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Best Insulation Contractors in Alabaster, AL (2026)

26 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Alabaster: Comfort Dynamics Cooling, Heating, Plumbing & Electrical, CR Score 82/100; 4.7★ from 2,254 Google reviews; open 24/7.

  2. 4

    Best for emergencies (open 24/7): Southern Industries Home Improvements, posts 24/7 hours; ranked #4 of 26.

  3. 3

    Most-reviewed: OnTime Service, 8,308 Google reviews at 4.9★, the most of 26 ranked; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

26 Alabaster insulation contractors are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 11 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.9★ across 26 rated businesses.

Top 10 insulation contractors in Alabaster at a glance

Top 10 insulation contractors in Alabaster at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Comfort Dynamics Cooling, Heating, Plumbing & Electrical824.7★ (2,254)Birmingham, 14 mi away24/7Overall
2Vault Spray Foam815.0★ (103)Hoover, 10 mi awaySat · Evenings—
3OnTime Service804.9★ (8,308)Hoover, 11 mi awaySat · EveningsMost reviews
4Southern Industries Home Improvements804.6★ (367)Birmingham, 11 mi away24/7Emergencies
5Hoover Spray Foam Insulation795.0★ (31)Hoover, 9 mi awaySat—
6Koala Insulation of Birmingham795.0★ (165)Birmingham, 7 mi away——
7Alabama Spray Foam Insulation785.0★ (50)Birmingham, 17 mi awaySat—
8Eco Three774.9★ (218)Vestavia Hills, 14 mi away——
9Homeowner Zen Insulation Rejuvenation and Dryer Vent Cleaning765.0★ (10)Alabaster——
10Bryars Spray Foam755.0★ (30)Tuscaloosa, 11 mi away——

The 26 best insulation contractors in Alabaster, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

  2. #2 Vault Spray Foam

    Based in Hoover, 10 mi away

    81/100CR Score

    Ranked #2 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 103 Google reviews
    Hours
    Mon–Sat 7 AM–7 PM · Sun closed
    Address
    2481 Valleydale Rd Ste. E, Hoover, AL 35244
    View profile for Vault Spray Foam(205) 203-8424

  3. #3 OnTime Service

    Based in Hoover, 11 mi away

    80/100CR Score

    Ranked #3 because of its Google rating and review volume: 4.9★ from 8,308 Google reviews, the most Google reviews on this list (8,308).

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 8,308 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat 8 AM–4 PM · Sun closed
    Address
    2668 Old Rocky Ridge Rd, Hoover, AL 35216
    View profile for OnTime Service(205) 947-2964

  5. #5 Hoover Spray Foam Insulation

    Based in Hoover, 9 mi away

    79/100CR Score

    Ranked #5 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 31 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat 9 AM–4 PM · Sun closed
    Address
    5520 Park Side Rd, Hoover, AL 35244
    View profile for Hoover Spray Foam Insulation(205) 858-1972

  6. #6 Koala Insulation of Birmingham

    Based in Birmingham, 7 mi away

    79/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 165 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 165 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    214 Business Center Dr, Birmingham, AL 35244
    View profile for Koala Insulation of Birmingham(205) 518-8900

  7. #7 Alabama Spray Foam Insulation

    Based in Birmingham, 17 mi away

    78/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 50 Google reviews
    Hours
    Mon–Sat 8 AM–5 PM · Sun closed
    Address
    1705 11th Pl S, Birmingham, AL 35205
    View profile for Alabama Spray Foam Insulation(205) 855-7321

  8. #8 Eco Three

    Based in Vestavia Hills, 14 mi away

    77/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.9★ from 218 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 218 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1000 Chestnut St #122, Vestavia Hills, AL 35216
    View profile for Eco Three(205) 314-3500

  10. #10 Bryars Spray Foam

    Based in Tuscaloosa, 11 mi away

    75/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 30 Google reviews
    Hours
    Mon–Fri 6 AM–6 PM · Sat–Sun closed
    View profile for Bryars Spray Foam(205) 238-7115

  11. #11 Attic Insulation Co Inc

    Based in Birmingham, 20 mi away

    74/100CR Score

    Ranked #11 because of its Google rating and trade focus: 3.7★ from 7 Google reviews, listed on Google as “Insulation contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 3.7★ from 7 Google reviews
    Address
    4340 Powell Ave S, Birmingham, AL 35222
    View profile for Attic Insulation Co Inc(205) 595-0557

  12. #12 Geo-Insulation & Nuisance Wildlife Removal Services, LLC

    Based in Hueytown, 22 mi away

    74/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.5★ from 30 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.5★ from 30 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat 9 AM–5 PM · Sun closed
    Address
    1178 Sunny Dell Ln, Hueytown, AL 35023
    View profile for Geo-Insulation & Nuisance Wildlife Removal Services, LLC(205) 552-8559

  14. #14 Ssd Insulation Inc

    Based in Chelsea, 11 mi away

    73/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.8★ from 4 Google reviews, listed on Google as “Dry wall contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 4.8★ from 4 Google reviews
    Address
    4276 Co Rd 39, Chelsea, AL 35043
    View profile for Ssd Insulation Inc(205) 678-8911

  15. #15 iFoam

    Based in Birmingham, 14 mi away

    73/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Sat 7 AM–7 PM · Sun closed
    Address
    229 Sheffield Ln, Birmingham, AL 35242
    View profile for iFoam(659) 599-7399

