Smart Home Energy 
If you have an unused open fireplace losing heat and letting in draughts, a Chimney Sheep wool plug stops the air flow without blocking the chimney permanently — just pull it out before you light a fire.
Problem it solves
Stops heat loss and cold draughts through unused chimneys, cutting heating bills and improving comfort without blocking the chimney permanently.
Who it's for
Homeowners or renters with unused open fireplaces who want to stop draughts and heat loss without permanent alterations, or anyone noticing cold air and noise from their chimney.
Why we recommend
Sheeps wool is more environmentally friendly than the plastic versions and this product can be easily removed.
Savings
- Typical annual saving
- £40–£90/year depending on chimney size and heating fuel cost
- Payback period
- Under 1 year
