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ContractorsRanked

Best Insulation Contractors in Chantilly, VA (2026)

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

The short answer

  1. 1

    Best overall in Chantilly: Senate Termite & Pest Control, CR Score 87/100; 4.6★ from 2,638 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Michael & Son Services, posts 24/7 hours; ranked #2 of 132.

  3. 4

    Most-reviewed: EcoShield Pest Solutions, 4,576 Google reviews at 4.7★, the most of 132 ranked; ranked #4.

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

132 Chantilly insulation contractors are ranked here by CR Score, from 8 published factors. 18 are open 24/7, 77 open Saturdays and 37 open Sundays, based on posted hours. The median Google rating is 4.8★ across 132 rated businesses.

Top 10 insulation contractors in Chantilly at a glance

Top 10 insulation contractors in Chantilly at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Senate Termite & Pest Control874.6★ (2,638)Gaithersburg, 21 mi away24/7Overall
2Michael & Son Services864.9★ (1,501)Sterling, 8 mi away24/7Emergencies
3Founders Insulation864.8★ (99)ChantillySat · Sun—
4EcoShield Pest Solutions854.7★ (4,576)Sterling, 7 mi awaySatMost reviews
5Senate Termite & Pest Control844.6★ (2,022)Manassas, 8 mi away24/7—
6Environmental Pest Control844.8★ (483)Reston, 5 mi awaySat—
7Crawl Space Brothers834.9★ (33)Arlington, 17 mi away24/7—
8Environmental Pest Control834.9★ (2,014)Germantown, 20 mi awaySat—
9Leonard Splaine Co.824.9★ (1,060)Dale City, 19 mi away24/7—
10Comfenergy824.8★ (378)Sterling, 8 mi awaySat—

The 132 best insulation contractors in Chantilly, 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.

  3. #3 Founders Insulation

    Based in Chantilly

    86/100CR Score

    Ranked #3 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

  4. #4 EcoShield Pest Solutions

    Based in Sterling, 7 mi away

    85/100CR Score

    Ranked #4 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

  8. #8 Environmental Pest Control

    Based in Germantown, 20 mi away

    83/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.9★ from 2,014 Google reviews, listed on Google as “Insulation contractor”.

    • 4.9★ from 2,014 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 8 AM–2 PM · Sun closed
    Address
    18815 Sparkling Water Dr Unit N, Germantown, MD 20874
    View profile for Environmental Pest Control(540) 441-7397

  10. #10 Comfenergy

    Based in Sterling, 8 mi away

    82/100CR Score

    Ranked #10 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

  12. #12 EDGE Energy

    Based in Reston, 5 mi away

    82/100CR Score

    Ranked #12 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

  15. #15 Green Pest Services

    Based in Bethesda, 19 mi away

    81/100CR Score

    Ranked #15 because of its Google rating and availability: 4.8★ from 822 Google reviews, open 24/7.

    • 4.8★ from 822 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    Third Floor, 4845 Rugby Ave Suite 303, Bethesda, MD 20814
    View profile for Green Pest Services(703) 961-8484

