Underfloor heating on two floors

KittyChai

We hope to start building a 3000 square foot house in Jan 2013. We are trying to tease out the best heat system for us. We were thinking air to water heat pump with underfloor heating on ground floor. We are putting in concrete first floor and were considering low energy rads, however we were told with concrete floor underfloor would work well upstairs. has anyone experience of ufh upstairs please?

shane0007

I have UFH on both floors, also a 3,000sqft house. I love it, especially in bathrooms, as tiled floors are warm getting out of the shower.
I am not a fan of heat pumps though.

KittyChai

thanks shane what runs your underfloor?

shane0007

KittyChai wrote: »

thanks shane what runs your underfloor?

As I am in the business, I have tinkered with it a bit. I am on oil at the moment with a Grant Vortex HE boiler. I was going to do a major overhaul of the system by putting in a buffer tank but am now going to go with LPG gas for benefit of having a modulating boiler. The issue I have is the boiler is too big when heated but needs it when all zones are demanding. The gas boiler has the benefit of meeting a varied output by monitoring the return temperature and can modulate between low fire and high fire and infinity between. This lends itself to using only the amountif fuel that is required at that moment.

corkgsxr

Gas can be turned right down too so you won't be blending

Dardania

corkgsxr wrote: »

Gas can be turned right down too so you won't be blending

A big benefit, and helps the condensing efficiency. Just sort out domestic hot water spearately to the space heating circuit i.e. directly from the gas boiler from a dedicated dhw port from the heat exchanger...