Modulating furnaces adjust the temperature more frequently than single- or two-stage furnaces. Stelpro modulating electric furnaces use state-of-the-art electronic controls that frequently adapt to changes in temperature. As a result, they offer higher energy efficiency as the furnaces do not need to adjust large differences in temperature.
Stelpro offers SFE, SFEx, and SFECM series modulating electric furnaces. They come equipped with a built-in temperature sensor and offer easy-to-use modes, including an ECO mode.
Each series offers different motor options:
They offer these shared features: