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ContractorsRanked

Best Insulation Contractors in Clarksburg, MD (2026)

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

The short answer

  1. 1

    Best overall in Clarksburg: Senate Termite & Pest Control, CR Score 90/100; 4.6★ from 2,638 Google reviews; open 24/7.

  2. 3

    Best for emergencies (open 24/7): Michael & Son Services, posts 24/7 hours; ranked #3 of 82.

  3. 4

    Most-reviewed: EcoShield Pest Solutions, 4,576 Google reviews at 4.7★, the most of 82 ranked; ranked #4.

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

82 Clarksburg insulation contractors are ranked here by CR Score, from 8 published factors. 10 are open 24/7, 47 open Saturdays and 16 open Sundays, based on posted hours. The median Google rating is 4.7★ across 82 rated businesses.

Most of this list also appears on the Insulation contractors in Germantown ranking. See Insulation contractors in Germantown

Top 10 insulation contractors in Clarksburg at a glance

Top 10 insulation contractors in Clarksburg at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Senate Termite & Pest Control904.6★ (2,638)Gaithersburg, 10 mi away24/7Overall
2Environmental Pest Control874.9★ (2,014)Germantown, 5 mi awaySat—
3Michael & Son Services834.9★ (1,501)Sterling, 18 mi away24/7Emergencies
4EcoShield Pest Solutions824.7★ (4,576)Sterling, 19 mi awaySatMost reviews
5Crawl Space Brothers814.9★ (30)Laurel, 24 mi away24/7—
6Environmental Pest Control814.8★ (231)Mount Airy, 11 mi awaySat—
7Crawl Space Brothers814.4★ (5)Rockville, 13 mi away24/7—
8Green Pest Services814.8★ (822)Bethesda, 20 mi away24/7—
9Comfenergy804.8★ (378)Sterling, 17 mi awaySat—
10Atlas Home Energy Solutions804.9★ (858)Frederick, 12 mi away——

The 82 best insulation contractors in Clarksburg, 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.

  2. #2 Environmental Pest Control

    Based in Germantown, 5 mi away

    87/100CR Score

    Ranked #2 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

  4. #4 EcoShield Pest Solutions

    Based in Sterling, 19 mi away

    82/100CR 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 Green Pest Services

    Based in Bethesda, 20 mi away

    81/100CR Score

    Ranked #8 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

  9. #9 Comfenergy

    Based in Sterling, 17 mi away

    80/100CR Score

    Ranked #9 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

  17. #17 Terra Insulation

    Based in Gaithersburg, 8 mi away

    78/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.8★ from 178 Google reviews, listed on Google as “Insulation contractor”.

    • 4.8★ from 178 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    Address
    8340 Beechcraft Ave Unit C, Gaithersburg, MD 20879
    View profile for Terra Insulation(301) 660-8579

  18. #18 EDGE Energy

    Based in Reston, 21 mi away

    78/100CR Score

    Ranked #18 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

  20. #20 PestNow

    Based in Sterling, 19 mi away

    77/100CR 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

  22. #22 Presidential Exteriors

    Based in Rockville, 11 mi away

    77/100CR Score

    Ranked #22 because of its Google rating and review volume: 4.7★ from 1,445 Google reviews, 1,445 Google reviews.

    • 4.7★ from 1,445 Google reviews
    Hours
    Mon–Fri 8 AM–8 PM · Sat 8 AM–2 PM · Sun closed
    Address
    2301 Research Blvd Suite 300, Rockville, MD 20850
    View profile for Presidential Exteriors(301) 664-2403

How much do insulation contractors cost in Clarksburg?

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

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

We scored 82 Clarksburg 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 Clarksburg 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 Clarksburg: frequently asked questions

Who is the best insulation contractor in Clarksburg?

By CR Score, the highest-ranked insulation contractor in Clarksburg, MD is Senate Termite & Pest Control with a CR Score of 90/100. It has 4.6★ from 2,638 Google reviews. It is open 24/7. Environmental Pest Control (#2) and Michael & Son Services (#3) follow. We ranked 82 insulation contractors on 8 factors, last updated October 22, 2026.

Which insulation contractors in Clarksburg are open 24/7?

10 ranked insulation contractors in Clarksburg post 24/7 hours. The highest-ranked are Senate Termite & Pest Control (#1), Michael & Son Services (#3) and Crawl Space Brothers (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which insulation contractors in Clarksburg work on weekends?

47 of 82 ranked insulation contractors post Saturday hours and 16 post Sunday hours. The highest-ranked open Saturdays are Senate Termite & Pest Control (#1), Environmental Pest Control (#2) and Michael & Son Services (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does attic insulation cost in Clarksburg?

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

What Google rating do Clarksburg insulation contractors have?

The median Google rating among 82 rated insulation contractors in Clarksburg is 4.7★, with a median of 39 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 Clarksburg count in this ranking?

Yes, if they are within 25 mi of the Clarksburg 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.

Can insulation contractors pay to rank higher on ContractorsRanked?

No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.

Update log for Clarksburg

  1. October 2026: CR Scores recalculated for 82 insulation contractors serving Clarksburg.
  2. October 2026: 1 duplicate listing merged.

More insulation contractors and Clarksburg pages

Other trades in Clarksburg