105 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Simi Valley: EcoShield Pest Control North Los Angeles, CR Score 61/100; 4.8★ from 1,917 Google reviews; open Saturdays until 1 PM.
Best for emergencies (open 24/7): Green Rodent Restoration, posts 24/7 hours; ranked #2 of 105.
Most-reviewed: Conejo Services HVAC, Plumbing and Electrical, 2,368 Google reviews at 4.9★, the most of 105 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
105 Simi Valley insulation contractors are ranked here by CR Score, from ten published factors. 23 are open 24/7, 74 open Saturdays and 67 open Sundays, based on posted hours. The median Google rating is 5.0★ across 105 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EcoShield Pest Control North Los Angeles | 61 | 4.8★ (1,917) | Canoga Park, 11 mi away | Sat | Overall |
| 2 | Green Rodent Restoration | 60 | 4.7★ (133) | Chatsworth, 10 mi away | 24/7 | Emergencies |
| 3 | Conejo Services HVAC, Plumbing and Electrical | 59 | 4.9★ (2,368) | Camarillo, 10 mi away | 24/7 | Most reviews |
| 4 | EcoGuard Pest Management | 59 | 4.9★ (335) | Canoga Park, 16 mi away | Sat · Sun · Evenings | — |
| 5 | Insulation Labs | 59 | 4.9★ (413) | Van Nuys, 18 mi away | Sat · Sun · Evenings | — |
| 6 | Trusted Seal Insulation | 59 | 5.0★ (25) | Simi Valley | Sat · Sun · Evenings | — |
| 7 | Silver Line Insulation | 58 | 5.0★ (15) | Simi Valley | Sat · Sun · Evenings | — |
| 8 | Install | Insulation | 58 | 5.0★ (27) | Canoga Park, 11 mi away | 24/7 | — |
| 9 | NexGen HVAC & Plumbing | 58 | 4.8★ (1,498) | Camarillo, 11 mi away | 24/7 | — |
| 10 | AirWorks Heating Air Plumbing | 57 | 4.9★ (923) | Camarillo, 12 mi away | 24/7 | — |
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: 4.8★ from 1,917 Google reviews, listed on Google as “Insulation contractor”.
Based in Chatsworth, 10 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 133 Google reviews, listed on Google as “Insulation contractor”.
Based in Camarillo, 10 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 2,368 Google reviews, the most in Simi Valley.
Based in Canoga Park, 16 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 335 Google reviews, listed on Google as “Insulation contractor”.
Based in Van Nuys, 18 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 413 Google reviews, listed on Google as “Insulation contractor”.
Based in Simi Valley
Ranked #6 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based in Simi Valley
Ranked #7 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based in Canoga Park, 11 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Insulation contractor”.
Based in Camarillo, 11 mi away
Ranked #9 because of its Google rating and review volume: 4.8★ from 1,498 Google reviews.
Based in Camarillo, 12 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 923 Google reviews.
Based in Canoga Park, 11 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Insulation contractor”.
Based in Simi Valley
Ranked #12 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based in Calabasas, 16 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based in Chatsworth, 11 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “Insulation contractor”.
Based in Woodland Hills, 11 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “Insulation contractor”.
Based in Simi Valley
Ranked #16 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based in Simi Valley
Ranked #17 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Chatsworth, 11 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 109 Google reviews, listed on Google as “Insulation contractor”.
Based in Sherman Oaks, 20 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 48 Google reviews, listed on Google as “Insulation contractor”.
Based in Woodland Hills, 12 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based in Los Angeles, 24 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 136 Google reviews, listed on Google as “Insulation contractor”.
Based in Chatsworth, 12 mi away
Ranked #22 because of its Google rating and review volume: 4.9★ from 1,050 Google reviews.
Based in Northridge, 14 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 85 Google reviews, listed on Google as “Insulation contractor”.
Based in Calabasas, 16 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based in Van Nuys, 20 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Insulation contractor”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 105 ranked insulation contractors here; the rest are on their profiles.
20 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 |
|---|---|---|
| Air-Seal Sprayfoam | 5.0★ (2) | 16 mi |
| Blessed Remodeling & Construction | 4.8★ (19) | In Simi Valley |
| Brilliants Insulation Contractor | 5.0★ (2) | 19 mi |
| California Trusted Contractor | 5.0★ (1) | In Simi Valley |
| Control | 5.0★ (2) | 20 mi |
| Green Rodent Restoration | 5.0★ (2) | 10 mi |
| insulation expert services | 5.0★ (2) | 11 mi |
| Leos Insulation | 5.0★ (2) | 23 mi |
| MBA Mechanical Inc. HVAC + Solar | 5.0★ (14) | In Simi Valley |
| Milgard Windows & Doors | 4.7★ (1,179) | In Simi Valley |
| Next Level Insulation of Santa Clarita | 5.0★ (2) | 17 mi |
| Premier Insulation Inc. | 5.0★ (2) | 11 mi |
| Progressive Santa Clarita - Insulation Contractor Free Quote | 5.0★ (2) | 16 mi |
| Quality Home Renovators Inc | In Simi Valley | |
| Service Heroes Heating & Air Conditioning | 5.0★ (57) | In Simi Valley |
| SERVPRO of Moorpark/Fillmore/Santa Paula | 5.0★ (25) | In Simi Valley |
| Smart Budget Insulation of Santa Clarita | 5.0★ (2) | 19 mi |
| SuperGreen Insulation | 3.0★ (2) | 14 mi |
| Tapo Rock and Sand | 4.9★ (10) | In Simi Valley |
| Tarzana Insulation Pros | 5.0★ (2) | 13 mi |
National price ranges in USD, not adjusted for Simi Valley. 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 105 Simi Valley 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 Simi Valley 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 |