Top-rated heating and air conditioning pros.

Get matched with top heating and air conditioning pros in South Grafton, MA

There are 19 highly-rated local heating and air conditioning pros.

TRUSTED BY SOUTH GRAFTON, MA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon178
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in South Grafton

Avatar for Duct Kings

Duct Kings

4.66(
369
)
Approved Pro

Duct Kings

4.66(
369
)
Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
1999 years of experience

We are experts in air duct & dryer vent cleaning for homeowners & businesses. We also insulate & repair ductwork, offer video inspection, sanitizing, air leak testing & duct leak sealing using Aeroseal, a patented technology created by the US Department of Energy to decrease energy bills that result from leaky airducts.

"I have been using duct kings to clean my dryer vent for several years. They always arrive on time and thoroughly clean out the dryer vent. I used them again this year and they provided the same great service! It was great to have the same technician who was familiar with my home to provide the service several years in a row."

Homeowner on November 2025

We are experts in air duct & dryer vent cleaning for homeowners & businesses. We also insulate & repair ductwork, offer video inspection, sanitizing, air leak testing & duct leak sealing using Aeroseal, a patented technology created by the US Department of Energy to decrease energy bills that result from leaky airducts.

"I have been using duct kings to clean my dryer vent for several years. They always arrive on time and thoroughly clean out the dryer vent. I used them again this year and they provided the same great service! It was great to have the same technician who was familiar with my home to provide the service several years in a row."

Homeowner on November 2025


Avatar for Sila Heating, Cooling, Plumbing and Electrical

Sila Heating, Cooling, Plumbing and Electrical

4.54(
5,210
)
Approved Pro

Sila Heating, Cooling, Plumbing and Electrical

4.54(
5,210
)
Approved Pro
Customers say: Super punctual
1989 years of experience
Free onsite estimate

Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!

"Great, as always. Sila is outstanding. We have a service contract with them for our furnace and AC and they keep them in tip-top shape. And when we have an urgent or emergency situation (heating, cooling, plumbing, electrical), they're who we call."

Jonathan P on November 2025

Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!

"Great, as always. Sila is outstanding. We have a service contract with them for our furnace and AC and they keep them in tip-top shape. And when we have an urgent or emergency situation (heating, cooling, plumbing, electrical), they're who we call."

Jonathan P on November 2025


Avatar for Cotti-Johnson Heating-Cooling-Electrical

Cotti-Johnson Heating-Cooling-Electrical

4.68(
155
)
Approved Pro

Cotti-Johnson Heating-Cooling-Electrical

4.68(
155
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
1948 years of experience

Experiencing issues with your heating, air conditioning, plumbing, or electrical systems? Cotti-Johnson is your reliable one-stop shop for all home comfort needs. From simple fixes to large-scale projects, our professional team handles everything with honesty and expertise. We offer 24/7 emergency services and specialized design services for landscape and indoor lighting. Trust us for top-notch, efficient, and transparent service. Visit our website at callcotti.com or call us at (833) 826-8844 to see how we can improve your home's comfort and efficiency.

"Happy with the work, and the customer service. Will definitely call on them for future work."

Fran P on June 2025

Experiencing issues with your heating, air conditioning, plumbing, or electrical systems? Cotti-Johnson is your reliable one-stop shop for all home comfort needs. From simple fixes to large-scale projects, our professional team handles everything with honesty and expertise. We offer 24/7 emergency services and specialized design services for landscape and indoor lighting. Trust us for top-notch, efficient, and transparent service. Visit our website at callcotti.com or call us at (833) 826-8844 to see how we can improve your home's comfort and efficiency.

"Happy with the work, and the customer service. Will definitely call on them for future work."

Fran P on June 2025


Avatar for Gervais Plumbing & Heating Inc

Gervais Plumbing & Heating Inc

3.71(
7
)
Approved Pro

Gervais Plumbing & Heating Inc

3.71(
7
)
Approved Pro
Customers say: Quick response

18 Years in Business Gervais Mechanical Service LLC is a fully licensed, local, family-run business. With more than 100 years of combined experience, we strive to bring our customers exceptional repair and installation services they can rely on. We offer turnkey solutions for both residential and commercial customers — no job is too large or complex for our expert team.

