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Find Air conditioning pros in North 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 North Chelmsford, MA and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

"My wife and I just had Joyce Cooling and Heating install duct work, air conditioning unit (Lennox) as well as a ductless mini split in our lower level. We received three bids for the project and selected Joyce for several reasons including, the salesman (Abe) that helped us and his level of responsiveness and consistent communication. We also liked the brands that Joyce partners with and installs - Lennox and Mitsubishi and from my research are the two best brands on the market. Our positive experience continued after we made the selection to hire Joyce for this large (4 day) project. They scheduled us in within days of making the decision and showed up early the first day (big bonus points in my book). The caliber of professionalism, courteousness, thoroughness and communication was present in every aspect of their work and across all of their employees. After each day they cleaned the work area and made sure it was left the way they found it. They completed the job earlier than expected and we are absolutely thrilled with the results. Each employee we interacted with at Joyce was polite, informative, friendly and knowledgeable. We have shared our positive experience with everyone we have spoken to about our recent home improvement and am a firm believer in voting with my dollars for businesses that deserve it and Joyce has won our vote. Keep up the great work guys! Well done Abe, Tyler, Harry & Bob!! Thank you!"
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"THE CREW"
Air Conditioners

+4

Response time1 day
11 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Druziako HVAC Inc
Druziako HVAC Inc
4.7(
157
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+6 more

Serving North Chelmsford, MA and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"I needed an air conditioning system installed in my daughter's home. I live out of town, so had to communicate long distance. Nick and his team were able to provide an estimate for the system, and it was substantially lower than others I received. Nick took the time to thoroughly explain why his was lower and why the system he was recommended was the most appropriate for the size of home we have. Work was scheduled, and the crew arrived on time and complete the job in 2+ days. They explained operation to my daughter, and provided complete instructions on maintenance. All in all, we had a very good experience with Druziako HVAC, and I wouldn't hesitate to use them again. Thank you, Nick!"
Aprilaire Dehumidifier
Attic Air Handler
Duct Cleaning before and After
Attic Ductwork
Aprilaire Humidifier

+3

Response time11 hrs
22 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Airco Home Comfort Services LLC
Airco Home Comfort Services LLC
4.7(
33
)
Central A/C - Service or RepairDuctless Mini-split A/C - Install or ReplaceWindow A/C Unit - Service or Relocate+11 more

Serving North 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!"
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+4

Response time2 days
3 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 North Chelmsford, MA and surrounding areas

Approved (Corporate)

In business since 1967

Free estimates

Emergency services offered

"I highly recommend Unique Indoor Comfort. My wife and I purchased a 1911 home 2 years ago. Closet space in these old homes is basically nonexistent, so I thought that central air conditioning was out of the question. I heard about high velocity air conditioners and contacted Unique Indoor Comfort. Jason C. was very knowledgeable and patient as I asked all of our questions. We decided to go with a two zone Unico system. Steve, Jason and crew exceeded our expectations. They were prompt, courteous and did what was necessary to meet the time estimate for the installation. They also cleaned up before leaving each day, leaving the house in the same condition as when they arrived. The system was installed around the 4th of July and the heat wave we experienced allowed the system to be fully stress tested, which it passed with flying colors."
Heat Pump
Mitsubishi Hyper Heat
Multiple Ductless Heat Pump Installation
Additional Photos
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+6

Response time1 day
Response rate100%
8 neighbors recently requested a quote
Avatar for Sila Heating, Cooling, Plumbing and Electrical
Sila Heating, Cooling, Plumbing and Electrical
4.5(
5,399
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair+12 more

Serving North Chelmsford, MA and surrounding areas

Approved (Corporate)

In business since 1989

Free estimates

Emergency services offered

"We are overall very happy with the project. Sila had to install a high velocity air conditioning system in very limited space. They provided a timely quote and showed up and did the work professionally and on time. There were a few hiccups, such as the installation of the hatch to the attic space, but Sila’s carpenter agreed to fix the problem at no additional cost to us, so I consider that to be excellent service. After two weeks, the system has been performing exactly as we hoped."
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+6

Response time2 days
Response rate100%
50 neighbors recently requested a quote
Avatar for Dodge Cooling & Heating, Inc.
Dodge Cooling & Heating, Inc.
4.9(
51
)
Central A/C - Service or Repair

Serving North Chelmsford, MA and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"I recently had Dodge Cooling and Heating install a new central AC and heating system in my house. They came out the day I called for an estimate and were honest and upfront from the start. Wonderful service, great communication throughout the process, and fair pricing. HIGHLY RECOMMENDED, THANK YOU!"
Duct Cleaning
Duct Work
Duct Work
Dryer Vent Cleaning
Dryer Vent

+4

Response time11 hrs
2 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 North Chelmsford, MA and surrounding areas

Approved

In business since 1981

Free estimates

Emergency services offered

"After meeting with several plumbers to collect estimates on replacing our gas fired boiler and hot water tank we decided to hire J.Griffin Heating and Plumbing. We found his estimate to be in line with others received, but valued his honest opinion and recommendations. He completed our project on time and on budget and left our house in excellent condition. He was easy to communicate with and was very responsive, which it’s not always the case contractors. I would highly recommend J Griffin heating and plumbing."
Navien
Medford Ma
Malden Ma
Saugus Ma
Andover Ma

+64

Response time11 hrs
4 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Kilpatrick HVAC
Kilpatrick HVAC
4.9(
14
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving North Chelmsford, MA and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"The team at Kilpatrick HVAC was extremely friendly, professional, and courteous and above all, they had the best pricing. They showed up on time, did a great job. My new air conditioner is running so well. I would highly recommend Kilpatrick HVAC, to anyone needing professional installation."
5 neighbors recently requested a quote
Recommended by64%of homeowners
Avatar for ENDLESS ENERGY NEW ENGLAND, INC.
ENDLESS ENERGY NEW ENGLAND, INC.
4.7(
20
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+4 more

Serving North 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
191 neighbors recently requested a quote
Recommended by70%of homeowners
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FAQs for air conditioning projects in North 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 North 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.