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Avatar for Granite State Refrigeration Services LLC
Granite State Refrigeration Services LLC
5.0(
10
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral Air Cleaner - Install or Replace

Serving Hillsborough, NH and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Had an issue with my a/c unit leaking water and I called granite state refrigeration they had this nice polite guy named Keenan come out and he fixed it in no time!!! Amazing thank you !"
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
Response rate100%
11 neighbors recently requested a quote
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Avatar for Action Plumbing Heating And Air
Action Plumbing Heating And Air
4.9(
92
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Hillsborough, NH and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Mike & Chase came to do the annual maintenance that hadnâ t been done in over 5 years. They were efficient and careful working on this very old furnace. Mike was very informative- explained and answered all my many questions. Professional, efficient, thoughtful and polite. Iâ m scheduling them for my AC maintenance and plumbing needs. Trustworthy!"
Response time1 day
Response rate89%
21 neighbors recently requested a quote
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Avatar for McGinley & Sons
McGinley & Sons
4.0(
23
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair+10 more

Serving Hillsborough, NH and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Mcginley and Sons were excellent. Professional, knowledgeable, and pleasant to deal with. We were without heat in our home for over 48 hours and they were determined to replace furnace ASAP which they did indeed accomplished. We would highly recommend Mcginley and Sons for furnace and AC unit."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+5

64 neighbors recently requested a quote
Recommended by59%of homeowners
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Avatar for Total Climate Control
Total Climate Control
3.4(
194
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Hillsborough, NH and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

"he cleaned up after himself. wow. he did a great job and I would have them back again."
Central AC
New Gas boiler
All new hydronics
All new hydronics
49 neighbors recently requested a quote
Recommended by86%of homeowners
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Jeff Love
5.0(
27
)
Window A/C Unit - Service or Relocate

Serving Hillsborough, NH and surrounding areas

Approved

Super Service Award Winner

In business since 1985

Free estimates

Small jobs welcome

"Jeff saved me time and money by finding the source of my bathroom exhaust issues. Rather than replacing the fans, he found that the exhaust filters were clogged with debris. The filters were cleaned, and the airflow increased."
Response time1 day
Response rate94%
32 neighbors recently requested a quote
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Avatar for East Coast Plumbing And Heating LLC
East Coast Plumbing And Heating LLC
5.0(
6
)
Central Humidifier - Install or Replace

Serving Hillsborough, NH and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"East Coast Plumbing and Heating provided us with a great service on a big job of replacing our 30 years old furnace. Dylan was very accommodating and explained the process in a great detail. His estimate for the job was honest and fair. Dylan and his crew did the job in one day and did an excellent work for a reasonable price. We are very happy with this company and we will work with them in the future. I highly recommend East Coast Plumbing and Heating."
12 neighbors recently requested a quote
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Avatar for Sidewinder Industries Handyman Services
Sidewinder Industries Handyman Services
4.5(
8
)
Window A/C Unit - InstallWindow A/C Unit - Service or Relocate

Serving Hillsborough, NH and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Small jobs welcome

"Very flexible with scheduling, attentive to what I wanted, paid attention to details, and communicated effectively."
Repair and paint
Deck board install
Painting
Railing replacement
Clean and prep

+15

Response time6 hrs
Response rate100%
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Avatar for Fournier’s Home Services
Fournier’s Home Services
4.5(
8
)
Central A/C - Service or Repair

Serving Hillsborough, NH and surrounding areas

Approved

Free estimates

Credit card accepted

"Tristan was fantastic! He handled several small jobs for me, including replacing some interior doors, mounting my TV and a large shelf on the wall, plus various other tasks. He did excellent work on everything, and his prices were very fair. He was always on time, professional, polite, and left the area spotless after every visit. I would definitely hire him again without hesitation."
10 neighbors recently requested a quote
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Avatar for Skywalker Services LLC
Skywalker Services LLC
New to Angi
Central A/C - InstallCentral A/C - Install - For BusinessDuctless Mini-split A/C - Install or Replace

Serving Hillsborough, NH and surrounding areas

Approved

In business since 2000

Free estimates

Small jobs welcome

We are Tom and Ryan - here to provide the quality of work that we can be proud of at the end of the day. From quoting to designing to installing we are there through the whole process and answer questions directly. We would love to check out your next project! \n

exterior 5
exterior 2
floor mount indoor unit
ceiling cassette in kitchen
exterior 1

+36

Response time12 hrs
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Avatar for ADM Hauling and Excavation LLC
ADM Hauling and Excavation LLC
New to Angi
Outdoor Mist Cooling System - InstallOutdoor Mist Cooling System - Service or Repair

Serving Hillsborough, NH and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Small buisness delivering honest personalized service, and helping customers find the best solutions.

7 neighbors recently requested a quote
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FAQs for air conditioning projects in Hillsborough, 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 Hillsborough, NH 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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