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TRUSTED BY SPENCERPORT, NY HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon98
    Verified insulation services reviews

Top-Rated Insulation pros in Spencerport - Updated Nov 2026

John Betlem Heating & Cooling Inc - Electrical
4.7(
157
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade+1 more

Serving Spencerport, NY and surrounding areas

Approved (Corporate)

In business since 1941

Free estimates

Emergency services offered

John Betlem Heating & Cooling is a 3rd generation company founded in 1941. They provide Residential HVAC, Electrical and Insulation Services to Rochester, NY and the surrounding towns. John?s slogan that still holds true today is to do ?whatever it takes? to satisfy customers. \n \nJohn Betlem is a premier family operated solutions provider, passionately committed to the health, safety, and comfort for all they serve.

12 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Jag Insulation
Jag Insulation
3.8(
9
)
Spray Foam Insulation - Install

Serving Spencerport, NY and surrounding areas

Approved

In business since 1978

Free estimates

Credit card accepted

"Jag installed spray foam in the basement, air sealed the attic, and sprayed fiberglass in the attic. The work was done as scheduled. The obviously experienced crew was fast and friendly. The cleanup was great. I definitely would recommend Jag."
Project Photos
35 neighbors recently requested a quote
Recommended by100%of homeowners
Mr. Sprayfoam, Inc.
4.5(
27
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - Install

Serving Spencerport, NY and surrounding areas

In business since 2000

Free estimates

Credit card accepted

"Mark was very professional and gave a complete explanation of the estimate and work involved. while only one man showed up on the date scheduled for insulation, he completed the exterior walls foam insulation work including the interior basement rim in the day as promised and was very courteous and thorough. I have noticed quite an improvement in the warmth of my home and especially since we have had 2 very cold weeks since Christmas. negative degrees! I am very pleased with the company and the work."
Response time2 days
Recommended by95%of homeowners
Avatar for John Betlem Heating & Cooling Inc
John Betlem Heating & Cooling Inc
4.7(
152
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Spencerport, NY and surrounding areas

In business since 1941

Free estimates

Emergency services offered

"From the date of the estimate to the actual installation everything was great. Very professional group. Some of the nicest people as far as contractors I have had in my house. Very clean and very polite. All work was done in a professional and clean manner. Arrived on time and finished when they said they would."
Additional Photos
Recommended by94%of homeowners
Airtight Services, Inc.
4.4(
36
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Spencerport, NY and surrounding areas

In business since 2006

Free estimates

Warranties offered

"I hired Airtight to spray foam insulate my rim joists and add to/correct the existing insulation in my attic. Ryan conducted the free home energy audit and was very prompt in following up with an estimate. He was very honest about the work I needed done and I was incredibly pleased with him and the crew's professionalism. I highly recommend reaching out to Airtight to see where they can help you."
Wood Siding
Vinyl Siding
From Interior
Recommended by96%of homeowners
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Insulation FAQs, answered by experts

Spray foam insulation doesn’t do well around heat sources. Therefore, You can use spray foam insulation to seal around HVAC boots that penetrate through the drywalls or around where wrapped ducts connect to the boots, but we don’t recommend using spray foam insulation to encapsulate your air ducts. Spray foam insulation on air ducts is also less effective compared to duct wraps.

Ductwork should be wrapped in insulation in certain locations. This includes unconditioned interior parts of the home, such as attics, crawl spaces, basement ceilings, and between floors. Duct joints should also be insulated since they're more likely to leak air than other parts of your system. Building codes in some areas also require ductwork to be insulated.

Although the cost might seem high, winterizing your home is important for your health and the structural integrity of your home. Winterizing will keep your home warm and toasty during the cold months and prolong the life of your appliances, windows, pipes, sprinkler system, pool, and more. 

The ideal temperature for your garage in the winter is between 40 and 68 degrees Fahrenheit. Maintaining a minimum temperature of at least 40 to 50 degrees is crucial to prevent pipes, liquids, and other items from freezing. Low temperatures can also drain your car battery, so keeping the garage stable is vital for your vehicle. While the lower end of the range protects your belongings, the higher end is based on your personal preference for a comfortable space. If you struggle to keep the temperature from dropping below 40 degrees, consider installing a garage heater.

The lifespan of crawl space insulation depends on how well you maintain your insulation and the type of insulation. Fiberglass will need replacing every 15 to 20 years on average if you don't have a vapor barrier in place. If you do have vapor barriers in place, then your insulation could last much longer. Spray foam insulation can last anywhere from 80 to 100 years. 

The Spencerport, NY homeowners’ guide to insulation services

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