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- Efficiency+available products is causing unsafe build practice or unreal cost on cathderal ceiling
- Electric boiler for both DHW and radiant heat
- Walkout, Two story up, single floor rule of thumb cost factor SWAG
- Return air grille vs duct distance
- Exaust fans for the bathrooms vs ERV
- low slope roof insulation
- Do yourself closed spray foam in a can….is it legit?
- Materials Estimator