91/100CR Score
Ranked #1 because of its Google rating and availability: 4.8★ from 24 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Insulation Contractors in Rosedale, CA (2026)
7 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rosedale: Excludetech, CR Score 91/100; 4.8★ from 24 Google reviews; open 24/7.
- 2
Most-reviewed: Cal Spray Foam Insulation, 33 Google reviews at 5.0★, the most of 7 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
7 Rosedale insulation contractors are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 4 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.9★ across 7 rated businesses.
Most of this list also appears on the Insulation contractors in Oildale ranking. See Insulation contractors in Oildale
Top 7 insulation contractors in Rosedale at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Excludetech | 91 | 4.8★ (24) | Bakersfield, 14 mi away | 24/7 | Overall |
| 2 | Cal Spray Foam Insulation | 87 | 5.0★ (33) | Bakersfield, 7 mi away | Sat | Most reviews |
| 3 | Allstate Spray Foam Roofing | 85 | 4.9★ (19) | Bakersfield, 8 mi away | Sat | — |
| 4 | Wells Acoustics | 82 | 5.0★ (4) | Bakersfield, 1 mi away | — | — |
| 5 | Broken Drum Insulation of Bakersfield | 81 | 4.4★ (28) | Bakersfield, 6 mi away | — | — |
| 6 | ClimateShield Insulation | 79 | 5.0★ (4) | Bakersfield, 11 mi away | Sat | — |
| 7 | A.S.I., Inc. Insulation & Abatement | 78 | 4.8★ (12) | Bakersfield, 10 mi away | — | — |
The 7 best insulation contractors in Rosedale, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Based in Bakersfield, 7 mi away
87/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 33 Google reviews, the most Google reviews on this list (33).
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 33 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- Bakersfield, CA 93301
Based in Bakersfield, 8 mi away
85/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 19 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
Based in Bakersfield, 1 mi away
82/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 5.0★ from 4 Google reviews
- Address
- 14249 Meacham Rd, Bakersfield, CA 93314
Based in Bakersfield, 6 mi away
81/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.4★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.4★ from 28 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 34779 Lencioni Ave, Bakersfield, CA 93308
Based in Bakersfield, 11 mi away
79/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 4 Google reviews
- Hours
- Mon–Sat 6 AM–5 PM · Sun closed
- Address
- 7800 Middle Harbour Dr, Bakersfield, CA 93307
Based in Bakersfield, 10 mi away
78/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 12 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 2130 E Brundage Ln, Bakersfield, CA 93307
How much do insulation contractors cost in Rosedale?
National price ranges in USD, not adjusted for Rosedale. 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 Rosedale insulation contractors
We scored 7 Rosedale 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 Rosedale 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 Rosedale: frequently asked questions
Who is the best insulation contractor in Rosedale?
By CR Score, the highest-ranked insulation contractor in Rosedale, CA is Excludetech with a CR Score of 91/100. It has 4.8★ from 24 Google reviews. It is open 24/7. Cal Spray Foam Insulation (#2) and Allstate Spray Foam Roofing (#3) follow. We ranked 7 insulation contractors on 8 factors, last updated October 22, 2026.
Which insulation contractors in Rosedale are open 24/7?
1 ranked insulation contractor in Rosedale posts 24/7 hours. The highest-ranked is Excludetech (#1). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Rosedale work on weekends?
4 of 7 ranked insulation contractors post Saturday hours and 1 post Sunday hours. The highest-ranked open Saturdays are Excludetech (#1), Cal Spray Foam Insulation (#2) and Allstate Spray Foam Roofing (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Rosedale?
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 Rosedale. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Rosedale insulation contractors have?
The median Google rating among 7 rated insulation contractors in Rosedale is 4.9★, with a median of 19 reviews. Cal Spray Foam Insulation has the most, 33 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 Rosedale count in this ranking?
Yes, if they are within 25 mi of the Rosedale 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 Rosedale
- October 2026: CR Scores recalculated for 7 insulation contractors serving Rosedale.
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