I read with interest and some concern the letter from Mary Hammersmith in the February/March 2004 issue regarding the waste oil heater from the September/October 1978 issue. I helped build that heater ...

Buying a heater will do the trick, but working out which type to buy isn’t easy – especially when you factor in the cost of running each model. Oil column heaters work a little differently to other ...

With over 10 years’ experience writing about consumer affairs, Sarah leads on energy content at Which?, helping customers navigate the market and exposing poor practice. Around 5% of homes in Great ...