Web: The Best Gas Furnaces of 2016 | Top Ten Reviews
This means that buying the biggest and most energy-efficient furnace on the market is typically not
Video: MERV 13 Furnace and Air Conditoner Filters - What is the Best Furnace / AC Filter on the Market?
Q & A
I don't think it much matters. Most furnaces these days have excellent warranties on the heat exchangers, and the electronics are much improved...
Please provide parameters for judgment: efficiency, longevity, maintainability, cost? What are your criterion?...