Two-stage heating means the furnace has two levels of heat output: high for cold winter days and low for milder days. Since the low setting is adequate to meet household heating demands 80% of the time, a two-stage unit runs for longer periods and provides more even heat distribution.
Also, when should you switch to emergency heat? When Should I Switch My Heat Pump Thermostat to Emergency Heat? [FAQ] Short answer: You should only set your heat pumps thermostat to “emergency heat” when your heat pump stops heating altogether. And in that case, you should also call a professional for help.
In this regard, is emergency heat more expensive?
Using Emergency Heat May Cause Higher Heating Bills: Emergency heat is more expensive than its traditional counterpart, so you will probably see a spike in your utility bills if you need to use it. You should use emergency heat for the shortest period of time possible.
Is running emergency heat bad?
Do NOT use the Emergency Heat setting unless its really an emergency; for example, when the heat pump doesnt work. You wont notice a difference in how well it heats your home, but you will notice a difference in your electricity bills.
