Net-Zero Domestic Heat Pumps

Heat pumps provide an energy efficient way of converting heat from a low temperature to a higher one. Access to the most energy-efficient net-zero products appears strongest in Europe and Japan. The average lifetime of a domestic heat pump is 20 years, meaning that HFC reliant technology is currently being locked in until 2040. Natural refrigerant alternatives exist, including propane and carbon dioxide for domestic heat pumps.

150l solar heat pump - Quantum Energy

Net-Zero Product
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Sector
Heat Pumps Domestic
Application
Hot Water Production
Technology Type
Air Source Heat Pump
Refrigerant
Propane
Manufacturer
Quantum Energy
Availability
Australia
Energy Efficiency
COP: 4.3 at 20°C ambient temperature

Heating capacity (kW): 3.61
Storage size: 150l

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aroTHERM plus VWL 55/6 A 230V - Vaillant GmbH

Net-Zero Product
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Sector
Heat Pumps Domestic
Application
Cooling
Heating
Hot Water Production
Technology Type
Air Source Heat Pump
Refrigerant
Propane
Manufacturer
Vaillant GmbH
Availability
Europe
Energy Efficiency
COP: 3.9 at A2/W35 Energy label: A+++ for heating to 35°C and A++ for 55°C

Heating capacity (kW): 2 at A2/W35, nominal capacity

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Belaria pro compact (13/100/270) - Hoval

Net-Zero Product
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Sector
Heat Pumps Domestic
Application
Heating
Hot Water Production
Technology Type
Air Source Heat Pump
Refrigerant
Propane
Manufacturer
Hoval
Availability
Europe
Energy Efficiency
COP: 4.6 at A2/W35 Energy Label: A+++

Heating Capacity (kW): 5.3 at A2/W35
Awards/Merits: Included in WWF TopTen product list
Manufacturer Headquarters: Belgium

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EU13L - LAMBDA

Net-Zero Product
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Sector
Heat Pumps Domestic
Application
Heating
Hot Water Production
Technology Type
Air Source Heat Pump
Refrigerant
Propane
Manufacturer
LAMBDA
Availability
Europe
Energy Efficiency
COP: 5.1 at A2/W35 Energy Label: A+++

Heating capacity (kW): 12 at nominal heating output
Manufacturer Headquarters: Austria

Website

LADV 9-HDV 12 - Novelan

Net-Zero Product
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Sector
Heat Pumps Domestic
Application
Heating
Hot Water Production
Technology Type
Air Source Heat Pump
Refrigerant
Propane
Manufacturer
Novelan
Availability
Europe
Energy Efficiency
COP: 4.61 at A2/W35 Energy Label: A+++

Heating Capacity (kW): 5.08 at A2/W35
Awards/Merits: Included in WWF TopTen product list
Manufacturer Headquarters: Austria

Website

LWDV 91-1 / 3 -HDV 9-1 / 3 - Alpha-Innotec

Net-Zero Product
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Sector
Heat Pumps Domestic
Application
Heating
Hot Water Production
Technology Type
Air Source Heat Pump
Refrigerant
Propane
Manufacturer
Alpha-Innotec
Availability
Europe
Energy Efficiency
COP: 4.61 at A2/W35 Energy Label: A+++

Heating Capacity (kW): 5.08 at A2/W35
Awards/Merits: Included in WWF TopTen product list
Manufacturer Headquarters: Austria

Website

LWZ 604 - Denso

Net-Zero Product
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Sector
Heat Pumps Domestic
Application
Heating
Hot Water Production
Ventilation
Technology Type
Air Source Heat Pump
Refrigerant
Carbon Dioxide
Manufacturer
Denso / Stiebel Eltron
Availability
Europe
Energy Efficiency
COP: 4.52 at A2/W35

R-744 water heater - Eco2 System

Net-Zero Product
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Sector
Heat Pumps Domestic
Application
Hot Water Production
Technology Type
Air Source Heat Pump
Refrigerant
Carbon Dioxide
Manufacturer
Eco2 System
Availability
Carribean / North America
Energy Efficiency
COP: 4.2 at 7°C with 65°C (150F) heated water,

Heating capacity (kW): 4.5 at 7°C, with 65°C (150F) heated water
Awards/merits: Energy Star, Top 10 Green Building Product
Training availability: Virtual and in person available
Unit price: List price around $4,500
Notes: Depending on the size of the tank, it can be used for multi-family buildings

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SNTM 3-10 - Heliotherm

Net-Zero Product
More Information
Sector
Heat Pumps Domestic
Application
Heating
Hot Water Production
Technology Type
Ground Source Heat Pump
Refrigerant
Propane
Manufacturer
Heliotherm
Availability
Europe
Energy Efficiency
COP: 6.15 at E4/W35

Heating capacity (kW): 10 at E4/W35
Training availability: Heliotherm heat pumps are sold and installed exclusively by highly trained Heliotherm competence partners. These partners have branches throughout Europe. This ensures expert advice, installation, commissioning and first-class service for guaranteed to the customer on site.

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