We had a new high efficiency gas furnace installed in our house about a year ago. The contractor informed us that the new “code” required that the furnace be vented out the side of the house instead ...
The concept of the “high-efficiency furnace” in popular consciousness dates back to the 1980s. That’s when the National Appliance Energy Conservation Act of 1987 required all new furnaces be 78 ...
The High-Efficiency Direct-Vent Furnaces are available in three models: 7,400-29,400 Btuh. The furnaces, model series 07735, 17735, and 29035, are designed as high-efficiency, low-profile furnaces ...