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Find Central a/c service or repairers in Lowell

Avatar for Druziako HVAC Inc
Druziako HVAC Inc
4.7(
157
)
Central A/C - Service or Repair

Serving Lowell, MA and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"I got central air installed in my 100+ year old house that I was convinced could never actually have central air. Despite the weird shape of the house and not a lot of extra space to work with, Druziako figured out a way to get it installed. They was fantastic from the initial estimate appointment through finishing installation. Everyone is extremely friendly and you can tell it is a family owned business. The price was extremely reasonable and everything got done quickly. It took a couple of extra days beyond the original plan but that was only to make sure it all got done correctly and to figure out how to work out a few problems (again with the old house). Great communication including after the fact to help us get rebates and warranties set up. 100% recommend."
Aprilaire Dehumidifier
Attic Air Handler
Duct Cleaning before and After
Attic Ductwork
Aprilaire Humidifier

+3

Response time11 hrs
21 neighbors recently requested a quote
Recommended by95%of homeowners
Chambers Heating & A.C. Service
4.5(
51
)
Central A/C - Service or Repair

Serving Lowell, MA and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"I called Chambers and spoke with Kevin. He came out to my house the same day and diagnose my central air system as low on refrigerant. My system is twenty years old and has never been serviced. Kevin check out the system and based on the service history recommended that I recharge the system and monitor it over the summer. Kevin was honest with me and he wasn’t looking for the big pay day. I believe this is what every home owner wants when they hire a professional. Thanks Kevin!"
93% High Efficiency Gas Furnace with AC
Baseboard Zone on a Steam Boiler
Supply Header with Circulators
Before Pic w/zone valves & Loose Wiring
Gas Fired tankless water heater

+6

1 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Sila Heating, Cooling, Plumbing and Electrical
Sila Heating, Cooling, Plumbing and Electrical
4.5(
5,399
)
Central A/C - Service or Repair

Serving Lowell, MA and surrounding areas

Approved (Corporate)

In business since 1989

Free estimates

Emergency services offered

"Terrific experience. Scheduling was easy. My technician, Guy, gave me a call ahead of time, hit the time he said he'd be here and was courteous and efficient. I ran a large mechanical contracting business for years so understand this business. Guy ran through his checks on what is a fairly complex home system. He pointed out problems that were minor, major, or had the potential to be major. We discussed options and timing. Since our system is old, it will be difficult to repair some of the parts and pieces while others would be fairly standard. We may want to look at a new system this summer to avoid a major problem during a future heating season. I will definitely be talking to Sila."
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+6

Response time2 days
Response rate100%
41 neighbors recently requested a quote
Avatar for Airco Home Comfort Services LLC
Airco Home Comfort Services LLC
4.7(
33
)
Central A/C - Service or Repair

Serving Lowell, MA and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"Joe explained various options (models, efficiency rating, attic vs. cellar installation, etc.) thoroughly, promptly followed through on my follow-up questions, and prepared a detailed & accurate quote. He measured the size of the house and cold-air returns to ensure the system was sized properly. He is a patient guy & very pleasant to work with. Scheduling the installation was painless, the installers (Steve and his assistant Derek) started on time, and worked diligently & efficiently.
Everyone is very experienced and knowledgeable, and all clearly take pride in their work. They kept in excellent communication with me throughout the installation. They were respectful of my home, my concerns, my pets, etc.
They stand by what they sell, too. This winter, about 18 months after it was installed, my tankless hot water heater had a factory defect that caused it to shut off. Steve came the day I reported the problem, was on the phone with the manufacturer for hours to diagnose the issue, and came back twice more to finish the repair (3 visits might sound absurd, but it wasn't Airco's problem, it was the manufacturer's, as they were misdiagnosing the issue). The unit is now working perfectly thanks to Steve's persistence. A bonus: Airco charged me for only a small portion of Steve's time from his initial visit. They ate the cost of his additional visits! These guys are golden.
"
Additional Photos
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+4

Response time2 days
2 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Milltown Plumbing, Heating, AC, Drain Cleaning & Electrical
Milltown Plumbing, Heating, AC, Drain Cleaning & Electrical
4.4(
200
)
Central A/C - Service or Repair

