11 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Piñon Hills: Attic Projects, CR Score 59/100; 5.0★ from 168 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Alpha Insulation, posts 24/7 hours; ranked #3 of 11.
Most-reviewed: Quality Conservation Services - QCS, 365 Google reviews at 4.6★, the most of 11 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
11 Piñon Hills insulation contractors are ranked here by CR Score, from ten published factors. 3 are open 24/7, 7 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 5.0★ across 11 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Attic Projects | 59 | 5.0★ (168) | Rancho Cucamonga, 24 mi away | Sat · Sun · Evenings | Overall |
| 2 | Brad's Insulation | 57 | 4.9★ (94) | Azusa, 25 mi away | Sat · Sun · Evenings | — |
| 3 | Alpha Insulation | 57 | 5.0★ (19) | Adelanto, 18 mi away | 24/7 | Emergencies |
| 4 | Priority Attic Insulation | 56 | 4.6★ (47) | Glendora, 24 mi away | 24/7 | — |
| 5 | Quality Conservation Services - QCS | 50 | 4.6★ (365) | Victorville, 19 mi away | — | Most reviews |
| 6 | Simple Value Insulation | 50 | 5.0★ (4) | San Dimas, 25 mi away | Sat · Sun · Evenings | — |
| 7 | Guardian Termite and Pest Control | 49 | 5.0★ (4) | La Verne, 24 mi away | Sat | — |
| 8 | Precision Environmental | 49 | 4.8★ (19) | La Verne, 24 mi away | 24/7 | — |
| 9 | Apple Valley Insulation | 49 | 3.6★ (33) | Hesperia, 21 mi away | — | — |
| 10 | JK Insulation | 46 | 5.0★ (3) | Glendora, 24 mi away | — | — |
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: 5.0★ from 168 Google reviews, listed on Google as “Insulation contractor”.
Based in Azusa, 25 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “Insulation contractor”.
Based in Adelanto, 18 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based in Glendora, 24 mi away
Ranked #4 because of its Google rating and trade focus: 4.6★ from 47 Google reviews, listed on Google as “Insulation contractor”.
Based in Victorville, 19 mi away
Ranked #5 because of its Google rating and review volume: 4.6★ from 365 Google reviews, the most in Piñon Hills.
Based in San Dimas, 25 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based in La Verne, 24 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based in La Verne, 24 mi away
Ranked #8 because of its Google rating and review volume: 4.8★ from 19 Google reviews.
Based in Hesperia, 21 mi away
Ranked #9 because of its Google rating and trade focus: 3.6★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based in Glendora, 24 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based in Rancho Cucamonga, 23 mi away
Ranked #11 because of its Google rating and review volume: 5.0★ from 23 Google reviews.
13 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 |
|---|---|---|
| Artistic Drywall & Acoustic | 22 mi | |
| C 2 Insulation & Acoustical | 4.0★ (1) | 24 mi |
| Cal Cool Construction & Supply CSLB#678290 | 20 mi | |
| Gerrit Bomgaars | 18 mi | |
| Kiko's insulation corporation | 5.0★ (2) | 20 mi |
| Leader Insulation Service Victorville | 20 mi | |
| Lone Star | 5.0★ (2) | 20 mi |
| Paradise Thermal Solution | 22 mi | |
| Santos AC & Insulation | 5.0★ (1) | 20 mi |
| So Cal Attic Solutions | 20 mi | |
| So Cal Remodeling | 24 mi | |
| Whole House Insulation | 5.0★ (1) | 25 mi |
| Yocum Insulation Inc. | 5.0★ (2) | 24 mi |
National price ranges in USD, not adjusted for Piñon Hills. 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 11 Piñon Hills 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 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 Piñon Hills 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 |