90/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 538 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 538 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
Best Insulation Contractors in Coronado, CA (2026)
73 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Coronado: EcoGuard Pest Management, CR Score 90/100; 4.9★ from 538 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): Attic Professional, posts 24/7 hours; ranked #2 of 73.
- 8
Most-reviewed: Mauzy Cooling, Heating, Plumbing, and Electrical, 4,710 Google reviews at 4.8★, the most of 73 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
73 Coronado insulation contractors are ranked here by CR Score, from 8 published factors. 6 are open 24/7, 44 open Saturdays and 36 open Sundays, based on posted hours. The median Google rating is 4.9★ across 73 rated businesses.
Top 10 insulation contractors in Coronado at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EcoGuard Pest Management | 90 | 4.9★ (538) | Coronado | Sat · Sun · Evenings | Overall |
| 2 | Attic Professional | 88 | 5.0★ (197) | Santee, 16 mi away | 24/7 | Emergencies |
| 3 | Attic Projects Company | 87 | 4.9★ (888) | San Diego, 14 mi away | Sat · Sun | — |
| 4 | Attic Construction | 87 | 4.9★ (316) | San Diego, 8 mi away | Sat · Sun · Evenings | — |
| 5 | Advanced Insulation System | 85 | 5.0★ (126) | San Diego, 10 mi away | Sat · Sun | — |
| 6 | California Attic & Build | 85 | 5.0★ (144) | San Diego, 10 mi away | Sat · Sun | — |
| 7 | Miramar SD Insulation Inc. | 85 | 5.0★ (31) | San Diego, 14 mi away | 24/7 | — |
| 8 | Mauzy Cooling, Heating, Plumbing, and Electrical | 85 | 4.8★ (4,710) | El Cajon, 16 mi away | 24/7 | Most reviews |
| 9 | Green Faith Attic Solutions | 84 | 5.0★ (40) | San Diego, 6 mi away | Sat · Sun · Evenings | — |
| 10 | Attic Heroes | 84 | 5.0★ (106) | San Diego, 13 mi away | Sat · Sun · Evenings | — |
The 73 best insulation contractors in Coronado, 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 Santee, 16 mi away
88/100CR ScoreRanked #2 because of its Google rating and availability: 5.0★ from 197 Google reviews, open 24/7.
- 5.0★ from 197 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8733 Magnolia Ave Suite 125, Santee, CA 92071
Based in San Diego, 14 mi away
87/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 888 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 888 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat–Sun 7 AM–4 PM
- Address
- 7840 Dunbrook Rd, San Diego, CA 92126
Based in San Diego, 8 mi away
87/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 316 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 316 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 10 AM–4 PM · Sun 10:30 AM–4:30 PM
- Address
- 4164 Cartagena Dr, San Diego, CA 92115
Based in San Diego, 10 mi away
85/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 126 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 126 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
- Address
- 5044 Ruffner St, San Diego, CA 92111
Based in San Diego, 10 mi away
85/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 144 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 144 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun 9 AM–2 PM
- Address
- 4901 Morena Blvd, San Diego, CA 92117
Based in San Diego, 14 mi away
85/100CR ScoreRanked #7 because of its Google rating and availability: 5.0★ from 31 Google reviews, open 24/7.
- 5.0★ from 31 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7950 Silverton Ave Ste 110, San Diego, CA 92126
Based in El Cajon, 16 mi away
85/100CR ScoreRanked #8 because of its Google rating and review volume: 4.8★ from 4,710 Google reviews, the most Google reviews on this list (4,710).
- 4.8★ from 4,710 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1456 Magnolia Ave Ste E, El Cajon, CA 92021
Based in San Diego, 6 mi away
84/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 40 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
- Address
- 1455 Frazee Rd Suite 500, San Diego, CA 92108
#10 Attic Heroes
Based in San Diego, 13 mi away
84/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 106 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 6051 Business Center Ct, San Diego, CA 92154
Based in San Diego, 11 mi away
84/100CR ScoreRanked #11 because of its Google rating and availability: 4.5★ from 31 Google reviews, open 24/7.
- 4.5★ from 31 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9530 Chesapeake Dr Suite 502, San Diego, CA 92123
Based in San Diego, 8 mi away
82/100CR ScoreRanked #12 because of its Google rating and availability: 3.7★ from 6 Google reviews, open 24/7.
- 3.7★ from 6 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4747 Atlanta Dr, San Diego, CA 92115
Based in Carlsbad, 16 mi away
81/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 235 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 235 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
#14 Alma Roofing
Based in San Diego, 9 mi away
81/100CR ScoreRanked #14 because of its Google rating and availability: 5.0★ from 71 Google reviews, open 24/7.
