Home Forums General Discussion solar hotwater and underfloor heating

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    Victoria Kingi

    Kia ora all
    Papakainga Solutions is involved in 3 new papakainga projects for 2014 building a total of 50 houses over the next couple of years in Tauranga. We are very keen to find out what are the best and most affordable systems to use for solar hotwater and underfloor heating options and would we also need to look at a wetback option for hotwater heating for winter months?


    Hi Victoria

    Welcome to the Hub and thanks for your post.

    As a very preliminary starting point I suggest you put “solar” into the search box on the Right Hand side of the page. That will allow you to see the discussions people have been having about solar on the site since its been up (just over a year). It will also bring up any documents or resources on the site and you might see who the people in the Hub that have been commenting are and who may be able to help you with more detailed assessments.

    I’m not a technical expert… there are others here who are. As a starting point though I would say the best and most affordable options will depend a lot on the specific house and site and what you are trying to achieve – i.e. who is living there, how may people, are they home all day, how is the site orientated, is it grid connected etc, etc which is all pretty specific information. A wetback to supplement might be a good option depending on those other factors. I can’t comment on underfloor heating but someone here probably can.

    Check out some of these resources too as a starting point.

    EECA’s Power from the People: http://www.eeca.govt.nz/sites/all/files/power-from-the-people-microgen-guide-nov2010.pdf

    Beacon’s Solar Assessment checklist: http://www.beaconpathway.co.nz/files/docs/Solar_Assessment_Checklist.pdf

    Eco Design Advisor solar tip sheet http://www.ecodesignadvisor.org.nz/assets/Uploads/Solar-hot-water-fact-sheet-no-9.pdf

    You might also want to read this post:

    I hope this is some help and others may be able to provide more suggestions.


    Hi Victoria

    We’re just fixing some bugs on the site (related to an upgrade). If you do that search again (in the search box) you’re likely to pick up a whole lot more stuff than you would have an hour or so ago.


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