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TRUSTED BY PRINCETON, MA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon154
    Verified heating and air conditioning services reviews

Verified Reviews for Heating And Air Conditioning Service pros in Princeton, MA

*The Angi rating for Heating And Air Conditioning Service companies in Princeton, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Princeton, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on August 26, 2026

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

Avatar for Emerald HVAC LLC
Emerald HVAC LLC
4.9(
16
)
Central A/C - Service or RepairHeat Pump - Repair or ServiceHeat Pump - Repair or Service - For Business

Serving Princeton, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Small jobs welcome

"Customer service was good, stayed in contact with me and updated me on arrival time of technician. Technician was courteous, professional, and gave good insight on how to maintain system, helped troubleshoot some things. Looking forward to working with Emerald HVAC again."
Response time1 day
Response rate93%
30 neighbors recently requested a quote
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Avatar for Dr. Clean-Air Restoration
Dr. Clean-Air Restoration
4.9(
99
)
Air Ducts & Vents - Clean

Serving Princeton, MA and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"Prompt response from initial quote request to showing up to do the work. Work was explained prior to start and any questions that I asked during the cleaning were professionally answered."
Before
After
Response time1 day
1 neighbors recently requested a quote
Recommended by98%of homeowners
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Avatar for Everclean Air LLC
Everclean Air LLC
4.8(
43
)
Air Ducts & Vents - Clean

Serving Princeton, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"Great !! Gabriel was on time and went right to work. He took pictures of duct work before and after. He supplied my wife and I N95 masks to wear during the cleaning keeping us safe. Gabriel was a true professional."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

Response time7 hrs
Response rate100%
7 neighbors recently requested a quote
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Avatar for Duct Kings
Duct Kings
4.7(
410
)
Air Ducts & Vents - Clean

Serving Princeton, MA and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Emergency services offered

"Duct Kings came to clean out a dryer vent. They were very quick with their work and did a great job. They even documented the job with before and after pictures and videos which we appreciated. I would highly recommend if you're looking for a fast and reliable duct company"
Additional Photos
Response time2 days
Response rate100%
16 neighbors recently requested a quote
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KERO HVAC
4.6(
32
)
Central A/C - Service or RepairDuctless Mini-split Heating System - Install or ReplaceHeat Pump - Repair or Service

Serving Princeton, MA and surrounding areas

Approved

In business since 2021

Free estimates

Customers say: Quick response

"Thought something was wrong with my Hvac system. Kero hvac called me and came out the next day. He was very honest and gave me great recommendations for my system. I would definitely recommend!"
Response time6 hrs
Response rate94%
Recommended by90%of homeowners
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Avatar for New England Quality Air Solutions
New England Quality Air Solutions
4.7(
296
)
Air Ducts & Vents - Clean

Serving Princeton, MA and surrounding areas

Approved

In business since 2005

Free estimates

Offers commercial services

"Excellent & friendly service, from the dispatcher to the technicians. I highly recommend this company for all of your vent cleaning needs."
Before Cleaning-Air Ducts
Air Duct - After Cleaning
Before-Air Duct Cleaning
Air Duct Cleaning
Before-Air Duct Cleaning-Commercial

+6

Recommended by98%of homeowners
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Avatar for VVS HVAC & Home Improvement Services LLC
VVS HVAC & Home Improvement Services LLC
5.0(
5
)
Heat Pump - Install or ReplaceCentral A/C - Service or RepairCentral A/C - Install+4 more

Serving Princeton, MA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of HVAC services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! \n

Boiler
Furnace installation
Furnace installation
Furnace installation
Furnace installation

+11

3 neighbors recently requested a quote
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Avatar for Landry Mechanical, Inc.- HVAC
Landry Mechanical, Inc.- HVAC
4.5(
107
)
Central A/C - Install

Serving Princeton, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Emergency services offered

Warranties offered

"Ray and his team replaced both of my 20 year old HVAC units and did a great job. Ray listened to my requirements and proposed HVAC units best suited for the attic and basement. Very happy having the same temperature throughout the house."
Mitsubishi Ductless
Furnace install
Water filtration
Stretching out during a hvac install
New heat pump and furnace

+50

Response time11 hrs
Response rate97%
14 neighbors recently requested a quote
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Avatar for Landry Mechanical, Inc.- Electrical
Landry Mechanical, Inc.- Electrical
4.5(
112
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Princeton, MA and surrounding areas

Approved

In business since 2008

Emergency services offered

Warranties offered

"Excellent service. They are now my new HVAC contractor."
Ductless Install
Various photos
Various photos
Various photos
Various photos

+52

Response time2 days
157 neighbors recently requested a quote
Recommended by80%of homeowners
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Avatar for Walshco LLC
Walshco LLC
5.0(
19
)
Oil Boiler or Radiator Heating System - RepairOil Furnace / Forced Air Heating System - Repair

Serving Princeton, MA and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"The company was extremely professional in terms of using the hose properly .They did everything in a timely manner. Very clean and efficient work! Excellent customer service all around!"
roth 275
roth 275
Roth 160 Gallon Tank
Response time9 hrs
Response rate100%
49 neighbors recently requested a quote
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Showing 1-10 of 332
Heating and Air Conditioning FAQs, answered by experts

An HVAC system typically lasts between 10 and 30 years, with an average lifespan of 15 to 25 years. The longevity of the system is influenced by factors such as the quality of the unit, usage frequency, local climate, and how well it is maintained. Regular maintenance, including cleaning, filter replacements, and professional inspections, can help maximize its lifespan. Different components within the system have varying life expectancies. For example:

  • Furnaces: 15 to 30 years

  • Boilers: 20 to 35 years

  • Air Conditioners (AC units): 12 to 20 years

  • Heat Pumps: 10 to 20 years

  • Ductless Mini-Splits: 10 to 30 years

Air conditioners can stop working in the middle of the night for many reasons. Your local power grid might shut down late at night. Power surges can also trip your breakers if too much power is being used in the area at the time. If your AC is connected to a digital thermostat, it gets naturally cooler at night, so the outdoor temperature might dip below the automated setting to turn the cooling system off.

Dry mode positively impacts indoor air quality by reducing excess moisture, which stops the growth of mold and mildew. By maintaining optimal humidity levels, dry mode creates a less hospitable environment for allergens and airborne pathogens, improving overall air quality. However, it's essential to ensure proper ventilation to prevent stale air accumulation.

Ideally, an AC system should never need more Freon (a popular refrigerant) because it circulates in a closed loop. However, refrigerant leaks are not uncommon and may occur gradually over 5 to 15 years. If your system has a leak, it will need to be topped up in a process known as an AC recharge. Signs of a refrigerant leak include weakened AC performance, increased humidity in your home, higher utility bills, and a hissing sound from the unit. The cost of an AC recharge will depend on the size and type of your AC unit, as well as the type of refrigerant it uses.

To diagnose a bad HVAC or AC damper, assess the airflow from your vents. For a manual damper, close it, run your system, and check for airflow. If air is still coming through the vents, the damper is likely faulty and needs repair or replacement. For an automatic damper, turn on your HVAC system and monitor the airflow and room temperature. Signs of a problem include low airflow, a room that won't maintain its set temperature, or a drafty feeling. If you suspect a faulty automatic damper, you may need to hire a professional for repairs.

The Princeton, 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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