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Find Air conditioning pros in Chelmsford

Avatar for JOYCE COOLING & HEATING INC
JOYCE COOLING & HEATING INC
4.8(
206
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Chelmsford, MA and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

"Joyce Cooling and Heating installed a new high-efficiency Lennox furnace and air conditioner. The installation looks great and was professionally completed. The furnace is working fantastic and is so quiet we can't even hear it running. We are warm and comfortable all the time and the new high-efficiency design should save us money for many years to come. The technicians answered all of my numerous questions."
Additional Photos
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"THE CREW"
Air Conditioners

+4

Response time1 day
16 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Airco Home Comfort Services LLC
Airco Home Comfort Services LLC
4.7(
33
)
Central A/C - Install - For BusinessCentral A/C - Service or RepairCentral A/C - Service or Repair - For Business+11 more

Serving Chelmsford, MA and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"I whole heartedly recommend Airco. Their team was experienced, skillful, friendly and professional throughout the duration of this job, from Joe's first visit to my home to discuss air conditioning options to Derek and Cam's final touches on the duct system. I had complete confidence in them, as well as in Steve, Danny, Frank and Patrick. Additionally, Airco's connections to MassSave and Commerce Bank meant financing and payment options to suit my budget. No more hauling loud and heavy window a.c. units up from the basement. Instead, I am enjoying consistent cooling throughout my home with no noise whatsoever. I am a very happy customer!"
Additional Photos
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+4

Response time2 days
1 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Ace Hardware Home Services
Ace Hardware Home Services
4.5(
53
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Chelmsford, MA and surrounding areas

Approved (Corporate)

In business since 1967

Free estimates

Emergency services offered

"Our daughter and her husband are living out of the country, temporarily. When their leasees said the furnace was blowing cold air, we wanted the repair done quickly and at a good price. Unique Indoor Comfort Heating & Cooling responded right away and came to the property the same day we called. Very professional!"
Heat Pump
Mitsubishi Hyper Heat
Multiple Ductless Heat Pump Installation
Additional Photos
Additional Photos

+6

Response time1 day
Response rate100%
4 neighbors recently requested a quote
Avatar for Druziako HVAC Inc
Druziako HVAC Inc
4.7(
157
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral Air Cleaner - Install or Replace+1 more

Serving Chelmsford, MA and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"I’ve been a satisfied customer of Druziakos HVAC for 17 years, so when I found out I needed my gas furnace and central air replaced I didn’t look to anyone else. Everyone in the office was very helpful with the Mass Save program and process. They also submitted my rebate applications and helped with the warranty info. The work was done when scheduled and very quickly. The technicians were polite and answered all my questions."
Aprilaire Dehumidifier
Attic Air Handler
Duct Cleaning before and After
Attic Ductwork
Aprilaire Humidifier

+3

Response time11 hrs
14 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Dodge Cooling & Heating, Inc.
Dodge Cooling & Heating, Inc.
4.9(
51
)
Central A/C - Service or Repair

Serving Chelmsford, MA and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"I would highly recommend Dodge Cooling and Heating. They did a Spring tune up on my central air conditioning system and were extremely responsive, prompt, professional and knowledgeable. I will definitely use them for any future heating and A/C needs that I may have."
Duct Cleaning
Duct Work
Duct Work
Dryer Vent Cleaning
Dryer Vent

+4

Response time11 hrs
1 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for J.Griffin Heating & Plumbing
J.Griffin Heating & Plumbing
4.9(
266
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Chelmsford, MA and surrounding areas

Approved

In business since 1981

Free estimates

Emergency services offered

"Great guy, very knowledgeable and delivers what he promises. I wanted to replace three boilers that showed severe carbon build-up on the units. Jeff explained the carbon build-up was do to lack of make up air being delivered to the space. Even through I had duct work bringing fresh air into the space it was not sufficient. Jeff recommended high-efficiency combo heater / water units with direct vents and introduced me to MassSave for 0% loan and rebates for each unit. I had a difficult situation with a multi-family home trying to replace three boilers and three water heaters simultaneously with cold weather starting to settle in and occupied units. Obviously I didn't want to leave my tenants without heat or hot water. Jeff formulated a plan that would minimize the down time I would be without both, he work diligently to execute that plan and he delivered as promised. In addition he was extremely helpful coordinating with National Grid to ensure they did their part and didn't cause any delays. If your looking for a heating contractor with integrity, is knowledgeable, listens to your concerns, explains what he's doing and why, and delivers on his promises, look no further than Jeff Griffin."
Navien
Medford Ma
Malden Ma
Saugus Ma
Andover Ma

+64

Response time11 hrs
2 neighbors recently requested a quote
Recommended by98%of homeowners
Chambers Heating & A.C. Service
4.5(
51
)
Central A/C - Service or RepairCentral Air Cleaner - Repair or ServiceCentral Humidifier - Repair or Service

Serving Chelmsford, 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 ENDLESS ENERGY NEW ENGLAND, INC.
ENDLESS ENERGY NEW ENGLAND, INC.
4.7(
20
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair+4 more

Serving Chelmsford, MA and surrounding areas

Approved

In business since 1980

Free estimates

Emergency services offered

Endless Energy is a trusted local HVAC and Plumbing Company servicing the majority of the state of Massachusetts with office in Marlborough, Needham, and Randolph. Specializing in Heat Pumps, Central AC, Furnaces, and Boilers, we have Master Plumbers, Electricians, and HVAC Technicians all under one roof reducing your need to find multiple contractors! We are also a Mass Save partner and can conduct your no cost Mass Save Home Energy Assessment and install any recommended insulation.\n\nWe can help you with: \n*Heating Repairs, Installation, & Service\n*AC Repairs, Installation, & Service\n*Plumbing Repairs, Installation & Service\n*Water Heater Replacement & Service\n*Indoor Air Quality Solutions\n*Ductwork & Line Set Solutions\n*Electrical Panel Upgrades and Replacement\n*Insulation \n*No Cost Home Energy Assessments\n\nA Mass Save certified contractor with an A+BBB rating. All of our skilled technicians undergo an extensive background and drug screening prior to being hired to our team!

Holliston Heat Pump
Boston Heat Pump
Natick Ducted System
227 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for Rodenhiser Home Services, Inc.
Rodenhiser Home Services, Inc.
3.9(
379
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Chelmsford, MA and surrounding areas

Approved (Corporate)

In business since 1928

Free estimates

Emergency services offered

"We selected Rodenheiser to install a 5 head Mitsubishi air/heat/fan system. The crew was nothing short of amazing. Dylan the crew leader was knowledgeable, respectful, thorough, and terrific. You can actually feel and see the teamwork as the job progressed. The installed carpets at the front door to clean boots, all wore masks and distanced, cleaned up after themselves, and more! We could not be happier with the install team. Also had a great experience with Ross who came out, specd the system, managed the quote, and oversaw all details. Amazing. These guys are PROS! The difference in how they approached the system design and had all the details worked out; made the other folks we talked to look like beginners. These guys have dedicated teams that install MITS and are the largest (and best I think) in that business. If you are thinking about doing a MITS Splits system, talk to Rodenheiser. btw: our house is an old house and MITS fit in great!"
Response time1 day
56 neighbors recently requested a quote
Recommended by90%of homeowners
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FAQs for air conditioning projects in Chelmsford, MA

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The Chelmsford, MA homeowners’ guide to air conditioning services

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