KV Custom Windows

What is i89 glass?

Great Northern Home Exteriors / January 18, 2026

What Is I-89 Glass? I-89 glass is an advanced Low-E glass technology designed to significantly improve energy efficiency and indoor [...]

Winter bay window installation completed by Great Northern Home Exteriors at a Niagara Falls home, featuring a full-frame vinyl bay window upgrade.

Niagara Falls Windows, Windows

Winter Window Replacement in Niagara Falls

Great Northern Home Exteriors / December 9, 2025

Winter Window Replacement in Niagara Falls: Yes, It’s Absolutely Safe Many Niagara Falls homeowners assume window replacement has to wait

Diagram showing original rough opening and new full-frame replacement window with brickmould, casing and insulation for a Fort Erie home.

Installation Tips, Windows

Why Full-Frame Window Installation Is the Better Choice for Your Home

Great Northern Home Exteriors / November 24, 2025

Why Full-Frame Window Installation Is the Better Choice for Your Home Replacing your windows is one of the best upgrades