Interra, the M-design inserts, is the ideal choice for renovating old fireplaces and raising their efficiency. The insert has an integrated fan which distributes the heat in your living room
in order to quickly reach the desired temperature. Result: the perfect combination of design and modern combustion technology. If you cannot install the Luna or the Venus appliances due to a lack of space, or if you are not able to connect an external air supply for combustion and cannot provide the convection air channel, then the Interra is thebest alternative choice!