88/100CR Score
Ranked #1 because of its Google rating and availability: 4.7★ from 104 Google reviews, open 24/7.
- 4.7★ from 104 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3071 Monterey Rd suit b, San Jose, CA 95111
Best Insulation Contractors in Campbell, CA (2026)
67 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Campbell: Attic Pros, CR Score 88/100; 4.7★ from 104 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Los Gatos Top Insulation, posts 24/7 hours; ranked #2 of 67.
- 3
Most-reviewed: Service Champions, 3,407 Google reviews at 4.9★, the most of 67 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
67 Campbell insulation contractors are ranked here by CR Score, from 8 published factors. 24 are open 24/7, 45 open Saturdays and 44 open Sundays, based on posted hours. The median Google rating is 5.0★ across 67 rated businesses.
Most of this list also appears on the Insulation contractors in San Jose ranking. See Insulation contractors in San Jose
Top 10 insulation contractors in Campbell at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Attic Pros | 88 | 4.7★ (104) | San Jose, 6 mi away | 24/7 | Overall |
| 2 | Los Gatos Top Insulation | 88 | 4.9★ (86) | Los Gatos, 5 mi away | 24/7 | Emergencies |
| 3 | Service Champions | 88 | 4.9★ (3,407) | San Jose, 8 mi away | 24/7 | Most reviews |
| 4 | TRIO Heating, Air & Plumbing | 86 | 4.9★ (1,142) | San Jose, 6 mi away | 24/7 | — |
| 5 | 911 Attic Insulation | 86 | 5.0★ (19) | Fremont, 8 mi away | 24/7 | — |
| 6 | Attic City San Jose | 85 | 4.6★ (14) | San Jose, 2 mi away | 24/7 | — |
| 7 | Everlast Attic | 85 | 5.0★ (7) | San Jose, 2 mi away | 24/7 | — |
| 8 | Reactic Restoration | 84 | 5.0★ (16) | Palo Alto, 14 mi away | 24/7 | — |
| 9 | Attic Masters Insulation Services | 84 | 5.0★ (7) | Canoga Park, 5 mi away | 24/7 | — |
| 10 | Newhaus Roofing & Construction | 83 | 4.9★ (148) | San Jose, 4 mi away | 24/7 | — |
The 67 best insulation contractors in Campbell, ranked
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.
Based in Los Gatos, 5 mi away
88/100CR ScoreRanked #2 because of its Google rating and availability: 4.9★ from 86 Google reviews, open 24/7.
- 4.9★ from 86 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 15 Montebello Way, Los Gatos, CA 95030
Based in San Jose, 8 mi away
88/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 3,407 Google reviews, the most Google reviews on this list (3,407).
- 4.9★ from 3,407 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2161 Del Franco St, San Jose, CA 95131
Based in San Jose, 6 mi away
86/100CR ScoreRanked #4 because of its Google rating and availability: 4.9★ from 1,142 Google reviews, open 24/7.
- 4.9★ from 1,142 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1310 N 4th St, San Jose, CA 95112
Based in Fremont, 8 mi away
86/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 19 Google reviews, open 24/7.
- 5.0★ from 19 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in San Jose, 2 mi away
85/100CR ScoreRanked #6 because of its Google rating and availability: 4.6★ from 14 Google reviews, open 24/7.
- 4.6★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1530 Southwest Expy Suite 221, San Jose, CA 95126
Based in San Jose, 2 mi away
85/100CR ScoreRanked #7 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
- 5.0★ from 7 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1567 Alta Glen Dr suit 2, San Jose, CA 95125
Based in Palo Alto, 14 mi away
84/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 16 Google reviews, open 24/7.
- 5.0★ from 16 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 407 California Ave Unit 10, Palo Alto, CA 94306
Based in Canoga Park, 5 mi away
84/100CR ScoreRanked #9 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
- 5.0★ from 7 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in San Jose, 4 mi away
83/100CR ScoreRanked #10 because of its Google rating and availability: 4.9★ from 148 Google reviews, open 24/7.
- 4.9★ from 148 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 670 Coleman Ave, San Jose, CA 95110
Based in Redwood Shores, 2 mi away
83/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 11 Google reviews
- Hours
- Mon–Sun 7 AM–7:30 PM
Based in San Jose, 7 mi away
83/100CR ScoreRanked #12 because of its Google rating and availability: 4.8★ from 291 Google reviews, open 24/7.
