18 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Oak Bay: Advance Insulation Canada, CR Score 61/100; 5.0★ from 45 Google reviews; open Saturdays until 6 PM.
Most-reviewed: Alpine Insulation, 111 Google reviews at 4.7★, the most of 18 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
18 Oak Bay insulation contractors are ranked here by CR Score, from ten published factors. 5 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.8★ across 18 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Advance Insulation Canada | 61 | 5.0★ (45) | Victoria, 8 km away | Sat | Overall |
| 2 | Alpine Insulation | 61 | 4.7★ (111) | Victoria, 7 km away | — | Most reviews |
| 3 | EcoTek Spray Foam Ltd | 60 | 4.8★ (20) | Victoria, 5 km away | Sat · Sun | — |
| 4 | Top Fill Insulation Ltd. | 60 | 4.6★ (30) | Colwood, 5 km away | Sun | — |
| 5 | Knights Insulation LTD | 57 | 4.3★ (43) | Victoria, 5 km away | — | — |
| 6 | Steel City Drywall Ltd. | 57 | 4.7★ (87) | Colwood, 10 km away | Sat · Sun | — |
| 7 | Van Island Insulation | 55 | 5.0★ (3) | Victoria, 1 km away | Sat · Evenings | — |
| 8 | CE Spray Foam Solutions Inc. | 54 | 4.9★ (21) | Salt Spring Island, 24 km away | — | — |
| 9 | Greenfoot Energy Solutions | 54 | 4.9★ (102) | Langford, 15 km away | — | — |
| 10 | C & C Insulation Inc. | 54 | 5.0★ (7) | Victoria, 7 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 trade focus: 5.0★ from 45 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Victoria, 7 km away
Ranked #2 because of its Google rating and review volume: 4.7★ from 111 Google reviews, the most in Oak Bay.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Victoria, 5 km away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 5 km away
Ranked #4 because of its Google rating and trade focus: 4.6★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Victoria, 5 km away
Ranked #5 because of its Google rating and trade focus: 4.3★ from 43 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 10 km away
Ranked #6 because of its Google rating and review volume: 4.7★ from 87 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Victoria, 1 km away
Ranked #7 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.
Based in Salt Spring Island, 24 km away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Langford, 15 km away
Ranked #9 because of its Google rating and review volume: 4.9★ from 102 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Victoria, 7 km away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Victoria, 17 km away
Ranked #11 because of its Google rating and trade focus: 4.4★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Salt Spring Island, 34 km away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Victoria, 15 km away
Ranked #13 because of its Google rating and trade focus: 4.0★ 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 Victoria, 7 km away
Ranked #14 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.
Based in Victoria, 22 km away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 10 km away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Victoria, 15 km away
Ranked #17 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Dry wall contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colwood, 18 km away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
9 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 |
|---|---|---|
| Alliance Insulation Ltd | 11 km | |
| Glacier Insulation Ltd | 1.0★ (1) | 7 km |
| Gordon 'N' Gordon Interiors Ltd. | 17 km | |
| Happy Home Insulation | 3 km | |
| Island Sprayfoam | 7 km | |
| T Bear Insulation Ltd. | 15 km | |
| Van Isle Cork Coating | 5.0★ (1) | In Oak Bay |
| Victoria Insulation - Top Trade Insulation and Attic | 12 km | |
| Webb & Hamilton Installations Ltd | 5.0★ (1) | 6 km |
US national ranges converted to CAD, not adjusted for Oak Bay. 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 18 Oak Bay 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 Oak Bay 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 |