Each year, unintentional carbon monoxide (CO) poisoning is responsible for more than 20,000 emergency room visits and 400 deaths, according to the Centers for Disease Control and Prevention (CDC). CO ...

Skipping the manufacturer's instructions during installation may result in a furnace that fails within six months or less. For example, heat exchangers can crack from improper venting, and gas valves ...

Bob is a service technician who is well trained and nationally certified. However, he has sometimes suffered from the same confusion that all technicians occasionally do — the facts that he gathers ...