wall vents

Hi all, We live in an older property that has high up wall vents in the bedrooms. Our windows are older and don't have trickle vents. However, we're getting our windows replaced and have the option to add trickle vents. My feeling is that we should just use the wall vents and not have trickle...

Hey everyone, we have a combi boiler which heats our radiators. Lovely. The only thing is we have big vents around the house which are just gaps in the brick, with an air brick on the outside and a sheet of metal on the inside. You can really feel how much colder it is where the vents are. So...