"Absolute ripoff, along with shady business practices. They were prompt and courteous, but that's about it. The technician came and had to replace a $200 part on my boiler, it took him under an hour to do the work. A simple Google search showed at least 10 places to buy the exact part, all around $200. No other parts were needed for this repair, I researched what is involved. I was charged almost $1000, including their $89 diagnostic fee just to walk in the door. So apparently it's a $600+/hour labor rate? I'm obviously in the wrong line of work. This was not an off hours emergency call either, it was a scheduled appointment in the middle of a weekday. The shadiest part of the entire thing was that on the invoice (that they email you later) they bury all the cost, it's not itemized i.e. labor vs parts cost. It just says replaced (part) = $1000. A super scummy and shady way to run a "professional" business, taking advantage of people who don't know any better. I wouldn't be surprised if they also sell used cars. Never again Gervais. You've all been warned."

Jeffrey J on January 2025

18 Years in Business Gervais Mechanical Service LLC is a fully licensed, local, family-run business. With more than 100 years of combined experience, we strive to bring our customers exceptional repair and installation services they can rely on. We offer turnkey solutions for both residential and commercial customers — no job is too large or complex for our expert team.

"Absolute ripoff, along with shady business practices. They were prompt and courteous, but that's about it. The technician came and had to replace a $200 part on my boiler, it took him under an hour to do the work. A simple Google search showed at least 10 places to buy the exact part, all around $200. No other parts were needed for this repair, I researched what is involved. I was charged almost $1000, including their $89 diagnostic fee just to walk in the door. So apparently it's a $600+/hour labor rate? I'm obviously in the wrong line of work. This was not an off hours emergency call either, it was a scheduled appointment in the middle of a weekday. The shadiest part of the entire thing was that on the invoice (that they email you later) they bury all the cost, it's not itemized i.e. labor vs parts cost. It just says replaced (part) = $1000. A super scummy and shady way to run a "professional" business, taking advantage of people who don't know any better. I wouldn't be surprised if they also sell used cars. Never again Gervais. You've all been warned."

Jeffrey J on January 2025


Avatar for GreenHow Inc

GreenHow Inc

4.95(
109
)

GreenHow Inc

4.95(
109
)
Customers say: True professional
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers

Additional service areas - Norwood Brockton, Lynn Beverly, Concord Maynard, & Chelmsford Haverhill & portions of Ashland Norfolk, Boxford Gloucester, Cohasset Plymouth & Fitchburg Leominster. Award winning. Additional contact name - Lauren Greenhow.

"GreenHow is an excellent company - their servicepeople are knowledgable and thorough, follow up when they say they will, and go out of their way to make sure you are happy with their work. The back office team is also very attentive and professional. We had our property inspected when we moved in and were pleased enough with GreenHow's work that we contracted them to perform ongoing inspections every couple months. They have been great and we are quite happy!"

Douglas S on September 2020

Additional service areas - Norwood Brockton, Lynn Beverly, Concord Maynard, & Chelmsford Haverhill & portions of Ashland Norfolk, Boxford Gloucester, Cohasset Plymouth & Fitchburg Leominster. Award winning. Additional contact name - Lauren Greenhow.

"GreenHow is an excellent company - their servicepeople are knowledgable and thorough, follow up when they say they will, and go out of their way to make sure you are happy with their work. The back office team is also very attentive and professional. We had our property inspected when we moved in and were pleased enough with GreenHow's work that we contracted them to perform ongoing inspections every couple months. They have been great and we are quite happy!"

Douglas S on September 2020


Beth Finlayson Licensed Electrician

4.95(
117
)

Beth Finlayson Licensed Electrician

4.95(
117
)
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

My name is Beth Finlayson and I am the owner of this electrical business. I run a small business out of Woburn MA and have been in the trade for over a decade now. My company always strives to be prompt, professional, and yet still maintain reasonable rates.

