LEWISBURG, Tenn. — Tempstar recently introduced the N4H6 Performance 16 heat pump and N4A7 Performance 17 air conditioner, improving on its two-stage heating and cooling product lines. These units are ...
The high-efficiency Smart Comfort™ IIS 90 gas furnaces provide improved comfort of two-stage operation with conventional multispeed PSC blower motors, the company states. These models reduce the ...
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