Single Stage System
Pulls 100% of power from the home on demand until thermostat is satisfied.
More About Single Stage Systems
A single stage system works in either 'On' or 'Off' mode. This is a common system that tends to be more affordable yet less efficient.
Related Terms
Multi-Stage System
This type of system allows for 2-3 levels of power pulled from...
Variable Speed System
A variable speed system is the most efficient...