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Best Insulation Contractors in Somersworth, NH (2026)

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

The short answer

  1. 1

    Best overall in Somersworth: Efficient Home Services, LLC, CR Score 55/100; 5.0★ from 13 Google reviews; open Saturdays until 1 PM.

  2. 4

    Best for emergencies (open 24/7): My Home Contracting, posts 24/7 hours; ranked #4 of 13.

  3. 3

    Most-reviewed: TC Hafford Basement Systems, 290 Google reviews at 4.6★, the most of 13 ranked; ranked #3.

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

13 Somersworth insulation contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7, 9 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.8★ across 13 rated businesses.

Top 10 insulation contractors in Somersworth at a glance

Top 10 insulation contractors in Somersworth at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Efficient Home Services, LLC555.0★ (13)Eliot, 6 mi awaySatOverall
2Simplified Green Homes554.8★ (39)Lebanon, 10 mi away——
3TC Hafford Basement Systems544.6★ (290)Biddeford, 13 mi awaySat · EveningsMost reviews
4My Home Contracting545.0★ (7)Concord, 21 mi away24/7Emergencies
5D&D Insulation LLC544.6★ (14)Barrington, 13 mi awaySat—
6Sheehan Real Estate LLC534.4★ (27)Durham, 9 mi away——
7Ambient Insulations LLC524.7★ (13)Hampton, 19 mi awaySat—
8Heatmizer Insulation llc515.0★ (8)Sanford, 12 mi away——
9Johnson Spray Foam Insulators LLC505.0★ (6)Pembroke, 20 mi awaySat—
10Quality Insulation of Portsmouth503.8★ (13)Portsmouth, 16 mi away——

The 13 best insulation contractors in Somersworth, ranked

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.

  2. #2 Simplified Green Homes

    Based in Lebanon, 10 mi away

    55/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.8★ from 39 Google reviews, listed on Google as “Insulation contractor”.

    • 4.8★ from 39 Google reviews
    Hours
    Mon–Fri 6:30 AM–5:30 PM · Sat–Sun closed
    Address
    9 Little River Rd, Lebanon, ME 04027
    View profile for Simplified Green Homes(800) 625-5958

  4. #4 My Home Contracting

    Based in Concord, 21 mi away

    54/100CR Score

    Ranked #4 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.

    • 5.0★ from 7 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    17 Raymond Rd, Deerfield, NH 03037
    View profile for My Home Contracting(603) 463-8898

  5. #5 D&D Insulation LLC

    Based in Barrington, 13 mi away

    54/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.6★ from 14 Google reviews, listed on Google as “Insulation contractor”.

    • 4.6★ from 14 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun closed
    Address
    300 Calef Hwy, Lee, NH 03861
    View profile for D&D Insulation LLC(603) 292-5071

  12. #12 A2B Spray Foam

    Based in Derry, 19 mi away

    49/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Sat 7 AM–7 PM · Sun closed
    View profile for A2B Spray Foam(978) 320-6145

Also serving Somersworth

14 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 Somersworth
BusinessGoogle ratingDistance
Bad Apple22 mi
Foam Fellas3.0★ (2)5 mi
Foam Fellas LLC Spray foam Insulation - Professional Spray Foam Insulation Contractor in Dover NH5 mi
Fox Hill Spray Foam3.0★ (2)16 mi
Insulkings21 mi
Irex Energy Solutions15 mi
Jones Boys Insulation Inc16 mi
Mainely Insulation23 mi
Pelletier Insulation LLC5.0★ (2)23 mi
Portsmouth Spray Foam Insulation Pros5.0★ (1)11 mi
Seacoast Home Services & Energy Auditing2 mi
Solarize Window Insulators5.0★ (1)20 mi
The Worthmore Group5.0★ (1)23 mi
Twin City Builders & Insulator24 mi

How much do insulation contractors cost in Somersworth?

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

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

We scored 13 Somersworth 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 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 Somersworth data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Insulation contractors in Somersworth: frequently asked questions

Who is the best insulation contractor in Somersworth?

By CR Score, the highest-ranked insulation contractor in Somersworth, NH is Efficient Home Services, LLC with a CR Score of 55/100. It has 5.0★ from 13 Google reviews. It is open Saturdays until 1 PM. Simplified Green Homes (#2) and TC Hafford Basement Systems (#3) follow. We ranked 13 insulation contractors on ten factors, last updated October 22, 2026.

How many insulation contractors are there in Somersworth?

ContractorsRanked ranks 13 insulation contractors serving Somersworth, NH. Another 14 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which insulation contractors in Somersworth are open 24/7?

1 ranked insulation contractor in Somersworth posts 24/7 hours. The highest-ranked is My Home Contracting (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which insulation contractors in Somersworth work on weekends?

9 of 13 ranked insulation contractors post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are Efficient Home Services, LLC (#1), TC Hafford Basement Systems (#3) and My Home Contracting (#4). Posted hours are office hours; crews may book weekend jobs separately.

How much does attic insulation cost in Somersworth?

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

What Google rating do Somersworth insulation contractors have?

The median Google rating among 13 rated insulation contractors in Somersworth is 4.8★, with a median of 13 reviews. TC Hafford Basement Systems has the most, 290 reviews, and ranks #3. 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do insulation contractors outside Somersworth count in this ranking?

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

  1. October 2026: CR Scores recalculated for 13 insulation contractors serving Somersworth.

More insulation contractors and Somersworth pages

Other trades in Somersworth