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

In most refrigeration and air conditioning systems, refrigerant will want to travel, or migrate, to a place where the pressure is the lowest.

Let’s answer a common static pressure question — how many hoses should you use with your manometer?

In this troubleshooting situation, the customer’s description of the problem is that the unit is “running a lot, and not keeping the building warm.”

Your troubleshooting situation this month involves a complaint from a customer about their heat pump that’s not working.

Let’s look at how you can use a return grille and supply register temperature measurement to uncover one source of uncomfortable rooms.

Your troubleshooting situation this month involves an 80% single stage gas furnace that has been in service approximately seven years.

Ducts play a crucial role but are often overlooked.

Tom Yacobellis of DUCTS North America wants ventilation pros to avoid the first potential pitfall on most jobs. Do a professional ventilation inspection.

Let’s explore how to check furnace heating output in four steps and see what clues it provides.