15 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Fargo: Quality Insulation Services, CR Score 85/100; 5.0★ from 39 Google reviews; open Saturdays until 7 PM.
Best for emergencies (open 24/7): iFOAM Insulation of Fargo, posts 24/7 hours; ranked #2 of 15.
Most-reviewed: American Waterworks, 151 Google reviews at 4.7★, the most of 15 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
15 Fargo 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 4.8★ across 15 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Quality Insulation Services | 85 | 5.0★ (39) | Moorhead, 2 mi away | Sat · Evenings | Overall |
| 2 | iFOAM Insulation of Fargo | 85 | 4.3★ (6) | West Fargo, 6 mi away | 24/7 | Emergencies |
| 3 | ND Insulation Contractors | 84 | 5.0★ (12) | Fargo | — | — |
| 4 | Ideal Insulation LLC | 81 | 5.0★ (18) | West Fargo, 8 mi away | Sat · Evenings | — |
| 5 | RetroFoam Of Fargo | 79 | 4.8★ (32) | West Fargo, 4 mi away | — | — |
| 6 | Cullen Insulation | 78 | 4.2★ (31) | Fargo | — | — |
| 7 | TCS Insulation & Coatings of Fargo | 78 | 5.0★ (19) | Moorhead, 21 mi away | Sat | — |
| 8 | American Waterworks | 77 | 4.7★ (151) | Fargo | — | Most reviews |
| 9 | Thermal Energy Products | 76 | 5.0★ (5) | Fargo | — | — |
| 10 | Cross Insulation | 75 | 4.8★ (4) | Fargo | — | — |
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 trade focus: 5.0★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in West Fargo, 6 mi away
Ranked #2 because of its Google rating and availability: 4.3★ from 6 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fargo
Ranked #3 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in West Fargo, 8 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in West Fargo, 4 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 32 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fargo
Ranked #6 because of its Google rating and trade focus: 4.2★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Moorhead, 21 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 6 of 8 factors; credentials and recency not yet collected.
Based in Fargo
Ranked #8 because of its Google rating and review volume: 4.7★ 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 Fargo
Ranked #9 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 Fargo
Ranked #10 because of its Google rating and trade focus: 4.8★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fargo
Ranked #11 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Moorhead, 10 mi away
Ranked #12 because of its Google rating and review volume: 4.5★ from 32 Google reviews, 32 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in West Fargo, 8 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Moorhead, 5 mi away
Ranked #14 because of its Google rating and availability: 1.8★ from 12 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in West Fargo, 6 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
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 |
|---|---|---|
| ABC Seamless of Fargo | 4.5★ (176) | In Fargo |
| Baer Spray Foam Insulation | 5.0★ (2) | 6 mi |
| Complete Painting LLC | 5.0★ (3) | In Fargo |
| Custom Basement Solutions | 4.8★ (55) | In Fargo |
| DaBella | 4.6★ (573) | In Fargo |
| Draft Busters, INC | 1.0★ (1) | 3 mi |
| Fargo Roofing & Siding | 5.0★ (581) | In Fargo |
| Foam Doctor | 5.0★ (1) | In Fargo |
| G & O Insulation Co Inc | 5.0★ (2) | In Fargo |
| Home Heating, Plumbing & A/C, Inc. | 4.8★ (684) | In Fargo |
| Ivan's Drywall & Painting | 5.0★ (3) | In Fargo |
| Olympic Companies, Inc. | 5.0★ (1) | In Fargo |
| Premiere Building Systems, Inc. | 3.0★ (4) | In Fargo |
| Red River Insulation Company | In Fargo | |
| Ryezon Construction - Garage Builder | 4.9★ (30) | In Fargo |
| Save Energy Insulation | In Fargo | |
| Steamatic of Fargo | 4.9★ (415) | In Fargo |
| Structural Materials Inc | 4.6★ (38) | In Fargo |
| Thomsen Homes | 3.8★ (200) | In Fargo |
| Window World of Fargo | 4.9★ (452) | In Fargo |
National price ranges in USD, not adjusted for Fargo. 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 Fargo 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 Fargo 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 |