Collection: Hitachi airH2O R290 Heat Pumps

The Hitachi airH2O range uses R290, a natural refrigerant with a GWP of 3, for air-to-water heating and hot water. We stock the airHome airH2O 800 split system outdoor unit in single and three phase.

Both the single and 3 phase units are split systems, so the refrigerant circuit stays outdoors and only water pipework runs into the property, which keeps the indoor charge at zero.

R290 sits outside the F-Gas phase-down schedule, so specifying it now avoids the supply and cost pressure building on higher-GWP refrigerants over the next decade.

If you need help pairing the airH2O 800 with an indoor unit or cylinder, our team can spec it with you.

Hitachi airH2O R290 Heat Pumps

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At The MEP Shop, we support projects of every scale with trusted HVAC solutions across the UK. Whether you’re specifying equipment for a commercial development, upgrading residential heating and cooling, or exploring energy-efficient options, our team is here to guide you. From product selection to aftercare, we provide expert advice and reliable service for all your HVAC needs.