Portable AC heat pump: how a single hose unit warms and cools one room and where it falls short
A portable ac heat pump uses a refrigerant cycle to move heat energy into or out of a room through a single exhaust hose.
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Heat pumps rating labels: how seer2, hspf2 and ENERGY STAR certification describe efficiency
Heat pumps rating labels indicate seasonal performance through SEER2 for cooling and HSPF2 for heating.
Energy efficiency of heat pumps: what COP means and how to compare them with other heating
The energy efficiency of heat pumps is measured by the Coefficient of Performance (COP), which represents the ratio of heat delivered to electricity consumed.
Window air conditioner heat pump: how a unit that also warms compares with a plain AC
A window air conditioner heat pump is a dual-function cooling and heating system.
Installing a ground source heat pump: what the loop is and what the job involves
Installing a ground source heat pump is the process of connecting a heat pump to an underground loop system.
Heat pump not working: simple checks to run before calling a technician
A heat pump not working is typically caused by a tripped circuit breaker, a clogged air filter, or a lack of power.
Cost of running a heat pump: how efficiency, climate and electricity rates set your bill
The cost of running a heat pump can reduce electricity use by 50% compared to furnaces and baseboard heaters, according to U.S. Department of Energy.
Geothermal heat pumps: how ground loops give steady efficiency and what to ask before choosing one
Geothermal heat pumps maintain steady efficiency by utilizing the constant underground temperature of the earth as a heat source or sink.
Air to water heat pump: how it warms radiators and floors compared with other types
An air to water heat pump is a system that extracts heat from outside air to warm a water circuit for radiators and underfloor heating.
Split system heat pump: how the indoor and outdoor units work together
A split system heat pump is a dual-component system where an outdoor condenser and an indoor air handler exchange heat using a refrigerant loop.