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Published on Aug 3, 2012
CCHRC has developed an integrated heating and ventilation system that includes an in-line sealed combustion diesel heater in the HRV supply air stream. The system is being installed and monitored in two homes at the UAF Sustainable Village. The small diesel heater injects heat into fresh air entering the home (which has already recovered heat from the outgoing air in the HRV core). The system will provide 90% of the home's heat, which will be distributed through the HRV ducting. The heaters are sized for the cabin of a semi truck, and match the extremely low energy demand of the homes (roughly 17,000 BTU/hour).
In this video, plumber and installer Dawson Tozier describes how the system works from inside the mechanical room.