Two-Stage Furnaces Comfort and 2 Stage Efficiency
https://www.acdirect.com/blog/two-stage-furnaces-maximizing-comfort-2-stage-efficiency/
WEBOct 10, 2023 · What Is a Two-Stage Furnace? A two-stage furnace has two levels of operation: a lower, energy-efficient mode and a higher, more powerful mode. Unlike single-stage furnaces that operate at full capacity all the time, a two-stage furnace adjusts its output depending on the current heating demand. Energy Efficiency and Cost Savings.
DA: 34 PA: 17 MOZ Rank: 35