If contractors don’t have a plan in place to handle red tag furnace second opinions, they can expect some mistakes.

For technicians who run across older furnaces where air conditioners were later added, it pays to know how a fan center operates.

The biggest tip is that combustion analysis should be the first and last thing completed during any heating appliance repair.

The ACHR NEWS visited Flame Furnace in Warren, Michigan to learn how to do maintenance and basic troubleshooting on a furnace.

The NEWS’ senior managing editor, Maria Taylor, visited Flame Furnace in Warren, Michigan to learn about electrical wiring in furnaces. Taylor then practiced her skills on a furnace simulation board.

The ACHR NEWS’ web editor, Layan Dahhan, visited Flame Furnace in Warren, Michigan, to find out how the company trains its technicians to troubleshoot furnace and a/c units.

Any furnace with induced draft combustion may occasionally exhibit unburned gas odor near the furnace in the off cycle.

The equipment in this month’s troubleshooting problem is an electric furnace that has been in service for at least ten years and has no service history.

Our troubleshooting problem involves a complaint from a customer who is concerned that their electric furnace is running excessively and wasting energy.