# Great Northern Home Exteriors Inc. > Great Northern Home Exteriors Inc. (GNHE) is a Niagara Region exterior renovation company serving homeowners since 2009. GNHE provides replacement windows, entry doors, patio doors, vinyl siding, eavestrough, soffit and fascia installation across Niagara and selected nearby Ontario communities. GNHE provides product guidance, clear written estimates and professional installation. This website contains service guides, city-specific service pages, completed project galleries and practical homeowner resources. - Website: https://gnhe.ca/ - Telephone: 289-362-2644 - Email: gnheontario@gmail.com - Primary service area: Niagara Region, Ontario, and selected nearby communities - Estimates: Free, no-pressure estimates - Workmanship coverage: Five-year workmanship warranty on qualifying GNHE installation work - Window products: Made-to-order KV Custom Windows with i89 glass included as standard in GNHE window packages - Window installation: Retrofit and full-frame options are recommended according to the condition of the existing opening - Entry doors: Made-to-order steel and fibreglass entry systems, including sidelites, transoms and double-door configurations - Final product availability, installation scope and pricing are confirmed for each project before ordering ## Primary Service Guides - [Replacement Windows](https://gnhe.ca/windows/): Window construction, styles, glass packages, colours, grilles, retrofit installation and full-frame installation. - [Entry Doors](https://gnhe.ca/entry-doors/): Steel and fibreglass entry doors, decorative glass, sidelites, transoms, colours, hardware and installation. - [Patio Doors](https://gnhe.ca/patio-doors/): Sliding patio-door configurations, glass, colours, grilles, screens, hardware and installation. - [Siding](https://gnhe.ca/siding/): Vinyl siding profiles, colours, exterior design, wall preparation, weather protection and installation. - [Eavestrough, Soffit and Fascia](https://gnhe.ca/eavestrough/): Five-inch and six-inch seamless aluminum eavestrough, downspouts, soffit, fascia and optional gutter protection. ## Window Replacement Service Areas - [St. Catharines Window Replacement](https://gnhe.ca/st-catharines-windows/): Replacement windows and retrofit or full-frame window installation in St. Catharines. - [Niagara Falls Window Replacement](https://gnhe.ca/niagara-falls-windows/): Replacement windows and window installation in Niagara Falls. - [Niagara-on-the-Lake Window Replacement](https://gnhe.ca/niagara-on-the-lake-windows/): Replacement windows and window installation in Niagara-on-the-Lake. - [Welland Window Replacement](https://gnhe.ca/welland-windows/): Replacement windows and window installation in Welland. - [Fort Erie Window Replacement](https://gnhe.ca/fort-erie-windows/): Replacement windows and window installation in Fort Erie. - [Port Colborne Window Replacement](https://gnhe.ca/port-colborne-windows/): Replacement windows and window installation in Port Colborne. - [Pelham and Fonthill Window Replacement](https://gnhe.ca/pelham-windows/): Replacement windows and window installation in Pelham, Fonthill and nearby communities. - [Beamsville Window Replacement](https://gnhe.ca/beamsville-windows/): Replacement windows and window installation in Beamsville and West Niagara. - [Grimsby Window Replacement](https://gnhe.ca/grimsby-windows/): Replacement windows and window installation in Grimsby. - [Smithville Window Replacement](https://gnhe.ca/smithville-windows/): Replacement windows and window installation in Smithville. - [Dunnville Window Replacement](https://gnhe.ca/dunnville-windows/): Replacement windows and window installation in Dunnville and Haldimand County. - [Wainfleet Window Replacement](https://gnhe.ca/wainfleet-windows/): Replacement windows and window installation in Wainfleet. - [Stoney Creek Window Replacement](https://gnhe.ca/stoney-creek-windows/): Replacement windows and window installation in Stoney Creek. - [Hamilton Window Replacement](https://gnhe.ca/hamilton-windows/): Replacement windows and window installation in Hamilton. - [Chippawa Window Replacement](https://gnhe.ca/chippawa-windows/): Replacement windows and window installation in Chippawa and south Niagara Falls. ## Entry Door Service Areas - [St. Catharines Entry Doors](https://gnhe.ca/st-catharines-entry-doors/): Entry door replacement and installation in St. Catharines. - [Niagara Falls Entry Doors](https://gnhe.ca/niagara-falls-entry-doors/): Entry door replacement and installation in Niagara Falls. - [Niagara-on-the-Lake Entry Doors](https://gnhe.ca/niagara-on-the-lake-entry-doors/): Entry door replacement and installation in Niagara-on-the-Lake. - [Welland Entry Doors](https://gnhe.ca/welland-entry-doors/): Entry door replacement and installation in Welland. - [Fort Erie Entry Doors](https://gnhe.ca/fort-erie-entry-doors/): Entry door replacement and installation in Fort Erie. - [Port Colborne Entry Doors](https://gnhe.ca/port-colborne-entry-doors/): Entry door replacement and installation in Port Colborne. - [Pelham and Fonthill Entry Doors](https://gnhe.ca/pelham-entry-doors/): Entry door replacement and installation in Pelham, Fonthill and nearby communities. - [Beamsville Entry Doors](https://gnhe.ca/beamsville-entry-doors/): Entry door replacement and installation in Beamsville and West Niagara. - [Grimsby Entry Doors](https://gnhe.ca/grimsby-entry-doors/): Entry door replacement and installation in Grimsby. - [Smithville Entry Doors](https://gnhe.ca/smithville-entry-doors/): Entry door replacement and installation in Smithville. - [Dunnville Entry Doors](https://gnhe.ca/dunnville-entry-doors/): Entry door replacement and installation in Dunnville and Haldimand County. - [Wainfleet Entry Doors](https://gnhe.ca/wainfleet-entry-doors/): Entry door replacement and installation in Wainfleet. - [Stoney Creek Entry Doors](https://gnhe.ca/stoney-creek-entry-doors/): Entry door replacement and installation in Stoney Creek. ## Siding Installation Service Areas - [St. Catharines Siding Installation](https://gnhe.ca/st-catharines-siding-installation/): Vinyl siding replacement and installation in St. Catharines. - [Niagara Falls Siding Installation](https://gnhe.ca/niagara-falls-siding-installation/): Vinyl siding replacement and installation in Niagara Falls. - [Niagara-on-the-Lake Siding Installation](https://gnhe.ca/niagara-on-the-lake-siding-installation/): Vinyl siding replacement and installation in Niagara-on-the-Lake. - [Welland Siding Installation](https://gnhe.ca/welland-siding-installation/): Vinyl siding replacement and installation in Welland. - [Fort Erie Siding Installation](https://gnhe.ca/fort-erie-siding-installation/): Vinyl siding replacement and installation in Fort Erie. - [Port Colborne Siding Installation](https://gnhe.ca/port-colborne-siding-installation/): Vinyl siding replacement and installation in Port Colborne. - [Pelham and Fonthill Siding Installation](https://gnhe.ca/pelham-siding-installation/): Vinyl siding replacement and installation in Pelham, Fonthill and nearby communities. - [Beamsville Siding Installation](https://gnhe.ca/beamsville-siding-installation/): Vinyl siding replacement and installation in Beamsville and West Niagara. - [Grimsby Siding Installation](https://gnhe.ca/grimsby-siding-installation/): Vinyl siding replacement and installation in Grimsby. - [Smithville Siding Installation](https://gnhe.ca/smithville-siding-installation/): Vinyl siding replacement and installation in Smithville. - [Dunnville Siding Installation](https://gnhe.ca/dunnville-siding-installation/): Vinyl siding replacement and installation in Dunnville and Haldimand County. - [Wainfleet Siding Installation](https://gnhe.ca/wainfleet-siding-installation/): Vinyl siding replacement and installation in Wainfleet. - [Stoney Creek Siding Installation](https://gnhe.ca/stoney-creek-siding-installation/): Vinyl siding replacement and installation in Stoney Creek. ## Eavestrough, Soffit and Fascia Service Areas - [St. Catharines Eavestrough Installation](https://gnhe.ca/st-catharines-eavestrough-installation/): Eavestrough replacement and installation, soffit and fascia in St. Catharines. - [Niagara Falls Eavestrough Installation](https://gnhe.ca/niagara-falls-eavestrough-installation/): Eavestrough replacement and installation, soffit and fascia in Niagara Falls. - [Niagara-on-the-Lake Eavestrough Installation](https://gnhe.ca/niagara-on-the-lake-eavestrough-installation/): Eavestrough replacement and installation, soffit and fascia in Niagara-on-the-Lake. - [Welland Eavestrough Installation](https://gnhe.ca/welland-eavestrough-installation/): Eavestrough replacement and installation, soffit and fascia in Welland. - [Fort Erie Eavestrough Installation](https://gnhe.ca/fort-erie-eavestrough-installation/): Eavestrough replacement and installation, soffit and fascia in Fort Erie. - [Port Colborne Eavestrough Installation](https://gnhe.ca/port-colborne-eavestrough-installation/): Eavestrough replacement and installation, soffit and fascia in Port Colborne. - [Pelham and Fonthill Eavestrough Installation](https://gnhe.ca/pelham-eavestrough-installation/): Eavestrough replacement and installation, soffit and fascia in Pelham, Fonthill and nearby communities. - [Beamsville Eavestrough Installation](https://gnhe.ca/beamsville-eavestrough-installation/): Eavestrough replacement and installation, soffit and fascia in Beamsville and West Niagara. - [Grimsby Eavestrough Installation](https://gnhe.ca/grimsby-eavestrough-installation/): Eavestrough replacement and installation, soffit and fascia in Grimsby. - [Smithville Eavestrough Installation](https://gnhe.ca/smithville-eavestrough-installation/): Eavestrough replacement and installation, soffit and fascia in Smithville. - [Dunnville Eavestrough Installation](https://gnhe.ca/dunnville-eavestrough-installation/): Eavestrough replacement and installation, soffit and fascia in Dunnville and Haldimand County. - [Wainfleet Eavestrough Installation](https://gnhe.ca/wainfleet-eavestrough-installation/): Eavestrough replacement and installation, soffit and fascia in Wainfleet. - [Stoney Creek Eavestrough Installation](https://gnhe.ca/stoney-creek-eavestrough-installation/): Eavestrough replacement and installation, soffit and fascia in Stoney Creek. ## Completed Project Galleries - [GNHE Project Gallery](https://gnhe.ca/gallery/): Overview of completed window, door, patio-door, siding and exterior projects. - [Window Installation Gallery](https://gnhe.ca/window-installations/): Completed replacement window projects and installation details. - [Entry Door Installation Gallery](https://gnhe.ca/entry-door-installation-gallery/): Completed entry door projects and entrance configurations. - [Patio Door Installation Gallery](https://gnhe.ca/patio-door-installations/): Completed patio-door installations. - [Vinyl Siding Installation Gallery](https://gnhe.ca/vinyl-siding-installation-gallery/): Completed vinyl siding projects. - [Storm Door and Enclosure Gallery](https://gnhe.ca/storm-door-and-enclosure-installations/): Completed storm-door and enclosure installations. ## Company Information - [GNHE Home](https://gnhe.ca/): Exterior renovation services across Niagara Region and selected nearby communities. - [Service Areas](https://gnhe.ca/service-areas/): GNHE services and location-specific pages organized by community. - [About Great Northern Home Exteriors](https://gnhe.ca/about-us/): Company background, service approach and installation standards. - [Workmanship Warranty](https://gnhe.ca/workmanship-warranty/): Information about GNHE's five-year workmanship warranty. - [Contact GNHE](https://gnhe.ca/contact-us/): Estimate requests and business contact information. - [Home Improvement Blog](https://gnhe.ca/blog/): Practical homeowner guides and GNHE project articles. ## Window Guides - [What Is i89 Glass?](https://gnhe.ca/what-is-i89-glass/): Explanation of the room-side Low-E coating included in GNHE window packages. - [Differences Between Window Styles](https://gnhe.ca/whats-the-difference-between-window-styles/): Comparison of casement, awning, slider, double-hung and picture windows. - [How to Tell If a Window Is Installed Incorrectly](https://gnhe.ca/how-to-tell-if-a-window-is-installed-incorrectly/): Warning signs involving operation, air leakage, water and finishing. - [When to Replace Windows](https://gnhe.ca/how-to-know-when-its-time-to-replace-your-windows/): Common signs that existing windows may need replacement. - [Preparing for Replacement Window Installation](https://gnhe.ca/how-to-prepare-for-replacement-window-installation/): Practical steps homeowners can take before installation day. - [Comparing Window Price and Value](https://gnhe.ca/is-the-cheapest-window-price-really-the-best-value/): Factors to compare beyond the initial window price. - [Finding a Reliable Window Replacement Contractor](https://gnhe.ca/how-to-find-a-reliable-window-replacement-contractor/): Contractor qualifications, installation questions and warning signs. - [Window Warranty Coverage](https://gnhe.ca/what-warranty-coverage-should-i-expect-for-new-windows/): Differences between manufacturer product coverage and workmanship coverage. - [Why Window Installation Matters](https://gnhe.ca/why-window-installation-matters-more-than-the-window-itself/): How measuring, preparation, sealing and finishing affect the completed window. - [Choosing Window Glass Performance](https://gnhe.ca/why-super-efficient-windows-can-sometimes-increase-heating-costs/): U-factor, solar heat gain, energy rating and glass-package considerations. - [Full-Frame Window Installation](https://gnhe.ca/why-full-frame-window-installation-is-the-better-choice-for-your-home/): Situations where removing the complete existing frame may be appropriate. - [Welland Full-Frame and Retrofit Guide](https://gnhe.ca/welland-window-replacement-full-frame-vs-retrofit-guide/): Comparison of the two installation methods for Welland homeowners. - [Winter Window Replacement in Niagara Falls](https://gnhe.ca/winter-window-replacement-in-niagara-falls/): Considerations for completing window replacement during winter. ## Door and Patio-Door Guides - [Are Entry Doors Energy Efficient?](https://gnhe.ca/are-entry-doors-energy-efficient/): Door construction, air leakage, frames, weatherstripping and installation. - [Turning a Window Into a Patio Door](https://gnhe.ca/can-you-turn-a-window-into-a-patio-door/): A GNHE project involving a masonry opening and custom sliding patio door. - [Choosing an Entry Door Colour](https://gnhe.ca/how-to-choose-the-right-entry-door-colour-for-your-home/): Coordinating the entrance with siding, brick, trim, roofing and hardware. - [Choosing an Entry Door in St. Catharines](https://gnhe.ca/choosing-the-right-entry-door-for-your-st-catharines-home/): Steel, fibreglass and full-frame door considerations for local homeowners. - [What Professional Door Installation Includes](https://gnhe.ca/whats-actually-included-in-a-professional-door-installation-service/): Sill preparation, insulation, capping, trim, hardware and finishing considerations. ## Siding Guides and Projects - [St. Catharines Siding and Window Project](https://gnhe.ca/st-catharines-siding-and-window-project/): Completed exterior project involving board-and-batten siding and window replacement. - [Can New Siding Increase Home Value?](https://gnhe.ca/will-new-siding-increase-your-homes-value/): Curb appeal, exterior condition, maintenance and resale considerations. - [DIY or Professional Siding Installation](https://gnhe.ca/can-i-install-siding-myself-or-should-i-hire-a-pro/): Factors that determine whether professional installation is appropriate. - [Vinyl Siding for Niagara Homes](https://gnhe.ca/why-premium-vinyl-siding-is-built-for-niagara-homes/): Siding materials, insulation, weather exposure and installation considerations. - [Choosing a Siding Contractor in Niagara](https://gnhe.ca/how-to-choose-the-best-siding-contractor-near-you-in-niagara/): Installation quality, preparation, warranties and contractor evaluation. - [Replacing Siding and Windows Together](https://gnhe.ca/should-i-replace-siding-and-windows-together-a-niagara-homeowners-guide/): Project order, flashing, trim and coordination considerations.