How does a heat pump work: the refrigerant cycle, the reversing valve and why it moves heat instead of making it
A heat pump moves thermal energy from one location to another using a chemical refrigerant.
Heat pump dryer: how it dries clothes without a vent and what that means for energy use and cycle time
Heat pump dryer heat is generated by a refrigeration cycle that moves thermal energy from the air to a heating element.
Portable AC heat pump: how a portable unit both cools and heats and what limits its output
A portable ac heat pump uses a reversing valve to change the direction of refrigerant flow to switch between cooling and heating modes.
Heat pump SEER ratings: what SEER and HSPF measure and how to read them on a spec sheet
Heat pumps SEER ratings measure cooling efficiency, while HSPF ratings measure heating efficiency.
Energy efficiency of heat pumps: what COP and the efficiency ratings mean and why outdoor temperature changes them
Energy efficiency of heat pumps is measured by the Coefficient of Performance (COP) or Heating Seasonal Performance Factor (HSPF).
Window air conditioner heat pump: how a window unit heats and cools and when it is enough for a room
A window air conditioner heat pump is a dual-purpose system that moves heat between the indoors and outdoors using a refrigerant cycle.
Installing a ground source heat pump: how the loop is laid, what drives the work and what the site needs
Installing a ground source heat pump involves excavating a site to bury high-density polyethylene piping for a closed-loop system.
Heat pump not working: common causes, what you can safely check and when to call for service
A heat pump not working usually stems from a tripped circuit breaker, a clogged air filter, or a faulty thermostat.
Geothermal heat pumps: how ground loops work, which loop types exist and what they need from the property
Geothermal heat pumps transfer thermal energy by circulating a fluid through underground pipes to exchange heat with the earth.
Air to water heat pump: how it heats radiators and floors with water and how it differs from air to air
An air to water heat pump is a system that extracts heat from outside air to warm a liquid circulating through your home.
Condenser on a heat pump: what the outdoor unit does, where it goes and how to keep airflow clear
The condenser heat pump unit is the outdoor component that releases captured heat into the outside air.
Ptac heat pump: how a through the wall unit heats and cools a room and when it fits at home
A ptac heat pump is a self-contained unit that uses a refrigerant cycle to move heat into or out of a space.
Air handler for a heat pump: what the indoor unit does and how it must match the outdoor unit
An air handler for a heat pump is the indoor unit that circulates air through your home.
3 ton package unit heat pump: how one outdoor cabinet holds the whole system and how to read its tonnage
A 3 ton package unit heat pump is a self-contained HVAC system that houses both the outdoor condenser and indoor evaporator in one cabinet.
Ducted heat pump: how ductwork limits performance and what to check in the ducts before you switch
Duct heat pump performance is limited by static pressure, which is the resistance to airflow created by friction and obstructions.
Heat pump compressor: what it does, why it is the part that matters most and what can go wrong
A compressor heat pump component is the mechanical heart that pressurizes refrigerant to move heat between indoor and outdoor environments.
Heat pump capacitor: what it does for the compressor and fan and signs it is failing
A capacitor heat pump component provides the necessary electrical torque to start the motor and maintains the running speed of both the compressor and the fan.
Interior paint colors: how to narrow a palette for a room, from light and undertone to finish
Interior paint colors are narrowed by selecting a base hue, identifying the hidden undertone, and matching the sheen to the room’s function.
Accent wall colors: how to choose the wall and the shade so it adds depth without shrinking the room
Accent wall colors are best selected in mid-tone hues with cool undertones to provide depth while maintaining visual space.
Popular paint colors for a bedroom: calming shades and how light and wall direction change them
Popular paint colors for bedroom spaces are soft blues, muted greens, and warm neutrals.