Top 7 Heat Pump Water Heater Suppliers: A Global Sourcing Guide

SST operates a 30,000-square-meter production facility housing three workshops and six dedicated assembly lines, with total annual output exceeding 635,000 units. The product range includes heat pump water tanks, buffer tanks, electric water tanks, pressure solar water tanks, and gas boiler tanks. Each unit undergoes 100% leakage testing, infrared thermal imaging for insulation verification, and salt spray corrosion testing.

NIBE Group, headquartered in Sweden, has established itself as a European leader in renewable heating solutions. The company’s focus on sustainability and energy efficiency aligns with the region’s ambitious carbon reduction targets.

In 2026, NIBE is introducing a new range of water-to-water, ventilation air-to-water, and air-to-water heat pumps using R290 as the refrigerant. Within the water-to-water segment, NIBE is introducing three new series—the S1157, S1257, and S1357—all available in four power versions. This strategic shift to natural refrigerants demonstrates NIBE’s long-term commitment to environmentally sustainable heating solutions.

Panasonic Corporation has long been a major global manufacturer of heat pump water heaters, and the company continues to push the boundaries of technology with its CO₂ hot water heat pump solutions.

In June 2026, Panasonic unveiled an impressive new line-up of CO₂ hot water heat pump solutions designed for the Australian market, with 16 configurations offering houses and families versatile options. The flagship 6.0kW model achieves a coefficient of performance of 6.1, meaning it can be up to six times more energy efficient than a standard electric hot water system. The system offers 4.0kW or 6.0kW outdoor units with 250L, 315L and 400L tank options, operates at around 37 dB(A), and comes with PV integration and a 10-year warranty.

Panasonic’s technology leadership extends to strategic partnerships with other industry leaders. The Voltex X Outdoor Split Heat Pump Water Heater, announced by A. O. Smith in April 2026, is a split system design jointly developed by Panasonic and A. O. Smith, leveraging both companies’ core competencies. This collaboration demonstrates Panasonic’s ability to integrate its heat pump technology into diverse product platforms.

Ariston Group, headquartered in Italy, has emerged as a leading residential water heater brand in Europe and a significant player in the global heat pump water heater market. The company’s commitment to innovation is demonstrated by its expanding range of R290-based heat pump solutions.

Ariston has expanded its heat pump water heater range with the launch of the Nuos Plus S2 Wi-Fi, a new R290-based solution designed for domestic and light commercial applications. Using R290 refrigerant with an ultra-low global warming potential of just 3, the unit offers an A+ energy rating and a COP of up to 3.51.

The Nuos Plus S2 Wi-Fi offers up to 80% energy savings compared to conventional water heating systems. The system features a 250-litre capacity with an additional coil to connect an external heat source, and operates in heat pump mode with air temperatures from –10°C to 42°C.

Haier Group has become a major force in the global heat pump water heater market, leveraging its massive manufacturing scale and expertise in smart home technology.

At MCE 2026 in Italy, Haier debuted the all-new HP Intro M11 series heat pump water heater. This compact unit comes in 80-liter and 100-liter capacities and delivers energy savings of up to 75%. The series exemplifies Haier’s approach to bringing efficient heat pump technology to space-constrained installations.

Midea Group, one of China’s largest appliance manufacturers, has become a significant player in the global heat pump water heater market, offering competitive solutions that balance performance and affordability.

At MCE 2026, Midea unveiled its groundbreaking H-Pack hybrid heat pump. The system delivers robust performance, producing domestic hot water at temperatures up to 75°C and maintaining an A+++ energy class for heating (for average climate – W3).

Midea has launched a heat pump water heater for the North American market, described as an advanced solution designed to provide efficient water heating for homes. The HPWH features a 91-gallon first-hour rating and an inverter fan that runs as low as 49.5 dBA for quiet operation. Engineered with a leak prevention system, automatic shut-off valve, and frost protection with a temperature range from -15°C to 46°C, the unit is designed for reliable performance in diverse climates.

LG Electronics has established a strong presence in the heat pump water heater market, combining advanced technology with award-winning design.

LG’s heat pump water heater leverages R290 refrigerant with a low Global Warming Potential (GWP) to reduce environmental impact. The unit provides maximum water temperature up to 75°C with a heating element and offers four different operation modes: heat pump mode, auto mode, turbo mode, and vacation mode. It achieves Energy Class A+ and is SG Ready for photovoltaic system integration.