Today, standard furnaces are 80 percent efficient, while those with a rating of 90 percent or more are considered high-efficiency. Because all furnaces that generate heat with a flame produce ...

How efficiently a furnace converts gas into heating energy is reflected in its annual fuel-utilization-efficiency (AFUE) rating, which is measured as a percentage. The higher the number ...

However, there are also a few other factors to consider, including furnace efficiency ratings, sun exposure and the condition and construction of your home. Below, we'll walk you through ...

Then, keep reading to understand better the various types, sizes, thickness, and MERV (Minimum Efficiency Reporting Value) ratings of the best furnace filters. Many homes have a furnace that needs ...

rating for AC units and a high AFUE (Annual Fuel Utilization Efficiency) rating for furnaces. 3. Take Advantage of Rebates and Incentives Many utility companies, manufacturers and government ...

“We go through our 20-point checklist to make sure the furnace you have is the most efficient,” Richard said. A precision furnace call includes replacing the filter, cleaning the entire ...