"Beth did a great job installing new motion sensor lights on my property. Her customer service and communication was excellent. We arranged the entire job via text and email. She was very responsive to my questions and gave great advise. I will hire her again the next time I need a licensed electrician."

Dan F on January 2021

My name is Beth Finlayson and I am the owner of this electrical business. I run a small business out of Woburn MA and have been in the trade for over a decade now. My company always strives to be prompt, professional, and yet still maintain reasonable rates.

"Beth did a great job installing new motion sensor lights on my property. Her customer service and communication was excellent. We arranged the entire job via text and email. She was very responsive to my questions and gave great advise. I will hire her again the next time I need a licensed electrician."

Dan F on January 2021



Avatar for Gibbons Electric

Gibbons Electric

4.87(
338
)

Gibbons Electric

4.87(
338
)
Customers say: Super punctual
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

Since 1980 Gibbons Electric has been providing outstanding service to customers like you. Our well-trained and experienced management staff is committed to answering your calls quickly, evaluating your needs, scheduling "on time" appointments and overseeing your project from start to finish. Our technicians electrical experience, professional appearance and positive attitude allow us to consistently exceed our customers expectations. We have a passion for what we do. In a fast paced world of "come and go" contractors it is our hope that you will allow us to provide the service that you expect to receive from a contractor, not hope for. Let us give your property the respect it deserves!

"It went very well. They were courteous and professional. They did an excellent job."

Sally B on August 2020

Since 1980 Gibbons Electric has been providing outstanding service to customers like you. Our well-trained and experienced management staff is committed to answering your calls quickly, evaluating your needs, scheduling "on time" appointments and overseeing your project from start to finish. Our technicians electrical experience, professional appearance and positive attitude allow us to consistently exceed our customers expectations. We have a passion for what we do. In a fast paced world of "come and go" contractors it is our hope that you will allow us to provide the service that you expect to receive from a contractor, not hope for. Let us give your property the respect it deserves!

"It went very well. They were courteous and professional. They did an excellent job."

Sally B on August 2020


Avatar for Lowe’s Air Duct Cleaning

Lowe’s Air Duct Cleaning

4.82(
384
)

Lowe’s Air Duct Cleaning

4.82(
384
)
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

Lowe's Air Duct Cleaning is an honest and reputable company, specializing in air duct cleaning business. We always stand behind the jobs we do and guarantee the best quality results for each project. Additional phone numbers - (800) 699-0955, (781) 205-2474 & (978) 965-3474.

"After Lowe's came to clean the dyer vents at my condo building, my dryer was no longer venting. I contacted them and initially they said they would send someone to check the vent. They then called back and said my vent was never clean because it was disconnected and they could not help me. This was strange because the dryer was working fine before they came. Also, in my trash there was foil tape that you would wrap around the vent. This made me think that they did try to clean the vent despite saying they did nothing. I contacted my management company who said there were never any previous issues with my vent. I called Lowe's back and told them this and they still insisted that they never touched it but would check with the technician. I looked into it my self and found that in the section of the vent between the dryer and the ceiling there was a mass of lint the size of a small animal (see the picture). It was so large that moisture from the dryer had also built up and flooded the bottom of the vent hose. The building manager was then able to clear another mass of lint from the section of the vent in the ceiling and the dryer then started venting to the outside. It was never disconnected like Lowe's said. It seems they started cleaning it and just jammed the dust all the way back to the dryer. Why they didn't finish removing it is a mystery. If they ever service my building again, I will refuse."

Kevin C on June 2023

Lowe's Air Duct Cleaning is an honest and reputable company, specializing in air duct cleaning business. We always stand behind the jobs we do and guarantee the best quality results for each project. Additional phone numbers - (800) 699-0955, (781) 205-2474 & (978) 965-3474.

