Greenfoot Energy
Verified Pro
5.0
Insulation Services in St. John's, NL
Compare 27 insulation services contractors near you in St. John's and surrounding area with an average rating of 4.5/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 22, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
Other Businesses in This Area
EFI Group Ltd
Healthy Home Spray Foam
Air-Tite Sheet Metal Ltd
5.0All Weather Insulators NL
5.0AlumaSafway
5.0~9 years onlineAluma Systems (Industrial Services)
5.0Complete Drywall Systems Limited
5.0Industrial Scaffolding Inc
5.013+ years onlineMulti-Glass Insulation Ltd.
5.0~30 years onlineDEHTEROV Services - Renovations and Design
4.71½+ years onlineHickey's Timber Mart
4.5Insulation Solutions Inc
4.49½+ years onlinePrincess Auto
4.430 years onlineCore Contracting Inc
4.3Industrial Commercial Supplies
4.3Kent Building Supplies - Contractor Supply
4.2Other Services in St. John's
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Insulation Services in St. John's, NL
St. John's NL insulation upgrades pay back fast because NL maritime climate runs cold and damp 10 months a year and NL Hydro electric rates are climbing. Most pre-1990 St. John's homes have R-12 to R-20 attics — well below the modern R-60 target. Air sealing before insulation matters. NL Hydro rebates available. NeedInstall connects you with St. John's insulation contractors who handle NL Hydro paperwork, blower-door testing, and proper detailing for Atlantic conditions.
St. John's attic top-up to R-60: $2,500-$6,000 CAD. Wall dense-pack: $5,000-$11,000 retrofit. Basement spray-foam: $5-$8 per board foot. NL requires a contractor's license. NL Hydro rebates available. Blower-door test ($300-$500) often required.
Frequently Asked Questions
- Worth on electric heat?
- Definitely — NL Hydro rates make heating expensive.
- NL Hydro rebate?
- Available for qualifying upgrades.
- Atlantic conditions?
- Air-sealing critical to prevent moisture migration.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across St. John's and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.