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TRUSTED BY BOSTON, NY HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon262
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Boston - Updated Nov 2026

Avatar for Precision Heating & Cooling
Precision Heating & Cooling
4.8(
45
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Repair+47 more

Serving Boston, NY and surrounding areas

Approved

In business since 1985

Free estimates

Emergency services offered

"Fantastic - they came on time, did the job , cleaned up and actually sat down with me to make sure I had all the paperwork straight for the warranties and rebate. We couldn't ask for better service. Mike is a real gentlemen and helped us " above and beyond ". Shout out to Mary in the office , who made our scheduling and payment experience smooth . Nobody likes to have to replace an HVAC , but its very reassuring that when the weather hits freezing this winter, we will be warm and cozy with our new heating system. I would never go anywhere else. If I could give them A++ , I would!"
Response time8 hrs
6 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Pure Aircare, LLC
Pure Aircare, LLC
4.6(
123
)
Air Ducts & Vents - Clean

Serving Boston, NY and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

"Excellent job cleaning furnace air ducts. They are priced a little higher than others but well worth it. It took just under 3 hours of work for our 25 yr old ranch which had never had ducts cleaned before. You get what you pay for in service. The Techs à ¢à  à ¦. Leigh & Nate did a fantastic job.."
Breathe The Diffenence
Home owner had severe allergies
The right tools to do the job properly
Caked on pet hair and renovation debris
Excessive dusting around the house?

+6

Response time3 hrs
65 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Emerald Heating and Cooling
Emerald Heating and Cooling
5.0(
6
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Repair+7 more

Serving Boston, NY and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

Emerald Heating & Cooling was founded in 2000 by Marty and Carrie Sheehan, who combine their strengths to offer great HVAC service to the local area.\n\nThe business began after founder Marty Sheehan worked for an HVAC company and trained under a wise technician who told him “be like the duck on the water.” By this, he meant that ducks always appear graceful and in control above the water, while below the surface they are trying hard to stay afloat. It’s a metaphor for working hard while doing a beautiful job, hustling without mistakes, and doing great work without the fuss.\n\nMarty has taken this mindset and applied it to every aspect of our business, from the logo to the mission. This is how we approach every job we do.

Gallery
Gallery
9 neighbors recently requested a quote
Avatar for Cellino Plumbing, Heating and Cooling
Cellino Plumbing, Heating and Cooling
4.0(
71
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service+24 more

Serving Boston, NY and surrounding areas

Approved

In business since 1995

Emergency services offered

Small jobs welcome

"Cellino is awesome. They saved the day when my basement flooded in 2018. So when a few weeks ago my parents (both in their 80's) had plumbing problems, they called me, and as their POA, it was a no-brainer. Cellino. I called and made an appointment. The two techs assigned to the job, Nick Piracci and Joseph Neuhaus knocked it out the park. I expected no less based on the service I received two years ago. They were awesome, friendly, patient, and professional. Answered all my questions, explained everything and even provided answers to questions I wouldn't know to ask. My parents informed me of one issue, but it turned out to be far more and they were all addressed. Given all that's going on these days with COVID-19 and the impact it has had on many businesses, it was such a comfort and relief to have Cellino take care of my parents plumbing issues. It was stress-free. I was able to work without wondering and worrying. My parents were very happy with the service delivered. And happy parents means happy POA. Cellino was referred to me, and they are officially my go-to for plumbing needs. Though I had different techs, it's nice to know that no matter who shows up, you can count on excellent customer service from beginning to end.. This includes the ladies in the office. Thanks Taylor! I highly recommend Cellino."
Sewer Camera Inspection
Excavator Digging the Exterior Hole
Fusing the New Sewer Line
Attaching the Bursting Head to the New Sewer Line
Sewer Bursting Machine in the Exterior Hole

+18

Response time11 hrs
Recommended by86%of homeowners
Avatar for Dynamic Electrical Solutions
Dynamic Electrical Solutions
4.5(
149
)
Thermostat - Repair or Reprogram

Serving Boston, NY and surrounding areas

Approved

In business since 2013

Emergency services offered

Warranties offered

"Very good work ethic. Went the extra mile for us. Returned our calls. Showed up when they said they would. I would hire them again for any additional electrical work we might need."
200 Amp Underground
200 Amp Underground
200 Amp Underground
200 Amp Underground
200 Amp Underground

+33

Response time1 day
24 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Frank's Mr. Plumber
Frank's Mr. Plumber
5.0(
8
)
Central A/C - InstallCentral A/C - Service or RepairHeat Pump - Install or Replace+5 more

Serving Boston, NY and surrounding areas

Approved (Corporate)

In business since 1985

Free estimates

Credit card accepted

You can always count on Frank's Mr. Plumber to get the job done right the first time. \n \nWe offer 24/7 service to our valued customers, including holidays and weekends, because we believe you deserve to live in comfort at all times. Please let us know how we can assist you with your plumbing needs.

Pipe Fitting
Washer & Dryer
Our Plumber, Leo!
Washer & Dryer
Toilet Clog

+7

370 neighbors recently requested a quote
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Heating and Air Conditioning FAQs, answered by experts

The cost to add Freon to an AC ranges from $100 to $350. It can increase up to $600 for large AC units requiring much more coolant. The cost also depends on how much refrigerant your unit needs. If only a small amount of Freon leaked out, your cost would be on the lower side. A complete replacement of all the required refrigerant can get expensive.

Deciding whether to replace just the AC coil or the entire system depends on the age of your unit and the overall cost. Replacing a coil is less expensive than a full system replacement, but it can still be a pricey repair. If your HVAC system is relatively new and still under warranty, or if the replacement cost is significantly lower than a new system, replacing the coil can be a worthwhile investment that restores efficiency and extends the unit's life. However, for older systems (nearing the end of their 10-15 year lifespan) or those with extensive damage, it is often more cost-effective to replace the entire AC unit. Mismatched coils in an older system can lead to inefficiency and future breakdowns, so a full replacement ensures optimal performance and avoids further costly repairs.

Set your house temperature between 55 and 85 degrees Fahrenheit while on vacation, depending on the season. If it’s winter, don’t go below 55 degrees. In the summer, the best AC temperature for energy savings is no higher than 85 degrees. You can save anywhere from 10% to 15% on your energy costs by adjusting the temperature while you’re away. If you have a smart thermostat, set up vacation modes for each season. On your way home, turn off vacation mode to allow the home to warm up or cool down before you arrive.

The length of an AC cycle depends on the settings in your thermostat and the unit you have. Central AC doesn't constantly run at full blast the way that a window unit does. A cooling cycle in most homes is 15 to 20 minutes. Then, the unit stays off for seven to 10 minutes to circulate the cold air in the house before the cycle repeats. It should repeat two or three times per hour. A short cycle lasts less than 10 minutes and then turns off.

No, you don’t need a ductless unit in every room. Ductless AC units don't work the way that window units do, where the air doesn't travel outside that room. The indoor air handlers all attach to the outdoor condenser. While the air doesn't travel the way that traditional ductwork would, the ductless AC units create zones so that one part of the home can be cooler than another. They can spread effectively enough that indoor units only need to be placed in main living areas.

The Boston, NY 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.