Search the forum,

underfloor

Underfloor heating and cooling is a form of central heating and cooling that achieves indoor climate control for thermal comfort using hydronic or electrical heating elements embedded in a floor. Heating is achieved by conduction, radiation and convection. Use of underfloor heating dates back to the Neoglacial and Neolithic periods.

View More On Wikipedia.org
  1. C

    Underfloor copper pipes: corrosion and pin holes

    Bungalow built in 2001. All copper pipework (water and heating) runs in channels of expanded foam polystyrene between a concrete floor and OSB boards. Pipe are lagged in stitched felt and what looks like bubble wrap with sand (?) over the top. During the bathroom refit, I lifted up some of the...
  2. P

    Refilling underfloor heating

    Hi, gotta a bit of an issue with refilling my underfloor heating. Am I right in saying that the flow meters along the manifold should be on the top rail, but as you can see they are at the bottom? Also have I got to loosen off the electrical actuators at the top to refill the system? Cheers
  3. mehmet

    Combi underfloor heating and external boiler connection?

    Hello, I have a gas boiler in my apartment that heats a net area of 300 m2 with an underfloor heating system. The boiler has a capacity of 45 kW. There's no issue with the heating system, but I want to increase the hot water capacity. I plan to connect an external 200-liter boiler. How can I...
  4. av2597

    Wet Underfloor Heating Using Woodburner Boiler

    Hi all, I wanted to ask a general question about an underfloor heating system our plumber is proposing and if this solution will be sufficient to heat the rooms. We have only a woodburning stove (15kW nominal output) that heats our open plan lounge/kitchen/diner directly (6.5kW from the...
  5. MarkWillGreen

    Add underfloor to S-plan - S-plan+? closely spaced tees? new boiler?

    Hi All, Looking for a bit of advice on the best way to pipe this. - 24kW Worcester regular boiler in kitchen, approx. 9 years old - unvented tank, zone vavles, pump, expansion is on first floor in airing cupboard - Currently piped as S-plan. - Hive controls. - Would like to fit 6-zone...
  6. H

    Underfloor heating loop not raising floor temperature

    I'm attending a wet underfloor heating system, it's an old one ..No flow meters, just adjustable valves on the returns with conventional actuators. Problem is , one loop (far right in photo) isn't heating the floor (timber suspended) . I've bled the loop via a hosepipe, shut off all the other...
  7. D

    Wet underfloor heat not coming on in any zone

    We have UFH throughout downstairs. I have had one coil replaced. I have had the thermostats checked that they are linking to the correct actuators, which they are. the cupboard where the UFH system is gets hot when I turn up the thermostats in one or all zones. The boiler is coming on but the...
  8. D

    Redbrick house from 1904 - Already has underfloor heating

    Hi, I have an 1904 redbrick 2,500 square feet house. We have UFH on every floor. 3 Floors House is reasonably well insulated but far from perfect. Would there be any point in installing a "air to water" heating system that could link into my existing UFH??
  9. H

    Honeywell Underfloor heating controllers

    Hi there, I'm considering having my heating system controlled by Honeywell Evohome. I have a question about the underfloor heating controller.... I have a single zone water underfloor heating in the kitchen. The controller is currently a Wunda. I've never been all that happy with it because...
  10. R

    Underfloor heating advice for a very shaky floor (not kidding)

    Hi all! So yes, Richter level 7 earthquake at least. I need to plan an underfloor heating for a 4x4 expedition/overlanding off-road vehicle, and it has to be able to withstand hundreds of miles of Australian corrugated roads and many thousands more of very bumpy roads of all sorts. A shaky floor...
  11. V

    Underfloor heating not getting hot enough

    My daughter has just had a new boiler, her system is radiators to upper floors and underfloor to all of ground floor. Despite the valve serving the underfloor being turned up to a high temperature and the pipe leading to the pump being very hot the flow and return pipes on the manifold are only...
  12. E

    Cleaning Magnetite in underfloor heating system

    Hi! I have mostly underfloor heating in my house and one new radiator and two old. A bit of metal pipes and three manifolds, but mostly PEX-pipes. The heat source is a Vaillant FlexoCompact 88/4 heatpump. The plumbers which installed the heatpump added Elysator Sanol (cleaning agent) and...
  13. nigel52

    Underfloor wet system design query

    I have a OMNIE designed wet underfloor heating system on three floors. Ground and 2nd floors work well with those two floors having a single manifold and recirculating pump for the various zones. On the 1st floor the rooms are split over two manifolds each with its own recirculating pump...
  14. BubzyT

    Underfloor goes off - stays off

    Hi. Really strange one. Our underfloor works lovely. But once it clicks off, it stays off, resolutely. This can be either from the zone thermostat or, strangely, after we've showered using water for a megaflow tank. It's speedfit manifold but I think problem might be with JG wiring...
  15. A

    Underfloor heating - zone not heating properly

    We moved into our flat over the summer and haven’t really used the heating much and no guides or anything we left so really don’t understand how it works! It is a wet underfloor system, with 5 zones controlled via a Loxone app (smart home system). Currently the room furthest away from the...
  16. K

    Underfloor heating manifold

    Hi all. We have underfloor heating on a couple of levels in our house. One floor was not heating and I asked advice from a plumber we have used before. I sent him pictures of the manifold in question. While this was going on I switched off fuses and replaced batteries etc. The heating has kicked...
  17. J

    Underfloor heating mixing valve issues

    We’ve had a UFH system installed as part of our home renovation which is run alongside our existing radiators. Some of it is in rooms with LVT flooring which means we’ve got to be careful with water temperature (floor temp limits are set, but can easily overshoot if water is too hot). Our...
  18. A

    Completely clueless underfloor heating

    I live in a property where underfloor heating was already installed by a previous owner. No manual was left, not even sure of the model/setup of our system (other than the fact that it’s a wet system linked to my boiler/central heating system & I can see these pipes behind a cupboard). It is...
  19. W

    Polypipe underfloor heating not heating up properly after a few years

    Had polypipe underfloor heating installed around 4 years ago. Flow rate used to be around 2.5 l/m now its just over 1 l/m. Tiled floor now is heat patches I have a nest connected to this also. And 3 zones come on at once in same port on slave unit I've changed the pump, diverter valve and...
  20. R

    Underfloor heating pricing

    Hi I have a 600 Meter square new build commercial job to install UH . I am mainly a domestic plumber and this job is quite big for me. And i was wondering if i could get some ideas on how to price the labour. looking around 2 weeks to complete the job with 2 men and a apprentice. any help would...
Creating content since 2001. Untold Media.

OFFICIAL SPONSORS

OFFICIAL SPONSORS

Back
Top
AdBlock Detected

We get it, advertisements are annoying!

Sure, ad-blocking software does a great job at blocking ads, but it also blocks useful features of our website. For the best site experience please disable your AdBlocker.

I've Disabled AdBlock