91 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Dale City: Environmental Pest Control, CR Score 64/100; 4.9★ from 874 Google reviews; open Saturdays until 2 PM.
Best for emergencies (open 24/7): Leonard Splaine Co., posts 24/7 hours; ranked #2 of 91.
Most-reviewed: Senate Termite & Pest Control, 2,022 Google reviews at 4.6★, the most of 91 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
91 Dale City insulation contractors are ranked here by CR Score, from ten published factors. 16 are open 24/7, 50 open Saturdays and 25 open Sundays, based on posted hours. The median Google rating is 4.9★ across 91 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Environmental Pest Control | 64 | 4.9★ (874) | Dale City | Sat | Overall |
| 2 | Leonard Splaine Co. | 61 | 4.9★ (1,060) | Dale City | 24/7 | Emergencies |
| 3 | Home Paramount Pest Control | 60 | 4.7★ (163) | Dale City | Sat | — |
| 4 | The Fifth Fuel | 57 | 4.9★ (305) | Manassas, 11 mi away | — | — |
| 5 | Prudent Homes Insulation | 57 | 4.6★ (33) | Dale City | Sat | — |
| 6 | Senate Termite & Pest Control | 57 | 5.0★ (6) | Mount Vernon, 6 mi away | 24/7 | — |
| 7 | Environmental Pest Control | 57 | 4.8★ (483) | Reston, 22 mi away | Sat | — |
| 8 | Founders Insulation | 56 | 4.8★ (99) | Chantilly, 18 mi away | Sat · Sun | — |
| 9 | Senate Termite & Pest Control | 56 | 4.6★ (2,022) | Manassas, 16 mi away | 24/7 | Most reviews |
| 10 | Crawl Space Brothers | 56 | 4.9★ (33) | Arlington, 20 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 874 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dale City
Ranked #2 because of its Google rating and review volume: 4.9★ from 1,060 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dale City
Ranked #3 because of its Google rating and trade focus: 4.7★ from 163 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manassas, 11 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 305 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dale City
Ranked #5 because of its Google rating and trade focus: 4.6★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 6 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Reston, 22 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 483 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chantilly, 18 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 99 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manassas, 16 mi away
Ranked #9 because of its Google rating and review volume: 4.6★ from 2,022 Google reviews, the most in Dale City.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arlington, 20 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fredericksburg, 23 mi away
Ranked #11 because of its Google rating and review volume: 4.8★ from 2,001 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Falls Church, 17 mi away
Ranked #12 because of its Google rating and review volume: 4.9★ from 1,580 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manassas, 17 mi away
Ranked #13 because of its Google rating and review volume: 4.9★ from 975 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waldorf, 20 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 107 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chillum, 21 mi away
Ranked #15 because of its Google rating and trade focus: 4.5★ from 98 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Falls Church, 19 mi away
Ranked #16 because of its Google rating and trade focus: 4.6★ from 147 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arbutus, 12 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 on 8 of 10 factors; credentials and recency not yet collected.
Based in Dale City
Ranked #18 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Manassas, 11 mi away
Ranked #19 because of its Google rating and review volume: 5.0★ from 62 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Falls Church, 18 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manassas, 13 mi away
Ranked #21 because of its Google rating and trade focus: 4.2★ from 58 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arlington, 20 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 221 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Springfield, 9 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Falls Church, 18 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 36 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gainesville, 10 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 35 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
#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 91 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 |
|---|---|---|
| 58 Foundations & Waterproofing | 4.7★ (265) | In Dale City |
| Beckworth, LLC | 4.7★ (18) | In Dale City |
| Ber Cruz Constructions - Drywall Company - | 5.0★ (14) | In Dale City |
| Central Virginia Insulation | 5.0★ (2) | 3 mi |
| EIS Construction llc | 5.0★ (4) | In Dale City |
| Elite Estate Management LLC | 5.0★ (2) | 20 mi |
| EMS General Contractors | 4.3★ (32) | In Dale City |
| FA Painting | 5.0★ (56) | In Dale City |
| King General Contracting, LLC | 4.7★ (33) | In Dale City |
| Lightspeed Restoration of Lorton, Manassas, and Fredericksburg | 5.0★ (101) | In Dale City |
| Michael Bonsby HVAC, Plumbing and Electrical | 4.8★ (2,138) | In Dale City |
| MP Builders Group | In Dale City | |
| Mr Joaquin Painting, LLC | 4.5★ (2) | 13 mi |
| Ocean Fireproofing | 5.0★ (2) | 18 mi |
| Prince William Home Improvement | 4.6★ (653) | In Dale City |
| RWH Contracting | 5.0★ (3) | In Dale City |
| Serviclean Inc | 5.0★ (138) | In Dale City |
| Smart Home Improvement DMV | 5.0★ (2) | 10 mi |
| Summit Environmental Solutions, Inc. | 2.0★ (2) | 7 mi |
| Universal Heat & Air LLC | 5.0★ (75) | In Dale City |
National price ranges in USD, not adjusted for Dale City. 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 91 Dale City 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 Dale City 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 |