Wet Underfloor heating large area

[nomoneytreehere]

We have just had underfloor heating installed over a large area and i hust can't get to grips with it.

Its been really well insulated so i suspect the heating doesn't need to be on as much as we have it on.

I could really do with some input from people that have it running economically about how they set it. Do you just leave on all the time? If so what temp do you set it at? Or do you just have it on a timer?

Our utility is constantly boiling (smaller wnclosed space) but the large kitchen with loads of glass can be a bit chilly despite the thermostat saying between 20 and 21.

Because it takes so long to warm
up it often overshoots the temperature.

Finally the area near our bifolds is cold on the floor. Does this mean bifolds not installed properly?

We have underfloor heating here - already in when we moved in 3 1/2 years ago and it has taken a while to get used to it.

We put it on a couple of hours before we need to feel the heat to give it time to warm up the floor but then turn it off 2 hours before we go to bed as the floor holds the heat for some time.

We have it timed to come on morning and evening but have room thermostats that we use to turn it on and off in each room as well.

I have mine on 24/7 but the thermostat set low. It only comes on if the house drops below 19. I think variability is a bit of a given unfortunately, due to some parts of the house being better insulated than others.

We have ours set to about 15 all the time and then it turn it up to about 19 from about an hour before we come home until night time. The cold bit near the windows might be because they didn't lay pipes in that bit maybe?

It may have cold spots near the bifolds due to end of pipe runs.

Better to leave on at a low background temperature

We have it on 24/7 and just lower it by a couple of degrees over night, so timer is set to 16.5 degrees 6am to 10pm, and then 14.5 degrees 10pm to 6am.

Cold near the bifolds probably means the pipes/wires don't go to the very edge but stop further into the room.

We have it on a timer, 19 degrees for 2-3hrs in morning and it holds heat really well as well insulated in extension. Also set to come on 4-7pm but in practice never drops to this temp if we are around during the day.

when it was fitted they did do something that meant that it never comes on as high in utility as kitchen which is ideal.

if does take a long time to warm up but when it does it holds heat well. I also find it can overshoot so set to 19 it gets to 20 degrees.

we def have some cooler spots as well, think it is the variability in how they lay the pipes.

You should have a pipe plan which shows where the pipes were laid so you can see if it goes up to the bifolds. Normally it will be 10-20 cm short of windows as the pipes need room to bend.

We set ours at 14 degrees overnight and 18 during the day. Normally takes 30 min or so for floor to feel warm.