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Drake · 02-21-13, 10:21 AM

My new living addition(approx 1,000 sq') will have high mass hydronic radiant heat for primary heat. I am researching back up/supplemental heat source for heating water with wood to supply my hydronic radiant floors. Being also a very air tight space with heat recovery fresh air, combustion devices add unwanted issues without outside intake air. Anyone aware of indoor units that have, can be converted or DIY modified to have outside fresh air intake? Outdoor boiler systems are overkill for what I need.

02-21-13, 10:21 AM	#1
Drake DIY Guy Join Date: Jan 2011 Location: Mpls,MN Posts: 315 Thanks: 2 Thanked 17 Times in 17 Posts	wood hydro boiler/stove/H2O htr ??? My new living addition(approx 1,000 sq') will have high mass hydronic radiant heat for primary heat. I am researching back up/supplemental heat source for heating water with wood to supply my hydronic radiant floors. Being also a very air tight space with heat recovery fresh air, combustion devices add unwanted issues without outside intake air. Anyone aware of indoor units that have, can be converted or DIY modified to have outside fresh air intake? Outdoor boiler systems are overkill for what I need.