13 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Kingston: Kingston Spray Foam Insulation, CR Score 63/100; 4.9★ from 213 Google reviews.
Most-reviewed: BDK Foam Insulation Inc., 50 Google reviews at 4.8★, the most of 13 ranked after Kingston Spray Foam Insulation; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
13 Kingston insulation contractors are ranked here by CR Score, from ten published factors. 1 open Saturdays, based on posted hours. The median Google rating is 4.9★ across 13 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Kingston Spray Foam Insulation | 63 | 4.9★ (213) | Kingston | — | Overall |
| 2 | Kingston's Insulating Solutions | 60 | 4.8★ (19) | Kingston | — | — |
| 3 | Ecocomfort Spray Foam Insulation | 59 | 5.0★ (33) | Kingston | Evenings | — |
| 4 | BDK Foam Insulation Inc. | 59 | 4.8★ (50) | Kingston | — | Most reviews |
| 5 | Felix Patry Insulation Ltd | 58 | 4.9★ (27) | Kingston | — | — |
| 6 | G&R Energy Management Solutions | 56 | 5.0★ (4) | Kingston | — | — |
| 7 | Reitzel Bros. Insulation | 56 | 4.9★ (34) | Napanee, 27 km away | Sat | — |
| 8 | Interprovincial Insulation Inc | 56 | 4.8★ (13) | Kingston | — | — |
| 9 | Kingston Spray Foam Insulation | 54 | 5.0★ (4) | Kingston | — | — |
| 10 | R Factor Inc. | 52 | 4.8★ (18) | Prince Edward, 29 km away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.9★ from 213 Google reviews, the most in Kingston.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingston
Ranked #2 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Kingston
Ranked #3 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingston
Ranked #4 because of its Google rating and trade focus: 4.8★ from 50 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingston
Ranked #5 because of its Google rating and trade focus: 4.9★ from 27 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingston
Ranked #6 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Napanee, 27 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingston
Ranked #8 because of its Google rating and trade focus: 4.8★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingston
Ranked #9 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Prince Edward, 29 km away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Napanee, 38 km away
Ranked #11 because of its Google rating and trade focus: 4.3★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingston
Ranked #12 because of its Google rating and review volume: 4.4★ from 14 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Napanee, 38 km away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
13 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 |
|---|---|---|
| Active Environmental Safety | In Kingston | |
| Atkinson Home Hardware Building Centres - Kingston | 4.3★ (257) | In Kingston |
| B & C Spray foam Applications | 38 km | |
| Clera Windows + Doors Kingston | 4.9★ (97) | In Kingston |
| Comfort Rich Insulation Ltd | 1.0★ (1) | In Kingston |
| Eco Solutions Spray Foam | 3.0★ (2) | In Kingston |
| Insulation Kingston | In Kingston | |
| J & J Insulating | 40 km | |
| K B Homes Ltd | 4.1★ (30) | In Kingston |
| Kingston Home Services by Enercare | 4.9★ (2,867) | In Kingston |
| MGP Insulation | 17 km | |
| Reitzel Brothers Insulation | In Kingston | |
| The Window Centre | 4.8★ (50) | In Kingston |
US national ranges converted to CAD, not adjusted for Kingston. 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 13 Kingston insulation contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Kingston data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |