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Domestic solar water heating
lisaox
#11 Posted : Thursday, May 18, 2017 2:17:33 PM
Rank: Member

Joined: 7/4/2010
Posts: 118
And what do Wazuans think about ERC regulations that existing (existing before 2012) residential buildings must install systems for solar water heating?

In apartments for example, is the requirement to install a system for each unit?

Structurally for example (Im no architect etc)is it possible to install such a solar system on the roof of any structure after-the-fact? The regulations talk of some specific angle elevation requirement etc.
majimaji
#12 Posted : Thursday, May 18, 2017 3:12:22 PM
Rank: Veteran

Joined: 4/4/2007
Posts: 1,162
Mukiri wrote:
Is this doable? Connecting the Solar heater to the swimming pool too.. such that when its not heating the shower or kitchen, then its heating the pool?Pray


It is do-able.
nakujua
#13 Posted : Friday, May 19, 2017 12:37:01 PM
Rank: Elder

Joined: 12/17/2009
Posts: 3,583
Location: Kenya
lisaox wrote:
And what do Wazuans think about ERC regulations that existing (existing before 2012) residential buildings must install systems for solar water heating?

In apartments for example, is the requirement to install a system for each unit?

Structurally for example (Im no architect etc)is it possible to install such a solar system on the roof of any structure after-the-fact? The regulations talk of some specific angle elevation requirement etc.

from ERC

Quote:

1. All premises within the jurisdiction of local authorities with hot water requirements of a capacity exceeding one hundred litres per day shall install and use solar heating systems;


I would assume in the case of an apartment block or flats each unit will be a premise, but I am very curious how they will determine daily hot water requirements for each premise
kayhara
#14 Posted : Monday, August 20, 2018 3:01:11 PM
Rank: Veteran

Joined: 5/5/2011
Posts: 1,059
Can you have a solar system where you only have one line unlike the current system whee you have hot and cold line? of course you will have a separate line for toilet flushing but the rest kitchen, showers and basins will be hot at say 45 degrees? the system needs to have a return line so that hot water is available on demand, current systems are complicated with mixers etc for a system like mine you use normal taps, any plumber who can tell whether this is viable?
To Each His Own
Aleksks
#15 Posted : Wednesday, September 19, 2018 6:16:12 PM
Rank: New-farer

Joined: 9/19/2018
Posts: 14
thanks for sharing your experiences
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