Turboheat Componentes

Turboheat is a ducted heating system invented, patented and owned by Turboheat.
The Turboheat system is an innovative and unique product that allows you to heat your entire home from a single wood fire.
The Turboheat system has not been done before, and it is the only system of its kind in the heating industry. Although the Turboheat system is a practical concept it is technically engineered yet simple to operate.
We invented the Turboheat system to heat the entire home from 1 heat source being the wood heater. We realised that a wood fire, only heats the room it is located in, unfortunately leaving the rest of your house cold.
We wanted to capture the heat from the wood fire and centrally duct that heat throughout your home.

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does this not draw air from the outside when fan is sucking? appears that the exhaust flue is open at the top to the heat exchanger?