15 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Sioux Falls: Koala Insulation of Sioux Falls, CR Score 86/100; 4.9★ from 151 Google reviews.
Best for emergencies (open 24/7): Comfort Heroes Plumbing, Heating, Air, & Electric, posts 24/7 hours; ranked #3 of 15.
Most-reviewed: Lightning Exteriors, 66 Google reviews at 4.6★, the most of 15 ranked after Koala Insulation of Sioux Falls; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
15 Sioux Falls insulation contractors are ranked here by CR Score, from 8 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 | Koala Insulation of Sioux Falls | 86 | 4.9★ (151) | Sioux Falls | — | Overall |
| 2 | NuVision Spray Foam Insulation, Inc | Slab Jacking & Concrete Lifting | 85 | 4.9★ (8) | Sioux Falls | — | — |
| 3 | Comfort Heroes Plumbing, Heating, Air, & Electric | 83 | 4.6★ (40) | Brandon, 7 mi away | 24/7 | Emergencies |
| 4 | Precision Drywall Inc | 83 | 3.5★ (6) | Sioux Falls | — | — |
| 5 | 605 Sprayfoam | 81 | 5.0★ (12) | Harrisburg, 7 mi away | Sat · Evenings | — |
| 6 | Lightning Exteriors | 79 | 4.6★ (66) | Sioux Falls | Sat | Most reviews |
| 7 | RL Drywall & Insulation Inc. | 78 | 4.8★ (54) | Sioux Falls | — | — |
| 8 | Tri State Foam & Coatings | 78 | 5.0★ (4) | Brandon, 6 mi away | Sat | — |
| 9 | Halde Insulation & Siding, Inc. | 78 | 4.4★ (10) | Sioux Falls | — | — |
| 10 | Leyva Drywall & Insulation LLC | 77 | 4.2★ (12) | Sioux Falls | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.9★ from 151 Google reviews, the most Google reviews on this list (151).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sioux Falls
Ranked #2 because of its Google rating and trade focus: 4.9★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Brandon, 7 mi away
Ranked #3 because of its Google rating and availability: 4.6★ from 40 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sioux Falls
Ranked #4 because of its Google rating and trade focus: 3.5★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Harrisburg, 7 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sioux Falls
Ranked #6 because of its Google rating and review volume: 4.6★ from 66 Google reviews, 66 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sioux Falls
Ranked #7 because of its Google rating and review volume: 4.8★ from 54 Google reviews, 54 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brandon, 6 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sioux Falls
Ranked #9 because of its Google rating and trade focus: 4.4★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sioux Falls
Ranked #10 because of its Google rating and trade focus: 4.2★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sioux Falls
Ranked #11 because of its Google rating and trade focus: 4.0★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sioux Falls
Ranked #12 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sioux Falls
Ranked #13 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brandon, 2 mi away
Ranked #14 because of its Google rating and review volume: 5.0★ from 31 Google reviews, 31 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sioux Falls
Ranked #15 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
10 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 |
|---|---|---|
| Affordable Spray Foam and Insulation Solutions | In Sioux Falls | |
| Dakota AeroBarrier | In Sioux Falls | |
| K&J Insulation | 5.0★ (1) | In Sioux Falls |
| Kooiker Roofing & Urethane Insulation | In Sioux Falls | |
| Murphy Company | In Sioux Falls | |
| Northland Coatings Inc | In Sioux Falls | |
| PatchMaster Sioux Empire | 4.9★ (235) | In Sioux Falls |
| Sioux Falls Spray Foam Insulation | In Sioux Falls | |
| Total Spray Foam | 5.0★ (1) | In Sioux Falls |
| Woods Roofing, Inc. | 5.0★ (90) | In Sioux Falls |
National price ranges in USD, not adjusted for Sioux Falls. 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 Sioux Falls 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.
| Factor | Weight | Computed from | In Sioux Falls data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |