Heat Pumps

Heat Pumps

Four-way valve in the refrigerant circuit: how it reverses heating and cooling

Heat Pumps

Receiver and accumulator in the refrigeration circuit: what is the difference

Heat Pumps

Refrigerant pressure-temperature relationship: how to read it correctly

Heat Pumps

Subcooling in the refrigeration circuit: what it is and why it matters

Heat Pumps

Superheat in the refrigeration circuit: what it is and what it indicates

Heat Pumps

Expansion valve in a heat pump: what is its role

Heat Pumps

Condenser in a heat pump: how it delivers heat to the system

Heat Pumps

Evaporator in a heat pump: how it absorbs heat

Heat Pumps

Heat pump compressor: what it does and why it is so important

Heat Pumps

Heat pump refrigerant circuit: how it works step by step

Heat Pumps

Gas-engine and thermally driven heat pumps: how they differ from the electric heat pump

Heat Pumps

Booster heat pump: when to use for DHW or temperature boosting

Heat Pumps

High-temperature industrial heat pump: heat recovery and upgrading

Heat Pumps

Swimming pool heat pump: how it works and what makes it different

Heat Pumps

Heat recovery VRF: simultaneous heating and cooling in the same building

Heat Pumps

VRF/VRV heat pump: basic operating principle and applications

Heat Pumps

Ducted heat pump: heating and cooling via air ducts

Heat Pumps

Multi-split heat pump: multiple indoor units with one outdoor unit

Heat Pumps

Mini-split heat pump: what it is and when it is used

Heat Pumps

Cold-climate heat pump: design for very low outdoor temperatures

Heat Pumps

Two-stage heat pump: what does two-stage operation mean

Heat Pumps

CO2 heat pump with R744: how it differs from a conventional refrigeration circuit

Heat Pumps

Heat pump with R290 refrigerant: what the use of propane means

Heat Pumps

Inverter and fixed-speed heat pump: basic operational difference