16 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Charlestown: WaterTight Waterproofing, CR Score 85/100; 5.0★ from 259 Google reviews; open Saturdays until 6 PM.
Best for emergencies (open 24/7): Cox Roofing, posts 24/7 hours; ranked #4 of 16.
Most-reviewed: Action Pest Control, 95 Google reviews at 4.6★, the most of 16 ranked after WaterTight Waterproofing; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
16 Charlestown insulation contractors are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 6 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.5★ across 16 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | WaterTight Waterproofing | 85 | 5.0★ (259) | Louisville, 21 mi away | Sat · Evenings | Overall |
| 2 | Green Star Plus, LLC | 81 | 4.0★ (5) | Charlestown | — | — |
| 3 | Action Pest Control | 80 | 4.6★ (95) | Louisville, 17 mi away | Sat | Most reviews |
| 4 | Cox Roofing | 79 | 5.0★ (19) | New Albany, 14 mi away | 24/7 | Emergencies |
| 5 | Petrochem | 76 | 4.6★ (17) | Sellersburg, 7 mi away | — | — |
| 6 | Louisville Spray Foam Insulation Pros | 75 | 5.0★ (6) | Clarksville, 17 mi away | Sat | — |
| 7 | Isenberg Spray | 74 | 4.9★ (8) | Sellersburg, 9 mi away | — | — |
| 8 | Energy Savers LLC | 72 | 4.5★ (26) | Louisville, 22 mi away | — | — |
| 9 | Bay Insulation Systems of Kentucky Inc. | 71 | 4.4★ (14) | Louisville, 19 mi away | — | — |
| 10 | Builders' Insulation | 70 | 3.9★ (7) | Louisville, 19 mi away | — | — |
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: 5.0★ from 259 Google reviews, the most Google reviews on this list (259).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charlestown
Ranked #2 because of its Google rating and trade focus: 4.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Louisville, 17 mi away
Ranked #3 because of its Google rating and trade focus: 4.6★ from 95 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Albany, 14 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 19 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sellersburg, 7 mi away
Ranked #5 because of its Google rating and trade focus: 4.6★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Clarksville, 17 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sellersburg, 9 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Louisville, 22 mi away
Ranked #8 because of its Google rating and trade focus: 4.5★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Louisville, 19 mi away
Ranked #9 because of its Google rating and trade focus: 4.4★ from 14 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Louisville, 19 mi away
Ranked #10 because of its Google rating and trade focus: 3.9★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Clarksville, 11 mi away
Ranked #11 because of its Google rating and availability: 3.3★ from 4 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Louisville, 22 mi away
Ranked #12 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Clarksville, 20 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 8 Google reviews, open Saturdays until 7 PM.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Louisville, 18 mi away
Ranked #14 because of its Google rating and review volume: 4.8★ from 24 Google reviews, 24 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Albany, 12 mi away
Ranked #15 because of its Google rating and review volume: 4.1★ from 28 Google reviews, 28 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Jeffersonville, 8 mi away
Ranked #16 because of its Google rating and trade focus: 4.0★ from 14 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
19 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 |
|---|---|---|
| A/S Painting & Drywall Work | 5.0★ (1) | 18 mi |
| Action Pest Control | 5.0★ (1) | 19 mi |
| B and C Roofing and Insulation | 5.0★ (1) | 12 mi |
| Becht/Givens Service Experts | 11 mi | |
| Complete Home Solutions Plus | 11 mi | |
| Green Energy of Kentuckiana | 3.0★ (2) | 17 mi |
| Insulation Solution LLC | 12 mi | |
| Insulation Technologies Inc | 3.0★ (2) | 15 mi |
| Kentuckiana Insulation | 14 mi | |
| Kentucky Insulation Group | 5.0★ (1) | 18 mi |
| Louisville Roofing Siding | 18 mi | |
| MINCO INC. | 4.5★ (2) | 22 mi |
| Patfab LLC | 5.0★ (1) | 12 mi |
| PJ's Painting | 3.0★ (2) | 14 mi |
| Quality Duck Insulation | 21 mi | |
| Rios Industrial Insulation LLC | 5.0★ (1) | 18 mi |
| Smiley's Home Improvements | 5.0★ (1) | In Charlestown |
| Southern Indiana Insulation In | 10 mi | |
| Southern Indiana Spray Foam | 5.0★ (2) | 14 mi |
National price ranges in USD, not adjusted for Charlestown. 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 16 Charlestown 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 Charlestown 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 |