Energy prices have turned drafty rooms into expensive rooms, and nowhere is that more obvious than around old windows. Yet ...

Drafty windows are small money furnaces for warm air that vents immediately outdoors as you pay to heat it, and cold air slips in to replace it. The frustration isn’t even the agony of cold patches ...

Energy bills aren’t getting kinder, and conservatories leak warmth like a loose pocket leaks coins. The culprit is rarely dramatic. It’s the tiny gaps around frames, tired gaskets, hairline cracks in ...