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Find Air conditioning pros in East Dennis

Avatar for ARS - Boston
ARS - Boston
4.3(
365
)
Central A/C - Service or RepairCentral A/C - InstallCentral Humidifier - Repair or Service+3 more

Serving East Dennis, MA and surrounding areas

Approved (Corporate)

In business since 1984

Free estimates

Emergency services offered

"Quick and efficient work done by Angel Ortiz. He explained the issue and all the work that needed to be done. Definitely recommend ARS for all your heating & air conditioning needs."
HVAC System 1
HVAC System 3
HVAC System 4
HVAC System 5
HVAC System 6

+10

194 neighbors recently requested a quote
Recommended by71%of homeowners
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Avatar for Braga Bros, Inc.
Braga Bros, Inc.
5.0(
8
)
Central A/C - InstallCentral Humidifier - Install or ReplaceDuctless Mini-split A/C - Install or Replace

Serving East Dennis, MA and surrounding areas

Approved

Super Service Award Winner

In business since 1996

Free estimates

Emergency services offered

"Braga Brothers provided exceptional service during my gas furnace installation. The team was punctual and efficient, completing the job with confidence and professionalism. They took care to protect my home and explained the system thoroughly, ensuring I understand the new system. I highly recommend Braga Brothers for anyone in need of HVAC services."
High efficiency System
High Efficiency Hvac Syst
Central Hvac in the Basem
Central HVAC System
Rooftop

+16

Response time5 hrs
Response rate99%
2 neighbors recently requested a quote
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Avatar for Hoctor Built Homes and Property Management
Hoctor Built Homes and Property Management
4.2(
109
)
Ductless Mini-split A/C - Install or Replace

Serving East Dennis, MA and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

"Very efficient and friendly. We would definitely have them do any other needed projects for us."
Response time2 days
Response rate85%
20 neighbors recently requested a quote
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Avatar for SRC Heating & Cooling Services, Inc.
SRC Heating & Cooling Services, Inc.
4.4(
16
)
Central A/C - Service or RepairCentral Air Cleaner - Repair or ServiceCentral Humidifier - Repair or Service

Serving East Dennis, MA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Good Service, on time, reasonably priced, professional."
Response time12 hrs
Response rate90%
16 neighbors recently requested a quote
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Avatar for Dempsey Energy
Dempsey Energy
3.8(
17
)
Central A/C - InstallCentral A/C - Service or Repair

Serving East Dennis, MA and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"It went phenomenal. It was the best experience I have ever had with someone coming to my house to service it. He was very pleasant and joked with me which helped my anxiety level. I would absolutely hire them again. It was a very pleasant experience,the price was right and they were very prompt."
Gallery
Gallery
17 neighbors recently requested a quote
Recommended by41%of homeowners
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Avatar for Paul Foley Electric Co., Inc.
Paul Foley Electric Co., Inc.
4.8(
99
)
Ductless Mini-split A/C - Install or Replace

Serving East Dennis, MA and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"Paul was very thorough in reviewing his proposal and his reasons for choosing the installation plan. He was accommodating with regard to our work scheduling needs. His installation crew was efficient and professional and restored our property to pre-installation condition."
Auto Transfer Switch
Connection to propane tanks
Housekeeping pad
Trenching
Custom Poured Pad

+13

Response time12 hrs
13 neighbors recently requested a quote
Recommended by85%of homeowners
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Avatar for Bay Point Heating & Cooling
Bay Point Heating & Cooling
5.0(
1
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving East Dennis, MA and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

Family owned business with over 12 years of experience handling all your Heating & AC needs for residential and commercial. Master certified HVAC.

5 neighbors recently requested a quote
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Avatar for Craig Dias
Craig Dias
5.0(
5
)
Window A/C Unit - Service or Relocate

Serving East Dennis, MA and surrounding areas

Approved

"Craig was great to work with\! He was punctual, reliable, honest, and really knew what he was doing\. He got everything done quickly and did a great job\. I also really appreciated how easy he was to communicate with and how dependable he was throughout the whole process\. It’s not always easy to find someone you can trust to work in your home, but I would definitely recommend Craig\. I’ll absolutely be calling him again for my next project\!"
Chimney cap
Red copper Bay Window
Standing Seam Copper Roof
Faucet Replacement
Faucet Replacement

+1

18 neighbors recently requested a quote
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FAQs for air conditioning projects in East Dennis, 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 East Dennis, MA homeowners’ guide to air conditioning services

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

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