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Find Air conditioning pros in Grafton

Avatar for DG Heating & Air Conditioning, Inc.
DG Heating & Air Conditioning, Inc.
4.5(
29
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Grafton, MA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: Quality work

"Derek was quick to respond to my request for a quote and had our mini split installed within a week. He was friendly, professional, respectful of our property and meticulous. I highly recommend hiring DH Heating and Air Conditioning, you won’t regret it!!"
Response time1 day
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for SumZero Energy Systems, LLC
SumZero Energy Systems, LLC
4.4(
23
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Grafton, MA and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"SumZero Energy Systems have been excellent in the last several months with supporting the replacement of my air conditioning system in my old condo as well as servicing my furnace. A price comparison with other local companies also prooved SumZero Energy Systems offered the best price. When I purchased a home a few months later, I called them to take a look at my air conditioning system and furnace because I felt as though they had provided such excellent service in the past. It was a no-brainer to ask for consultation regarding the heating and cooling systems in my new home! When I contacted them for assistance or consultation, they are usually quick to respond and provide appointment times had a very convenient window! They have shown up on time to all of the appointments I have had. David S. has always taken the time to explain everything thoroughly and answer all my questions. I highly recommend SumZero Energy Systems!"
Mitsubishi Heat Pump
MITSUbishi Hyper Heat Heat Pump
Wall Unit (GL Model)
'One-Way' Ceiling Cassette
'Floor Mount' Unit

+9

Response time2 days
Response rate88%
36 neighbors recently requested a quote
Avatar for All HVAC
All HVAC
5.0(
17
)
Central A/C - Service or Repair

Serving Grafton, MA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Believing that furnace and central air conditioning systems have to be replaced, I asked Nick for an estimate. When he arrived, he diagnosed the problem and fixed it. He saved me a large amount of money. Easy to talk to, explained the issues in understandable terms. He came the same day I called. But if I have another problem, I would not mind waiting because I am confident he will do the job."
Response time6 hrs
8 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Turkey Heating and Cooling, Inc.
Turkey Heating and Cooling, Inc.
4.9(
22
)
Central A/C - Service or Repair

Serving Grafton, MA and surrounding areas

Approved

In business since 2015

Warranties offered

Small jobs welcome

"Professional HVAC is honest , very professional as well. Ronald showed up on time and he was able to discover the issue with my mini spilt and found the where is the leak. I highly recommended them."
HVAC
Response time9 hrs
18 neighbors recently requested a quote
Recommended by62%of homeowners
Avatar for Rodenhiser Home Services
Rodenhiser Home Services
4.4(
522
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Grafton, MA and surrounding areas

Approved

In business since 1928

Emergency services offered

Warranties offered

"Due to the pandemic it took a while for the park to come in, but after the park came in they were able to fix it the same day. They were terrific and very helpful. They provided portable AC units during the time when our AC was down. This was very good of the company to do."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
45 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Air Temperature Service, LLC
Air Temperature Service, LLC
3.9(
42
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Grafton, MA and surrounding areas

Approved

In business since 1981

Free estimates

Credit card accepted

"You may have to call a few times, but Jay will always respond. He did a new high end boiler replacement and also installed central air in our home. His price was way under the competitors. Like any contractor, sometimes they are not great at prompt return phone calls and sometimes their schedule gets shifted, but we were very happy with him and have referred him out to several friends."
Village Green
Village Green
Village Green
Response time10 hrs
Response rate97%
22 neighbors recently requested a quote
Avatar for Metro West Mini Splits
Metro West Mini Splits
4.9(
16
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Grafton, MA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"I am writing to recommend the excellent work of Metrowest Minisplits based on our recent experience with the install of 4 minisplits and outdoor heat pump system. Our house is heated with oil and I wanted an alternative clean heating source and could not be happier with this added system to our home. No more noisy window AC Units. These minisplits are so quiet as well as the outdoor unit. Jamie and Allan walked through our home measuring each room, wall to wall, ceiling to floor, providing location and unit size recommendations and did not over sell. They took the time to review the outside of our house and listened to my concerns for placement of outdoor duct work and unit location. I wanted to use a local contractor who would also be installing the product and would not use a third party contractor. Jamie took the time to come back after they where finished installing units when everyone was home to show us together how to use the remotes, how to clean filters, adjusting air flow and explain the proper use of the system. Thatâ s why I would recommend Metrowest Minisplits. Great customer service! The Brazeau, Southborough, MA"
Heat Pump Repair
Mini Split Heat Pump - Fujitsu Brand
Response time2 days
Response rate98%
1 neighbors recently requested a quote
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FAQs for air conditioning projects in Grafton, MA

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 Grafton, MA homeowners’ guide to air conditioning services

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