Great Northern Insulation
InsulationNepean, ON
4.7(411)on Googlerating as of Oct 21, 2026Great Northern Insulation is an insulation contractor in Nepean, ON, listed on Ottawa Service Directory. Services listed: Residential insulation retrofit, Attic insulation, and Basement insulation, plus 1 more. It lists 1 Ottawa service area: Nepean. On Oct 21, 2026, its Google rating was 4.7 stars from 411 reviews. Ottawa Service Directory compiled this from public sources and last updated this profile on Oct 21, 2026. Confirm scope and pricing with the business before you book.
- rating (411 reviews)
- 4.7 rating (411 reviews)
- areas served
- 1 areas served
- services
- 4 services
Profile updated Oct 21, 2026. Ratings and reviews are from Google. Confirm details with the business.
About Great Northern Insulation
Great Northern Insulation is an insulation contractor in Nepean, Ottawa. Rated 4.7 from 411 Google reviews.
Services Great Northern Insulation offers
- Residential insulation retrofit
- Attic insulation
- Basement insulation
- Spray foam insulation
Areas Great Northern Insulation serves
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Request a quote from Great Northern Insulation
Describe the job and we pass your request to Great Northern Insulation. They reply to you directly. Free, no obligation.
Common questions about Great Northern Insulation
What does Great Northern Insulation do?
Great Northern Insulation is listed on Ottawa Service Directory under Insulation, based in Nepean, ON. The services named on this profile are Residential insulation retrofit, Attic insulation, Basement insulation, and Spray foam insulation. That list is the business's own description of its work, taken from its public listing, so confirm scope and pricing with Great Northern Insulation before booking.
Which parts of Ottawa does Great Northern Insulation serve?
Great Northern Insulation lists 1 service area on this profile: Nepean. Service areas come from the business's own listing rather than from us, and a business can take work outside the areas it lists, so confirm coverage for your address when you contact Great Northern Insulation.
How do I contact Great Northern Insulation?
Use the quote form on this profile. Describe the job and Ottawa Service Directory passes your request on to Great Northern Insulation. It is free and there is no obligation. Its listed address is 15 Corvus Ct, Nepean, ON K2E 7Z4, Canada. This listing was compiled from public sources and last updated on Oct 21, 2026. Direct contact details are shown once the owner claims the listing.
How is Great Northern Insulation rated?
Great Northern Insulation holds a 4.7 rating from 411 Google reviews, recorded as of Oct 21, 2026. Ottawa Service Directory republishes that figure from Google and does not collect, moderate or weight reviews of its own. Ratings move as new reviews arrive, so check Google for the current number before you decide.
When is Great Northern Insulation open?
Great Northern Insulation lists these hours on this profile: Monday: 8 a.m.-4:30 p.m.; Tuesday: 8 a.m.-4:30 p.m.; Wednesday: 8 a.m.-4:30 p.m.; Thursday: 8 a.m.-4:30 p.m.; Friday: 8 a.m.-4:30 p.m.; Saturday: Closed; Sunday: Closed. Hours are as recorded when the profile was last updated on Oct 21, 2026 and can change on holidays or at short notice, so call ahead before travelling.
Can I request a quote from Great Northern Insulation through Ottawa Service Directory?
Yes. The quote form on this page passes your job description to Ottawa Service Directory, and we pass it on to Great Northern Insulation. It is free and there is no obligation. Ottawa Service Directory does not carry out the work, take payment or set prices.
Before you hire
What should you check before hiring an insulation contractor in Ottawa?
Home Renovation Savings, delivered by Save on Energy and Enbridge Gas, publishes which insulation upgrades qualify for a rebate and on what terms, which is worth reading before a contractor quotes the job. Ottawa Service Directory is a listings site, not a regulator: we publish what a business reports about itself, so confirm what applies to your job with the source below and with Great Northern Insulation before work starts.
Source: Save on Energy: Home Renovation Savings program. Checked 2026-08-24. Rules and thresholds change, so confirm before work starts.
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