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Verified Reviews for Air Conditioning pros in Dennis, MA

*The Angi rating for Air Conditioning companies in Dennis, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Air Conditioning needs.

*The HomeAdvisor rating for Air Conditioning companies in Dennis, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Air Conditioning needs.

Last update on June 20, 2026

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Avatar for Joe Cool
Joe Cool
4.8(
115
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Dennis, MA and surrounding areas

Approved

Super Service Award Winner

In business since 1983

Emergency services offered

Warranties offered

"Joe did a great job getting a new AC in during the hottest time in the summer."
Central AC New Home
New Seabury, Mashpee
Mitsubishi
Trane
Ridge Club Sandwich

+101

Response time9 hrs
Response rate87%
10 neighbors recently requested a quote
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Avatar for Earth Green Dryer Vent & Duct Cleaning
Earth Green Dryer Vent & Duct Cleaning
4.6(
816
)
Air Ducts & Vents - Clean

Serving Dennis, MA and surrounding areas

Approved

Super Service Award Winner

In business since 1998

Free estimates

Emergency services offered

"Cleaned all ductwork for heating and air conditioning and left them immaculate. Cleaned dryer vent inside and outside and dry works so much better Truly professional and neat I would highly recommend"
Before cleaning
After cleaning
Truck Mount Duct Cleaning
Blower Motor Cleaning
Response time5 hrs
76 neighbors recently requested a quote
Recommended by95%of homeowners
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Avatar for RLF Heating & Cooling Inc.
RLF Heating & Cooling Inc.
4.9(
10
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Dennis, MA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Bob did a new mini split install for me and I couldn't be happier with the work. He was professional, timely, and had excellent communication. He was also very knowledgeable and made some great recommendations for the project. I'd recommend him to anyone looking for HVAC work."
Response time6 hrs
Response rate97%
5 neighbors recently requested a quote
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Avatar for Cotti Johnson HVAC, Inc.
Cotti Johnson HVAC, Inc.
4.3(
63
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Dennis, MA and surrounding areas

Approved

In business since 1944

Free estimates

Emergency services offered

"I appreciated being able to speak with someone in the office to explain my situation (leaking water heater), and having someone come to my home so quickly to go over my options for dealing with the problem. Dylan, Aaron and the entire crew were so professional and knowledgeable about the on-demand hot water system we chose to install. They were a pleasure to work with, and I would highly recommend them to friends in need of similar services."
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%
93 neighbors recently requested a quote
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Avatar for ARS - Boston
ARS - Boston
4.3(
365
)
Central A/C - Service or RepairCentral A/C - Install

Serving 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

273 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 - InstallDuctless Mini-split A/C - Install or Replace

Serving Dennis, MA and surrounding areas

Approved

Super Service Award Winner

In business since 1996

Free estimates

Emergency services offered

"Braga Brothers is professional, quick, and explains everything clearly. My new HVAC system works great, and my company condo feels more comfortable. I highly recommend them for any HVAC needs!"
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 Dennis, MA and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

"Immediate and excellent service for our snow removal needs."
Response time2 days
Response rate85%
31 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 Repair

Serving Dennis, MA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!\n

Response time12 hrs
Response rate90%
18 neighbors recently requested a quote
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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 Dennis, MA and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"They handled everything, including coordinating with the gas company, permitting."
Auto Transfer Switch
Connection to propane tanks
Housekeeping pad
Trenching
Custom Poured Pad

+13

Response time12 hrs
14 neighbors recently requested a quote
Recommended by85%of homeowners
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Showing 1-10 of 107
Air Conditioning questions, answered by experts

The DOE is phasing out AC units with SEER ratings that fall below 14 or 15. The exact minimum rating depends on your region. In the northern United States, new ACs must have a minimum SEER rating of 14, though you can still buy and install older systems as long as they were compliant when they were manufactured. In the southern and southwestern United States, you cannot buy or install older air conditioners with lower SEER ratings. The minimum rating is between 14.5 and 15, depending on the power of the unit.

Some AC filters, known as reusable filters, can be cleaned and reinserted. Most AC filters, however, are disposable and cannot be cleaned. 

The average cost to replace or install a new HVAC system is around $7,500. However, the price can range from $5,000 to $12,500, depending on factors like the size of your home, the type and brand of the unit, and your specific heating and cooling needs. If you only need to replace certain components, the cost will be lower; for example, a new AC unit can cost between $2,200 and $5,500, while a new furnace costs $3,200 to $6,000. If additional work like new ductwork is required, the total cost could be as high as $22,000. It's best to contact a local HVAC company for an accurate quote.

It depends on the type of AC unit and the extent of the mold growth. For example, if you have a small amount of mold in your central air conditioner, it’s worth cleaning it to protect your HVAC system and your health. In situations like these, you can often remove the mold yourself in a couple of hours. On the other hand, if you have a portable AC unit with a severe mold problem, it makes more sense to buy a new one. On average, replacing a portable AC unit costs $100 to $500.

Air filters with a high MERV rating, 11 or above, shouldn't cause airflow problems in most residential systems. However, the airflow can be restricted in some HVAC systems if they aren't designed for high MERV ratings. If in doubt, a local duct installer should inspect your ductwork so that you know what your system can handle.

The 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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