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Heat pump options

  • 18-10-2017 1:49pm
    #1
    gooner99
    Registered Users, Registered Users 2 Posts: 2,056 ✭✭✭


    Hi. Just scratching the surface on heat pumps and have a few general questions. House will be 150sqm, airtight and have mhvr, so suitable for this type of heating.

    1. A2w - My site is right on the Altlantic coast, a few yards from the water. So salt in the air all the time and everything rusts. My thinking is that even a2w heat pumps that are treated for coastal use will corrode, break and need replacing long before the payback period. Would you guys concur with this.

    2. Air to air - Again part of the unit is outside, so a also at risk of rusting. But the units are cheaper so replacement wouldn't be as costly. From searching it seems that this type of heat pump seems to be very rare in Ireland. But is there a place for them in a smalker highly insulated and airtight house?

    3. Geothermal - it seems like this is the top solution, no outdoor units and the best heat source is the earth. More expensive to install, but they "may" also be more reliable. My soil is sandy, in general is sandy soil suitable for horizontal and vertical geo?

    Please post any thoughts and suggestions. I guess recommendations for manufacturers and systems can be posted, but please pm me any installer suggestions or experiences. Thanks.
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