
Insulation Services in Ottawa, ON
Compare 23 insulation services contractors near you in Ottawa and surrounding area with an average rating of 4.7/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated April 2, 2026
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Insulation Services in Ottawa, ON
Ottawa insulation contractors in this directory cover the Glebe, Westboro, Kanata, Orleans, Barrhaven, and surrounding Ottawa-Gatineau region. Ontario's harsh winters (-25°C design temps) demand R-50+ attics. Most pre-2000 Ottawa homes have R-30 to R-40 of settled batts — topping up with blown cellulose runs $1.80-$2.80 CAD per sq ft. Closed-cell foam in basements runs $5-$8/sq ft at 2 inches.
Hydro Ottawa and Enbridge Gas cover most Ottawa utilities. Enbridge HER+ ($1,000-$10,000) and Greener Homes Grant ($2,500-$5,600) stack significantly.
Frequently Asked Questions
- What R-value should my Ottawa attic have?
- OBC SB-12 prescribes R-60 in attics.
- Should I encapsulate my Ottawa basement?
- Yes — closed-cell foam at 1.5-2 inches plus a fibreglass batt is standard.
- Are there big rebates?
- Enbridge HER+ ($1,000-$10,000), Greener Homes Grant ($2,500-$5,600), Canada Greener Homes Loan.
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NeedInstall helps connect customers with local installation professionals across Ottawa 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.


