24 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Mentone: NexGen HVAC & Plumbing, CR Score 91/100; 4.7★ from 1,769 Google reviews; open 24/7.
Best for emergencies (open 24/7): Gopher Patrol, posts 24/7 hours; ranked #2 of 24.
Most-reviewed: RKM Heating and Air Conditioning, 1,073 Google reviews at 4.9★, the most of 24 ranked after NexGen HVAC & Plumbing; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
24 Mentone insulation contractors are ranked here by CR Score, from 8 published factors. 6 are open 24/7, 16 open Saturdays and 15 open Sundays, based on posted hours. The median Google rating is 4.8★ across 24 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | NexGen HVAC & Plumbing | 91 | 4.7★ (1,769) | Riverside, 15 mi away | 24/7 | Overall |
| 2 | Gopher Patrol | 86 | 4.9★ (182) | Riverside, 24 mi away | 24/7 | Emergencies |
| 3 | Attic Projects | 83 | 5.0★ (168) | Rancho Cucamonga, 25 mi away | Sat · Sun · Evenings | — |
| 4 | My Insulation Guy | 82 | 4.9★ (155) | Riverside, 24 mi away | Sat · Sun · Evenings | — |
| 5 | RKM Heating and Air Conditioning | 82 | 4.9★ (1,073) | Riverside, 13 mi away | 24/7 | Most reviews |
| 6 | Y&S Attic Insulation | 82 | 5.0★ (18) | San Bernardino, 10 mi away | Sat · Sun · Evenings | — |
| 7 | NexGen HVAC & Plumbing | 82 | 4.8★ (708) | Fontana, 21 mi away | 24/7 | — |
| 8 | Ameriwest Home Services | 80 | 5.0★ (203) | Riverside, 21 mi away | Sat | — |
| 9 | Attic Advisor | 80 | 5.0★ (37) | Riverside, 24 mi away | Sat · Sun · Evenings | — |
| 10 | All Type Insulation Services, Inc | 78 | 5.0★ (20) | Riverside, 24 mi away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.7★ from 1,769 Google reviews, the most Google reviews on this list (1,769).
Based in Riverside, 24 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 182 Google reviews, open 24/7.
Based in Rancho Cucamonga, 25 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 168 Google reviews, listed on Google as “Insulation contractor”.
Based in Riverside, 24 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 155 Google reviews, listed on Google as “Insulation contractor”.
Based in Riverside, 13 mi away
Ranked #5 because of its Google rating and review volume: 4.9★ from 1,073 Google reviews, 1,073 Google reviews.
Based in San Bernardino, 10 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based in Fontana, 21 mi away
Ranked #7 because of its Google rating and availability: 4.8★ from 708 Google reviews, open 24/7.
Based in Riverside, 21 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 203 Google reviews, listed on Google as “Insulation contractor”.
Based in Riverside, 24 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Insulation contractor”.
Based in Riverside, 24 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Insulation contractor”.
Based in Calabasas, 6 mi away
Ranked #11 because of its Google rating and availability: 4.6★ from 122 Google reviews, open 7 days a week.
Based in Anaheim, 16 mi away
Ranked #12 because of its Google rating and review volume: 4.9★ from 373 Google reviews, 373 Google reviews.
Based in San Jacinto, 23 mi away
Ranked #13 because of its Google rating and availability: 4.6★ from 18 Google reviews, open 24/7.
Based in Riverside, 20 mi away
Ranked #14 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Ontario, 24 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based in Fontana, 21 mi away
Ranked #16 because of its Google rating and trade focus: 4.3★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based in Moreno Valley, 13 mi away
Ranked #17 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based in Riverside, 14 mi away
Ranked #18 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Colton, 12 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 25 Google reviews, open Sundays until 8 PM.
Based in Perris, 19 mi away
Ranked #20 because of its Google rating and availability: 3.7★ from 80 Google reviews, open 7 days a week.
Based in Anaheim, 18 mi away
Ranked #21 because of its Google rating and availability: 3.7★ from 6 Google reviews, open 24/7.
Based in Riverside, 12 mi away
Ranked #22 because of its Google rating and trade focus: 3.1★ from 34 Google reviews, listed on Google as “Insulation contractor”.
Based in Colton, 11 mi away
Ranked #23 because of its Google rating and trade focus: 4.2★ from 30 Google reviews, listed on Google as “Roofing contractor”.
Based in Riverside, 20 mi away
Ranked #24 because of its Google rating and review volume: 4.7★ from 44 Google reviews, 44 Google reviews.
National price ranges in USD, not adjusted for Mentone. 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 24 Mentone 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 Mentone 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 |