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- Combustion venting and HPWH cold
- Building proximity to a well
- Domestic hot water from a steam boiler: Finding a contractor
- Concrete block house from 1904
- Soler & Palau ERV experience
- Drain water heater recovery location
- Purchasing Knauf Ecoseal
- 6 mil poly in the ceiling
- Vermiculite / Firebrick / Soapstone
- Spray polyurethane foam on flat roof
- Help finding flashing attachment for solar panel racking
- Asphalt Felt for Rainscreen