Arrived onsite customer has no heat on half of the house, located a section of 10†ducting was was separated and crushed. Provided pricing for repairs, customer approved, will order parts and schedule once it arrives. Arrived onsite to repair section of 10†ducting. Cut out destroyed ducting, installed new metal duct, and insulated. Confirmed that every register had heat before leaving. Serviced furnace while onsite. No issues were present, inlet and outlet gas pressures were within range for a propane furnace. Supply temp was 110 degrees. Return temp was 75 degrees. No carbon monoxide was present in the duct stream. Pilot assembly is working properly. Blower amps are 3.3 amps. Thank you for choosing CPI Plumbing and Heating Inc.