15 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Harrisburg: 605 Sprayfoam, CR Score 58/100; 5.0★ from 12 Google reviews; open Saturdays until 5 PM.
Best for emergencies (open 24/7): Comfort Heroes Plumbing, Heating, Air, & Electric, posts 24/7 hours; ranked #4 of 15.
Most-reviewed: Koala Insulation of Sioux Falls, 151 Google reviews at 4.9★, the most of 15 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
15 Harrisburg insulation contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7, 5 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.9★ across 15 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | 605 Sprayfoam | 58 | 5.0★ (12) | Harrisburg | Sat · Evenings | Overall |
| 2 | Koala Insulation of Sioux Falls | 58 | 4.9★ (151) | Sioux Falls, 22 mi away | — | Most reviews |
| 3 | NuVision Spray Foam Insulation, Inc | Slab Jacking & Concrete Lifting | 55 | 4.9★ (8) | Sioux Falls, 9 mi away | — | — |
| 4 | Comfort Heroes Plumbing, Heating, Air, & Electric | 54 | 4.6★ (40) | Brandon, 13 mi away | 24/7 | Emergencies |
| 5 | Precision Drywall Inc | 54 | 3.5★ (6) | Sioux Falls, 7 mi away | — | — |
| 6 | City Wide Insulation | 54 | 4.0★ (12) | Sioux Falls, 5 mi away | — | — |
| 7 | Leyva Drywall & Insulation LLC | 54 | 4.2★ (12) | Sioux Falls, 6 mi away | — | — |
| 8 | RL Drywall & Insulation Inc. | 54 | 4.8★ (54) | Sioux Falls, 9 mi away | — | — |
| 9 | Tri State Foam & Coatings | 53 | 5.0★ (4) | Brandon, 9 mi away | Sat | — |
| 10 | Halde Insulation & Siding, Inc. | 53 | 4.4★ (10) | Sioux Falls, 10 mi away | — | — |
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: 5.0★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 22 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 151 Google reviews, the most in Harrisburg.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 9 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Brandon, 13 mi away
Ranked #4 because of its Google rating and review volume: 4.6★ from 40 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 7 mi away
Ranked #5 because of its Google rating and trade focus: 3.5★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Sioux Falls, 5 mi away
Ranked #6 because of its Google rating and trade focus: 4.0★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 6 mi away
Ranked #7 because of its Google rating and trade focus: 4.2★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 9 mi away
Ranked #8 because of its Google rating and review volume: 4.8★ from 54 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brandon, 9 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 10 mi away
Ranked #10 because of its Google rating and trade focus: 4.4★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 9 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 12 mi away
Ranked #12 because of its Google rating and review volume: 4.6★ from 66 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 6 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brandon, 10 mi away
Ranked #14 because of its Google rating and review volume: 5.0★ from 31 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 6 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Harrisburg. 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 15 Harrisburg 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.
| Factor | Weight | Computed from | In Harrisburg 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 |