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Best Insulation Contractors in New Castle, PA (2026)

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

The short answer

  1. 1

    Best overall in New Castle: Penn Ohio Roofing & Siding Group, CR Score 56/100; 4.7★ from 401 Google reviews; open 24/7.

  2. 7

    Best for emergencies (open 24/7): Repairtechn llc, posts 24/7 hours; ranked #7 of 8.

  3. 4

    Most-reviewed: Boak & Sons, Inc., 160 Google reviews at 4.8★, the most of 8 ranked after Penn Ohio Roofing & Siding Group; ranked #4.

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

8 New Castle insulation contractors are ranked here by CR Score, from ten published factors. 2 are open 24/7, 4 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.8★ across 8 rated businesses.

Top 8 insulation contractors in New Castle at a glance

Top 8 insulation contractors in New Castle at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Penn Ohio Roofing & Siding Group564.7★ (401)Sharon, 18 mi away24/7Overall
2Efficient Insulation Inc544.8★ (33)Ellwood City, 12 mi away——
3NMG Properties535.0★ (6)Austintown, 17 mi awaySat · Sun—
4Boak & Sons, Inc.504.8★ (160)Youngstown, 24 mi awaySatMost reviews
5The Barn Inc484.0★ (8)Youngstown, 20 mi away——
6Suburban Insulation Inc.483.6★ (24)Economy, 24 mi away——
7Repairtechn llc465.0★ (4)Youngstown, 21 mi away24/7Emergencies
8The Green Building Pros, Ltd.424.5★ (11)Canfield, 23 mi away——

The 8 best insulation contractors in New Castle, 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.

  3. #3 NMG Properties

    Based in Austintown, 17 mi away

    53/100CR Score

    Ranked #3 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Sat 9 AM–5 PM · Sun 9 AM–2 PM
    View profile for NMG Properties(330) 565-5685

  4. #4 Boak & Sons, Inc.

    Based in Youngstown, 24 mi away

    50/100CR Score

    Ranked #4 because of its Google rating and review volume: 4.8★ from 160 Google reviews.

    • 4.8★ from 160 Google reviews
    Hours
    Mon–Fri 7:30 AM–5 PM · Sat 8 AM–12 PM · Sun closed
    Address
    75 Victoria Rd, Youngstown, OH 44515
    View profile for Boak & Sons, Inc.(330) 366-1415

  5. #5 The Barn Inc

    Based in Youngstown, 20 mi away

    48/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.

    • 4.0★ from 8 Google reviews
    Hours
    Mon–Fri 7 AM–4 PM · Sat–Sun closed
    Address
    408 N Meridian Rd, Youngstown, OH 44509
    View profile for The Barn Inc(330) 469-8372

  7. #7 Repairtechn llc

    Based in Youngstown, 21 mi away

    46/100CR Score

    Ranked #7 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.

    • 5.0★ from 4 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4385 Burkey Rd, Youngstown, OH 44515
    View profile for Repairtechn llc(330) 203-1211

How much do insulation contractors cost in New Castle?

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

How much do insulation contractors cost in New Castle?
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 New Castle insulation contractors

We scored 8 New Castle 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 New Castle 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 New Castle: frequently asked questions

Who is the best insulation contractor in New Castle?

By CR Score, the highest-ranked insulation contractor in New Castle, PA is Penn Ohio Roofing & Siding Group with a CR Score of 56/100. It has 4.7★ from 401 Google reviews. It is open 24/7. Efficient Insulation Inc (#2) and NMG Properties (#3) follow. We ranked 8 insulation contractors on ten factors, last updated October 22, 2026.

How many insulation contractors are there in New Castle?

ContractorsRanked ranks 8 insulation contractors serving New Castle, PA. Counts are as of October 2026.

Which insulation contractors in New Castle are open 24/7?

2 ranked insulation contractors in New Castle post 24/7 hours. The highest-ranked are Penn Ohio Roofing & Siding Group (#1) and Repairtechn llc (#7). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which insulation contractors in New Castle work on weekends?

4 of 8 ranked insulation contractors post Saturday hours and 3 post Sunday hours. The highest-ranked open Saturdays are Penn Ohio Roofing & Siding Group (#1), NMG Properties (#3) and Boak & Sons, Inc. (#4). Posted hours are office hours; crews may book weekend jobs separately.

How much does attic insulation cost in New Castle?

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

What Google rating do New Castle insulation contractors have?

The median Google rating among 8 rated insulation contractors in New Castle is 4.8★, with a median of 18 reviews. Penn Ohio Roofing & Siding Group has the most, 401 reviews, and ranks #1. 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 New Castle count in this ranking?

Yes, if they are within 25 mi of the New Castle 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 New Castle

  1. October 2026: CR Scores recalculated for 8 insulation contractors serving New Castle.

More insulation contractors and New Castle pages

Other trades in New Castle