Two-stage operation, or two-stage cooling, means the air conditioner or heat pump has a compressor with two levels of operation: high for hot summer days and ...
A two stage-cooling feature allows for two output levels of air condition or heat pump operation depending on your cooling needs.
Enjoy the energy-saving, quiet operating, consistent comfort of two-speed operation with this Preferred™ Series heat pump. With cooling efficiency up to 17.5 ...
May 9, 2013 ... On the other hand, the two-stage compressor can operate at part load or full load capacity. When cooling is needed, the two-stage heat pump ...
Feb 2, 2012 ... http://www.lennox.com/products/heat-pumps/ ) Unlike typical single-stage heat pumps that operate only at full power, Lennox® heat pumps like ...
Oct 20, 2014 ... Two-stage heat pumps cost more upfront, but will cost less to operate. But people mainly get them because of the extra comfort they provide.
Jun 14, 2012 ... If you're looking for a system that maximizes energy efficiency, a two-stage AC or heat pump may be what you need.
Single stage compressors in ACs and heat pumps have only one speed – 100%. .... Operating cost: The more efficient your AC is, the less it will cost to run.
The Nest Thermostat E supports one stage of heating, one stage of cooling, and a ... and two stages of heating and cooling with auxiliary heat for heat pumps.
A two stage or dual stage compressor sits somewhere between single stage and variable speed systems in terms of how it functions. While it doesn't operate at ...