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ContractorsRanked

Best Insulation Contractors in Gainesville, VA (2026)

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

The short answer

  1. 1

    Best overall in Gainesville: Senate Termite & Pest Control, CR Score 84/100; 4.6★ from 2,022 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Michael & Son Services, posts 24/7 hours; ranked #2 of 86.

  3. 5

    Most-reviewed: EcoShield Pest Solutions, 4,576 Google reviews at 4.7★, the most of 86 ranked; ranked #5.

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

86 Gainesville insulation contractors are ranked here by CR Score, from 8 published factors. 10 are open 24/7, 51 open Saturdays and 20 open Sundays, based on posted hours. The median Google rating is 4.9★ across 86 rated businesses.

Top 10 insulation contractors in Gainesville at a glance

Top 10 insulation contractors in Gainesville at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Senate Termite & Pest Control844.6★ (2,022)Manassas, 6 mi away24/7Overall
2Michael & Son Services834.9★ (1,501)Sterling, 18 mi away24/7Emergencies
3NV Waterproofing & Foundation Repair834.9★ (975)Manassas, 3 mi awaySat · Sun—
4Founders Insulation834.8★ (99)Chantilly, 11 mi awaySat · Sun—
5EcoShield Pest Solutions834.7★ (4,576)Sterling, 17 mi awaySatMost reviews
6Leonard Splaine Co.824.9★ (1,060)Dale City, 21 mi away24/7—
7Virginia Diamond Roofing815.0★ (35)Gainesville24/7—
8Environmental Pest Control814.9★ (874)Dale City, 23 mi awaySat—
9Environmental Pest Control804.8★ (483)Reston, 17 mi awaySat—
10AR General Contracting LLC805.0★ (62)Manassas, 9 mi away24/7—

The 86 best insulation contractors in Gainesville, 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.

  4. #4 Founders Insulation

    Based in Chantilly, 11 mi away

    83/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.8★ from 99 Google reviews, listed on Google as “Insulation contractor”.

    • 4.8★ from 99 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun 9 AM–5 PM
    Address
    4447 Brookfield Corporate Dr A, Chantilly, VA 20151
    View profile for Founders Insulation(703) 213-7591

  5. #5 EcoShield Pest Solutions

    Based in Sterling, 17 mi away

    83/100CR Score

    Ranked #5 because of its Google rating and review volume: 4.7★ from 4,576 Google reviews, the most Google reviews on this list (4,576).

    • 4.7★ from 4,576 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 9 AM–1 PM · Sun closed
    Address
    22560 Glenn Dr Suite 113, Sterling, VA 20164
    View profile for EcoShield Pest Solutions(202) 558-5388

  11. #11 Comfenergy

    Based in Sterling, 18 mi away

    79/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.8★ from 378 Google reviews, listed on Google as “Insulation contractor”.

    • 4.8★ from 378 Google reviews
    Hours
    Mon–Thu 8 AM–5:30 PM · Fri 8 AM–5 PM · Sat 9 AM–1 PM · Sun closed
    Address
    45714 Oakbrook Ct #180, Sterling, VA 20166
    View profile for Comfenergy(571) 659-6059

  13. #13 The Fifth Fuel

    Based in Manassas, 9 mi away

    79/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.9★ from 305 Google reviews, listed on Google as “Insulation contractor”.

    • 4.9★ from 305 Google reviews
    Hours
    Mon–Fri 6 AM–5 PM · Sat–Sun closed
    Address
    8521 Quarry Rd, Manassas, VA 20110
    View profile for The Fifth Fuel(703) 368-1479

  15. #15 EDGE Energy

    Based in Reston, 17 mi away

    78/100CR Score

    Ranked #15 because of its Google rating and availability: 4.9★ from 87 Google reviews, open 24/7.

    • 4.9★ from 87 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12020 Sunrise Valley Dr #100, Reston, VA 20191
    View profile for EDGE Energy(571) 462-2218

  17. #17 PestNow

    Based in Sterling, 17 mi away

    78/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.6★ from 2,654 Google reviews, listed on Google as “Insulation contractor”.

    • 4.6★ from 2,654 Google reviews
    Hours
    Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
    Address
    22395 Powers Ct, Sterling, VA 20166
    View profile for PestNow(877) 284-2466

  25. #25 ElevationBuild

    Based in Reston, 18 mi away

    75/100CR Score

    Ranked #25 because of its Google rating and availability: 4.9★ from 99 Google reviews, open 24/7.

