Specifications include, but are not limited to: In accordance with the construction drawings, locally adopted building code and other authorities having jurisdiction provide the following services for (2) duplexes; (4 units total): Rough-in Heating– Provide forced air furnace and ducting. Provide all necessary wall & roof termination hood vent caps. Provide rough-in thermostat wiring. Apply UL listed ducts mastic to all joints, gaps and terminations in ductwork system. Rough-in Heating- Garage - Provide and install (2) 30k BTU Modine Hot Dawg natural gas unit heater or equal. Provide rough-in thermostat wiring. Rough-in Exhaust Systems- Provide rough-in exhaust systems including, bath fans, crawlspace fans, range hoods, dryer ventilation, garage unit heater. Heating and Exhaust Trim Out- Provide trim services for furnace, unit heater and all exhaust equipment (Range Hoods provided by others). Provide digital thermostats in living areas; analog thermostats in garages.