  16. #16 Birmingham Spray Foam Insulation

    Based in Birmingham, 22 mi away

    73/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 7 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat 9 AM–5 PM · Sun closed
    Address
    4230 Pulaski St, Birmingham, AL 35217
    View profile for Birmingham Spray Foam Insulation(205) 291-1917

  18. #18 TemperaturePro

    Based in Pelham, 7 mi away

    72/100CR Score

    Ranked #18 because of its Google rating and review volume: 4.9★ from 261 Google reviews, 261 Google reviews.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 261 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1007 Commerce Blvd, Pelham, AL 35124
    View profile for TemperaturePro(205) 850-3690

  19. #19 Allied Insulation

    Based in Birmingham, 20 mi away

    72/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.8★ from 40 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.8★ from 40 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    4601 Messer Airport Hwy, Birmingham, AL 35212
    View profile for Allied Insulation(205) 572-8977

  21. #21 Daviston and Gale Insulation

    Based in Pelham, 4 mi away

    71/100CR Score

    Ranked #21 because of its Google rating and trade focus: 3.5★ from 35 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 3.5★ from 35 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    1011 Yeager Pkwy, Pelham, AL 35124
    View profile for Daviston and Gale Insulation(205) 428-9381

  24. #24 31-W Insulation

    Based in Bessemer, 15 mi away

    69/100CR Score

    Ranked #24 because of its Google rating and trade focus: 3.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 3.0★ from 9 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    910 Powder Plant Rd, Bessemer, AL 35022
    View profile for 31-W Insulation(205) 764-9460

  25. #25 EcoLogical Insulation

    Based in Birmingham, 19 mi away

    69/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.3★ from 10 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.3★ from 10 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    3925 2nd Ave S, Birmingham, AL 35222
    View profile for EcoLogical Insulation(205) 523-5326

All 26 insulation contractors

#1 to #25 are shown in full above. Here are #26 to #26, in CR Score order; each links to its profile.

insulation contractors in Alabaster, ranks 26 to 26
RankBusinessCR ScoreGoogle ratingDistance
26The Squirrel Guys694.8★ (51)22 mi

Also serving Alabaster

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.

Unranked insulation contractors serving Alabaster
BusinessGoogle ratingDistance
Alabama Roofing Contractors15 mi
Builders' Insulation16 mi
Building Materials Warehouse18 mi
C & F Drywall Inc3.5★ (2)In Alabaster
Cary Insulation20 mi
Elevation Restoration LLC5.0★ (1)12 mi
Foam Insulation Tech LLC15 mi
G&S Coating Systems24 mi
Greg’s insulation17 mi
Happeez Air Conditioning and Heating5.0★ (1)24 mi
K G Insulation5.0★ (1)In Alabaster
New Directions InsulationsIn Alabaster
P&P Installation21 mi
Perfection Insulation20 mi
Shook & Fletcher Insulation Co.,5.0★ (2)18 mi
Smart Foam LLC5.0★ (1)15 mi
Smart Living Home & Energy13 mi
Sunbelt Industrial Company, Inc.1.0★ (1)11 mi
Superior Heating and Cooling & Insulation5.0★ (1)24 mi
Tailored Foam8 mi

How much do insulation contractors cost in Alabaster?

National price ranges in USD, not adjusted for Alabaster. Each row names its basis and the month we checked it.

How much do insulation contractors cost in Alabaster?
JobLowTypicalHighBasisChecked
Attic insulation$1,700$2,100$2,500Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national rangeOctober 2026

How we ranked Alabaster insulation contractors

We scored 26 Alabaster 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Alabaster data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Insulation contractors in Alabaster: frequently asked questions

Who is the best insulation contractor in Alabaster?

By CR Score, the highest-ranked insulation contractor in Alabaster, AL is Comfort Dynamics Cooling, Heating, Plumbing & Electrical with a CR Score of 82/100. It has 4.7★ from 2,254 Google reviews. It is open 24/7. Vault Spray Foam (#2) and OnTime Service (#3) follow. We ranked 26 insulation contractors on 8 factors, last updated October 22, 2026.

How many insulation contractors are there in Alabaster?

ContractorsRanked ranks 26 insulation contractors serving Alabaster, AL. 2 of them are based in Alabaster; 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 Alabaster are open 24/7?

2 ranked insulation contractors in Alabaster post 24/7 hours. The highest-ranked are Comfort Dynamics Cooling, Heating, Plumbing & Electrical (#1) and Southern Industries Home Improvements (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which insulation contractors in Alabaster work on weekends?

11 of 26 ranked insulation contractors post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are Comfort Dynamics Cooling, Heating, Plumbing & Electrical (#1), Vault Spray Foam (#2) and OnTime Service (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does attic insulation cost in Alabaster?

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 Alabaster. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Alabaster insulation contractors have?

The median Google rating among 26 rated insulation contractors in Alabaster is 4.9★, with a median of 33 reviews. OnTime Service has the most, 8,308 reviews, and ranks #3. 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 Alabaster count in this ranking?

Yes, if they are within 25 mi of the Alabaster 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 Alabaster

  1. October 2026: CR Scores recalculated for 26 insulation contractors serving Alabaster.

More insulation contractors and Alabaster pages

Other trades in Alabaster