170 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Mercer Island: EcoShield Pest Solutions, CR Score 61/100; 4.6★ from 6,519 Google reviews; open Saturdays until 1 PM.
Best for emergencies (open 24/7): Energy Saver Solutions Inc - HVAC & Insulation W Seattle, posts 24/7 hours; ranked #4 of 170.
Most-reviewed: Guardian Roofing, Gutters & Insulation, 3,072 Google reviews at 4.8★, the most of 170 ranked after EcoShield Pest Solutions; ranked #26.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
170 Mercer Island insulation contractors are ranked here by CR Score, from ten published factors. 11 are open 24/7, 102 open Saturdays and 45 open Sundays, based on posted hours. The median Google rating is 4.9★ across 170 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EcoShield Pest Solutions | 61 | 4.6★ (6,519) | Tukwila, 8 mi away | Sat | Overall |
| 2 | Attic Projects | 61 | 4.9★ (740) | Kent, 12 mi away | Sat · Sun | — |
| 3 | Eastside Exterminators | 60 | 4.9★ (2,159) | Woodinville, 12 mi away | Sat | — |
| 4 | Energy Saver Solutions Inc - HVAC & Insulation W Seattle | 60 | 5.0★ (191) | Seattle, 8 mi away | 24/7 | Emergencies |
| 5 | Insulation Co | 59 | 5.0★ (256) | Seattle, 5 mi away | Sat | — |
| 6 | Attic Doctor | 59 | 4.9★ (201) | Bellevue, 3 mi away | Sun | — |
| 7 | Energy Saver Solution LLC | 59 | 5.0★ (246) | Renton, 7 mi away | Sun · Evenings | — |
| 8 | Arrow Insulation | 59 | 4.9★ (902) | Bainbridge Island, 6 mi away | — | — |
| 9 | Super Attic Solutions | 58 | 5.0★ (85) | Renton, 4 mi away | Sun | — |
| 10 | Attic Star | 58 | 5.0★ (90) | Seattle, 5 mi away | Sun | — |
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: 4.6★ from 6,519 Google reviews, the most in Mercer Island.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kent, 12 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 740 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Woodinville, 12 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 8 of 10 factors; credentials and recency not yet collected.
Based in Seattle, 8 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 191 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seattle, 5 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 256 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bellevue, 3 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 201 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Renton, 7 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 246 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bainbridge Island, 6 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 902 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Renton, 4 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 85 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seattle, 5 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 90 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kirkland, 10 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 84 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kirkland, 10 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 172 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tukwila, 8 mi away
Ranked #13 because of its Google rating and review volume: 4.8★ from 1,359 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bainbridge Island, 6 mi away
Ranked #14 because of its Google rating and trade focus: 4.5★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tukwila, 8 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Federal Way, 21 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 187 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bainbridge Island, 8 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 91 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sumner, 23 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 1,060 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kent, 14 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 427 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Woodinville, 12 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 453 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in City of Sammamish, 4 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Kent, 11 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 102 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 19 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 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 42 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bainbridge Island, 3 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 54 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 #50, in CR Score order; each links to its profile. We publish the top 50 of 170 ranked insulation contractors here; the rest are on their profiles.
20 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 |
|---|---|---|
| America insulation and spray foam llc & drywall | 1.0★ (2) | 10 mi |
| Builders' Insulation | 3.5★ (2) | 20 mi |
| Burnham Insulation | 5.0★ (2) | 17 mi |
| CozySpan Dynamics | In Mercer Island | |
| Crawl Kings | 1.0★ (2) | 16 mi |
| Expert Skilled Attics and Crawls | 5.0★ (2) | 5 mi |
| FRA Attic Insulation & Roofing Services Co, WA | 5.0★ (2) | 4 mi |
| Harrington Insulation | 5.0★ (2) | 10 mi |
| Irex Argus Contracting | 4.0★ (2) | 9 mi |
| KINE Attic Insulation & Roofing Services Washington | 5.0★ (2) | 6 mi |
| LATI Attic Insulation & Roofing Services Inc, WA | 5.0★ (2) | 10 mi |
| Luna Insulation and General Contractor LLC | 5.0★ (2) | 16 mi |
| M.A.C. Construction | 5.0★ (2) | 16 mi |
| Maple Valley Energy Solutions | 1.0★ (2) | 6 mi |
| Petrochem Insulation, Inc. | 5.0★ (2) | 23 mi |
| Reliable Drywall & Paint | In Mercer Island | |
| Spray Foam Insulation Today of Federal Way | 5.0★ (2) | 19 mi |
| Therm-All | 5.0★ (2) | 9 mi |
| VEC Attic Insulation & Roofing Services Inc , WA | 4.5★ (2) | 22 mi |
| ZND-BAL Attic-Solution & Insulation's & Roofing Service Lynnwood, WA | 5.0★ (2) | 17 mi |
National price ranges in USD, not adjusted for Mercer Island. 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 170 Mercer Island 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 23, 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 Mercer Island 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 |