Hi,
I have already read a few threads, but I still have a question.
We are getting a guest toilet in our new home, and we are adding a shower to it. The guest toilet will have about 3 square meters (32 square feet) of floor space and will have underfloor heating (like all rooms). According to the construction company, because of the shower, we now have to install a towel radiator. I assume this is related to the heat demand calculation. But is that really the case? Can they require this, or can I insist that the underfloor heating in the small bathroom is just laid more densely? It is also not yet decided whether the radiator will be electric or connected to the underfloor heating system. The latter doesn’t seem to make much sense either.
Best regards
Sebastian
I have already read a few threads, but I still have a question.
We are getting a guest toilet in our new home, and we are adding a shower to it. The guest toilet will have about 3 square meters (32 square feet) of floor space and will have underfloor heating (like all rooms). According to the construction company, because of the shower, we now have to install a towel radiator. I assume this is related to the heat demand calculation. But is that really the case? Can they require this, or can I insist that the underfloor heating in the small bathroom is just laid more densely? It is also not yet decided whether the radiator will be electric or connected to the underfloor heating system. The latter doesn’t seem to make much sense either.
Best regards
Sebastian
D
Doc.Schnaggls14 Jan 2016 09:54Hello,
We were also recommended a towel radiator with an electric heating element or an additional electric heater for our guest bathroom with a shower, to quickly raise the temperature when used.
However, a (rather expensive) towel radiator seemed a bit excessive for the guest bathroom, and we find the heaters or fan heaters really unattractive, so we decided against them.
Nevertheless, we have installed a separate (switchable) socket for adding one later if it becomes necessary.
So far, the tightly installed underfloor heating has always managed to maintain a comfortable temperature of 22 - 24°C (72 - 75°F) in the guest bathroom.
Best regards,
Dirk
We were also recommended a towel radiator with an electric heating element or an additional electric heater for our guest bathroom with a shower, to quickly raise the temperature when used.
However, a (rather expensive) towel radiator seemed a bit excessive for the guest bathroom, and we find the heaters or fan heaters really unattractive, so we decided against them.
Nevertheless, we have installed a separate (switchable) socket for adding one later if it becomes necessary.
So far, the tightly installed underfloor heating has always managed to maintain a comfortable temperature of 22 - 24°C (72 - 75°F) in the guest bathroom.
Best regards,
Dirk
P
Peanuts7414 Jan 2016 15:45I can hardly imagine reaching 24°C (75°F) in a 3m² (32ft²) bathroom with about 2m² (22ft²) of heating surface. Our guest bathroom is around 6m² (65ft²), and we installed the heating pipes as close together as possible, basically pipe to pipe. With over 80% coverage, we reach a maximum of 22°C (72°F) with a supply temperature of 30°C (86°F) at 0°C (32°F) outside temperature, which easily heats our living room to 24°C (75°F). In your case, only about two-thirds would be covered. I have also seen houses where heating pipes were installed in the level shower floor. That keeps the floor warm and causes the water to evaporate faster. Maybe that could work for you as well?
tecker201014 Jan 2016 20:42Thanks in advance for the helpful answers. I will do some more research and possibly switch to an electric one. That also seems to make more sense.
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Peanuts7415 Jan 2016 07:47For the guest bathroom, I would also install an electric heater. It can heat up more than the 30 to max. 35°C (86 to 95°F) supply temperature of the underfloor heating, and it is only used when someone wants to take a shower. We also have an electric heater that warms up in about 15 minutes and quickly raises the temperature in the small bathroom... However, with today’s knowledge, I would first check whether underfloor heating can also be installed in the shower area (and not be easily dismissed on this point...).
Peanuts74 schrieb:
However, with today’s knowledge, I would first check whether it is possible to install underfloor heating in the shower area (and not be easily dismissed on that point...)We have heating pipes installed under the floor tiles in our shower. The floor is always comfortably warm there, and the water does indeed dry relatively quickly. Still, we usually squeegee the shower after use. This topic has also been discussed in another thread here.
Regarding the guest bathroom: at three square meters, underfloor heating can indeed be quite tight. To my knowledge, there are smaller towel radiators (towel warmers) that should be sufficient for such a small room. If positioned well, they also serve as towel holders.
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Peanuts7415 Jan 2016 08:14If someone is asking here for a solution, I didn’t want to first search the forum to possibly refer to an answer in another post. In this case, I would install underfloor heating throughout the entire room, including under the shower, and lay the pipes as close together as possible. Then I would also include an electrical outlet for a heated towel rail, so that if needed, you won’t have to break the tiles again. However, I would wait to see if it’s really necessary, unless you want one anyway to hang towels. In any case, take photos of the unfinished walls to avoid accidentally drilling into pipes or cables during installation!
This advice actually applies to the whole house—it's best to take photos everywhere with a tape measure held against a fixed corner as a reference...
This advice actually applies to the whole house—it's best to take photos everywhere with a tape measure held against a fixed corner as a reference...
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