50 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Winder: New Generation Spray Foam, CR Score 60/100; 4.9★ from 139 Google reviews; open Saturdays until 6 PM.
Best for emergencies (open 24/7): Daffy Ducts, posts 24/7 hours; ranked #10 of 50.
Most-reviewed: Power Home Remodeling, 3,570 Google reviews at 4.6★, the most of 50 ranked; ranked #23.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
50 Winder insulation contractors are ranked here by CR Score, from ten published factors. 6 are open 24/7, 27 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.8★ across 50 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | New Generation Spray Foam | 60 | 4.9★ (139) | Winder | Sat | Overall |
| 2 | JR SPRAY FOAM LLC | 57 | 5.0★ (112) | Auburn, 10 mi away | Sat | — |
| 3 | EcoShield Spray Foam | 56 | 5.0★ (18) | Winder | Sat | — |
| 4 | Sweet Spray Foam Insulation | 56 | 4.9★ (43) | Winder | — | — |
| 5 | Green Earth | 55 | 4.7★ (24) | Lawrenceville, 13 mi away | Sat · Sun · Evenings | — |
| 6 | Georgia Insulation Athens | 54 | 4.7★ (23) | Winder | — | — |
| 7 | Koala Insulation of Athens | 54 | 5.0★ (19) | Monroe, 9 mi away | — | — |
| 8 | Silver Lining Sprayfoam | 54 | 4.9★ (38) | Loganville, 13 mi away | Sat · Evenings | — |
| 9 | Tiger Company | 54 | 5.0★ (10) | Auburn, 7 mi away | Sat · Evenings | — |
| 10 | Daffy Ducts | 53 | 4.9★ (383) | Snellville, 20 mi away | 24/7 | Emergencies |
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 139 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 10 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 112 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Winder
Ranked #3 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Winder
Ranked #4 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lawrenceville, 13 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Winder
Ranked #6 because of its Google rating and trade focus: 4.7★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Monroe, 9 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Loganville, 13 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 7 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Snellville, 20 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 383 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lawrenceville, 16 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 50 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lawrenceville, 14 mi away
Ranked #12 because of its Google rating and review volume: 4.8★ from 142 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Athens, 17 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Monroe, 14 mi away
Ranked #14 because of its Google rating and review volume: 4.8★ from 101 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lawrenceville, 16 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flowery Branch, 18 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jefferson, 15 mi away
Ranked #17 because of its Google rating and trade focus: 4.4★ from 150 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Commerce, 13 mi away
Ranked #18 because of its Google rating and review volume: 4.7★ from 80 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Druid Hills, 20 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lawrenceville, 19 mi away
Ranked #20 because of its Google rating and review volume: 4.9★ from 102 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Suwanee, 25 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 47 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cartersville, 16 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 38 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duluth, 23 mi away
Ranked #23 because of its Google rating and review volume: 4.6★ from 3,570 Google reviews, the most in Winder.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Duluth, 21 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Monroe, 16 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
20 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 |
|---|---|---|
| 3j's insulation | 17 mi | |
| 4TH Attic Cleaning Buford | 5.0★ (1) | 19 mi |
| AirMaster Heating & Air, Inc. | 4.9★ (438) | In Winder |
| Best Home Renewvations | 1.0★ (1) | 17 mi |
| Dusty Greer Roofing Inc | 5.0★ (2) | In Winder |
| Hewatt Roofing | 5.0★ (303) | In Winder |
| Jedd Construction Services, LLC | 5.0★ (1) | 9 mi |
| Jet Contracting | 14 mi | |
| Johnson Insulation, LLC | 5.0★ (2) | 3 mi |
| KBP Construction Plus LLC | 4.6★ (46) | In Winder |
| Magbee Contractors Supply: Eastern Division | 3.8★ (38) | In Winder |
| North Georgia Foam, LLC | In Winder | |
| Parting Spray Foam | 3.0★ (1) | 17 mi |
| PLH Insulation LLC | 16 mi | |
| R & Son Construction LLC | 5.0★ (1) | 23 mi |
| Silver Lining Sprayfoam | 10 mi | |
| Southern Premier Roofing | 4.9★ (174) | In Winder |
| Sunrise Roofing LLC | 4.7★ (276) | In Winder |
| Trim-Co Exteriors | 4.5★ (50) | In Winder |
| Walton Insulation Co | 5.0★ (2) | 22 mi |
National price ranges in USD, not adjusted for Winder. 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 50 Winder 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 Winder 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 |