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TRUSTED BY DENNIS, NJ HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon59
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Dennis - Updated Nov 2026

Avatar for Laury Heating Cooling & Plumbing
Laury Heating Cooling & Plumbing
4.8(
185
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - Install+47 more

Serving Dennis, NJ and surrounding areas

Approved

In business since 1945

Free estimates

Emergency services offered

"Tyler knows HVAC systems. When he came to our service call, he was able to give recommendations and diagnose our problems. He did this very efficiently and explain things in a way that a non-HVAC person such as myself could understand. At the same time, he was able to explain things to my husband in terms that I am still trying to figure out. We are definitely getting a service contract with Laury as long as Tyler is the one who comes to our home!!"
High efficiency Carrier condenser.
High efficiency Carrier Infinity gas furnace with variable speed blower.
High efficiency Carrier gas furnace and Trion Air Bear filter.
High efficiency Carrier heat pump installation.
Ductwork installation.

+13

Response time10 mins
Response rate100%
22 neighbors recently requested a quote
Avatar for KS Kamara Heating & Air
KS Kamara Heating & Air
5.0(
83
)
Central A/C - Service or RepairGas Furnace / Forced Air Heating System - RepairHeat Pump - Repair or Service+1 more

Serving Dennis, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Emergency services offered

Credit card accepted

"Kamara is THE BEST. He fixed my HVAC problem and at affordable price, where Morris Jenkins couldnâ t fix it. He has very good knowledge about the system. He puts his heart and soul into the problem to fix it and his work definitely speaks. He walk through the system, the problem, the options and cost effective one out of it. I was able to gain some knowledge on the HVAC system and a big thanks to him for that too! I was a Morris Jenkins priority advantage member and now I got rid of it and I chose to go with Kamara for any further HVAC maintenance and itâ s problems. I would definitely recommend him and obviously 10/10."
Response time3 hrs
Response rate91%
8 neighbors recently requested a quote
Avatar for Comfort Monster Heating & Air / Absolute
Comfort Monster Heating & Air / Absolute
4.8(
236
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Install+15 more

Serving Dennis, NJ and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Excellent service. Got brand new HVAC units and had the coils replaced. They were thousands less than the other three bids. Came in laid drop cloth to make sure nothing would be tracked in. Very polite and quick and cleaned up when they finished. A++ Service will recommend and hire again."
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+2

Response time1 day
Response rate100%
74 neighbors recently requested a quote
Avatar for Hutch-N-Son's HVAC
Hutch-N-Son's HVAC
5.0(
34
)
Central A/C - Service or RepairElectric Furnace / Forced Air Heating System - RepairGas Furnace / Forced Air Heating System - Repair+2 more

Serving Dennis, NJ and surrounding areas

Approved

In business since 2003

Emergency services offered

Customers say: True professional

"I had an excellent experience with Hutch-N-son's HVAC. They did an amazing job fixing my air conditioning, and now everything is working perfectly. The team was very professional, honest, and respectful throughout the entire process. They explained everything clearly and made sure the job was done right. I truly appreciate their hard work and great customer service. I definitely recommend them to anyone needing HVAC services!"
Response time3 hrs
Response rate96%
Recommended by93%of homeowners
Avatar for GSM Services
GSM Services
4.7(
106
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - Repair+22 more

Serving Dennis, NJ and surrounding areas

Approved

In business since 1927

Free estimates

Emergency services offered

"I hired GSM Services to replace my A/C unit and furnace with a newer, upgraded system. A few weeks ago Kelly came to my house to give me an estimate for a new heating and air system. He was on time and very professional. He surveyed my existing system, took measurements of my house, and did some calculations to determine exactly what type and capacity system that I would need. He showed and explained to me several options as well as their prices. He wasn’t pushy as he left in order to give me time to review the different options before making my decision. I called the office the next day with my decision and to set up a date and time for installation. Today (May 22) Kyle and Craig showed up on time and were extremely professional as well. They worked from 8:30 to 5:30 completing the replacement of my entire heating/air system. The field team leader also showed up just to ensure that everything was going smoothly. They were very helpful in answering any questions that I had throughput the day and they took the time to explain to me about the new system after installation was complete (I.e. how to operate the new programmable thermostat). Overall, it was a great experience and I will definitely use them again."
New Air Conditioners
AC System Replacement in Charlotte, NC
Dust and debris from ductwork pulled into the duct cleaning machine
Ductless Mini Split Installation
AC Install Gastonia

+62

Response time1 day
38 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Quality Crawlspace & Air Duct Cleaning, LLC
Quality Crawlspace & Air Duct Cleaning, LLC
5.0(
36
)
Air Ducts & Vents - Clean

Serving Dennis, NJ and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

Quality Crawlspace and Air Duct Cleaning is a dedicated, veteran-owned, and family-run business serving homeowners in Charlotte NC. We specialize in restoring indoor comfort and enhancing air quality from the ground up. Our comprehensive range of professional services includes high-quality air duct cleaning, full crawl space encapsulation, insulation installation, mold remediation, vapor barrier setups, and the installation of French drains and sump pumps. We pride ourselves on delivering dependable workmanship and honest, fair pricing to keep your homeÂ’s lower levels and ventilation systems functioning optimally.

3 neighbors recently requested a quote
Recommended by94%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

The general rule of thumb for figuring out how much AC tonnage you need in your home is that for every 500 to 600 square feet of space you need to cool, you’ll need one ton of AC cooling power. So, a 1,000-square-foot home will need 2 tons of AC power. 

On average, an AC unit lasts between 10 and 20 years. However, the specific lifespan depends on the type of unit, how often it's used, the local climate, and the quality of maintenance. Central AC units typically last 12 to 17 years, while window units have a shorter lifespan of 8 to 10 years. Portable AC units last about 5 to 10 years, and ductless mini-split systems can last up to 20 years. To extend the life of your AC unit, it's important to perform regular maintenance, such as replacing filters, cleaning coils, and scheduling annual professional tune-ups.

Aside from needing HVAC repair, there are times when you may need to replace your unit. HVAC replacement costs $5,000 to $12,500. Here are some telltale signs that your HVAC unit is going bad:

  • Your unit is 10 years or older.

  • Your home is very humid.

  • The unit keeps cycling without producing cool air.

  • You need to repair the unit frequently.

You should only run your dehumidifier in warmer months, such as spring and summer, to get the best performance out of your system. The air gets drier when temperatures drop in the winter months, creating less of a need for a dehumidifier. However, when to run a dehumidifier will depend on your local climate.

Running an air conditioner with mold is not safe because it can spread harmful mold spores throughout your home. Exposure to these spores can trigger various health problems, including respiratory issues, allergies, coughing, wheezing, sneezing, itchy eyes, and a sore throat. It may also aggravate asthma in household members. Continued exposure can increase the risk of more serious illnesses like sinus infections, pneumonia, and bronchitis. If you suspect mold in your air conditioner, you should stop using the system until it has been properly cleaned to avoid health risks and further contamination.

The Dennis, NJ homeowners’ guide to heating and air conditioning services

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