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Great Northern Home Exteriors Inc.Window installer in St. Catharines, ON

Great Northern Home Exteriors Inc. is a window installer at 21 Duke St suite 107, St. Catharines, ON L2R 5W1, ranked #8 of 375 window installers in St. Catharines and rated 4.9 from 52 Google reviews. Open Monday to Saturday.

St. Catharines, ONUpdated 0 paid placements in any rankingHow we rank

Call (289) 362-2644Website ↗

Key facts

Key facts about Great Northern Home Exteriors Inc.
Address21 Duke St suite 107, St. Catharines, ON L2R 5W1Get directions
Phone(289) 362-2644
Websitegnhe.ca
HoursMonday to Friday: 8 AM – 8 PM; Saturday: 10 AM – 5 PM
Google rating4.9 from 52 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Windowsmain tradeGoogle main category
  • Sidingadditional Google category

Service area

Serves St. Catharines and 11 towns within 64 km: Thorold, Niagara Falls, Welland, Port Colborne, Fort Erie, Binbrook, Oakville, Hamilton, Burlington, Mississauga and East York.

Based in St. Catharines, ONView on map

Opening hours

Opening hours for Great Northern Home Exteriors Inc.
DayHours
Monday8 AM – 8 PMevening
Tuesday8 AM – 8 PMevening
Wednesday8 AM – 8 PMevening
Thursday8 AM – 8 PMevening
Friday8 AM – 8 PMevening
Saturday10 AM – 5 PM
SundayClosed
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays — no

Typical window installation prices

Typical window installation prices
JobLowTypicalHigh
Window replacementPer project (several windows): typical range of customer-reported projects. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)CA$4,830CA$10,330CA$16,640

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby window installers

Great Northern Home Exteriors Inc. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Great Northern Home Exteriors Inc. (this business)—584.9 (52)—YesNo
Scott Windows & Doors of Niagara#6585.0 (60)—YesNo4.0 km
Ontario Window Care - Window Cleaning & Exterior Services#7585.0 (65)—YesYes4.5 km
Myles Calvert & Son Windows and Doors#9585.0 (105)—YesNo13.3 km

See all 375 ranked window installers in St. Catharines

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 52 Google reviews

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Questions about Great Northern Home Exteriors Inc.

How is Great Northern Home Exteriors Inc. ranked in St. Catharines?

Great Northern Home Exteriors Inc. is ranked #8 of 375 window installers in St. Catharines by CR Score, with 58 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 Great Northern Home Exteriors Inc.’s hours?

Great Northern Home Exteriors Inc. is open Monday to Saturday. Its listed hours are Monday to Friday, 8 AM – 8 PM; Saturday, 10 AM – 5 PM. On Saturdays it is open 10 AM to 5 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Great Northern Home Exteriors Inc. serve?

Serves St. Catharines and 11 towns within 64 km: Thorold, Niagara Falls, Welland, Port Colborne, Fort Erie, Binbrook, Oakville, Hamilton, Burlington, Mississauga and East York. The list is based on the business's location and the usual service radius for window installation. Confirm your address is covered when you call.

What do Google reviews say about Great Northern Home Exteriors Inc.?

Great Northern Home Exteriors Inc. has a rating of 4.9 from 52 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 Great Northern Home Exteriors Inc.?

Call Great Northern Home Exteriors Inc. on (289) 362-2644. The business is at 21 Duke St suite 107, St. Catharines, ON L2R 5W1. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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