51 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Nepean: Strukt Solutions, CR Score 89/100; 5.0★ from 157 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Green Minds Building, posts 24/7 hours; ranked #4 of 51.
Most-reviewed: RPM Home Services, 508 Google reviews at 4.6★, the most of 51 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
51 Nepean insulation contractors are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 20 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.9★ across 51 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Strukt Solutions | 89 | 5.0★ (157) | Ottawa, 11 km away | Sat · Sun · Evenings | Overall |
| 2 | Panda Insulation | 87 | 4.8★ (162) | Ottawa, 11 km away | Sat · Sun · Evenings | — |
| 3 | Insulation Ottawa - Jarrah Contracting Services | 87 | 4.9★ (121) | Ottawa, 11 km away | Sat · Sun · Evenings | — |
| 4 | Green Minds Building | 86 | 4.5★ (16) | Nepean | 24/7 | Emergencies |
| 5 | MMP Home Solutions Inc. | 85 | 5.0★ (20) | Nepean | Sat · Sun · Evenings | — |
| 6 | Ottawa Insulations | 84 | 5.0★ (198) | Ottawa, 21 km away | Sat | — |
| 7 | Great Northern Insulation | 83 | 4.7★ (361) | Nepean | — | — |
| 8 | Bison Insulation | 82 | 5.0★ (38) | Nepean | Sat | — |
| 9 | RPM Home Services | 82 | 4.6★ (508) | Ottawa, 1 km away | — | Most reviews |
| 10 | Asbestos Removal Ottawa - AUCOIN'S | 82 | 4.4★ (7) | Ottawa, 14 km away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 157 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 11 km away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 162 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 11 km away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 121 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean
Ranked #4 because of its Google rating and availability: 4.5★ from 16 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean
Ranked #5 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 21 km away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 198 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean
Ranked #7 because of its Google rating and trade focus: 4.7★ from 361 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean
Ranked #8 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 1 km away
Ranked #9 because of its Google rating and review volume: 4.6★ from 508 Google reviews, the most Google reviews on this list (508).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 14 km away
Ranked #10 because of its Google rating and availability: 4.4★ from 7 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean
Ranked #11 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Nepean
Ranked #12 because of its Google rating and trade focus: 4.9★ from 116 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 18 km away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 80 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Clarence-Rockland, 11 km away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 9 km away
Ranked #15 because of its Google rating and trade focus: 3.9★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 16 km away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kanata, 14 km away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Kanata, 21 km away
Ranked #18 because of its Google rating and review volume: 4.7★ from 243 Google reviews, 243 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean
Ranked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Ottawa, 16 km away
Ranked #20 because of its Google rating and review volume: 4.9★ from 322 Google reviews, 322 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kanata, 13 km away
Ranked #21 because of its Google rating and availability: 4.9★ from 30 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean
Ranked #22 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 7 km away
Ranked #23 because of its Google rating and trade focus: 4.3★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean
Ranked #24 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 6 km away
Ranked #25 because of its Google rating and trade focus: 4.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 51 ranked insulation contractors here; the rest are on their profiles.
20 more insulation contractors within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 613 Spray Foam | 5.0★ (2) | 16 km |
| A&'Q INC | In Nepean | |
| Active Environmental Safety | 5.0★ (1) | In Nepean |
| Alpine Insulation Ltd | 1.0★ (1) | In Nepean |
| Best Energy Conservation Inc. - Meilleure Énergie Services à Domicile Inc. | 4.2★ (21) | In Nepean |
| Canadain Coat Insulation | 5.0★ (1) | In Nepean |
| Dalmen Pro Windows and Doors | 4.3★ (68) | In Nepean |
| Energy Tech Solutions Ltd | 5.0★ (2) | 40 km |
| GT Spray Foam Insulation | 5.0★ (1) | In Nepean |
| Home & Garden RONA / Merivale | 4.2★ (1,296) | In Nepean |
| Merritt Drywall Systems Inc. | In Nepean | |
| Metal Roof Ottawa | 4.2★ (19) | In Nepean |
| Noon's Touch | 4.8★ (22) | In Nepean |
| RGZ CAMBRIDGE | 4.2★ (5) | In Nepean |
| Roofmart | 4.7★ (35) | In Nepean |
| Serco Construction Ltd | In Nepean | |
| SerCo Construction Ltd | 3.0★ (8) | In Nepean |
| Spray Foam Ottawa - Insulation Contractor | In Nepean | |
| The Anything Guys Inc. | 4.8★ (35) | In Nepean |
| Verdun Windows and Doors | 4.7★ (469) | In Nepean |
US national ranges converted to CAD, not adjusted for Nepean. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Attic insulation | CA$2,390 | CA$2,950 | CA$3,510 | Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 51 Nepean insulation contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Nepean data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |