Lormac is your Vinyl Replacement Window Installation Company in London, St. Thomas and surrounding area.

Let Lormac design the new look of replacement windows on your home for that unique look you have always dreamed of, and the comfort and energy efficiency you need. Lormac is YOUR vinyl replacement window installation and design company in Southwestern Ontario!

Compare Replacement Windows | London, Ontario

Lormac Exclusive Enter-rite Vinyl Replacement Windows General Information

Lormac replacement windows are custom made to our specifications by Vinylbilt® Windows. Vinylbilt® is a Canadian company that has been manufacturing windows for over 30 years. They are one of the largest Canadian vinyl window manufacturers and the key to their success is their commitment to quality by ensuring only the best manufacturing technologies, window components, products, and warranties are made available to their customers. Lormac has been selling windows for over thirty years and we believe that Vinylbilt® offers the finest vinyl windows and warranty on the market today.

Click on a picture below for more detailed information on specific window styles.

Casement Windows
Bay-Bow Windows
garden windows
vinyl windows
sliding windows
Hung windows
Awning Window
Cardinal Glass

Specific window styles may contain different features and hardware requirements, however behind every window we sell there are common standard features that are guaranteed to provide you with the best window on the market today:

  • All of our PVC windows are made from patented Polyresin 3 technology using pure ‘virgin’ vinyl, they are not made from recycled vinyl and do not contain unnecessary ‘fillers’. Polyresin 3 provides superior weathering and impact retention, and will not warp, crack or peel. It also provides for a natural white colour.
  • All of our replacement windows utilize Cardinal Glass Soft Coat LOE coatings. This is the second generation type of LOE coatings that offer far superior reflective and insulating properties than first generation ‘hard coat’ LOE. Please see our Soft Coat LoE² page for more info.
  • All of our replacement windows use Edgetech Super Spacer® Premium Plus (Lifetime Warranty) warm edge technology. This is the best window spacer system in the market.
  • All of our windows include Argon gas. Krypton is available as an option. Tests conducted on Vinylbilt® windows demonstrate that the superior sealant used on our windows will allow a gas permeation (leakage) of less than 1/3 of 1% per year. Other manufacturers use sealants that could allow leakage of up to 3% per year. Our replacement windows are also guaranteed to be filled to 98% of volume with Argon or Krypton, far exceeding the industry standard of 75%!
  • All of our windows use Santoprene Bulb Seals
  • All of our replacement windows use Truth Maxim Hardware – the premium hardware on the market today
  • All of our Slider and Hung Windows use a double locking latch system for your security
  • All of our Slider and Hung windows use a secondary ‘Night Latch’ security system
  • All of our replacement windows incorporate a ‘Bug Proof’ window system
  • All of our windows are Energy Star certified and qualify for the Home Energy Retrofit Program
  • All of our windows are CSA tested and far exceed minimal CSA 440 standards
  • All of our windows are Window Wise™ Certified
  • All of our windows are installed by Window Wise™ Certified installers
  • All of our windows are backed by a Fully Transferable 100% Lifetime Non Pro-Rated Warranty
Home Energy Savings Home Energy Retrofit Program currently offers $80.00 rebate per window and door, click here for more info.


North American Window Certification
All Vinylbilt® windows meet or exceed North American standard requirements for air tightness, wind-load resistance, water penetration and forced-entry prevention.

  • Soft Coat LoE² and Argon Gas
  • Architectural Super Spacer
  • Forced Entry Locks
  • Night Latches
  • Bug Proof Windows
  • Krypton
  • Stainless Steel constant balances
  • Maximum force hardware with fold down handles
  • Polyresin Vinyl
  • Triple Soft Coat LOE available
  • Simply Clear Glass
  • Energy Star rated!
VinylbiltEnergy StarAmerican Architectural Manufacturers AssociationCSA Window WiseNational Fenestration Rating Council
Address: LORMAC Renovation Centre 8374 Longwoods Road, London, Ontario, N6P 1L5 | Toll Free: 1-800-205-6219
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Lormac Inc., Home Improvements, London, ON