119 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Fairfax: EcoShield Pest Solutions, CR Score 60/100; 4.7★ from 4,576 Google reviews; open Saturdays until 1 PM.
Best for emergencies (open 24/7): Senate Termite & Pest Control, posts 24/7 hours; ranked #2 of 119.
Most-reviewed: Michael & Son Services, 8,326 Google reviews at 4.8★, the most of 119 ranked; ranked #31.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
119 Fairfax insulation contractors are ranked here by CR Score, from ten published factors. 18 are open 24/7, 67 open Saturdays and 30 open Sundays, based on posted hours. The median Google rating is 4.9★ across 119 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EcoShield Pest Solutions | 60 | 4.7★ (4,576) | Sterling, 12 mi away | Sat | Overall |
| 2 | Senate Termite & Pest Control | 60 | 4.6★ (2,638) | Gaithersburg, 21 mi away | 24/7 | Emergencies |
| 3 | Environmental Pest Control | 59 | 4.8★ (483) | Reston, 7 mi away | Sat | — |
| 4 | Environmental Pest Control | 58 | 4.9★ (874) | Dale City, 15 mi away | Sat | — |
| 5 | Founders Insulation | 58 | 4.8★ (99) | Chantilly, 8 mi away | Sat · Sun | — |
| 6 | Crawl Space Brothers | 57 | 4.9★ (33) | Arlington, 10 mi away | 24/7 | — |
| 7 | Environmental Pest Control | 57 | 4.9★ (2,014) | Germantown, 22 mi away | Sat | — |
| 8 | Ameritech Construction Corporation | 57 | 4.9★ (1,580) | Falls Church, 5 mi away | Sat · Sun · Evenings | — |
| 9 | Xceptional Wildlife Removal | 57 | 4.5★ (98) | Chillum, 8 mi away | Sat · Sun · Evenings | — |
| 10 | Home Energy Saving Solutions | 57 | 5.0★ (24) | Fairfax | Sat · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.7★ from 4,576 Google reviews, listed on Google as “Insulation contractor”.
Based in Gaithersburg, 21 mi away
Ranked #2 because of its Google rating and trade focus: 4.6★ from 2,638 Google reviews, listed on Google as “Insulation contractor”.
Based in Reston, 7 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 483 Google reviews, listed on Google as “Insulation contractor”.
Based in Dale City, 15 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 874 Google reviews, listed on Google as “Insulation contractor”.
Based in Chantilly, 8 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 99 Google reviews, listed on Google as “Insulation contractor”.
Based in Arlington, 10 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based in Germantown, 22 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 2,014 Google reviews, listed on Google as “Insulation contractor”.
Based in Falls Church, 5 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 1,580 Google reviews.
Based in Chillum, 8 mi away
Ranked #9 because of its Google rating and trade focus: 4.5★ from 98 Google reviews, listed on Google as “Insulation contractor”.
Based in Fairfax
Ranked #10 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based in Sterling, 13 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 378 Google reviews, listed on Google as “Insulation contractor”.
Based in Sterling, 13 mi away
Ranked #12 because of its Google rating and trade focus: 4.6★ from 2,654 Google reviews, listed on Google as “Insulation contractor”.
Based in Sterling, 13 mi away
Ranked #13 because of its Google rating and review volume: 4.9★ from 1,501 Google reviews.
Based in Falls Church, 7 mi away
Ranked #14 because of its Google rating and trade focus: 4.6★ from 147 Google reviews, listed on Google as “Insulation contractor”.
Based in Manassas, 10 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 305 Google reviews, listed on Google as “Insulation contractor”.
Based in Dale City, 13 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 1,060 Google reviews.
Based in Arbutus, 5 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based in Manassas, 11 mi away
Ranked #18 because of its Google rating and review volume: 4.6★ from 2,022 Google reviews.
Based in Mount Vernon, 10 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based in Dale City, 13 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 163 Google reviews, listed on Google as “Insulation contractor”.
Based in Falls Church, 8 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based in Bethesda, 4 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based in Bethesda, 2 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Roofing contractor”.
Based in Bethesda, 15 mi away
Ranked #24 because of its Google rating and review volume: 4.8★ from 822 Google reviews.
Based in Fairfax
Ranked #25 because of its Google rating and review volume: 5.0★ from 92 Google reviews.
#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 119 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 |
|---|---|---|
| A & R Door Solutions | 5.0★ (4) | In Fairfax |
| Alpha Masonry & Chimney Repair Services | 5.0★ (1) | In Fairfax |
| Central Virginia Insulation | 5.0★ (2) | 17 mi |
| Construction Systems of Virginia Inc. | 5.0★ (20) | In Fairfax |
| Foremost Attic Clean Up Llc | 5.0★ (2) | 21 mi |
| Geothermal Options LLC | In Fairfax | |
| Home Performance Solutions - Home Energy Audits | In Fairfax | |
| Home Service Doctors | 4.8★ (2,036) | In Fairfax |
| Insulation Service Washington DC | 5.0★ (2) | 16 mi |
| L & C Spray Foam Insulators | 5.0★ (2) | 8 mi |
| MCL Construction, LLC | 5.0★ (2) | 19 mi |
| Mr Joaquin Painting, LLC | 4.5★ (2) | 10 mi |
| Nova Basement Finishing | 4.7★ (15) | In Fairfax |
| Ocean Fireproofing | 5.0★ (2) | 14 mi |
| Osman Painting and Remodel | 5.0★ (2) | 21 mi |
| Quest 1 Construction | In Fairfax | |
| Smart Home Improvement DMV | 5.0★ (2) | 8 mi |
| Summit Environmental Solutions, Inc. | 2.0★ (2) | 17 mi |
| The Vent Guys | 5.0★ (1,759) | In Fairfax |
| Ultimate Water Damage Restoration, LLC | 5.0★ (119) | In Fairfax |
National price ranges in USD, not adjusted for Fairfax. 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 119 Fairfax insulation contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 23, 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 Fairfax data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |