Zoning a Forced-Warm-Air Heating System

The design of some residences, particularly the larger split-level homes, often causes balancing problems for the heating system. As a result, certain rooms will remain much colder than the rest of the house. This is a problem that cannot be corrected simply by turning up the heat, because the rest of the house will become too hot. The most effective solution is to divide the heating system into two sep­arate zones, each controlled by its own thermostat. A motorized damper is installed in the existing duct system and is regulated by thermostats to obtain the balance.

Posted in Audel HVAC Fundamentals Volume 1 Heating Systems, Furnaces, and Boilers