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<blockquote data-quote="gordon mcgregor" data-source="post: 73352" data-attributes="member: 169">Re: Home building/living suggestions wanted.AIr source and ground source heating units are great if your surroundings allow for them, they best serve in floor heating or air to air as the actual output temps are rarely much aboe 40 deg C, if you are able to use Natural as then a condensing&nbsp; system water based system (either radiators or in floor) with proper controls is probably the most efficient, of course this means a seperate A/C system for those in warmer climes, if you are building new then a getting an integrated HVAC system built in to the house along with efficient insulation is very much the way to go. I&#039;m involved in a project just now in which&nbsp; a 900 sq metre house&nbsp; is self sufficient in it&#039;s own energy needs ie a watermill generator with an entire roof covered with solar panels, along with deep cycle batteries supplies the power, heat pumps supply the majority of the heat and hot water with an electrical boost system. It&#039;s insulated to a very high standard and has survived the worst 2 winters my bit of the UK has had for decades without going &quot;on grid&quot; or using the backup diesel generator. It cost a lot to do but the technoogy is coming down in price and is readily available now indeed by 2016 it is going to be a requirement for a new build here to have some sort of renewable energy source as part of its heating or electrical supply. G</blockquote>

[QUOTE="gordon mcgregor, post: 73352, member: 169"] Re: Home building/living suggestions wanted. AIr source and ground source heating units are great if your surroundings allow for them, they best serve in floor heating or air to air as the actual output temps are rarely much aboe 40 deg C, if you are able to use Natural as then a condensing system water based system (either radiators or in floor) with proper controls is probably the most efficient, of course this means a seperate A/C system for those in warmer climes, if you are building new then a getting an integrated HVAC system built in to the house along with efficient insulation is very much the way to go. I'm involved in a project just now in which a 900 sq metre house is self sufficient in it's own energy needs ie a watermill generator with an entire roof covered with solar panels, along with deep cycle batteries supplies the power, heat pumps supply the majority of the heat and hot water with an electrical boost system. It's insulated to a very high standard and has survived the worst 2 winters my bit of the UK has had for decades without going "on grid" or using the backup diesel generator. It cost a lot to do but the technoogy is coming down in price and is readily available now indeed by 2016 it is going to be a requirement for a new build here to have some sort of renewable energy source as part of its heating or electrical supply. G [/QUOTE]

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