ᐅ Connect the domestic hot water system to the existing heating system
Created on: 30 Oct 2017 17:45
A
Altbau1930
The renovation of our two-family older building is coming up, and among other things, we will be replacing the old drainage pipes and zinc water pipes. Currently, there are a total of three electric tankless water heaters installed for hot water supply. However, I am now considering connecting the hot water production in the basement to the existing oil central heating system (built in 2000), including appropriate new piping and a large water storage tank/boiler next to the heating unit.
The question is: is the Viessmann heating system powerful enough to handle the hot water production in addition to the heating circuit? Would this require significantly more kW? Has anyone done this before?
If the conversion is manageable, I would prefer this hot water system over the electric tankless heaters, especially since all three would need to be replaced with up-to-date models, which is not exactly cheap.
What do you think? The boiler is a Viessmann Vitola 100; the kW rating is currently unknown.
Thanks for any advice!
The question is: is the Viessmann heating system powerful enough to handle the hot water production in addition to the heating circuit? Would this require significantly more kW? Has anyone done this before?
If the conversion is manageable, I would prefer this hot water system over the electric tankless heaters, especially since all three would need to be replaced with up-to-date models, which is not exactly cheap.
What do you think? The boiler is a Viessmann Vitola 100; the kW rating is currently unknown.
Thanks for any advice!
Boiler is not the same as an instantaneous water heater.
When renting out an apartment, remember that the tenant either needs their own heating system or, if it’s central, heat meters are required. Allocating heating costs solely based on living area, housing units, etc., is not appropriate.
When renting out an apartment, remember that the tenant either needs their own heating system or, if it’s central, heat meters are required. Allocating heating costs solely based on living area, housing units, etc., is not appropriate.
A
Altbau19301 Nov 2017 17:22Thank you so far!
I will discuss this with the installer, and I also need to determine where to install the heat meter for the rental apartment. The central heating system is essentially a single unit for both living areas, so they are not separated. The current tenant hasn't been concerned about this for 30 years and is moving out now, as we will be renovating anyway.
All costs must then be separated: water, electricity, heating.
I will discuss this with the installer, and I also need to determine where to install the heat meter for the rental apartment. The central heating system is essentially a single unit for both living areas, so they are not separated. The current tenant hasn't been concerned about this for 30 years and is moving out now, as we will be renovating anyway.
All costs must then be separated: water, electricity, heating.
Alex85 schrieb:
Boiler is not the same as an instantaneous water heater. Strictly speaking, yes (and I’m probably the least likely to complain, since I myself pay attention to the difference between knee wall and dwarf wall), but here I was actually referring to a boiler that we had installed above the sink. In common language, though, I have definitely heard “boiler” used for both. That makes it all the more useful to point out the distinction.
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