- 5.0★ from 71 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4538 Cass St, San Diego, CA 92109
Based in San Diego, 3 mi away
81/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 30 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 900 F St Suite #423, San Diego, CA 92101
Based in Baldwin Park, 7 mi away
81/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 31 Google reviews
- Hours
- Mon–Sun 8 AM–10 PM
- Address
- 1848 Puente Ave, Baldwin Park, CA 91706
Based in San Diego, 5 mi away
81/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 3930 Oregon St # 200, San Diego, CA 92104
Based in San Diego, 5 mi away
81/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun 9 AM–2 PM
- Address
- 3636 Fourth Ave Suite 200, San Diego, CA 92103
Based in Chula Vista, 8 mi away
80/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 5 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 775 Anita St, Chula Vista, CA 91911
Based in La Mesa, 10 mi away
79/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 32 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 4905 73rd St Suite 32, La Mesa, CA 91942
Based in San Diego, 14 mi away
79/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 9 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 9389 Dowdy Dr, San Diego, CA 92126
Based in Chula Vista, 11 mi away
79/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 5 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 750 Design Ct, Chula Vista, CA 91911
Based in San Diego, 14 mi away
79/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 7 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 5660 Eastgate Dr, San Diego, CA 92121
Based in San Diego, 14 mi away
79/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 7 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 6940 Camino Maquiladora, San Diego, CA 92154
Based in San Diego, 13 mi away
79/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 5 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 1225 Exposition Way, San Diego, CA 92154
Insulation contractors ranked #26 to #50
#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 73 ranked insulation contractors here; the rest are on their profiles.
Also serving Coronado
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 |
|---|---|---|
| A&O Insulation Inc | 5.0★ (2) | 11 mi |
| Attic Seal Insulation | 5.0★ (1) | 16 mi |
| Building Solutions Construction, Inc. Lic#1024730 | 3.7★ (3) | In Coronado |
| C.R. Insulation | 4.0★ (2) | 13 mi |
| Comfort Barrier Insulation | 5.0★ (2) | 19 mi |
| Distribution International | 5.0★ (1) | 6 mi |
| Eco Shield Insulation | 5.0★ (1) | 20 mi |
| F'YAttic Insulation Services | 2 mi | |
| IN N OUT Builders | In Coronado | |
| Insul Tech Innovations | 5.0★ (1) | 12 mi |
| Mendez Construction | 4.8★ (39) | In Coronado |
| NAVIGATIONAL SERVICES | 4.0★ (2) | 5 mi |
| Pro Desk at The Home Depot | 4.0★ (2) | 16 mi |
| rok-on | In Coronado | |
| Southwest HERS Raters | 3.0★ (2) | In Coronado |
| State Supply Inc | 5.0★ (1) | 8 mi |
| Summit Shield Roofing | 4.8★ (46) | In Coronado |
| Synergy Insulation | 4.0★ (2) | 22 mi |
| T.A. Marsh Roofing | 3.7★ (6) | In Coronado |
| Total Climate Control Insulation | 5.0★ (2) | 9 mi |
How much do insulation contractors cost in Coronado?
National price ranges in USD, not adjusted for Coronado. 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 Coronado insulation contractors
We scored 73 Coronado 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 Coronado 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 Coronado: frequently asked questions
Who is the best insulation contractor in Coronado?
By CR Score, the highest-ranked insulation contractor in Coronado, CA is EcoGuard Pest Management with a CR Score of 90/100. It has 4.9★ from 538 Google reviews. It is open 7 days a week. Attic Professional (#2) and Attic Projects Company (#3) follow. We ranked 73 insulation contractors on 8 factors, last updated October 22, 2026.
How many insulation contractors are there in Coronado?
ContractorsRanked ranks 73 insulation contractors serving Coronado, CA. 1 of them is based in Coronado; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Coronado are open 24/7?
6 ranked insulation contractors in Coronado post 24/7 hours. The highest-ranked are Attic Professional (#2), Miramar SD Insulation Inc. (#7) and Mauzy Cooling, Heating, Plumbing, and Electrical (#8). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Coronado work on weekends?
44 of 73 ranked insulation contractors post Saturday hours and 36 post Sunday hours. The highest-ranked open Saturdays are EcoGuard Pest Management (#1), Attic Professional (#2) and Attic Projects Company (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Coronado?
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 Coronado. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Coronado insulation contractors have?
The median Google rating among 73 rated insulation contractors in Coronado is 4.9★, with a median of 14 reviews. Mauzy Cooling, Heating, Plumbing, and Electrical has the most, 4,710 reviews, and ranks #8. 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 Coronado count in this ranking?
Yes, if they are within 25 mi of the Coronado 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 Coronado
- October 2026: CR Scores recalculated for 73 insulation contractors serving Coronado.
More insulation contractors and Coronado pages
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