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TRUSTED BY BETHLEHEM, PA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon117
    Verified insulation services reviews

Top-Rated Insulation pros in Bethlehem - Updated Nov 2026

Avatar for Lehigh Valley Insulation, Inc.
Lehigh Valley Insulation, Inc.
4.8(
106
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving Bethlehem, PA and surrounding areas

Approved

In business since 1996

Free estimates

Credit card accepted

"The garage ceiling was insulated by Lehigh Valley Insulation because our bedroom above the garage was always cold. After completing the job, we immediately felt the difference in the temperature of our bedroom. Thank you for such a great job."
Response time2 days
39 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for High Point Insulation LLC
High Point Insulation LLC
4.9(
11
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Bethlehem, PA and surrounding areas

Approved

In business since 2023

Free estimates

Small jobs welcome

"I can't say one thing bad about this business: very professional, reasonable price, and they cleaned up that you would not know they were ever here. I will certainly recommend to anyone adding insulation to their house and like us insulating the garage. Excellent job to Hassan and his team."
fiberglass attic top-up
fiberglass attic top-up
Soundproofing process
Soundproofing process
Soundproofing inside wall

+12

Response time1 day
Response rate97%
18 neighbors recently requested a quote
Avatar for RetroFoam of Philadelphia
RetroFoam of Philadelphia
5.0(
22
)
Spray Foam Insulation - InstallInjection Insulation - Install

Serving Bethlehem, PA and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"We are extremely satisfied with the whole process of our house being insulated. First we had the walls done, and then a couple weeks later we had our attic insulated. The crew were so nice, friendly, and knowledgeable. We are very satisfied with everything. Thank you, everyone."
RetroFoam Wall Insulation
Installing RetroFoam
RetroFoam with Siding
RetroFoam with Brick
Response time1 day
Response rate100%
121 neighbors recently requested a quote
Avatar for Atticrawl, LLC
Atticrawl, LLC
4.7(
18
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Bethlehem, PA and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

Welcome to Atticrawl, LLC \nWe pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

Attic Insulation
Attic Insulation
54 neighbors recently requested a quote
Recommended by62%of homeowners
Avatar for High Point Insulation, LLC
High Point Insulation, LLC
3.7(
3
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeSpray Foam Insulation - Install+2 more

Serving Bethlehem, PA and surrounding areas

Approved

In business since 2023

Free estimates

Warranties offered

"High Point Insulation, LLC is a trusted insulation contractor serving the greater Lehigh Valley, Pocono Township, and Central Jersey areas. We have 9 years experience and specialize in providing residential and commercial clients with superior insulation solutions."

4 neighbors recently requested a quote
Recommended by50%of homeowners
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Showing 1-10 of 57
Insulation FAQs, answered by experts

Excluding carpet, strand-woven bamboo provides excellent underfoot heat. Laminate flooring is also good for insulation and preventing cold feet in the winter. Bamboo tends to work better in climates that have more consistent temperatures, while laminate does a better job at insulating floors in homes that experience more extreme temperature changes, such as the deciduous climates of the northeastern U.S.

The best way to reduce heat upstairs is to release it by opening a window. Hot air rises, and if you can create some airflow by opening a window upstairs and also one on a lower level, the hot air should be pushed out of the home. Remember that fans pointing out the window do a much better job of circulating air than fans pointing into the home.

Yes, spray foam insulation can be applied to your ductwork and effectively insulate your ducts. Blanket insulation is the easiest insulation product to DIY since it is easy to wrap around ducts. However, spray foam insulation can also benefit your HVAC system if applied to air ducts.

The most energy-efficient windows are double—or triple-pane windows with low-emissivity (Low-E) coatings and gas fills between the panes. These windows reduce heat transfer, prevent drafts, and help maintain a consistent indoor temperature. But if replacing windows isn’t in your budget, pairing your existing windows with insulating window treatments can still make a noticeable difference in home comfort and monthly bills. 

Yes, usually you will need some kind of vapor barrier on the exterior walls when the framing is attached to concrete and masonry surfaces.

The Bethlehem, PA homeowners’ guide to insulation services

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