Quote:
Originally Posted by A8 Doc
Tell me more about this - Rahau Ground heat exchange.
Music wise I use SONOS. Fantastic  |
The ventilation system work on the commerical principle of sucking fresh air into the property, and blowing the stale out. Simples.
With more modern insulation, building regs tightening up etc, the days of trickle vents etc are fading fast - But you still have to have air exchange to remove the moisture from the air, and prevent damp build up.
The next problem though, is that if you suck in outside air, you get it at whatever the outside temp is, eg -8 a few nights ago, and quite warm in summer.
The Rahau is (in very simple terms) an air intake pipe that runs under ground, so the air is sucked down through the soil at soil temp, thus normalising the temperature to something more useful.
Ie, in winter, it warms the air up before coming into the house, and in summer, it should chill it.
This makes the whole proposition more energy efficient as the heating is slogging away to warm up the house which is being chilled.
And in summer, you get chilled air in, which is good, coz the heat wont leak out anywhere else.
All for free once installed....
Music is a pending item - All rooms (except kids bedrooms) are hardwired for speakers back to a central point. In fact the central point has everything coming back to it - Light switches, temp sensors, pirs, speakers, HDMI, Coax, Cat 6 etc. So, no central sound yet, but its coming.
I even plumbed in wiring for speakers in the back garden....
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