usage. Over a 15-year equipment life, the higher-efficiency unit often pays back the upfront difference in seven to ten years. But if an undersized return duct in your triple-decker is choking airflow, the efficiency number on the box means nothing until that’s fixed. We measure first.
We repair both. We service Daikin, Mitsubishi, Fujitsu, and the other major mini split and heat pump brands installed across Quincy, including the ductless units common in Houghs Neck capes and the condos near Quincy Center. Heat pump repairs run the same $150 – $650 range as central AC. If you’ve got a mini split that’s not cooling, call (361) 306-9515.
Yes. A dead AC on a 90°F August day in Quincy is an emergency, and we answer calls with a live person 24/7, including weekends. We get a tech out the same day in most cases, and there’s no overtime charge. The repair is still priced in writing before work starts, and it’s still covered by the full-year written guarantee. If you’re sitting in a hot house in Quincy right now, call (361) 306-9515.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving Quincy, MA.







Before
After
Before
After
Before
After