HVAC Replacement Made Easy: What to Do When Your Air Conditioner or Furnace Calls It Quits There it is again. That knocking. Or banging. Or whining. Or, even worse, the dreaded sound of silence when your air conditioner or furnace is supposed to be running. You can no longer keep moving...

When Is High Efficiency Too High? Your HVAC Purchase Guide High efficiency might just be the marketing buzzword of the 21st century. This term is used to highlight all kinds of good things - lower energy bills, fewer emissions, less consumption of fossil fuels. But a high efficiency...