System type

New Build Detached
A 205 square metre, five-bedroom new build using UFH downstairs, radiators upstairs and a Vaillant aroTHERM Plus heat pump.

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Project focus
New build detached home
Customer outcome
Comfort-led low-carbon heating
Project overview
The client was building a five-bedroom family home of around 205 square metres and asked AquaTherma to design and specify a renewable heat pump system.
Challenge
The system had to make good use of the three-phase supply and serve UFH on the ground floor with radiators on the first floor.
AquaTherma solution
AquaTherma specified a three-phase Vaillant aroTHERM Plus, open loop UFH with a limiting thermostat for the main living area, TRVs in bedrooms and a Vaillant uniSTOR unvented heat pump cylinder in the garage.
Outcome
The UFH and radiators were served without a conventional pump or blending valve on the manifold, using the Vaillant modulating pump with a small supporting pump to provide the necessary flow rates.
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