Doras Firefront

Can be retrofitted to most standard 16" or 18" open fireplaces. It is easy enough to install DIY and will make your fire more efficient.
It will allow you to control the burn rate of your open fire and can be used in conjunction with an existing back boiler to increase its output.
It features Airwash technology, which preheats and funnels the air down the glass window to help keep it clear.
 
76% Efficiency rating (Based on wood)
When burned correctly wood is probably the most environmentally friendly way to heat your house. Wood is a renewable heat source that requires minimal processing.