Smart programmable thermostat: how a connected control differs from a scheduled one and which saves more
A smart programmable thermostat is a connected device that uses sensors and learning algorithms to adjust temperatures automatically.
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One heating and cooling thermostat for both systems: how to set it for each season
A heating and cooling thermostat is set by toggling the system mode between heat and cool settings.
Air conditioner heat pump system: how one unit does both jobs and how it differs from a plain AC
An air conditioner heat pump system reverses the direction of refrigerant flow to move heat into or out of a building.
Mini split heat pump: how ductless systems warm and cool single rooms or whole homes
A mini split heat pump is a ductless system that moves heat between an indoor unit and an outdoor compressor.
Cold climate heat pumps: how they keep heating when temperatures drop below freezing
Cold climate heat pumps continue working at temperatures below 5°F, according to ENERGY STAR.
Water heater heat pump: how it moves warmth into the tank and where it works well
A water heater heat pump is a device that extracts thermal energy from the surrounding air and transfers it into the water.
Air to air heat pump: how it trades energy with the outdoors to warm and cool a home
An air to air heat pump is a system that moves thermal energy between indoor and outdoor air using a refrigerant cycle.
Heat pumps furnace comparison: when one can replace the other and when a dual system makes sense
A heat pump furnace is a viable replacement for a gas or oil unit in most climates.
How does a heat pump work, and why can it deliver more warmth than the electricity it uses
A heat pump moves existing heat from one place to another using a refrigerant cycle.
Best heat pump dryer: how this efficient appliance works and what to check when choosing one
The best heat pump dryer is a model with a high Energy Star rating for your household size.