6 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Sioux City: Handyman Lopez LLC, CR Score 58/100; 4.9★ from 27 Google reviews; open Saturdays until 12 PM.
Most-reviewed: Guarantee Roofing & Siding, 14 Google reviews at 3.3★, the most of 6 ranked after Handyman Lopez LLC; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
6 Sioux City insulation contractors are ranked here by CR Score, from ten published factors. 1 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.5★ across 6 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Handyman Lopez LLC | 58 | 4.9★ (27) | Sioux City | Sat | Overall |
| 2 | R.M. White Company | 58 | 5.0★ (3) | Sioux City | — | — |
| 3 | Siouxland Insulation Ltd | 58 | 4.7★ (3) | Sioux City | Sun · Evenings | — |
| 4 | Diamond Insulation | 57 | 4.4★ (5) | Sioux City | — | — |
| 5 | Guarantee Roofing & Siding | 52 | 3.3★ (14) | Sioux City | — | Most reviews |
| 6 | Complete Interiors, Inc. | 49 | 3.7★ (3) | Sioux City | — | — |
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: 4.9★ from 27 Google reviews, the most in Sioux City.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux City
Ranked #2 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 Sioux City
Ranked #3 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux City
Ranked #4 because of its Google rating and trade focus: 4.4★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux City
Ranked #5 because of its Google rating and review volume: 3.3★ from 14 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux City
Ranked #6 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulator supplier”.
Based on 8 of 10 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Sioux 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 6 Sioux 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 Sioux 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 |