"After Lowe's came to clean the dyer vents at my condo building, my dryer was no longer venting. I contacted them and initially they said they would send someone to check the vent. They then called back and said my vent was never clean because it was disconnected and they could not help me. This was strange because the dryer was working fine before they came. Also, in my trash there was foil tape that you would wrap around the vent. This made me think that they did try to clean the vent despite saying they did nothing. I contacted my management company who said there were never any previous issues with my vent. I called Lowe's back and told them this and they still insisted that they never touched it but would check with the technician. I looked into it my self and found that in the section of the vent between the dryer and the ceiling there was a mass of lint the size of a small animal (see the picture). It was so large that moisture from the dryer had also built up and flooded the bottom of the vent hose. The building manager was then able to clear another mass of lint from the section of the vent in the ceiling and the dryer then started venting to the outside. It was never disconnected like Lowe's said. It seems they started cleaning it and just jammed the dust all the way back to the dryer. Why they didn't finish removing it is a mystery. If they ever service my building again, I will refuse."

Kevin C on June 2023


Avatar for Thomas J. Remodeling

Thomas J. Remodeling

4.96(
102
)

Thomas J. Remodeling

4.96(
102
)
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

Thomas J Remodeling is a high end general contracting company that services the greater Boston and Metro West areas of Massachusetts. We specialize in kitchens, bathrooms, basements, windows, doors and much more. Our focus is on the clients and our work speaks for itself. We pride ourselves on high quality output. Whether it's in the carpentry and tile work or overseeing the schedule of a large project, we truly shine in our ability to bring our client's vision into reality. Please get in touch today!

"Went really well! Tom cares about delivering 1st class service and quality renovation and pays attention to detail to ensure the job is done right. Would hire again. Thanks again to Tom and his team."

Mark H on May 2020

Thomas J Remodeling is a high end general contracting company that services the greater Boston and Metro West areas of Massachusetts. We specialize in kitchens, bathrooms, basements, windows, doors and much more. Our focus is on the clients and our work speaks for itself. We pride ourselves on high quality output. Whether it's in the carpentry and tile work or overseeing the schedule of a large project, we truly shine in our ability to bring our client's vision into reality. Please get in touch today!

"Went really well! Tom cares about delivering 1st class service and quality renovation and pays attention to detail to ensure the job is done right. Would hire again. Thanks again to Tom and his team."

Mark H on May 2020

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Heating and Air Conditioning questions, answered by experts

Excessive humidity in a room often manifests through visible signs like condensation on windows or walls, a musty or damp odor lingering in the air, peeling wallpaper or paint, and the presence of mold or mildew. Experiencing discomfort due to a consistently clammy or sticky feeling can also indicate high humidity levels.

It depends on the specifics of your warranty. The motor is likely not covered if you’re working with a limited warranty. The same goes for other components like the compressor and evaporator coil. Some extended warranties will cover the blower and fan motor, so read the fine print before signing up. Additionally, the manufacturer may offer a warranty for the parts, including the motor, though there’s likely to be a strict time limit for this coverage.

You can buy a house with a 15-year-old HVAC system if you inspect the system for performance and budget for a replacement within the next three years. You can also negotiate the price with the sellers. Ask to look at the unit’s maintenance records and energy bills for the last two years to determine the shape of the HVAC system and its operating costs. Spend time in each room of the house to gauge if the HVAC keeps the home at a consistent temperature throughout.

Yes, a dirty evaporator coil can freeze up. Dirty evaporator coils can’t absorb or transfer heat properly. The dirt and grime restrict airflow, which is needed to move heat throughout the system properly. Your air conditioning unit could freeze over, or it can cause your heat pump to freeze.

To reset your air conditioner, start by turning it off at the thermostat. Then, shut off power to the AC system at the circuit breaker. Next, find the “reset” button on your AC unit and hold it for three to five seconds. The unit should beep several times. If your air conditioner doesn’t have a reset button, leave the circuit breaker off for 30 minutes. Afterward, turn the power back on at the breaker and program the thermostat to “cool” to test the system.

The South Grafton, MA 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.

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