82/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Insulation Contractors in Columbia Falls, MT (2026)
11 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Columbia Falls: DaSilva Spray Foam & Insulation, CR Score 82/100; 5.0★ from 5 Google reviews; open 24/7.
- 2
Most-reviewed: Montana Affordable Services, LLC., 308 Google reviews at 5.0★, the most of 11 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
11 Columbia Falls insulation contractors are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 3 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.7★ across 11 rated businesses.
Top 10 insulation contractors in Columbia Falls at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | DaSilva Spray Foam & Insulation | 82 | 5.0★ (5) | Evergreen, 12 mi away | 24/7 | Overall |
| 2 | Montana Affordable Services, LLC. | 81 | 5.0★ (308) | Kalispell, 12 mi away | Sat · Evenings | Most reviews |
| 3 | Moloney Insulation | 77 | 4.8★ (4) | Kalispell, 10 mi away | Sat | — |
| 4 | Spray MT | 75 | 4.7★ (19) | Whitefish, 8 mi away | — | — |
| 5 | Lilienthal Insulation | 75 | 4.2★ (27) | Kalispell, 10 mi away | — | — |
| 6 | CM Quality Insulation Inc | 74 | 2.3★ (3) | Kalispell, 16 mi away | — | — |
| 7 | Taylor Insulation inc. | 73 | 3.3★ (9) | Kalispell, 7 mi away | — | — |
| 8 | Complete Comfort Insulation | 72 | 5.0★ (6) | Kalispell, 18 mi away | — | — |
| 9 | AOT Insulation | 71 | 4.0★ (4) | Kalispell, 6 mi away | — | — |
| 10 | DaSilva Drywall & Construction | 69 | 5.0★ (32) | Evergreen, 12 mi away | — | — |
The 11 best insulation contractors in Columbia Falls, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Based in Kalispell, 12 mi away
81/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 308 Google reviews, the most Google reviews on this list (308).
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 308 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 87 Winchester St, Kalispell, MT 59901
Based in Kalispell, 10 mi away
77/100CR ScoreRanked #3 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.
- 4.8★ from 4 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun closed
- Address
- 30 Sand Hill Ln, Kalispell, MT 59901
#4 Spray MT
Based in Whitefish, 8 mi away
75/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.7★ from 19 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun closed
- Address
- 471 Cougar Trail, Whitefish, MT 59937
Based in Kalispell, 10 mi away
75/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.2★ from 27 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.2★ from 27 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 22 W Reserve Dr, Kalispell, MT 59901
Based in Kalispell, 16 mi away
74/100CR ScoreRanked #6 because of its Google rating and trade focus: 2.3★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 2.3★ from 3 Google reviews
- Address
- 6099 Old Hwy 35, Bigfork, MT 59911
Based in Kalispell, 7 mi away
73/100CR ScoreRanked #7 because of its Google rating and trade focus: 3.3★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 3.3★ from 9 Google reviews
- Hours
- Mon–Thu 8 AM–4 PM · Fri 8 AM–3 PM · Sat–Sun closed
- Address
- 1865 Trumble Creek Rd, Kalispell, MT 59901
Based in Kalispell, 18 mi away
72/100CR ScoreRanked #8 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.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 4039 U.S. 93 S, Kalispell, MT 59901
Based in Kalispell, 6 mi away
71/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.0★ from 4 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 3890 US-2, Kalispell, MT 59901
Based in Evergreen, 12 mi away
69/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 32 Google reviews, 32 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 32 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
Based in Kalispell, 11 mi away
68/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.2★ from 16 Google reviews, listed on Google as “Plumbing supply store”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.2★ from 16 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 2435 U.S. Hwy 2 E, Kalispell, MT 59901
Also serving Columbia Falls
7 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 |
|---|---|---|
| Dave's Insulation | 10 mi | |
| G & G Construction & Insulation | 5.0★ (2) | 5 mi |
| Iconic Spray Foam Insulation | 5.0★ (2) | 7 mi |
| Manzo & Co Insulation LLC | 5.0★ (1) | 12 mi |
| South Mountain Seamless Gutters, llc | 4.5★ (2) | In Columbia Falls |
| Valley Wide Spray Foam and Insulation | 5.0★ (2) | 12 mi |
| Wildcat Insulation | 11 mi |
How much do insulation contractors cost in Columbia Falls?
National price ranges in USD, not adjusted for Columbia Falls. 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 |
How we ranked Columbia Falls insulation contractors
We scored 11 Columbia Falls 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 Columbia Falls 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 |
Insulation contractors in Columbia Falls: frequently asked questions
Who is the best insulation contractor in Columbia Falls?
By CR Score, the highest-ranked insulation contractor in Columbia Falls, MT is DaSilva Spray Foam & Insulation with a CR Score of 82/100. It has 5.0★ from 5 Google reviews. It is open 24/7. Montana Affordable Services, LLC. (#2) and Moloney Insulation (#3) follow. We ranked 11 insulation contractors on 8 factors, last updated October 22, 2026.
How many insulation contractors are there in Columbia Falls?
ContractorsRanked ranks 11 insulation contractors serving Columbia Falls, MT. Another 7 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Columbia Falls are open 24/7?
1 ranked insulation contractor in Columbia Falls posts 24/7 hours. The highest-ranked is DaSilva Spray Foam & Insulation (#1). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Columbia Falls work on weekends?
3 of 11 ranked insulation contractors post Saturday hours and 1 post Sunday hours. The highest-ranked open Saturdays are DaSilva Spray Foam & Insulation (#1), Montana Affordable Services, LLC. (#2) and Moloney Insulation (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Columbia Falls?
Attic insulation typically costs $1,700 to $2,500, with $2,100 typical (Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range). This is a national range, not adjusted for Columbia Falls. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Columbia Falls insulation contractors have?
The median Google rating among 11 rated insulation contractors in Columbia Falls is 4.7★, with a median of 9 reviews. Montana Affordable Services, LLC. has the most, 308 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank insulation contractors?
Each insulation contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do insulation contractors outside Columbia Falls count in this ranking?
Yes, if they are within 25 mi of the Columbia Falls city center, our service radius for insulation contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Columbia Falls
- October 2026: CR Scores recalculated for 11 insulation contractors serving Columbia Falls.
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