* Limited time offer. Minimum 5 window order for signed windows installation contract between February 1st to May 31st. Centra Discount will be subtracted directly from your invoice. Offer available for limited time and subject to change or cancellation without notice. * * To determine the eligibility of an upgrade under the Livesmart BC Efficiency Incentive Program, Contact Livesmart B.C. at www.livesmartbc.ca or call 1-866-430-8765. * *