This simple formula can help you decide whether it's smarter to repair or replace your HVAC system.

The HVAC industry thrives on extremes. When the mercury rises or falls, so do replacement sales. But this summer, even with plenty of heat across much of the country, residential contractors reported ...

Walk into a car dealership and the window sticker gives the shopper a pretty good snapshot: MSRP, factory rebates, estimated fuel cost, and five‑year cost of ownership. Shoppers scan the figures, feel ...