17 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Stratford: Tri-City Spray Foam, CR Score 79/100; 4.7★ from 29 Google reviews; open 7 days a week.
Most-reviewed: Hometown Heating and Cooling, 827 Google reviews at 4.9★, the most of 17 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
17 Stratford insulation contractors are ranked here by CR Score, from 8 published factors. 5 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.8★ across 17 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Tri-City Spray Foam | 79 | 4.7★ (29) | Kitchener, 39 km away | Sat · Sun · Evenings | Overall |
| 2 | Reitzel Insulation | 78 | 4.9★ (405) | Waterloo, 38 km away | — | — |
| 3 | Forever Foam Insulation Inc. | 75 | 4.9★ (18) | Norfolk County, 14 km away | — | — |
| 4 | Woodstock Spray Foam Insulation | 74 | 5.0★ (6) | Woodstock, 31 km away | Sat · Evenings | — |
| 5 | Hometown Heating and Cooling | 73 | 4.9★ (827) | Ingersoll, 36 km away | — | Most reviews |
| 6 | Titanium Insulation Inc. | 72 | 5.0★ (26) | Kitchener, 39 km away | — | — |
| 7 | Grand River Insulation | 71 | 5.0★ (16) | Waterloo, 37 km away | — | — |
| 8 | Van Moorsel H Insulation | 71 | 3.8★ (18) | Huron East, 24 km away | — | — |
| 9 | Home Service Solutions | 71 | 4.2★ (19) | Waterloo, 36 km away | Sat · Sun · Evenings | — |
| 10 | LVL 5 Contracting | 70 | 5.0★ (22) | Kitchener, 32 km away | Sat | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.7★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based in Waterloo, 38 km away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 405 Google reviews, listed on Google as “Insulation contractor”.
Based in Norfolk County, 14 km away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based in Woodstock, 31 km away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based in Ingersoll, 36 km away
Ranked #5 because of its Google rating and review volume: 4.9★ from 827 Google reviews, the most Google reviews on this list (827).
Based in Kitchener, 39 km away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based in Waterloo, 37 km away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based in Huron East, 24 km away
Ranked #8 because of its Google rating and trade focus: 3.8★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based in Waterloo, 36 km away
Ranked #9 because of its Google rating and availability: 4.2★ from 19 Google reviews, open 7 days a week.
Based in Kitchener, 32 km away
Ranked #10 because of its Google rating and availability: 5.0★ from 22 Google reviews, open Saturdays until 5 PM.
Based in Huron East, 24 km away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Kitchener, 39 km away
Ranked #12 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 7 days a week.
Based in Kitchener, 37 km away
Ranked #13 because of its Google rating and trade focus: 4.2★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based in Stratford
Ranked #14 because of its Google rating and trade focus: 3.0★ from 6 Google reviews, listed on Google as “General contractor”.
Based in Stratford
Ranked #15 because of its Google rating and trade focus: 4.8★ from 4 Google reviews, listed on Google as “Roofing contractor”.
Based in Kitchener, 32 km away
Ranked #16 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based in Kitchener, 36 km away
Ranked #17 because of its Google rating and review volume: 4.1★ from 138 Google reviews, 138 Google reviews.
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 |
|---|---|---|
| Aeroseal | 37 km | |
| Bauer & Bauer Contractors Ltd | 5.0★ (2) | 29 km |
| Brant Insulation | 40 km | |
| Canadian Sprayed Insulation | 34 km | |
| Dannemann Insulation | 3.0★ (2) | 38 km |
| Echo Solutions Group | 14 km | |
| Frenchy's Insulation | 5.0★ (1) | 31 km |
| Golden Gate Spray Foam & Fire Proofing | 5.0★ (2) | 40 km |
| Grand River Insulation | 23 km | |
| Insulation Ingersoll | 37 km | |
| Irvine Contracting Inc | 3.0★ (2) | 39 km |
| Mcloughlin Treasures | 26 km | |
| P-S Drywall & Insulation Services Ltd | In Stratford | |
| Perth Drywall | 5.0★ (3) | In Stratford |
| Sherk Jesse Insulating | 24 km | |
| Strong Foam Insulation | 5.0★ (1) | 39 km |
| Titanium Insulation Inc. | 35 km |
US national ranges converted to CAD, not adjusted for Stratford. 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 17 Stratford 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 Stratford 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 |