Top-rated insulation pros.

Get matched with top insulation pros in Portland, ME

Enter your zip and get matched with up to 5 pros

Need a pro for your insulation service project in Portland, ME?

Select your specific project to find the pro for you.

TRUSTED BY PORTLAND, ME HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon89
    Verified insulation services reviews

Find Insulation pros in Portland

Insulation Systems of ME
4.5(
2
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Portland, ME and surrounding areas

Approved

In business since 2020

Free estimates

Offers commercial services

Here at Insulation Systems of ME, I pride myself on my professionalism, as well as my ability to complete every job to the homeowner's total satisfaction. I never leave a job unfinished, or a homeowner not 100% satisfied with my level of service - Call today!

Cathederal
Dense Pack Fiberglass
Dense Pack Fiberglass
Dense Pack Fiberglass
Dense pack fiberglass

+2

Response time3 days
8 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for EcoFit Insulation LLC
EcoFit Insulation LLC
New to Angi
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving Portland, ME and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

Ecofit Insulation provides high-quality retrofit insulation services for homeowners in the Portland suburbs and lakes region of Maine. We assess your home as a whole system and recommend what will make the biggest impact for your comfort, energy savings, and budget. Every project is custom, focused on long-term value—not upsells.\n\nWe're led by a BPI Certified Building Analyst with years of hands-on experience, and we participate in the Efficiency Maine program to help reduce your out-of-pocket costs. From attics and walls to basements and crawlspaces, our crew takes real pride in doing the job right. Our culture is built around accountability, high standards, and making the process clear, honest, and easy from start to finish.\n\nPlease note: We do not offer services for mobile or manufactured homes.

Response time2 days
Response rate95%
32 neighbors recently requested a quote
Avatar for Orkin
Orkin
New to Angi
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Portland, ME and surrounding areas

Approved

In business since 1901

Free estimates

Warranties offered

Did you know that Orkin does Insulation? Our more than 100 years of pest control experience began in 1901 by then fourteen-year-old Otto Orkin. In that , we've become a leader Pest Control as well as an expert Home Insulation. Orkin - We can help energize your home. \n

Schulz Precision Builders, LLC
New to Angi
Injection Insulation - InstallSpray Foam Insulation - Install

Serving Portland, ME and surrounding areas

Approved

In business since 2009

Free estimates

Schulz Precision Builders LLC is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

Response time2 days
...
Showing 1-10 of 63
Insulation questions, answered by experts

In Portland, insulation project success depends on addressing persistent moisture from coastal rains, selecting insulation materials with the right R-value for local temperature swings, and ensuring continuous air sealing to combat wind-driven drafts. For historic Portland homes, upgrading attic insulation and adding vapor barriers are crucial. Proper ventilation and resolving any dampness or condensation issues before installation help maximize energy efficiency and long-term performance.

Helpful?

When reviewing insulation quotes in Portland, beware of vague estimates lacking details on attic insulation, air sealing, or moisture control. Quotes recommending R-values below Portland’s standards or omitting weatherization steps are concerning. Unusually fast timelines, missing written warranties, or professionals unfamiliar with Portland’s climate challenges—like heavy rainfall—should also raise concerns. Always request recent local references and clear breakdowns of materials and labor.

Helpful?

When hiring insulation pros in Portland, prioritize those with experience in local building codes and older home retrofits. Ask about their knowledge of energy efficiency upgrades, attic insulation techniques, and weatherization best practices. Confirm they offer warranties on both installation and materials. It’s also important they understand Portland’s moisture concerns and can recommend solutions that address damp basements and fluctuating seasonal temperatures.

Helpful?

In Portland, signs your insulation may need replacement include higher energy bills, persistent drafts, cold spots, or ice dams during winter. Check for less than 12 inches of attic insulation, visible moisture damage, or insulation that’s settled or compacted. If your insulation is over 15 years old or lacks vapor barriers in damp areas, it’s wise to have a local expert assess your home’s current energy efficiency and weatherization needs.

Helpful?

In Portland, you can improve energy efficiency by sealing small gaps with caulk or spray foam, weather-stripping drafty windows and doors, and adding foam gaskets to electrical outlets. Use a dehumidifier in damp areas and address minor leaks promptly, especially in basements prone to moisture. Always wear protective gear and use ladders on stable surfaces. If you find mold, outdated wiring, or structural issues, contact a Portland pro immediately.

Helpful?

The Portland, ME homeowners’ guide to insulation services

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