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Top-Rated Air conditioning pros in Dighton - Updated Nov 2026

Rick Maloney Heating & Cooling
4.7(
124
)
Central A/C - Service or Repair

Serving Dighton, MA and surrounding areas

Approved

In business since 1999

Free estimates

Customers say: Quick response

"Review by Claudette L. in Fall River, MA Project: Removed Whirlpool central A/C & Installed Concord central air conditioning condenser. Rick was excellent, pleasant, skilled & responded quickly after my initial request. He was very proficient, addressed all of my questions & concerns. He also managed to schedule my work quickly to complete the job & be sure that my new A/C was working properly before his departure. He was also reasonable with his original quote for his services & did not change this price upon completion. I will absolutely call Rick for any future heating or air conditioning issues. & would highly recommend Rick Maloney heating & cooling to friends & family."
Response time4 hrs
3 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for CMA Heating & Air
CMA Heating & Air
4.9(
40
)
Ductless Mini-split A/C - Install or Replace

Serving Dighton, MA and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"We had a central air conditioning unit replaced. Chris was quick to respond via text message. He arrived exactly at the time he said he would, completed the job in less time than expected, ensured the unit was functioning properly before he left. He additionally offered tips and tricks for yearly maintenance on the unit. He was friendly, courteous, and reliable. We would definitely recommend him in the future."
Response time9 hrs
4 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Majic Air, Inc.
Majic Air, Inc.
4.1(
86
)
Ductless Mini-split A/C - Install or ReplaceCentral A/C - InstallCentral A/C - Install - For Business+1 more

Serving Dighton, MA and surrounding areas

Approved

In business since 1983

Free estimates

Warranties offered

"Majic Air did a great job of listening to our desires. We wanted to install central air conditioning in our two story home. We did not want ductless wall units. Shawn, the salesman, was able to come up with a plan that combined traditional ducted AC for the first floor of our home with ductless ceiling cassettes for the second floor of our home, completed with one wall unit for our finished third floor office. We have the air conditioning we wanted and the look we desired. The installers were professional, hard-working, and incredibly neat - leaving us with a tidy home each day. This was a complex job, and Majic Air got it done."
Home Show
Home Show
Home Show
Home Show
Home Show

+23

Response time5 hrs
4 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Venture Mechanical
Venture Mechanical
5.0(
18
)
Central A/C - InstallCentral Humidifier - Install or ReplaceDuctless Mini-split A/C - Install or Replace

Serving Dighton, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Dylan is very reliable and knowledgeable. He has provided plumbing services many times for us and I wouldn't use anyone but him. The service is exceptional and pricing is extremely fair. I highly recommend Venture Mechanical for any plumbing, heating, or air conditioning needs that you may have."
Steam Boiler Install
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+27

Response time2 days
Response rate100%
4 neighbors recently requested a quote
Avatar for MTS Mechanical
MTS Mechanical
4.9(
180
)
Central A/C - Service or Repair

Serving Dighton, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Warranties offered

"This was the best service with 2 highly qualified gentlemen. They were both knowlegable and friendly. They arrived 20 minutes after the initial call which was at the end of their day. They could have gone home for the day like the bigger companies did but instead they stopped on their way home and serviced my central air condition system in the middle of a heat wave. Unlike the other companies that I called who couldn't respond for 3 to 5 days even after I explained I had an infant to keep cool. If you're looking for a reliable company MTS is where you should shop"
Weil-Mclain Install
Weil-Mclain Install
Weil-Mclain Install
Weil-Mclain Install
Weil-Mclain Install

+50

Response time4 hrs
37 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for BK Appliances
BK Appliances
4.4(
811
)
Central A/C - Service or Repair

Serving Dighton, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Emergency services offered

Customers say: Quick response

"I called BK and I sent Bernard my information via text. He came the next day prepared with my part. Replaced my pump in my 20 plus year-old washer. He was very knowledgeable and friendly. Got the job done!! Glad to have a local person for appliance repairs."
Response time5 hrs
Response rate100%
Recommended by94%of homeowners
Avatar for Cotti Johnson HVAC, Inc.
Cotti Johnson HVAC, Inc.
4.3(
63
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Dighton, MA and surrounding areas

Approved

In business since 1944

Free estimates

Emergency services offered

"My electrician from Cotti-Johnson HVAC was a master electrician. If you get him, you are getting the best. I went with the most expensive work package of the 3 that were presented. First off, it was pricey. I knew that going in. I want Cotti-Johnson to understand that I am serious about a working relationship with them. I feel I have done that with their electrical department. Now, if I need their plumbing or HVAC service, our relationship can build off the first experience."
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation

+56

Response time9 hrs
Response rate97%
94 neighbors recently requested a quote
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FAQs for air conditioning projects in Dighton, 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 Dighton, MA homeowners’ guide to air conditioning services

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