33 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Bellingham: Arrow Insulation, CR Score 59/100; 4.8★ from 92 Google reviews.
Most-reviewed: GoodMonsters Pest Control, 487 Google reviews at 4.9★, the most of 33 ranked; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
33 Bellingham insulation contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7, 12 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.8★ across 33 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Arrow Insulation | 59 | 4.8★ (92) | Bellingham | — | Overall |
| 2 | The Insulation Company | 59 | 4.9★ (62) | Bellingham | — | — |
| 3 | Environmental Insulation and Contracting LLC | 55 | 4.5★ (22) | Bellingham | — | — |
| 4 | Western Insulation Ltd | 55 | 4.9★ (71) | Coquitlam, 23 mi away | Sat | — |
| 5 | Wolf Spray Foam Inc. | 54 | 4.7★ (25) | Surrey, 25 mi away | Sat · Sun · Evenings | — |
| 6 | Insulation Co Inc | 54 | 5.0★ (39) | Mount Vernon, 25 mi away | Sat | — |
| 7 | Ash Insulation | 53 | 5.0★ (15) | Blaine, 11 mi away | — | — |
| 8 | Coast Insulation | 53 | 4.5★ (21) | Ferndale, 12 mi away | — | — |
| 9 | Envirosmart Solution | 53 | 4.9★ (13) | Bellingham | Sat · Sun | — |
| 10 | Classic Pest Control & Insulation | 52 | 4.8★ (65) | Mount Vernon, 24 mi 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: 4.8★ from 92 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bellingham
Ranked #2 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bellingham
Ranked #3 because of its Google rating and trade focus: 4.5★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coquitlam, 23 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 71 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Surrey, 25 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 25 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Blaine, 11 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ferndale, 12 mi away
Ranked #8 because of its Google rating and trade focus: 4.5★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bellingham
Ranked #9 because of its Google rating and trade focus: 4.9★ from 13 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 24 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 65 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Abbotsford, 22 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Langley, 24 mi away
Ranked #12 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 White Rock, 21 mi away
Ranked #13 because of its Google rating and review volume: 5.0★ from 54 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 25 mi away
Ranked #14 because of its Google rating and review volume: 4.9★ from 487 Google reviews, the most in Bellingham.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Abbotsford, 20 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Abbotsford, 21 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ 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 Ferndale, 14 mi away
Ranked #17 because of its Google rating and review volume: 4.8★ from 149 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Abbotsford, 24 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anacortes, 21 mi away
Ranked #19 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 Mount Vernon, 24 mi away
Ranked #20 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 Surrey, 22 mi away
Ranked #21 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 Abbotsford, 22 mi away
Ranked #22 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 21 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Abbotsford, 20 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Langley, 23 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #33, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | General Plus Insulation, LLC | 48 | 5.0★ (4) | 21 mi |
| 27 | Rainshield Roofing & Construction Inc | 48 | 4.3★ (42) | 8 mi |
| 28 | Park Derochie Inc. | 47 | 4.0★ (4) | 21 mi |
| 29 | Direct Roofing - Fraser Valley Residential & Commercial Roofing Contractor | 47 | 4.3★ (55) | 21 mi |
| 30 | Whatcom Enterprises and Services | 46 | 4.7★ (3) | In Bellingham |
| 31 | ICU'S Attic Insulation & Roofing Services Inc, WA | 46 | 4.7★ (3) | 21 mi |
| 32 | Greenfoot Energy Solutions | 45 | 4.5★ (67) | 23 mi |
| 33 | Urban Environmental ltd. Asbestos & Mold Removal Langley | 45 | 3.7★ (3) | 25 mi |
17 more insulation contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Bellingham Insulation | In Bellingham | |
| BSM'S Attic Insulation & Roofing Services Inc, WA | 5.0★ (2) | 22 mi |
| Ecologic Spray Foam Insulation | 23 mi | |
| Four Seasons Insulation | 24 mi | |
| Four Seasons Insulation | 24 mi | |
| GRP Attic Insulation & Roofing Services Anacortes ,WA | 5.0★ (2) | 18 mi |
| Hudson Bay Insulation | 1.0★ (1) | 24 mi |
| Isolate Insulation | 20 mi | |
| J Calman Industries LLC | 5.0★ (2) | 8 mi |
| Mendoza's Insulation LLC | 5.0★ (1) | 25 mi |
| Nothing But Caps Ltd | 25 mi | |
| Speedy insulation | 5.0★ (1) | 24 mi |
| Storm Drywall Inc. | 5.0★ (1) | 23 mi |
| Tasman Industries Ltd | 5.0★ (1) | 21 mi |
| TBH Attic Insulation & Roofing Services Anacortes ,WA | 5.0★ (1) | 18 mi |
| Topchoice Insulation LLC | 5.0★ (2) | 21 mi |
| Urban Environmental ltd. Asbestos & Mold Removal Abbotsford | 1.0★ (2) | 25 mi |
National price ranges in USD, not adjusted for Bellingham. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Attic insulation | $1,700 | $2,100 | $2,500 | Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range | October 2026 |
We scored 33 Bellingham 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 Bellingham 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 |