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TRUSTED BY STRAFFORD, NH HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon96
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Strafford

Avatar for Freedom Air Mechanical
Freedom Air Mechanical
4.8(
14
)
Central A/C - InstallBoiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For Business+47 more

Serving Strafford, NH and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Repairs were excellent and thorough "even well documented". The tech found units low on coolant. He identified and repaired multiple refrigerant leak points. I have dealt with many HVAC contractors over the years and Freedom Air Mechanical is one of the best. I highly recommend."
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+36

Response time1 day
1 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Everclean Air LLC
Everclean Air LLC
4.8(
43
)
Air Ducts & Vents - Clean

Serving Strafford, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"I wanted to clean a second floor dryer vent hose that was loaded solid with lint. It was worse than I thought! Packed solid! It became evident that this was a messy and dangerous situation as it was a fire hazard. Through Angi I found Everclean and the co. was a perfect fit. HVAC companies don’t do dryer vents. Justin from Everclean was awesome and got the problem straightened out. He even discovered the dryer vent had become disconnected from outside dryer vent door! I can’t fit through the narrow attic hatchway as my shoulders are a bit too wide, so I depended on Justin. Finally, everything is buttoned up, and our clothes now dry in half the time. Cost was moderate and was money well invested. Dryer vent fire danger is now negligible compared to before. Along with neighbor hatred danger. I would hire Everclean again if needed again."
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+2

Response time7 hrs
Response rate100%
7 neighbors recently requested a quote
Avatar for Palmer Gas & Oil
Palmer Gas & Oil
4.6(
88
)
Central A/C - InstallDucts & Vents - Install or ReplaceBoiler or Radiator Heating System - Install or Replace+47 more

Serving Strafford, NH and surrounding areas

Approved

Super Service Award Winner

In business since 1932

Free estimates

Emergency services offered

"We have been a Palmer customer for 6 years. The front office and the technicians has always been great to work with. We have been using their AC and Heating Service Plan and on automatic oil and propane fill for years and we have never had an issue. My most recent experience was today for the AC Service Plan. The technician (David) was very polite, experienced, knowledgeable and respectful of our time and home. It’s always a great experience to have maintenance conducted in you home and have the technicians give you expert advice on your heating and AC system. Our AC system is well over 25 years old and still running strong thanks to Palmer. I continue to be impressed with Palmer and will remain a customer for the foreseeable future!"
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+11

2 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Comfort Air Services
Comfort Air Services
4.3(
22
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceOil Furnace / Forced Air Heating System - Install+10 more

Serving Strafford, NH and surrounding areas

Approved

In business since 2008

Credit card accepted

Offers commercial services

"Patrick called Friday night and showed up at 7:15 AM on a Saturday morning (OMG) to repair a central A/C system that was icing up inside. I'm still waiting to hear from the other 2 companies that were listed in my area. I know they will call Monday which would mean myself and my disabled wife would spend a very uncomfortable weekend and probably longer because most HVAC companies don't work weekends and it usually takes at least a day to schedule an appointment. Not fun when the humidity is 65% and the temp is close to 80. Patrick did a great job, A/C is running like new. Will hire him again and recommend him in a heart beat. Prices are very reasonable. Hire him!"
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+18

Response time2 days
Response rate89%
15 neighbors recently requested a quote
Avatar for Cornerstone IAQ Services, LLC
Cornerstone IAQ Services, LLC
4.9(
72
)
Air Ducts & Vents - Clean

Serving Strafford, NH and surrounding areas

Approved

In business since 2015

Credit card accepted

Customers say: Quality work

"I'll start by saying that I have severe allergies. and respiratory issues Jason and Mike were not only NADCA certified, but friendly, knowledgeable, punctual, and most importantly... honest. I had spoken to others that said they would "fix" it", but Cornerstone came, evaluated my system and, rather than charge me unnecessarily, they provided me with other options that they did not even offer. That's service!!! I look forward to scheduling them when my system is actually DUE for a cleaning. Thanks gentlemen!"
Before Picture Flex Ducting
After Picture Flex Duxting
Before Picture Flex  Ducting
After Picture Flex Ducting
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+2

Response time1 day
Recommended by98%of homeowners
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Showing 1-10 of 188
Heating and Air Conditioning questions, answered by experts

Look up your model number online to find additional information. Usually, you can just take a look at the old filter and find the brand name and dimensions to order a new one. When replacing the filter, always check that it’s pointed the right way to match the direction of your airflow. Many filters have arrows on them to help with this step.

As a general rule, you should have your HVAC system professionally serviced at least once a year, though it's best to follow the manufacturer's specific recommendations. Many experts suggest twice-yearly maintenance: once in the spring for the cooling system and once in the fall for the heating system. This is especially recommended for older units, systems with recurring issues, or heat pumps that provide both heating and cooling. Regular service, which can cost between $100 and $550, keeps the system running efficiently, helps prevent costly future repairs, and saves money on utility bills.

Trick question: There is no difference between an AC and a furnace blower motor. Whether you have central air and heat or just one of these, the same blower motor carries hot and cold air throughout the ductwork in your home. Certain systems may have separate blower motors for the AC and furnace, but each serves the same function.

The decision to put your AC unit on the roof or ground depends on the climate in your area, the roof shape, accessibility, and budget. If you live in a warm climate or don’t have existing ductwork, it’s likely best to stick to a traditional AC unit that sits on the ground. However, if you lack yard space, live in a mild climate, and have easy access to the roof, your home may benefit from a rooftop AC unit. 

If refrigerant levels are low, it can cause the evaporator coil to freeze up. Low freon causes a drop in pressure, which will make the coil too cold and cause moisture to freeze on the coil. Your system may be low on refrigerant because of a leak. 

Make sure to have maintenance performed twice a year, and contact your local HVAC technician if you suspect your system has low freon levels.

The Strafford, NH 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.