Serving Lowell, MA and surrounding areas

Approved

In business since 1979

Credit card accepted

Customers say: Super punctual

"Overall, I was pleased about working with Milltown. There was a slight communication issue, but I understand that can happen from time to time. The technician who performed the service was extremely nice and knowledgable."
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17 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Precision Plumbing & HVAC, LLC
Precision Plumbing & HVAC, LLC
5.0(
23
)
Central A/C - Service or Repair

Serving Lowell, MA and surrounding areas

Approved

In business since 2010

Credit card accepted

Customers say: Quick response

"Marcin was very professional and attentive. He was great at communicating and was very quick to respond. They removed an old hot water tank and installed the new tankless system. I would highly recommend his services. Looking forward to working with them again in the future!"
Response time2 hrs
Recommended by100%of homeowners
Avatar for Emerald HVAC LLC
Emerald HVAC LLC
5.0(
15
)
Central A/C - Service or Repair

Serving Lowell, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Small jobs welcome

"My central AC unit has been broken for several years. intermittently working during hot summers. I've had several HVAC companies come to diagnose and all of them told me different things: replace the whole system, new lines, etc. potentially costing tens of thousands of dollars. So I decided to troubleshoot by myself and pinpointed the issue: the filter dryer needed to be replaced. No company wanted to do this small job. I called Emerald HVAC and told them about my issue, they sent in José, who diagnosed the issue to be what I said. He replaced the filter dryer and the AC unit works perfectly now after several years! In short, Emerald HVAC will be my first choice for any HVAC work in the future. They are honest, professional, and reasonably priced. I recommend them without reservation!"
Response time1 day
Response rate93%
30 neighbors recently requested a quote
Avatar for Ace Hardware Home Services
Ace Hardware Home Services
4.5(
53
)
Central A/C - Service or Repair

Serving Lowell, MA and surrounding areas

Approved (Corporate)

In business since 1967

Free estimates

Emergency services offered

"Diagnosis and repair were straightforward and the talented Mike, who has done other great work for us on our ACs, had a replacement pump in his truck. Swapped over in under an hour. Cost of the repair was quite high, mainly due to very high price they charged for the pump. A Taco pump that I could buy for $175 was priced on this repair at more than $500. I get that it was an urgent situation and I’m happy to pay reasonably for the response but that mark-up bothered me. I called the office, had a long talk with the owner; sadly, she offered no consideration at all. Yes, it’s hard to find and keep skilled techs, but now seems that most HVAC firms have a business model like a car dealer’s service dept, far more corporate, less flexible or customer-considerate."
Heat Pump
Mitsubishi Hyper Heat
Multiple Ductless Heat Pump Installation
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+6

Response time1 day
Response rate100%
8 neighbors recently requested a quote
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FAQs for central a/c service or repair projects in Lowell, MA

Coils work to absorb heat into the refrigerant that flows through them, moving heat from one location to another. For air conditioning, the evaporator coil inside the air handler in your home absorbs heat. It then transfers the heat outside to the condenser coil, where it releases it. The opposite process happens for heat pumps. When the coils get dusty and dirty, it reduces how well these components work.

Skip regular cleanings, and dirt, debris, and mineral deposits will blanket your evaporator and condenser coils. When that happens, the coils can’t shed heat efficiently, so the system works harder and your energy bill climbs. Over time, overheating strains the compressor and can trigger a full breakdown—an avoidable repair that often costs far more than a simple annual cleaning.

AC coil cleaning is an investment that pays for itself in the benefits it provides. Dust‑caked coils force your AC to run longer, so you spend more on electricity and rack up extra wear. A quick professional cleaning restores efficiency, trims monthly bills, and eases strain on expensive parts. Over the long haul, that small yearly fee delays pricy repairs and stretches the unit’s lifespan, making coil cleaning one of the smartest HVAC tune‑ups you can schedule.

Watch for higher electric bills, rooms that stay warm no matter how low you set the thermostat, or an AC system that runs nonstop. Extra humidity and frost on the coils are also red flags. Catching these clues early lets you schedule a quick cleaning before the system overworks itself and triggers an expensive breakdown.

Your AC cleaning technician starts by shutting off the power to the unit and removing the faceplate. Compressed air and a vacuum hose blast away loose debris, followed by a coil-safe, no-rinse cleaner that dissolves stubborn grime. After the solution has soaked in, the professional wipes the fins, reassembles the housing, and restores power, leaving the system ready to cool at peak efficiency.

The Lowell, MA homeowners’ guide to central a/c service or repairs

From average costs to expert advice, get all the answers you need to get your job done.