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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

481 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%
1 neighbors recently requested a quote
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Avatar for Paul Foley Electric Co., Inc.
Paul Foley Electric Co., Inc.
4.7(
79
)
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

At Premier Energy Solutions, your comfort and safety come first. We protect your home or business with turnkey, worry-free generator installations, HVAC systems, and electrical work — all backed by unmatched reliability and value.\n\nEvery project is handled by licensed professionals using top installation practices. From backup power to heating and cooling to electrical upgrades, we make it seamless, professional, and built to last.\n\nSince 1992, Premier Energy Solutions has grown from a licensed electrical contractor into a full-service power, comfort, and safety provider. We deliver a complete, turnkey experience — design, permitting, installation, testing, and support.\nGenerators. HVAC. Electrical. One trusted team.

26 neighbors recently requested a quote
Recommended by91%of homeowners
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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%
31 neighbors recently requested a quote
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Michael Faria Plumbing
5.0(
57
)
Central A/C - Service or Repair

Serving East Dennis, MA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"I retained this wonderful pro to install the plumbing in our new outdoor shower. He was prompt, efficient, well-organized and his workmanship was of the utmost quality. His understanding of the requirements of the project was clear and precise and the work was completed in a timely manner. Cleanliness was also a strong point. He always responded in a timely manner to my inquiries and was very flexible in scheduling the work, especially in making adjustments based on forecast weather conditions. I very highly recommend this contractor for any plumbing work you may need to have performed. Thank you, Michael!"
Response time4 hrs
4 neighbors recently requested a quote
Recommended by92%of homeowners
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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 Humidifier - Repair or ServiceCentral Air Cleaner - 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%
20 neighbors recently requested a quote
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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.

3 neighbors recently requested a quote
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Avatar for Monomoy Mechanical, LLC
Monomoy Mechanical, LLC
5.0(
1
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving East Dennis, MA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Service was completed in a cost effective and timely manner. The communication, estimate, and finally installation were exceptional. Delighted to recommend."
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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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