2013 Federal Furnace Efficiency Law The new Department of Energy regional efficiency standards require all furnaces installed after May 1, 2013 in Northern states to be at least 90% efficient. Do you believe these new standards will help or hurt your business? Please explain.   In most situations it won’t affect the business at all, as we are already installing mostly 96-98% efficient furnaces.  Many homeowners are already looking for the most efficient furnace possible. On the other...