16 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Jefferson City: NexGen Insulation, CR Score 56/100; 4.9★ from 30 Google reviews.
Best for emergencies (open 24/7): One Way Air, posts 24/7 hours; ranked #2 of 16.
Most-reviewed: AFS Foundation & Waterproofing Specialists, 973 Google reviews at 4.9★, the most of 16 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
16 Jefferson City insulation contractors are ranked here by CR Score, from ten published factors. 3 are open 24/7, 6 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.9★ across 16 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | NexGen Insulation | 56 | 4.9★ (30) | Jefferson City | — | Overall |
| 2 | One Way Air | 55 | 5.0★ (216) | Sevierville, 19 mi away | 24/7 | Emergencies |
| 3 | AFS Foundation & Waterproofing Specialists | 55 | 4.9★ (973) | Knoxville, 22 mi away | Sat · Sun · Evenings | Most reviews |
| 4 | Petty Asphalt Maintenance | 54 | 5.0★ (26) | Knoxville, 12 mi away | — | — |
| 5 | Cardwell Insulation | 53 | 4.2★ (6) | Sevierville, 14 mi away | Sat · Sun · Evenings | — |
| 6 | Southern Industries Home Improvements | 53 | 4.6★ (430) | Knoxville, 22 mi away | 24/7 | — |
| 7 | Spray Foam Genie of Knoxville | 53 | 5.0★ (6) | Jonesborough, 5 mi away | Evenings | — |
| 8 | Caliber Insulation Services | 52 | 4.9★ (20) | Knoxville, 24 mi away | Sat · Evenings | — |
| 9 | D & S Insulation | 51 | 4.3★ (6) | Morristown, 16 mi away | — | — |
| 10 | Above & Beyond Demolition & Junk Removal | 50 | 5.0★ (23) | Church Hill, 21 mi away | 24/7 | — |
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: 4.9★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sevierville, 19 mi away
Ranked #2 because of its Google rating and review volume: 5.0★ from 216 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 22 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 973 Google reviews, the most in Jefferson City.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 12 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sevierville, 14 mi away
Ranked #5 because of its Google rating and trade focus: 4.2★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 22 mi away
Ranked #6 because of its Google rating and review volume: 4.6★ from 430 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jonesborough, 5 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 24 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 20 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Morristown, 16 mi away
Ranked #9 because of its Google rating and trade focus: 4.3★ 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 Church Hill, 21 mi away
Ranked #10 because of its Google rating and availability: 5.0★ from 23 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farragut, 25 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 20 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 24 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Knoxville, 21 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 23 mi away
Ranked #15 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seymour, 24 mi away
Ranked #16 because of its Google rating and review volume: 4.8★ from 37 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
9 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 |
|---|---|---|
| Accu-Coat Knoxville | 24 mi | |
| Ashton Britt Service Company | 4.5★ (173) | In Jefferson City |
| Budget Heating & Air Conditioning | 4.9★ (253) | In Jefferson City |
| Hang-N-Dry Drywall | 3.7★ (3) | In Jefferson City |
| Lakeway Insulation | 5.0★ (1) | 13 mi |
| Seal Heat and Air | 4.9★ (243) | In Jefferson City |
| Waddell Insulation & Window Co | 3.0★ (2) | In Jefferson City |
| WeatherTite | 4.0★ (1) | In Jefferson City |
| Zipfoam | 3.0★ (2) | 23 mi |
National price ranges in USD, not adjusted for Jefferson City. 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 Jefferson City 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 Jefferson City 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 |