Energy Efficiency
Why Your Furnace Filter Is Wet, and When the Water Is a Problem
High-efficiency furnaces make water every time they run. When the filter is soaked, that water has usually lost its way out, and the fix is often simple.
Why Your Heat Pump Bill Is So High: The Auxiliary Heat Trap
Heat pumps can deliver up to three times more heat than the electricity they use. Backup resistance strips deliver one-to-one, and in some homes they end up doing much of the work.
Why No Office Thermostat Setting Ever Satisfies Everyone
The fight over the office thermostat has a real physiological and historical explanation, and it isn't just personal pickiness.
Why Your AC Can't Keep Up When It's 100 Degrees Outside
A central AC running flat out at 79 degrees on a 99-degree afternoon is usually doing exactly what it was engineered to do. The symptom that actually signals a fault is different, and easy to miss.
Does Closing Air Vents in Unused Rooms Save Money?
Closing vents in unused rooms feels like it should cut your bill. The physics of your ductwork says otherwise, and the habit can quietly damage your HVAC system.