87/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 2,092 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 2,092 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
- Address
- 808 Bidwell St, Folsom, CA 95630
Best Insulation Contractors in Diamond Springs, CA (2026)
18 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Diamond Springs: EcoGuard Pest Management, CR Score 87/100; 4.9★ from 2,092 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): Service Champions, posts 24/7 hours; ranked #2 of 18.
- 2
Most-reviewed: Service Champions, 3,816 Google reviews at 4.9★, the most of 18 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
18 Diamond Springs insulation contractors are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 10 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.8★ across 18 rated businesses.
Top 10 insulation contractors in Diamond Springs at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EcoGuard Pest Management | 87 | 4.9★ (2,092) | Folsom, 20 mi away | Sat · Sun · Evenings | Overall |
| 2 | Service Champions | 83 | 4.9★ (3,816) | Rocklin, 24 mi away | 24/7 | Emergencies, Most reviews |
| 3 | California Energy Services | 83 | 4.3★ (56) | El Dorado Hills, 14 mi away | 24/7 | — |
| 4 | EcoGuard Pest Management | 80 | 4.9★ (581) | El Dorado Hills, 14 mi away | Sat · Sun · Evenings | — |
| 5 | Good Guys Heating & Cooling | 78 | 4.9★ (929) | Cameron Park, 8 mi away | Sat | — |
| 6 | Eco Insulation Company | 76 | 5.0★ (39) | Orangevale, 23 mi away | Sat | — |
| 7 | Mr Itchy's Insulation | 75 | 4.3★ (6) | Placerville, 5 mi away | Sat | — |
| 8 | Allstate Spray Foam Roofing | 74 | 4.5★ (21) | Arden-Arcade, 22 mi away | Sat | — |
| 9 | Insulation Specialist Inc | 74 | 5.0★ (3) | Auburn, 4 mi away | — | — |
| 10 | Ace Handyman Services El Dorado Hills | 72 | 4.9★ (329) | Cameron Park, 9 mi away | — | — |
The 18 best insulation contractors in Diamond Springs, 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 Rocklin, 24 mi away
83/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 3,816 Google reviews, the most Google reviews on this list (3,816).
- 4.9★ from 3,816 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4430 Yankee Hill Rd, Rocklin, CA 95677
Based in El Dorado Hills, 14 mi away
83/100CR ScoreRanked #3 because of its Google rating and availability: 4.3★ from 56 Google reviews, open 24/7.
- 4.3★ from 56 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4905 Golden Foothill Pkwy A, El Dorado Hills, CA 95762
Based in El Dorado Hills, 14 mi away
80/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 581 Google reviews, 581 Google reviews.
- 4.9★ from 581 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
- Address
- 5045 Robert J Mathews Pkwy Suite 200, El Dorado Hills, CA 95762
Based in Cameron Park, 8 mi away
78/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 929 Google reviews, 929 Google reviews.
- 4.9★ from 929 Google reviews
- Hours
- Mon–Fri 7:30 AM–5 PM · Sat 7:30 AM–1 PM · Sun closed
- Address
- 4755 Business Dr, Shingle Springs, CA 95682
Based in Orangevale, 23 mi away
76/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 39 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
- Address
- 8455 Noel Dr, Orangevale, CA 95662
Based in Placerville, 5 mi away
75/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Insulation contractor”.
- 4.3★ from 6 Google reviews
- Hours
- Mon–Sat 6 AM–6 PM · Sun closed
- Address
- 3160 Serenity Dr, Placerville, CA 95667
Based in Arden-Arcade, 22 mi away
74/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.5★ from 21 Google reviews, listed on Google as “Insulation contractor”.
- 4.5★ from 21 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
Based in Auburn, 4 mi away
74/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 3 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
Based in Cameron Park, 9 mi away
72/100CR ScoreRanked #10 because of its Google rating and review volume: 4.9★ from 329 Google reviews, 329 Google reviews.
- 4.9★ from 329 Google reviews
- Hours
- Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
- Address
- 3430 Robin Ln Ste 4, Cameron Park, CA 95682
Based in Arden-Arcade, 25 mi away
72/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.5★ from 6 Google reviews, listed on Google as “Insulation contractor”.
- 4.5★ from 6 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
Based in Arden-Arcade, 20 mi away
70/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.3★ from 24 Google reviews, listed on Google as “Insulation contractor”.
- 4.3★ from 24 Google reviews
- Hours
- Mon–Fri 7 AM–4:30 PM · Sat–Sun closed
#13 Ecoattics, Inc.
Based in Antelope, 24 mi away
70/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 13 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
Based in Citrus Heights, 25 mi away
69/100CR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 63 Google reviews, 63 Google reviews.
- 4.8★ from 63 Google reviews
- Hours
- Mon–Thu 8 AM–6 PM · Fri 8 AM–4:30 PM · Sat closed · Sun 8 AM–2 PM
- Address
- 7625 Sunrise Blvd #213, Citrus Heights, CA 95621
Based in Auburn, 22 mi away
68/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 3 Google reviews
- Hours
- Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
- Address
- 7129 English Colony Way, Penryn, CA 95663
Based in Auburn, 23 mi away
67/100CR ScoreRanked #16 because of its Google rating and trade focus: 3.5★ from 16 Google reviews, listed on Google as “Insulation contractor”.
