Problems For High Efficiency Furnace
High efficiency furnaces are becoming more common in homes across the country. Soon they are likely to become mandatory for all new furnaces installed here in the United States.The Department of Energy proposal to require all new furnaces installed in new homes or the replacement of existing furnaces is likely to soon take effect. The DOE is seeking to require a minimum efficiency rating (AFUE) of 92% on new furnaces. With high efficiency furnaces come high efficiency furnace problems.