Can you install tubing under a slab on grade foundation to extract heat in winter?

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Can you install tubing under a slab on grade foundation to extract heat in winter?

Jennifer Cole Published: Aug. 28, 2019, 11:34 a.m.Last updated: Aug. 4, 2020, 2:36 p.m.

Can tubing for a ground source heat pump be put under a slab on grade prefab form foundation kit to extract winter heat?

Responses (1)

RJ @ecohome.net Aug. 29, 2019, 9:23 a.m. Reply

We generally recommend people check with an engineer for any such matters, but that shouldn't be a problem at all. Installing tubing for a ground source heat pump (GSHP) under slab on grade foundations as well as ground loops for HRVs and ERVs, can be a an easy way to harness the heat of the ground without needing to do any additional excavation. I would mention your plans first to the slab form kit manufacturer and get them to sign off on it ahead of time.

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