Get a $0 Diagnostic Check for your Furnace equipmentOffer expires October 31, 2023.View Terms and Conditions Shop Plans Terms and Conditions: Get a $0 Diagnostic Check for your Furnace equipment Offer expires March 31, 2024. We reserve the right to change or cancel this offer at any time without prior notice. Customer will not be charged our standard $99 + HST ($129 + HST weekends and statutory holiday) diagnostic rate for heating and cooling equipment services. Offer is not available in all areas. Cost of repairs not included.