Completed gas furnace replacement. Disconnected and removed the old furnace and set the new one on blocks in its place. Reconnected the gas, electric, pvc vent pipes and the ductwork. Installed a new T4 thermostat and connected it to the furnace. Run tested the furnace but our office will contact you to schedule a technician start up at your convenience. Thank you for choosing Black-Haak Heating and Electric. Please take a moment to fill out our online survey.