- 4.8★ from 291 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 888 Faulstich Ct, San Jose, CA 95112
Based in Fremont, 15 mi away
83/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 11 Google reviews, open 24/7.
- 5.0★ from 11 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 44240 Fremont Blvd Suite 16, Fremont, CA 94538
Based in Mountain View, 10 mi away
83/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 34 Google reviews
- Hours
- Mon–Sun 9 AM–9 PM
- Address
- 472 Castro St, Mountain View, CA 94041
#15 Attic Star
Based in Redwood City, 19 mi away
83/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 156 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 156 Google reviews
- Hours
- Mon–Thu 7 AM–7:30 PM · Fri 7 AM–6 PM · Sat–Sun 7 AM–7:30 PM
- Address
- 2847 Middlefield Rd, Redwood City, CA 94063
Based in Saratoga, 3 mi away
83/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 8 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
- Address
- 12900 Saratoga Ave #B5, Saratoga, CA 95070
Based in Santa Clara, 7 mi away
82/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 14 Google reviews
- Hours
- Mon–Sun 9 AM–7 PM
- Address
- 3284 Edward Ave unit a, Santa Clara, CA 95054
Based in Ashland, 6 mi away
82/100CR ScoreRanked #18 because of its Google rating and availability: 5.0★ from 148 Google reviews, open 24/7.
- 5.0★ from 148 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#19 Trap Guard
Based in Redwood Shores, 15 mi away
82/100CR ScoreRanked #19 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
- 5.0★ from 13 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#20 Attic Elite
Based in Newark, 18 mi away
82/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 474 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 474 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat closed · Sun 8 AM–6 PM
- Address
- 37310 Cedar Blvd Suite H, Newark, CA 94560
Based in San Jose, 6 mi away
82/100CR ScoreRanked #21 because of its Google rating and availability: 4.6★ from 7 Google reviews, open 24/7.
- 4.6★ from 7 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 763 Mabury Rd # 30, San Jose, CA 95133
Based in San Jose, 7 mi away
82/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 52 Google reviews, open 24/7.
- 5.0★ from 52 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1721 Rogers Ave E, San Jose, CA 95112
Based in Fremont, 15 mi away
81/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 23 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun 9 AM–2 PM
- Address
- 3051 Quantum Dr #2411, Fremont, CA 94538
Based in San Carlos, 23 mi away
81/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 12 Google reviews, open 24/7.
- 5.0★ from 12 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 110 Glenn Way Suite #13, San Carlos, CA 94070
Based in Santa Clara, 7 mi away
81/100CR ScoreRanked #25 because of its Google rating and review volume: 4.8★ from 570 Google reviews, 570 Google reviews.
- 4.8★ from 570 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
- Address
- 3678 Bassett St, Santa Clara, CA 95054
How much do insulation contractors cost in Campbell?
National price ranges in USD, not adjusted for Campbell. 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 |
How we ranked Campbell insulation contractors
We scored 67 Campbell 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 Campbell 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 |
Insulation contractors in Campbell: frequently asked questions
Who is the best insulation contractor in Campbell?
By CR Score, the highest-ranked insulation contractor in Campbell, CA is Attic Pros with a CR Score of 88/100. It has 4.7★ from 104 Google reviews. It is open 24/7. Los Gatos Top Insulation (#2) and Service Champions (#3) follow. We ranked 67 insulation contractors on 8 factors, last updated October 22, 2026.
Which insulation contractors in Campbell are open 24/7?
24 ranked insulation contractors in Campbell post 24/7 hours. The highest-ranked are Attic Pros (#1), Los Gatos Top Insulation (#2) and Service Champions (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Campbell work on weekends?
45 of 67 ranked insulation contractors post Saturday hours and 44 post Sunday hours. The highest-ranked open Saturdays are Attic Pros (#1), Los Gatos Top Insulation (#2) and Service Champions (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Campbell?
Attic insulation typically costs $1,700 to $2,500, with $2,100 typical (Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range). This is a national range, not adjusted for Campbell. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Campbell insulation contractors have?
The median Google rating among 67 rated insulation contractors in Campbell is 5.0★, with a median of 16 reviews. Service Champions has the most, 3,407 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank insulation contractors?
Each insulation contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do insulation contractors outside Campbell count in this ranking?
Yes, if they are within 25 mi of the Campbell city center, our service radius for insulation contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Can insulation contractors pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Campbell
- October 2026: CR Scores recalculated for 67 insulation contractors serving Campbell.
More insulation contractors and Campbell pages
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