33 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Zachary: JA-ROY Pest Control, CR Score 63/100; 4.8★ from 984 Google reviews; open 24/7.
Best for emergencies (open 24/7): Koala Insulation of Baton Rouge, posts 24/7 hours; ranked #3 of 33.
Most-reviewed: Arrow Termite & Pest Control - Zachary, 211 Google reviews at 4.9★, the most of 33 ranked after JA-ROY Pest Control; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
33 Zachary insulation contractors are ranked here by CR Score, from ten published factors. 7 are open 24/7, 15 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 5.0★ across 33 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | JA-ROY Pest Control | 63 | 4.8★ (984) | Baton Rouge, 17 mi away | 24/7 | Overall |
| 2 | Arrow Termite & Pest Control - Zachary | 62 | 4.9★ (211) | Zachary | Sat · Evenings | Most reviews |
| 3 | Koala Insulation of Baton Rouge | 60 | 4.9★ (196) | Baton Rouge, 20 mi away | 24/7 | Emergencies |
| 4 | Sunlight Contractors | 58 | 5.0★ (143) | Baton Rouge, 14 mi away | Sat | — |
| 5 | Advanced | 55 | 4.3★ (7) | Baton Rouge, 13 mi away | 24/7 | — |
| 6 | Petrin Corporation | 55 | 4.7★ (31) | Port Allen, 15 mi away | — | — |
| 7 | Advanced Home Energy Solutions | 54 | 3.7★ (3) | Baton Rouge, 13 mi away | 24/7 | — |
| 8 | PolyCo, LLC Spray Foam Insulation-Baton Rouge | 54 | 4.9★ (50) | Baton Rouge, 14 mi away | — | — |
| 9 | Insulation Sales & Services | 54 | 4.3★ (4) | Baton Rouge, 6 mi away | — | — |
| 10 | A+ | 53 | 5.0★ (11) | Baton Rouge, 14 mi away | Sat · Evenings | — |
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 review volume: 4.8★ from 984 Google reviews, the most in Zachary.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Zachary
Ranked #2 because of its Google rating and trade focus: 4.9★ from 211 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baton Rouge, 20 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 196 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baton Rouge, 14 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 143 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baton Rouge, 13 mi away
Ranked #5 because of its Google rating and trade focus: 4.3★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Allen, 15 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Baton Rouge, 13 mi away
Ranked #7 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baton Rouge, 14 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baton Rouge, 6 mi away
Ranked #9 because of its Google rating and trade focus: 4.3★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Baton Rouge, 14 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baton Rouge, 8 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Zachary
Ranked #12 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 Baton Rouge, 13 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Central, 25 mi away
Ranked #14 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 Baton Rouge, 21 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Denham Springs, 18 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Broussard, 25 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Charles, 25 mi away
Ranked #18 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 Baton Rouge, 12 mi away
Ranked #19 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baton Rouge, 9 mi away
Ranked #20 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 Baton Rouge, 12 mi away
Ranked #21 because of its Google rating and trade focus: 4.4★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Morgan City, 25 mi away
Ranked #22 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 Central, 18 mi away
Ranked #23 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 Baton Rouge, 19 mi away
Ranked #24 because of its Google rating and trade focus: 4.0★ 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 Port Allen, 14 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Zachary. 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 33 Zachary 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 Zachary 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 |