136 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Cottage Lake: Eastside Exterminators, CR Score 62/100; 4.9★ from 2,159 Google reviews; open Saturdays until 4 PM.
Best for emergencies (open 24/7): Energy Saver Solutions Inc - HVAC & Insulation W Seattle, posts 24/7 hours; ranked #9 of 136.
Most-reviewed: EcoShield Pest Solutions, 6,519 Google reviews at 4.6★, the most of 136 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
136 Cottage Lake insulation contractors are ranked here by CR Score, from ten published factors. 10 are open 24/7, 82 open Saturdays and 36 open Sundays, based on posted hours. The median Google rating is 4.9★ across 136 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Eastside Exterminators | 62 | 4.9★ (2,159) | Woodinville, 4 mi away | Sat | Overall |
| 2 | USA Insulation of North Puget Sound | 59 | 4.9★ (84) | Kirkland, 5 mi away | Sat · Sun · Evenings | — |
| 3 | Attic Projects | 59 | 4.9★ (534) | Everett, 17 mi away | Sat · Sun · Evenings | — |
| 4 | GoodMonsters Pest Control | 58 | 4.9★ (453) | Woodinville, 4 mi away | — | — |
| 5 | Super Attic Solutions | 58 | 4.9★ (172) | Kirkland, 6 mi away | Sun | — |
| 6 | EcoShield Pest Solutions | 57 | 4.6★ (6,519) | Tukwila, 22 mi away | Sat | Most reviews |
| 7 | Bothell Insulation Pros | 57 | 5.0★ (27) | Bothell, 5 mi away | Sat · Sun · Evenings | — |
| 8 | Attic Projects | 57 | 4.9★ (740) | Kent, 25 mi away | Sat · Sun | — |
| 9 | Energy Saver Solutions Inc - HVAC & Insulation W Seattle | 57 | 5.0★ (191) | Seattle, 19 mi away | 24/7 | Emergencies |
| 10 | Attic Doctor | 57 | 4.9★ (201) | Bellevue, 11 mi away | Sun | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 2,159 Google reviews, listed on Google as “Insulation contractor”.
Based in Kirkland, 5 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 84 Google reviews, listed on Google as “Insulation contractor”.
Based in Everett, 17 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 534 Google reviews, listed on Google as “Insulation contractor”.
Based in Woodinville, 4 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 453 Google reviews, listed on Google as “Insulation contractor”.
Based in Kirkland, 6 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 172 Google reviews, listed on Google as “Insulation contractor”.
Based in Tukwila, 22 mi away
Ranked #6 because of its Google rating and review volume: 4.6★ from 6,519 Google reviews, the most in Cottage Lake.
Based in Bothell, 5 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Insulation contractor”.
Based in Kent, 25 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 740 Google reviews, listed on Google as “Insulation contractor”.
Based in Seattle, 19 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 191 Google reviews, listed on Google as “Insulation contractor”.
Based in Bellevue, 11 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 201 Google reviews, listed on Google as “Insulation contractor”.
Based in Seattle, 14 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 256 Google reviews, listed on Google as “Insulation contractor”.
Based in Kirkland, 5 mi away
Ranked #12 because of its Google rating and trade focus: 4.4★ from 407 Google reviews, listed on Google as “Insulation contractor”.
Based in Lynnwood, 12 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 752 Google reviews, listed on Google as “Insulation contractor”.
Based in Alderwood Manor, 10 mi away
Ranked #14 because of its Google rating and trade focus: 4.6★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based in Bainbridge Island, 15 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 902 Google reviews, listed on Google as “Insulation contractor”.
Based in Alderwood Manor, 6 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 272 Google reviews, listed on Google as “Insulation contractor”.
Based in Renton, 18 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 246 Google reviews, listed on Google as “Insulation contractor”.
Based in Kirkland, 6 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based in Mountlake Terrace, 11 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based in Bothell, 8 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Insulation contractor”.
Based in Woodinville, 4 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 91 Google reviews, listed on Google as “Insulation contractor”.
Based in Bothell, 5 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 100 Google reviews, listed on Google as “Insulation contractor”.
Based in Everett, 17 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Insulation contractor”.
Based in Redmond, 6 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based in Seattle, 10 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Insulation contractor”.
#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 136 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.
National price ranges in USD, not adjusted for Cottage Lake. 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 136 Cottage Lake 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 Cottage Lake 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 |