- 3.5★ from 16 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 2025 Airpark Ct Suite 50, Auburn, CA 95602
Based in Rancho Cordova, 22 mi away
66/100CR ScoreRanked #17 because of its Google rating and trade focus: 3.9★ from 28 Google reviews, listed on Google as “Solar energy system service”.
- 3.9★ from 28 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 8 AM–4 PM · Sun closed
- Address
- 12178 Tributary Point Dr, Rancho Cordova, CA 95670
Based in Auburn, 20 mi away
64/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Roofing contractor”.
- 4.8★ from 16 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 130 Elm Ave, Auburn, CA 95603
Also serving Diamond Springs
10 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 |
|---|---|---|
| Carleton's Drywall Repair Services | 5.0★ (2) | 25 mi |
| Comfort Control Heating Air Conditioning Solar Electrical | 4.6★ (195) | In Diamond Springs |
| El Dorado Drywall Inc. | 5.0★ (1) | In Diamond Springs |
| Energy Sealed Insulation | In Diamond Springs | |
| Garner Roofing Inc | 22 mi | |
| Greencleanout | 14 mi | |
| Milwaukee Valve Co | 7 mi | |
| Next Level Home Performance | 4.5★ (17) | In Diamond Springs |
| Sequoia Insulation | 4 mi | |
| Value Home Improvement | 7 mi |
How much do insulation contractors cost in Diamond Springs?
National price ranges in USD, not adjusted for Diamond Springs. 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 Diamond Springs insulation contractors
We scored 18 Diamond Springs 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 Diamond Springs 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 Diamond Springs: frequently asked questions
Who is the best insulation contractor in Diamond Springs?
By CR Score, the highest-ranked insulation contractor in Diamond Springs, CA is EcoGuard Pest Management with a CR Score of 87/100. It has 4.9★ from 2,092 Google reviews. It is open 7 days a week. Service Champions (#2) and California Energy Services (#3) follow. We ranked 18 insulation contractors on 8 factors, last updated October 22, 2026.
How many insulation contractors are there in Diamond Springs?
ContractorsRanked ranks 18 insulation contractors serving Diamond Springs, CA. Another 10 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Diamond Springs are open 24/7?
2 ranked insulation contractors in Diamond Springs post 24/7 hours. The highest-ranked are Service Champions (#2) and California Energy Services (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Diamond Springs work on weekends?
10 of 18 ranked insulation contractors post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are EcoGuard Pest Management (#1), Service Champions (#2) and California Energy Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Diamond Springs?
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 Diamond Springs. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Diamond Springs insulation contractors have?
The median Google rating among 18 rated insulation contractors in Diamond Springs is 4.8★, with a median of 26 reviews. Service Champions has the most, 3,816 reviews, and ranks #2. 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 Diamond Springs count in this ranking?
Yes, if they are within 25 mi of the Diamond Springs 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.
Update log for Diamond Springs
- October 2026: CR Scores recalculated for 18 insulation contractors serving Diamond Springs.
More insulation contractors and Diamond Springs pages
Insulation contractors near Diamond Springs
- Insulation contractors in Placerville, CA15 ranked
- Insulation contractors in Cameron Park, CA35 ranked
- Insulation contractors in El Dorado Hills, CA48 ranked
- Insulation contractors in Granite Bay, CA48 ranked
- Insulation contractors in Folsom, CA49 ranked
- Insulation contractors in Auburn, CA32 ranked
- Insulation contractors in Rancho Murieta, CA46 ranked
- Insulation contractors in North Auburn, CA31 ranked
- Insulation contractors in Loomis, CA45 ranked
- Insulation contractors in Orangevale, CA48 ranked
Other trades in Diamond Springs
- Roofers in Diamond Springs327 ranked
- Plumbers in Diamond Springs157 ranked
- Electricians in Diamond Springs164 ranked
- HVAC contractors in Diamond Springs174 ranked
- General contractors in Diamond Springs209 ranked
- Painters in Diamond Springs39 ranked
- Landscapers in Diamond Springs45 ranked
- Handymen in Diamond Springs24 ranked
- Kitchen remodelers in Diamond Springs108 ranked
- Bathroom remodelers in Diamond Springs100 ranked
- Flooring contractors in Diamond Springs95 ranked
- Tile installers in Diamond Springs11 ranked
- Drywall contractors in Diamond Springs5 ranked
- Concrete contractors in Diamond Springs94 ranked
- Fence contractors in Diamond Springs40 ranked
- Deck builders in Diamond Springs55 ranked
- Siding contractors in Diamond Springs107 ranked
- Window installers in Diamond Springs179 ranked
- Gutter installers in Diamond Springs57 ranked
- Solar installers in Diamond Springs212 ranked
- Garage door repair companies in Diamond Springs42 ranked
- Foundation repair companies in Diamond Springs35 ranked
- Tree services in Diamond Springs126 ranked
- Masonry contractors in Diamond Springs36 ranked
- Water damage restoration companies in Diamond Springs150 ranked
- Home builders in Diamond Springs198 ranked
- Demolition contractors in Diamond Springs24 ranked
- All contractors in Diamond Springs