38 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Kitchener: O'Dwyer Insulation, CR Score 86/100; 5.0★ from 195 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Elemental Restoration, posts 24/7 hours; ranked #2 of 38.
Most-reviewed: Home Service Solutions, 792 Google reviews at 4.7★, the most of 38 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
38 Kitchener insulation contractors are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 16 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.8★ across 38 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | O'Dwyer Insulation | 86 | 5.0★ (195) | Guelph, 23 km away | Sat · Sun · Evenings | Overall |
| 2 | Elemental Restoration | 85 | 4.9★ (108) | Brantford, 35 km away | 24/7 | Emergencies |
| 3 | Home Service Solutions | 84 | 4.7★ (792) | Kitchener | Sat · Sun · Evenings | Most reviews |
| 4 | Tri-City Spray Foam | 84 | 4.7★ (29) | Kitchener | Sat · Sun · Evenings | — |
| 5 | The Caulk King | 83 | 4.8★ (24) | Kitchener | Sat · Sun · Evenings | — |
| 6 | Insulate Today | 83 | 5.0★ (67) | Norfolk County, 28 km away | Sat · Sun · Evenings | — |
| 7 | Reitzel Insulation | 82 | 4.9★ (405) | Waterloo, 9 km away | — | — |
| 8 | KINA Construction | 81 | 5.0★ (41) | Guelph, 25 km away | Sat · Sun | — |
| 9 | Fase Two Insulation | 79 | 5.0★ (119) | Cambridge, 17 km away | — | — |
| 10 | Arch Property Solutions | 78 | 5.0★ (5) | Cambridge, 11 km away | Sat · Sun · Evenings | — |
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 195 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brantford, 35 km away
Ranked #2 because of its Google rating and availability: 4.9★ from 108 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kitchener
Ranked #3 because of its Google rating and review volume: 4.7★ from 792 Google reviews, the most Google reviews on this list (792).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kitchener
Ranked #4 because of its Google rating and trade focus: 4.7★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kitchener
Ranked #5 because of its Google rating and trade focus: 4.8★ from 24 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 #6 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waterloo, 9 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 405 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Guelph, 25 km away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cambridge, 17 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 119 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cambridge, 11 km away
Ranked #10 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 Kitchener
Ranked #11 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kitchener
Ranked #12 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cambridge, 17 km away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 73 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kitchener
Ranked #14 because of its Google rating and availability: 4.5★ from 37 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kitchener
Ranked #15 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brant, 13 km away
Ranked #16 because of its Google rating and trade focus: 4.7★ 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 Kitchener
Ranked #17 because of its Google rating and trade focus: 4.2★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waterloo, 8 km away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kitchener
Ranked #19 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kitchener
Ranked #20 because of its Google rating and availability: 5.0★ from 22 Google reviews, open Saturdays until 5 PM.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Norfolk County, 6 km away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waterloo, 8 km away
Ranked #22 because of its Google rating and availability: 4.2★ from 19 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kitchener
Ranked #23 because of its Google rating and trade focus: 4.7★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cambridge, 15 km away
Ranked #24 because of its Google rating and review volume: 4.7★ from 312 Google reviews, 312 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Woodstock, 35 km away
Ranked #25 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.
#1 to #25 are shown in full above. Here are #26 to #38, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Big Country Insulation | 71 | 5.0★ (7) | 38 km |
| 27 | Straight Arrow Roofing | 70 | 4.6★ (84) | 39 km |
| 28 | HB BuildPro Supplies | 70 | 5.0★ (15) | 16 km |
| 29 | Just Foam Insulation | 70 | 3.7★ (3) | In Kitchener |
| 30 | AM Group Exteriors - Kitchener | 69 | 4.1★ (138) | In Kitchener |
| 31 | Victory Insulation KW inc | 68 | 5.0★ (3) | 13 km |
| 32 | Crossroads C & I | 67 | 4.5★ (13) | In Kitchener |
| 33 | LNS Insulation | 67 | 4.8★ (5) | 31 km |
| 34 | Foundation Building Materials | 65 | 4.2★ (12) | 11 km |
| 35 | Horizon Contracting | 65 | 4.9★ (11) | 15 km |
| 36 | AlumaSafway Hamilton | 65 | 2.3★ (3) | 32 km |
| 37 | Progress Aluminum & Insulation Ltd | 60 | 3.0★ (6) | 39 km |
| 38 | Cutting Edge Construction | 59 | 4.8★ (4) | 37 km |
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.
US national ranges converted to CAD, not adjusted for Kitchener. 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 38 Kitchener 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 Kitchener 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 |