Man fitting underfloor heating system Minitec by Uponor

This home was originally built in 2007 and featured a mains gas combi boiler to heat the home via radiator connections and instant hot water. Over time, this heating solution became difficult to regulate and was consequently expensive to run. The radiators also posed a threat to infants, with temperatures reaching up 80C.

The client decided to install a sustainable heating option that could warm the house to a comfortable temperature 24/7.

Uponor Involvement

After working with the installer, Hafod Renewables, and conducting regular consultation sessions with the client, Uponor created a bespoke retrofit underfloor heating solution for the ground floor. This was coupled with a low temperature air source heat pump to improve efficiency.

One of the main challenges was that the concrete floor could not be dug up as it would disturb the foundations and compromise the NHBC warranty.

Thanks to specifying Uponor Minitec, Hafod Renewables was able to install the system as an overlay which encompassed a special low depth liquid screed.

This only led to a small increase in the floor height (18mm) and the skirting boards were not touched during installation. What’s more, the underfloor heating now runs at 30-35C – a significant reduction!

Uponor Smatrix underfloor heating controls were also installed to regulate the temperature within the house.

The benefits

The customer benefited from lower heating costs all year round due to the air source and underfloor heating running at a reduced temperature.

The Smatrix underfloor heating controls contain auto-balancing technology, which automatically adjusts heating and cooling to an ambient temperature. An automatic detection function is set within the controls to warn the client when the temperature falls below 20C.

Overall, the client saved £900 a year on their energy costs and the overall property value increased by 15%. There is also no requirement going forward for a carbon dioxide monitor.

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