Nortek Global HVAC is adding a new 96% AFUE gas furnace to its lineup. Model FG7TE/FG7TN comes with a factory-installed ECM motor and programmable control board. The new furnace meets Energy Star requirements and qualifies for local utility rebates and the U.S. federal tax credit.
Retrieving every last bit of performance from the system while stopping short of the surge line is no small feat. Dig into sizing, tower selection, chilled water loads and stability, and condenser water management to leave no efficiency stone unturned. Read more in April issue