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Looking for some help! I am having problems with my underfloor heating only getting lukewarm, even when on for 8-12hrs constantly (see pictures) . It is currently costing £25 to £30 a day and using 150 to 200kw a day to not even be warm and is driving me crazy. I am struggling to get above 16 degrees in some rooms but others i have got up to 19 degrees. I have had heat in the system before. As set out in the background below I have had a Heatmiser system installed and currently having a plumber coming back to try to solve the issue. Any suggestions? Some background I moved into a property just over a year ago. I have underfloor heating in all rooms with one radiator downstairs and one towel rail upstairs. The existing underfloor heating Manifold was upside down and thermostats didnt work very well. Before Christmas last year I had the manifold corrected and a Heatmiser system installed. The system seemed to work although I was spending quite a lot during the winter months. I found that I had less than 100mm of insulation in the loft and assumed that was where I was losing lots of heat. The rest of the property is pretty well insulated, with double glazed windows and doors, insulated cavity walls and now topped up insulation. The system (see picture - system off in picture) 10 port manifold Heatmiser UH8-RF 8 zone Heatmiser Neoair v2 wireless 8 actulators but 9 systems Grundfos pump 2 radiators All rooms underfloor Heatmiser plug boosters - ordered additional ones. Neohub Gen2 Floor is engineered oak through out I have had the boiler at varying temperatures from 60 to 75 degrees Mixing valve - set at 55 degrees Specific problems One of the flowmeters seems stuck - Ordered new one Occasional knocking and clicking sounds Heatmiser thermostats keep going off line Heating switching on during the night Heatmiser thermostats jumping between auto, hold, standby Advised by Heatmiser not to use direct I have borrowed a thermal imaging camera and can see the loops heating up although in most places there is no heat in the floor. Most rooms downstairs have plenty of loops whilst upstairs some rooms are limited. It seems that the system is getting up to a temperature but not full temperature. I would appreciate any advice to get the system to heat up to previous heating levels. Or do I need to install electric radiators??? Mark

eve'in all, Just spotted our underfloor heating thermostat and asked our plumber for an alternative, seemed very bulky and dated, very ugly to be honest, he left an alternative which was worse, alomost yellow/white colour. He said the list is endless and take a look on internet, does anyone have any modern ones fitted e.g. Slim, low profile, white etc? The wife is in a fluster over these she said they look like a schoool technology room from the 80's ? Cheers