159 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Bellevue: Attic Projects, CR Score 86/100; 4.9★ from 740 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Energy Saver Solutions Inc - HVAC & Insulation W Seattle, posts 24/7 hours; ranked #2 of 159.
Most-reviewed: EcoShield Pest Solutions, 6,519 Google reviews at 4.6★, the most of 159 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
159 Bellevue insulation contractors are ranked here by CR Score, from 8 published factors. 10 are open 24/7, 94 open Saturdays and 40 open Sundays, based on posted hours. The median Google rating is 5.0★ across 159 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Attic Projects | 86 | 4.9★ (740) | Kent, 14 mi away | Sat · Sun | Overall |
| 2 | Energy Saver Solutions Inc - HVAC & Insulation W Seattle | 86 | 5.0★ (191) | Seattle, 9 mi away | 24/7 | Emergencies |
| 3 | Eastside Exterminators | 86 | 4.9★ (2,159) | Woodinville, 9 mi away | Sat | — |
| 4 | USA Insulation of North Puget Sound | 84 | 4.9★ (84) | Kirkland, 7 mi away | Sat · Sun · Evenings | — |
| 5 | Attic Doctor | 84 | 4.9★ (201) | Bellevue | Sun | — |
| 6 | Insulation Co | 84 | 5.0★ (256) | Seattle, 5 mi away | Sat | — |
| 7 | Spray Foam Insulation Today of Seattle | 84 | 4.5★ (13) | Bainbridge Island, 7 mi away | 24/7 | — |
| 8 | Valentine Roofing | 84 | 4.8★ (1,359) | Tukwila, 11 mi away | 24/7 | — |
| 9 | EcoShield Pest Solutions | 83 | 4.6★ (6,519) | Tukwila, 11 mi away | Sat | Most reviews |
| 10 | Koala Insulation of East King County | 83 | 5.0★ (22) | City of Sammamish, 3 mi away | — | — |
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: 4.9★ from 740 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Seattle, 9 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 191 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Woodinville, 9 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 2,159 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kirkland, 7 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 84 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bellevue
Ranked #5 because of its Google rating and trade focus: 4.9★ from 201 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Seattle, 5 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 256 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bainbridge Island, 7 mi away
Ranked #7 because of its Google rating and availability: 4.5★ from 13 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Tukwila, 11 mi away
Ranked #8 because of its Google rating and availability: 4.8★ from 1,359 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Tukwila, 11 mi away
Ranked #9 because of its Google rating and review volume: 4.6★ from 6,519 Google reviews, the most Google reviews on this list (6,519).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in City of Sammamish, 3 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Burien, 4 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 124 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Renton, 9 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 246 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mountlake Terrace, 13 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 11 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Everett, 25 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 534 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Auburn, 22 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 34 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bellevue
Ranked #16 because of its Google rating and availability: 5.0★ from 43 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kirkland, 7 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 172 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Federal Way, 24 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 187 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Tukwila, 11 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bothell, 11 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kirkland, 7 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Renton, 7 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 85 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Alderwood Manor, 19 mi away
Ranked #23 because of its Google rating and availability: 4.6★ from 22 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Seattle, 8 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 90 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bainbridge Island, 7 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 902 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Bellevue. 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 159 Bellevue 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 Bellevue 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 |