10 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Grants Pass: Indoor Airman, CR Score 85/100; 4.8★ from 86 Google reviews.
Most-reviewed: Hoag Roofing, 38 Google reviews at 4.7★, the most of 10 ranked after Indoor Airman; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
10 Grants Pass insulation contractors are ranked here by CR Score, from 8 published factors. 3 open Saturdays, based on posted hours. The median Google rating is 4.8★ across 10 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Indoor Airman | 85 | 4.8★ (86) | Grants Pass | — | Overall |
| 2 | Grants Pass Drywall & Insulation | 83 | 4.9★ (23) | Grants Pass | Sat | — |
| 3 | Southern Oregon Insulation & Weatherization | 82 | 4.4★ (20) | Grants Pass | Sat | — |
| 4 | Signature Insulation | 80 | 5.0★ (27) | Medford, 23 mi away | Sat · Evenings | — |
| 5 | JNG Insulation Pros | 76 | 5.0★ (5) | White City, 24 mi away | — | — |
| 6 | All Foam & Insulation | 75 | 5.0★ (22) | White City, 24 mi away | — | — |
| 7 | Gale Contractor Services | 74 | 4.7★ (18) | Medford, 23 mi away | — | — |
| 8 | A A Insulation Co | 72 | 4.6★ (11) | Medford, 24 mi away | — | — |
| 9 | Home Insulation Co., Inc. | 70 | 4.2★ (5) | Central Point, 23 mi away | — | — |
| 10 | Hoag Roofing | 68 | 4.7★ (38) | Central Point, 24 mi away | — | Most reviews |
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 review volume: 4.8★ from 86 Google reviews, the most Google reviews on this list (86).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Grants Pass
Ranked #2 because of its Google rating and trade focus: 4.9★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Grants Pass
Ranked #3 because of its Google rating and trade focus: 4.4★ from 20 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Medford, 23 mi away
Ranked #4 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 White City, 24 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in White City, 24 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Medford, 23 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Medford, 24 mi away
Ranked #8 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Central Point, 23 mi away
Ranked #9 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Central Point, 24 mi away
Ranked #10 because of its Google rating and review volume: 4.7★ from 38 Google reviews, 38 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Grants Pass. 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 10 Grants Pass 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 Grants Pass 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 |