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Heat Pumps

Heat pumps are energy-efficient devices that transfer thermal energy from a lower-temperature source to a higher-temperature destination, using mechanical work or external energy input. Unlike conventional heating systems that generate heat through combustion or electrical resistance, heat pumps move existing heat from air, water or ground sources, making them significantly more efficient. The technology operates on the same thermodynamic principles as refrigerators and air conditioners, but in reverse or dual-mode configurations. Heat pumps typically deliver three to five units of thermal energy for every unit of electricity consumed, achieving efficiencies of 300% to 500% compared to traditional electric heating. The main types include air-source heat pumps, which extract heat from outdoor air; ground-source or geothermal heat pumps, which use stable underground temperatures; and water-source heat pumps, which draw heat from bodies of water or wastewater. Applications span residential and commercial space heating and cooling, domestic hot water production, and industrial process heat, with growing adoption in district heating networks. Heat pumps play a central role in decarbonisation strategies because they can be powered by renewable electricity and eliminate direct fossil fuel combustion. The technology has gained particular traction in Europe and Asia as governments pursue net-zero emissions targets, with installations accelerating in both new construction and retrofit projects. Advances in refrigerant chemistry, compressor design and controls have extended the operating range of heat pumps to function efficiently even in cold climates. Market growth is driven by rising energy costs, carbon pricing, building efficiency regulations and incentive programmes that recognise heat pumps as a key technology for the energy transition.

Latest Articles in 60 Seconds

Heat pumps drive global electrification investment growth of 15% a year

Electrification through heat pumps, electric vehicles and electrified industrial processes is expanding rapidly, with investment growing by about 15% year-on-year, the International Energy Agency reports. Heat pumps are identified as instruments of energy security and system resilience, offering multiple benefits as countries seek to reduce exposure to volatile fuel markets and lower import dependence.

Residential heat pump adoption to fuel largest electricity demand increase to 2040

The largest cumulative increase in electricity consumption across sectors will come from homes, with air-conditioning loads expected to rise sharply as cooling expands in developing countries and electricity-consuming heat pumps replace gas heating, management consulting firm Bain&Co says. Industry and buildings are expected to account for more than 60% of total demand until 2040.

South African manufacturers expand heat pump offerings amid efficiency drive

Water heating systems manufacturer Kwikot is expanding its product range into heating, ventilation and air conditioning as it moves to become a smart energy systems provider, while Power4Less has introduced an integrated heat pump geyser that reduces water heating costs by up to 85%. In Helsinki, the world's largest air-to-water heat pump plant with 30 MW capacity is under construction and scheduled to begin production in the 2026/27 heating season.

Heat Pumps Updates


Magazine Cover Image
Demand for electricity to outpace economic growth and reshape investment
19th June 2026 By: Schalk Burger

Global electricity demand is set to outpace economic growth as part of a broader trend up to 2030, with electricity consumption projected to grow at least two-and-a-half times as fast as overall... 


Magazine Cover Image
Demand for electricity to outpace economic growth and reshape investment
19th June 2026 By: Schalk Burger

Global electricity demand is set to outpace economic growth as part of a broader trend up to 2030, with electricity consumption projected to grow at least two-and-a-half times as fast as overall... 


Daikin HVAC-R systems
Sustainability, urbanisation driving demand for efficient systems
29th May 2026 By: Devina Haripersad

Demand for energy efficient heating, ventilation, air condition and refrigeration (HVAC-R) systems is increasing, owing to ongoing urbanisation and industrial development in developing economies,... 


Transition raises costs, skills pressures
29th May 2026 By: Devina Haripersad

 Businesses transitioning to environmentally friendly refrigerants and heating, ventilation, air-conditioning and refrigeration (HVAC-R) systems are facing growing operational, financial and... 


Kwikot expands into HVAC systems manufacturing
12th May 2026 By: Schalk Burger

Water heating systems manufacturer Kwikot will expand its products range into heating, ventilation and air conditioning (HVAC), as it moves to become a smart energy systems provider. Heating,... 


R1 trillion for infrastructure, yet millions lost to internal energy waste
12th March 2026

By: Ruhan Theunissen - Energy Manager at Energy Partners The recent confirmation of government’s commitment to invest more than R1 trillion in infrastructure over the next three years is promising.... 


Image of a geyser in a house
Integrated heat pump geyser cuts water heating costs 
6th February 2026

An integrated heat pump (IHP) geyser that is said to reduce water heating costs by up to 85% has been introduced by women-owned South African energy solutions company Power4Less. The 200 L IHP... 


The Patola plant site in Helsinki
‘World’s largest’ air-to-water heat pump, electric boilers to be constructed
30th January 2026

Helsinki-based, city-owned energy company Helen has selected global technology manufacturer Valmet to provide automation solutions for the world’s largest air-to-water heat pump and two electric... 


Energy cannot be destroyed; it can only be transferred, and here’s how
Energy cannot be destroyed; it can only be transferred, and here’s how
28th November 2025

By: Nishandra Baijnath - Systems Architect, Digital Automation at Schneider Electric Industry’s very nature sees it producing significant amounts of waste, whether it’s heat from furnaces and... 


International Press Release: Electrification Could Save Europe €250 Billion Per Year
27th October 2025

Schneider Electric, a global energy technology leader, today launches a new research report highlighting the role electrification must play in Europe’s future. Currently the electrification rate in... 


MetaleN image
MetaleN
17th October 2025

Copper tubes manufacturer MetaleN endeavoured to extend its range of locally produced tubes over the past 24 months. An increased focus on value addition to its existing tubes, as well as... 


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