    • 4.9★ from 99 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1900 Campus Commons Dr Ste 100, Reston, VA 20191
    View profile for ElevationBuild(703) 340-5756

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 86 ranked insulation contractors here; the rest are on their profiles.

insulation contractors in Gainesville, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Maryland Spray Foam Insulation755.0★ (23)20 mi
27All Day Roofing & More755.0★ (92)21 mi
28Northern Virginia Insulators754.9★ (25)5 mi
29Super Foam Usa745.0★ (15)20 mi
30Prudent Homes Insulation744.6★ (33)20 mi
31Performance Insulation745.0★ (29)25 mi
32Global Insulation Group734.7★ (3)19 mi
33Ratpack Pest Control735.0★ (40)17 mi
34NOVA Insulation and Exteriors735.0★ (4)15 mi
35Southland Insulators734.3★ (83)9 mi
36Attic Insulation DC Pro725.0★ (3)14 mi
37Kelvin's724.9★ (30)17 mi
38Dan Warren WallCoverings725.0★ (7)11 mi
39Quality Insulation725.0★ (5)22 mi
40Davenport Insulation724.2★ (17)6 mi
41Davenport Commercial725.0★ (3)4 mi
42The King Insulator725.0★ (9)20 mi
43Home & Foam Insulation Inc725.0★ (3)19 mi
44Pro Desk at The Home Depot714.6★ (11)14 mi
45FT Insulation LLC715.0★ (6)20 mi
46Virginia Spray Foam Insulation715.0★ (17)18 mi
47Ace Handyman Services NoVa714.7★ (286)21 mi
48Green Energy Foam715.0★ (3)8 mi
49Elements Home Remodel, VA704.8★ (45)14 mi
50Garda Premium Insulation & Exteriors705.0★ (25)20 mi

Also serving Gainesville

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 Gainesville
BusinessGoogle ratingDistance
Basement Masters Waterproofing4.8★ (66)In Gainesville
Builders' Insulation4.0★ (1)3 mi
Central Virginia Insulation5.0★ (2)22 mi
Door Pro America4.7★ (656)In Gainesville
ECR Painting INC5.0★ (1)6 mi
Gambies & Sons Roofing5.0★ (34)In Gainesville
Jaber Construction LLC4.9★ (98)In Gainesville
L & C Spray Foam Insulators5.0★ (2)18 mi
Lakewood Home Builders, Inc.5.0★ (48)In Gainesville
Lowe's Home Improvement4.0★ (1,306)In Gainesville
Mr Joaquin Painting, LLC4.5★ (2)8 mi
On the Level Contracting3.5★ (10)In Gainesville
Pro Desk at The Home DepotIn Gainesville
Pro Desk at The Home Depot5.0★ (2)19 mi
Pro Desk at The Home Depot4.5★ (2)21 mi
Smart Home Improvement DMV5.0★ (2)12 mi
Style Roofing4.9★ (47)In Gainesville
The Tank Foam5.0★ (1)6 mi
USA General Contractors4.9★ (70)In Gainesville
Wil the Roofer5.0★ (4)In Gainesville

How much do insulation contractors cost in Gainesville?

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

How much do insulation contractors cost in Gainesville?
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 Gainesville insulation contractors

We scored 86 Gainesville 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 Gainesville 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 Gainesville: frequently asked questions

Who is the best insulation contractor in Gainesville?

By CR Score, the highest-ranked insulation contractor in Gainesville, VA is Senate Termite & Pest Control with a CR Score of 84/100. It has 4.6★ from 2,022 Google reviews. It is open 24/7. Michael & Son Services (#2) and NV Waterproofing & Foundation Repair (#3) follow. We ranked 86 insulation contractors on 8 factors, last updated October 22, 2026.

How many insulation contractors are there in Gainesville?

ContractorsRanked ranks 86 insulation contractors serving Gainesville, VA. 1 of them is based in Gainesville; 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 Gainesville are open 24/7?

10 ranked insulation contractors in Gainesville post 24/7 hours. The highest-ranked are Senate Termite & Pest Control (#1), Michael & Son Services (#2) and Leonard Splaine Co. (#6). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which insulation contractors in Gainesville work on weekends?

51 of 86 ranked insulation contractors post Saturday hours and 20 post Sunday hours. The highest-ranked open Saturdays are Senate Termite & Pest Control (#1), Michael & Son Services (#2) and NV Waterproofing & Foundation Repair (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does attic insulation cost in Gainesville?

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

What Google rating do Gainesville insulation contractors have?

The median Google rating among 86 rated insulation contractors in Gainesville is 4.9★, with a median of 25 reviews. EcoShield Pest Solutions has the most, 4,576 reviews, and ranks #5. 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 Gainesville count in this ranking?

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

  1. October 2026: CR Scores recalculated for 86 insulation contractors serving Gainesville.

More insulation contractors and Gainesville pages

Other trades in Gainesville