ZONEFIRST

ZONEFIRST is the first company that successfully developed HVAC Zoning Systems back in the 1950’s and is today a leading manufacturer of HVAC zone dampers & zoning systems. Several other major zoning companies are in business due to ZONEFIRST. It was in the mid to late 1950’s when Richard Foster developed the first automatic motorized dampers, registers and difusers that were thermostatically controlled. He marketed these products under the trade name Zone-A-Trol with another