This is the stoichiometric amount of air and excess air as specified on the Auxiliary Boiler Performance input screen . •1b: Auxiliary Gas In: This is the flow rate of natural gas necessary to provide ...

Isometric house with conditioner in cold production This image is also available animated: diagram of heating system stock illustrations Smart energy-saving heating system with outdoor reset control.

Solid fuel boiler,pellet stove vector line icon, outline concept, linear sign Heating, ventilation, and air conditioning systems diagram. Pellet boiler, heating systems with wood. Vector. Modern home ...