The S9V2 is a two-stage' variable speed furnace that is 96% AFUE across all models. S9V2 is 34” tall' a full 6” shorter than legacy furnaces' but is offered in the same depth and widths. S9V2 provides three-way (upflow' horizontal left and horizontal right) with a separate model family that is dedicated downflow. All tonnages offer two different venting options in any position' with easy reconfiguring and no kits required for venting. All models are certified to air leakage of less than 1% of the design airflow rate according to ASHRAE 193 and are Energy Star® certified.
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