HVAC for an ICF house with SIP roof – GreenBuildingAdvisor

Hello All,

I’m in the process of designing a 2,200 sqft ranch with basement in Zone 5 – Putnam County, New York.  House will be ICF walls with SIP roof.  All interior framing will be steel.  I want to use a air-to-water HP for domestic HW and hydronic radiant, but am struggling with the best way to handle the air conditioning during summer months.  The designer I’m working with is pushing me towards radiant cooling and using an ERV with HP for dehumidification.  I’m leaning towards a ducted system instead of multiple wall units or ceiling cassettes.  Any advice on how best to economically achieve AC in addition to the air-to-water for hydronic radiant heating would be greatly appreciated.  Thanks