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Find Air conditioning pros in Dunbarton

Avatar for Clear All Cooling and Heating, LLC
Clear All Cooling and Heating, LLC
5.0(
93
)

Serving Dunbarton, NH and surrounding areas

Approved

In business since 2016

Credit card accepted

Customers say: Quick response

"We found Brian and Josh off of Angies list. When you walk into a large project not knowing the company, you hope it goes well. Well we are very pleased. They converted our oil furnace to gas and put in a new water tank. Both my husband and I are very pleased with this company and we will be calling them when we put in the air conditioner. If your looking for people that are very knowledgeable as well as friendly then give them a call, you won't be disappointed"
Response time1 day
Recommended by100%of homeowners
Avatar for Pure Temp Heating and Cooling, LLC
Pure Temp Heating and Cooling, LLC
5.0(
17
)

Serving Dunbarton, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Credit card accepted

"We love our new Installer Jake from Pure Temp Heating & Cooling and our new AC & Heating System he installed that can be adjusted through the Phone APP. Jake was very knowledgeable and did everything he said he would do. Thanks Jake, for Your Home Services and your Service in the Military."
New Installation
Steam Boiler
Response time8 hrs
Response rate87%
11 neighbors recently requested a quote
Avatar for Palmer Gas & Oil
Palmer Gas & Oil
4.6(
88
)

Serving Dunbarton, NH and surrounding areas

Approved

Super Service Award Winner

In business since 1932

Free estimates

Emergency services offered

"Palmer Gas & Oil just did an entire replacement of the 20-year-old central HVAC + humidifier + thermostats two-zone system in my home with a new state-of-the-art total system and I could not be more pleased. From start to finish each employee was personable, extremely knowledgeable, very courteous, and the consummate professional. There is truth to the adage that you get what you pay for and I know I got the best. All Gold Stars!"
Additional Photos
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+11

2 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Granite State Refrigeration Services LLC
Granite State Refrigeration Services LLC
5.0(
10
)

Serving Dunbarton, NH and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Absolutely top notch service and knowledge for the best price around Literally wouldn’t even consider calling another hvac company - thank you Keenan we look forward to the next time we need your services"
Living Room Unit a 12K BTU
The 2 Zone Outdoor Unit
2 Outdoor Units
Heating & A/C Project
Heating & A/C Project

+56

Response time5 days
12 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Skovron Mechanical Services
Skovron Mechanical Services
4.1(
85
)

Serving Dunbarton, NH and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Very professional and experienced and friendly I talk to them this morning they came and fix my furnace today I will definitely call them again"
Commercial Cooling
Before Oil Boiler
Old
Oil Boiler
HVAC Roof Top Unit

+19

Response time9 hrs
1 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for McGinley & Sons
McGinley & Sons
4.0(
23
)

Serving Dunbarton, NH and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"I am writing to express my deep disappointment with the service provided by McGinley & Sons. Despite multiple attempts to resolve this issue, I have yet to receive the promised refund for work that was never completed. As a cancer survivor undergoing surveillance scans, the refund would greatly assist in covering my medical expenses. The lack of response and follow-through has added unnecessary stress during an already difficult time. In addition to this, I had to hire a lawyer to recover my down payment, which cost me additional money. Moreover, he did not offer to compensate me for the extra expenses, including hiring an electrician to install a wire for the heat pump he could not install. Despite repeated attempts to have the deposit returned, I finally received it after engaging legal assistance. I hope this review will encourage McGinley & Sons to address this matter promptly and fairly."
Additional Photos
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+5

41 neighbors recently requested a quote
Recommended by59%of homeowners
Avatar for Kyle's Cooling And Heating LLC
Kyle's Cooling And Heating LLC
5.0(
7
)

Serving Dunbarton, NH and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Kyle is always quick to respond and come out to evaluate, even after hours! He never lets us go without heat or hot water, if he can help it, and for that I am extremely grateful. He is also very knowledgeable in the field of HVAC"
Logo
Response time1 day
Response rate95%
10 neighbors recently requested a quote
Avatar for Hometown Heating & Air
Hometown Heating & Air
4.9(
7
)

Serving Dunbarton, NH and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"Noah was very quick to respond to our inquiry. My husband and I were helping my MIL find quotes to replace her Central Air unit. Noah was very flexible with our schedule and made sure to answer all of our questions. Hometown Heating & Air had the best quote by far but still offered a great product and amazing service. The day of install they showed up early, got working and didn’t need us for anything. I highly recommend reaching out and hiring them!"
New Boiler
New Boiler
New Boiler
Combustion Test
Old Leaking Boiler

+1

Response time2 days
22 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Total Climate Control
Total Climate Control
3.4(
194
)

Serving Dunbarton, NH and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

"I hired TCC three weeks ago to install a heat pump mini-split systems for my 4 BR home. Their quote was competitive, their install went as planned, and the technicians were super knowledgeable and worked hard to do it right. I am thrilled with the results. I have recommended them to family already and TCC will get more business."
Central AC
New Gas boiler
All new hydronics
All new hydronics
50 neighbors recently requested a quote
Recommended by86%of homeowners
...
Showing 1-10 of 239

FAQs for air conditioning projects in Dunbarton, NH

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 Dunbarton, NH homeowners’ guide to air conditioning services

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