144 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lake Forest: CURA Termite & Pest Control Laguna Niguel, CR Score 91/100; 4.9★ from 324 Google reviews; open 24/7.
Best for emergencies (open 24/7): CURA Termite and Pest Control, posts 24/7 hours; ranked #2 of 144.
Most-reviewed: RighTime Home Services, 3,741 Google reviews at 4.7★, the most of 144 ranked; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
144 Lake Forest insulation contractors are ranked here by CR Score, from 8 published factors. 20 are open 24/7, 119 open Saturdays and 98 open Sundays, based on posted hours. The median Google rating is 5.0★ across 144 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CURA Termite & Pest Control Laguna Niguel | 91 | 4.9★ (324) | Laguna Niguel, 7 mi away | 24/7 | Overall |
| 2 | CURA Termite and Pest Control | 90 | 4.9★ (859) | Anaheim, 16 mi away | 24/7 | Emergencies |
| 3 | NexGen HVAC & Plumbing | 88 | 4.8★ (3,589) | Laguna Hills, 3 mi away | 24/7 | — |
| 4 | SoCal Airflow Pros | 86 | 4.9★ (1,005) | Rancho Santa Margarita, 5 mi away | 24/7 | — |
| 5 | Attic Projects | 86 | 4.9★ (584) | Orange, 15 mi away | Sat · Sun · Evenings | — |
| 6 | Gopher Patrol | 86 | 4.9★ (182) | Riverside, 20 mi away | 24/7 | — |
| 7 | Attic Masters Insulation Services | 86 | 5.0★ (15) | Anaheim, 5 mi away | 24/7 | — |
| 8 | All-American Insulation Aliso Viejo | 86 | 5.0★ (34) | Aliso Viejo, 6 mi away | 24/7 | — |
| 9 | One Season Heating and Air Conditioning | 86 | 5.0★ (189) | Lake Forest | 24/7 | — |
| 10 | Admiral Pest Control | 85 | 5.0★ (310) | Irvine, 2 mi away | Sat | — |
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.
Ranked #1 in Lake Forest
Based in Laguna Niguel, 7 mi away
Ranked #1 because of its Google rating and availability: 4.9★ from 324 Google reviews, open 24/7.
Based in Anaheim, 16 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 859 Google reviews, open 24/7.
Based in Laguna Hills, 3 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 3,589 Google reviews, open 24/7.
Based in Rancho Santa Margarita, 5 mi away
Ranked #4 because of its Google rating and availability: 4.9★ from 1,005 Google reviews, open 24/7.
Based in Orange, 15 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 584 Google reviews, listed on Google as “Insulation contractor”.
Based in Riverside, 20 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 182 Google reviews, open 24/7.
Based in Anaheim, 5 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
Based in Aliso Viejo, 6 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 34 Google reviews, open 24/7.
Based in Lake Forest
Ranked #9 because of its Google rating and availability: 5.0★ from 189 Google reviews, open 24/7.
Based in Irvine, 2 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 310 Google reviews, listed on Google as “Insulation contractor”.
Based in Irvine, 5 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
Based in Lake Forest
Ranked #12 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based in Santa Ana, 13 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 22 Google reviews, open 24/7.
Based in Irvine, 2 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based in Irvine, 3 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based in Corona, 16 mi away
Ranked #16 because of its Google rating and review volume: 4.7★ from 3,741 Google reviews, the most Google reviews on this list (3,741).
Based in Santa Ana, 11 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 79 Google reviews, listed on Google as “Insulation contractor”.
Based in Aliso Viejo, 4 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based in Anaheim, 16 mi away
Ranked #19 because of its Google rating and availability: 4.7★ from 2,250 Google reviews, open 24/7.
Based in Laguna Beach, 7 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based in Santa Ana, 11 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Insulation contractor”.
Based in Laguna Niguel, 8 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based in Laguna Beach, 9 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based in Fullerton, 22 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 135 Google reviews, listed on Google as “Insulation contractor”.
Based in Laguna Hills, 2 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 13 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 144 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 |
|---|---|---|
| Bob Mezzo Plastering | 5.0★ (2) | 20 mi |
| Builders' Insulation | 5.0★ (2) | 18 mi |
| Canyon Insulation Inc | 5.0★ (2) | 18 mi |
| Emergency Mold Restoration of Orange County | In Lake Forest | |
| Energy Experts | In Lake Forest | |
| GP Painting | 3.0★ (2) | 8 mi |
| Insulation for Home and Commercial | 5.0★ (1) | 6 mi |
| John Stevenson Plumbing, Heating & Air Conditioning | 4.9★ (680) | In Lake Forest |
| Meritage Homes | 4.0★ (20) | In Lake Forest |
| Mission Viejo Heating & Air | 5.0★ (907) | In Lake Forest |
| NDM Insulation | 5.0★ (2) | 21 mi |
| Performance Contracting Inc | 5.0★ (2) | 16 mi |
| Sears Heating and Air Conditioning | 1.0★ (1) | In Lake Forest |
| Seaside Custom Construction | 5.0★ (2) | 4 mi |
| Socal Thermal Insulation / EXCELLENCE AWARD | 3.0★ (2) | 11 mi |
| Spray Foam Insulation | 4.5★ (2) | 11 mi |
| Thermal Energy Products | 3.0★ (2) | 17 mi |
| Thermal Nest Insulation of Anaheim | 5.0★ (2) | 17 mi |
| Triton Air & Plumbing | 4.8★ (1,069) | In Lake Forest |
| U-STUCCO Green Building Materials | 5.0★ (2) | 14 mi |
National price ranges in USD, not adjusted for Lake Forest. 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 144 Lake Forest 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 Lake Forest 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 |