Harper Insulation IncInsulation contractor in Thunder Bay, ON
Harper Insulation Inc is an insulation contractor at 899 Tungsten St, Thunder Bay, ON P7B 6H2, ranked #1 of 6 insulation contractors in Thunder Bay and rated 4.8 from 30 Google reviews. Open Monday to Friday.
Thunder Bay, ONUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 899 Tungsten St, Thunder Bay, ON P7B 6H2Get directions |
|---|---|
| Phone | (807) 701-7131 |
| Website | harperinsulation.com |
| Hours | Monday to Friday: 8 AM – 6 PM |
| Google rating | 4.8 from 30 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- Insulationmain tradeGoogle main category
Service area
Based in Thunder Bay, ONView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 8 AM – 6 PM |
| Tuesday | 8 AM – 6 PM |
| Wednesday | 8 AM – 6 PM |
| Thursday | 8 AM – 6 PM |
| Friday | 8 AM – 6 PM |
| Saturday | Closed |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays — no
- Open Sundays — no
Typical insulation prices
| Job | Low | Typical | High |
|---|---|---|---|
| Attic insulationPer attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | CA$2,390 | CA$2,950 | CA$3,510 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
Compare nearby insulation contractors
| Business | Rank | CR Score | Google rating | License verified | Saturday | Sunday | Distance away |
|---|---|---|---|---|---|---|---|
| Harper Insulation Inc (this business) | — | 61 | 4.8 (30) | — | No | No | |
| Thunder Bay Insulations Limited | #2 | 59 | 4.6 (16) | — | No | No | 6.9 km |
| Keating Inc. | #3 | 57 | 5.0 (4) | — | Yes | No | 1.7 km |
Reviews
ContractorsRanked reviews
No ContractorsRanked reviews yet
4.8from 30 Google reviews
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Questions about Harper Insulation Inc
How is Harper Insulation Inc ranked in Thunder Bay?
Harper Insulation Inc is ranked #1 of 6 insulation contractors in Thunder Bay by CR Score, with 61 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.
What are Harper Insulation Inc’s hours?
Harper Insulation Inc is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 6 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.
What do Google reviews say about Harper Insulation Inc?
Harper Insulation Inc has a rating of 4.8 from 30 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.
How do I contact Harper Insulation Inc?
Call Harper Insulation Inc on (807) 701-7131. The business is at 899 Tungsten St, Thunder Bay, ON P7B 6H2. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.
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