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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

In some cases, yes, insulating an unheated garage can lead to mold and mildew. The issue with insulating a garage is that the interior will warm up and cool down more slowly than the exterior air, which can cause condensation inside the space. Where there is moisture, there is likely to be mold and mildew over time. Installing a vapor barrier can help avoid moisture and mildew problems in an insulated garage.

Although it’s not required, air ventilation in a finished basement can help improve the air quality, prevent moisture and mold issues, keep musty odors away, and also maintain the air quality throughout the rest of your home. Proper ventilation will help maintain the value of your investment in finishing your basement. Try basement ventilation methods like installing vents or a dehumidifier for best results.

Depending on the item, several different materials are beneficial for long-term storage. Bubble wrap and plastic wrap help ensure delicate ceramics or furniture are safe and secure. High-quality moving boxes made of durable materials like plastic also help ensure the longevity of your storage, as cardboard will degrade faster over time.

Cellulose insulation is usually made from recycled paper products, such as old newspapers, but cellulose might also contain recycled denim. While most homeowners traditionally buy cellulose insulation to use for installation, it is possible to make your own at home with old newspapers, cardboard, a paper shredder, and boric acid (important for fireproofing your cellulose insulation materials).

The cost of installing spray foam insulation is $2,760 on average, but this cost can be as low as $650 or as high as $7,700. The main cost factor is the size of the insulated area and the type of spray foam insulation. 

Polyurethane spray foam costs between $0.44 and $1.50 per board foot, where a board foot is equal to the volume of a one-foot length of a board. More expensive options, like soybean or vegetable oil spray foam, range from $1.50 to $3.00 per board foot.

The Spencerport, NY homeowners’ guide to insulation services

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