27 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ingersoll: Koala Insulation of London, CR Score 84/100; 5.0★ from 21 Google reviews; open 24/7.
Best for emergencies (open 24/7): Active Environmental Safety, posts 24/7 hours; ranked #14 of 27.
Most-reviewed: Hometown Heating and Cooling, 827 Google reviews at 4.9★, the most of 27 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
27 Ingersoll insulation contractors are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 9 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.7★ across 27 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Koala Insulation of London | 84 | 5.0★ (21) | London, 22 km away | 24/7 | Overall |
| 2 | Net Zero Insulation | 81 | 4.9★ (142) | London, 28 km away | Sat · Evenings | — |
| 3 | Hometown Heating and Cooling | 79 | 4.9★ (827) | Ingersoll | — | Most reviews |
| 4 | Great Northern Insulation | 79 | 4.7★ (368) | London, 22 km away | — | — |
| 5 | Canadian Spray Foam Systems Ltd. | 78 | 4.7★ (15) | London, 33 km away | Sat · Sun · Evenings | — |
| 6 | Advanced Basement Systems | 76 | 4.9★ (172) | London, 33 km away | — | — |
| 7 | Woodstock Spray Foam Insulation | 76 | 5.0★ (6) | Woodstock, 19 km away | Sat · Evenings | — |
| 8 | Home Choice Insulation | 75 | 5.0★ (5) | London, 29 km away | Sat · Sun | — |
| 9 | Big Country Insulation | 74 | 5.0★ (7) | Brant, 27 km away | Sat | — |
| 10 | London Star Drywall | 74 | 3.6★ (5) | London, 28 km away | — | — |
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 availability: 5.0★ from 21 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in London, 28 km away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 142 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ingersoll
Ranked #3 because of its Google rating and review volume: 4.9★ from 827 Google reviews, the most Google reviews on this list (827).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in London, 22 km away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 368 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in London, 33 km away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in London, 33 km away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 172 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Woodstock, 19 km away
Ranked #7 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 London, 29 km away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brant, 27 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in London, 28 km away
Ranked #10 because of its Google rating and trade focus: 3.6★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Aylmer, 26 km away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in London, 33 km away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in London, 27 km away
Ranked #13 because of its Google rating and trade focus: 2.7★ from 27 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in London, 29 km away
Ranked #14 because of its Google rating and availability: 4.3★ from 6 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Norfolk County, 22 km away
Ranked #15 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 London, 34 km away
Ranked #16 because of its Google rating and trade focus: 4.6★ from 57 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Norfolk County, 34 km away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in London, 22 km away
Ranked #18 because of its Google rating and trade focus: 4.2★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in London, 29 km away
Ranked #19 because of its Google rating and trade focus: 4.2★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in St. Thomas, 39 km away
Ranked #20 because of its Google rating and trade focus: 4.5★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Norfolk County, 28 km away
Ranked #21 because of its Google rating and trade focus: 3.9★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in London, 37 km away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in London, 35 km away
Ranked #23 because of its Google rating and review volume: 5.0★ from 34 Google reviews, 34 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in London, 29 km away
Ranked #24 because of its Google rating and review volume: 4.5★ from 42 Google reviews, 42 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in London, 33 km away
Ranked #25 because of its Google rating and review volume: 4.0★ from 254 Google reviews, 254 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #27, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Progress Aluminum & Insulation Ltd | 62 | 3.0★ (6) | 36 km |
| 27 | Cutting Edge Construction | 60 | 4.8★ (4) | 40 km |
17 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 |
|---|---|---|
| 1,2 Seal Insulation Inc. | 9 km | |
| 4Point Home Solutions | 5.0★ (1) | 34 km |
| Attic Loose Fill Solutions | 5.0★ (1) | 19 km |
| Brant Insulation | 36 km | |
| Dicola (Drywall) Interiors Limited | 39 km | |
| Dreamz Drywall & Contracting | 5.0★ (3) | In Ingersoll |
| Echo Solutions Group | 34 km | |
| Frenchy's Insulation | 5.0★ (1) | 14 km |
| HotRockPanels | 5.0★ (2) | 23 km |
| Insulation Contractors London | 5.0★ (1) | 31 km |
| Insulation Ingersoll | In Ingersoll | |
| London Spray Foam | 5.0★ (2) | 28 km |
| Mcloughlin Treasures | 18 km | |
| Net Zero Insulation | 31 km | |
| P-S Drywall & Insulation Services Ltd | 39 km | |
| Paulray insulation | 29 km | |
| Tornado Insulation | 33 km |
US national ranges converted to CAD, not adjusted for Ingersoll. 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 27 Ingersoll 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 Ingersoll 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 |