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AC units after being repaired by a local pro

5 Best AC Repair Services in Leominster, MA

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Written By Max Peterson|Last Updated: May 18, 2024

Technical issues can be a stressful situation for residents who need an air conditioner (AC) repair in Leominster, especially in the summer when keeping cool is essential. Whether you need routine maintenance, emergency repairs, or total AC replacement, we'll highlight the best AC repair in Leominster so you can get your home back to a comfortable temperature quickly.

Top AC Repair Companies in Leominster, MA

Precision Heating & Cooling Logo

Precision Heating & Cooling

Based on 676 customer reviews.

Services Offered

Ac RepairAc InstallationFurnace RepairIndoor Air QualityDuctlessMaintenanceFurnace InstallationBoiler Installation


  • Clear pricing policy
  • Informative resources
5 Goddard Rd, Northborough, MA 508-203-6951 phcprecision.com
Acton Refrigeration Inc Logo

Acton Refrigeration

Based on 28 customer reviews.

Services Offered

Ac InstallationDuctlessAc RepairFurnace InstallationIndoor Air QualityEmergency ServicesMaintenanceInspection


  • Clear pricing policy
  • Prompt service delivery
  • Reliable customer support
241 Taylor St, Littleton, MA 800-859-5409 actonrefrigeration.com
Premier Heating and Cooling Logo

Premier Heating and Cooling

Based on 67 customer reviews.

Services Offered

Furnace InstallationAc InstallationDuctlessAc RepairMaintenanceEmergency ServicesIndoor Air Quality


  • Reliable customer support
  • Informative resources
  • Clear pricing policy
255 Park Ave #1000, Worcester, MA 508-556-0968 premierhvaccompany.com
Pinnacle HVAC Logo

Pinnacle HVAC

Based on 22 customer reviews.

Services Offered

Ac RepairFurnace RepairIndoor Air QualityFurnace InstallationDuctlessMaintenanceEmergency ServicesBoiler InstallationBoiler RepairAc InstallationFiltration


  • Informative resources
  • Reliable customer support
  • Free quote
289 Great Rd Suite 7, Acton, MA 781-647-7117 pinnaclehvac.com

More Local Hvac Companies

Lamco Systems Inc

User Reviews: 4.5/5 

4 Cummings Rd
Tyngsborough, MA 01879

Village HVAC

User Reviews: 4.5/5 

9B Kidder Rd
Chelmsford, MA 01824

B&B Mechanical Services Inc

User Reviews: 4.5/5 

24 Westech Dr
Tyngsborough, MA 01879

Joyce Cooling & Heating Inc.

User Reviews: 5/5 

51 Lake St
Nashua, NH 03060

Sanford Temperature Control

User Reviews: 5/5 

96 Old Wilton Rd #1
Milford, NH 03055

R J McDonald Inc.

User Reviews: 4.2/5 

71 Worcester Rd
Barre, MA 01005

Advanced Energy Concepts

User Reviews: 4.6/5 

151 Southbridge St
Auburn, MA 01501


User Reviews: 4.6/5 

14 Robert Ave
Auburn, MA 01501

Ferris Plumbing, Heating & Cooling

User Reviews: 4.7/5 

440 Boston Post Rd
Amherst, NH 03031

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

AC units after being repaired by a local pro

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Facts about Leominster
Average Max Temp Percentile:26.8%
August Average Max Temp:76.5°F
Climate Zone:Cold
Average Energy Cost:$0.25/kWh
Median Year Houses Built:1958
Average Heat Waves per Year:0.22

Expert Tips By

This Old House empowers homeowners with the knowledge and tools they need to tackle various projects and navigate the complexities of homeownership.

Common Types of Air Conditioners

By understanding which type of air conditionermodel you have, you'll feel more empowered in your contractor search. Leominster HVAC technicians have experience with different AC makes and models, and they can adapt their skills to your needs.

  • Central AC: These are the most common residential AC systems, offering precise, consistent temperature control. They feature a central unit that cools and purifies outside air and sends it through ducts to various rooms in your home.
  • Window ACs: Window air conditioners are a popular choice for Leominster condos, apartments, and townhomes. These compact, affordable units are designed for cooling small spaces and single rooms, and they fit snugly in a window frame or dedicated wall slot. Many window AC users install their units without professional assistance, though technicians can still help with maintenance and repairs.
  • Portable air conditioners: As the name implies, portable air conditioner systems don't require permanent installation or ductwork. Instead, they remove hot air through an exhaust hose connected to a window or nearby vent. They're popular for apartments, condos, or individual rooms.
  • Ductless mini-split: Ductless mini-split ACs have an exterior unit and one or more indoor units, with no ductwork required. They offer individual room temperature control, flexible installation options, and higher energy efficiency.
  • Split ACs: Split AC systems have two main elements: one inside and one outside. They provide silent operation, enhanced efficiency, ductwork options, and more cooling capability versus mini-splits.

How to Choose Your Leominster AC Repair Service

You likely want a quick solution for your air conditioner's problem. However, before recruiting a repair company, it's important to do careful research to ensure it's the best for your home. Here are a few essential steps to follow.

Confirm the Company Is Properly Licensed and Insured

The Massachusetts Office of Public Safety and Inspections issues Refrigeration Technician licenses to crew members and Refrigeration Contractor licenses to business owners. Each crew member must meet specific hour requirements for training and practical experience. They must also carry a high school diploma/GED and Universal CFC certification to apply.

You should also check a company has sufficient liability coverage, even if your state doesn't require it. Choosing an insured company will protect you if accidents happen during work.

Read Customer Reviews

Check customer reviews on the Better Business Bureau (BBB) website for each company you're interested in. The BBB recognizes contractors that handle complaints professionally and honor their warranties.

It's common for even the best AC repair businesses to have both positive and negative reviews. Read each one carefully, and avoid a business if most reviewers had subpar experiences.

Compare Estimates

Obtain at least three detailed, written estimates from different providers for the best price. A good estimate should include additional fees such as permitting costs. You should also ask about the emergency repair process, installer guarantees, and manufacturer warranties.

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Frequently Asked Questions About AC Repair in Leominster

What's the cost of an AC repair job in Leominster?

Your AC unit repair costs will hinge on your system's make and model and the malfunctioning part. A basic repair job like sorting out a thermostat might cost $150–$250, whereas a more intricate fix like replacing the compressor will be more expensive.

See the average costs for common AC repairs below.

Common RepairAverage Cost
Clogged air filter$64–$170
Electrical circuits$200–$250
Drainage problems$100–$150
Refrigerant leak$400–$1500
Frozen condenser coils$1,271–$3,814
Fan or air blower issues$150–$200
Compressor replacement$600–$1,610

What are some signs that I should call an HVAC repair company?

Here are several of the most frequent AC issues you might face: It's best to contact a professional HVAC technician if you encounter any of these problems.

Why is my AC running but not cooling?

If your AC is running but not cooling, a clogged condenser coil could be the culprit. Normally, the AC’s condenser fan pulls air into the outdoor unit through the condenser coil to extract heat energy from your home. A technician can help by clearing the clog or replacing a damaged coil.

Is hiring an HVAC company better than doing the repair on my own?

You can most likely set up a window AC unit without professional help. However, installing other AC units should almost always be done by an HVAC contractor who knows the complex tubing, wiring and piping. We also advise seeking professional installation due to the risk of refrigerant spills.

What industry certifications should I look for when researching Leominster AC repair companies?

Private accreditations aren't always necessary, but companies that seek them are typically more trustworthy. The two largest HVAC trade bodies that issue certifications are the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) and Air Conditioning Contractors of America (ACCA).

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.