  20. #20 PestNow

    Based in Sterling, 7 mi away

    80/100CR Score

    Ranked #20 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

  21. #21 The Fifth Fuel

    Based in Manassas, 10 mi away

    79/100CR Score

    Ranked #21 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

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

insulation contractors in Chantilly, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26ElevationBuild784.9★ (99)6 mi
27Home Paramount Pest Control784.7★ (163)19 mi
28Super Foam Usa785.0★ (15)8 mi
29All Day Roofing & More775.0★ (92)11 mi
30Home Paramount Pest Control774.8★ (111)20 mi
31Maryland Spray Foam Insulation775.0★ (23)12 mi
32Performance Insulation775.0★ (29)15 mi
33METRO SHIELD EXTERIORS775.0★ (11)8 mi
34Home Paramount Pest Control774.2★ (58)7 mi
35Crawl Space Brothers774.8★ (89)22 mi
36Ratpack Pest Control765.0★ (40)5 mi
37Hyper Roofing765.0★ (35)20 mi
38Northern Virginia Insulators764.9★ (25)In Chantilly
39Xceptional Wildlife Removal764.1★ (17)20 mi
40Home Paramount Pest Control764.6★ (90)21 mi
41EDGE Energy764.8★ (56)23 mi
42DMV Foam754.6★ (36)17 mi
43Kelvin's754.9★ (30)7 mi
44Attic Insulation DC Pro755.0★ (3)5 mi
45Prudent Homes Insulation754.6★ (33)18 mi
46AB Insulation Foam & Attic744.0★ (4)22 mi
47NOVA Insulation and Exteriors745.0★ (4)10 mi
48Home Energy Saving Solutions745.0★ (24)25 mi
49Presidential Exteriors744.7★ (1,445)20 mi
50Pro Desk at The Home Depot744.6★ (11)5 mi

Also serving Chantilly

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 Chantilly
BusinessGoogle ratingDistance
Alliant Solutions PartnerIn Chantilly
Best Bid, Inc.5.0★ (2)In Chantilly
Central Virginia Insulation5.0★ (2)22 mi
CENTURY SIDING CO., INC.5.0★ (155)In Chantilly
Foremost Attic Clean Up Llc5.0★ (2)20 mi
InsulaIn Chantilly
Katchmark Construction, Inc4.2★ (85)In Chantilly
L & C Spray Foam Insulators5.0★ (2)6 mi
Mr Joaquin Painting, LLC4.5★ (2)9 mi
New Dominion Exteriors Inc.5.0★ (100)In Chantilly
Nova Installations4.6★ (71)In Chantilly
Ocean Fireproofing5.0★ (2)21 mi
PREMIER Exteriors5.0★ (315)In Chantilly
Pro Desk at The Home Depot5.0★ (1)In Chantilly
Pro Desk at The Home Depot4.5★ (2)11 mi
Pro Desk at The Home Depot5.0★ (2)18 mi
Pro Desk at The Home Depot5.0★ (2)20 mi
Procon International Contractors5.0★ (16)In Chantilly
Smart Home Improvement DMV5.0★ (2)9 mi
Window World of Washington DC4.2★ (567)In Chantilly

How much do insulation contractors cost in Chantilly?

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

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

We scored 132 Chantilly 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 Chantilly 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 Chantilly: frequently asked questions

Who is the best insulation contractor in Chantilly?

By CR Score, the highest-ranked insulation contractor in Chantilly, VA is Senate Termite & Pest Control with a CR Score of 87/100. It has 4.6★ from 2,638 Google reviews. It is open 24/7. Michael & Son Services (#2) and Founders Insulation (#3) follow. We ranked 132 insulation contractors on 8 factors, last updated October 22, 2026.

How many insulation contractors are there in Chantilly?

ContractorsRanked ranks 132 insulation contractors serving Chantilly, VA. 2 of them are based in Chantilly; 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 Chantilly are open 24/7?

18 ranked insulation contractors in Chantilly post 24/7 hours. The highest-ranked are Senate Termite & Pest Control (#1), Michael & Son Services (#2) and Senate Termite & Pest Control (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which insulation contractors in Chantilly work on weekends?

77 of 132 ranked insulation contractors post Saturday hours and 37 post Sunday hours. The highest-ranked open Saturdays are Senate Termite & Pest Control (#1), Michael & Son Services (#2) and Founders Insulation (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does attic insulation cost in Chantilly?

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

What Google rating do Chantilly insulation contractors have?

The median Google rating among 132 rated insulation contractors in Chantilly is 4.8★, with a median of 24 reviews. EcoShield Pest Solutions has the most, 4,576 reviews, and ranks #4. 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 Chantilly count in this ranking?

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

  1. October 2026: CR Scores recalculated for 132 insulation contractors serving Chantilly.

More insulation contractors and Chantilly pages

Other trades in Chantilly