Please Log In to view this link! Has anyone tried this before? Just for the record the candles he says are £1 per 100 are now £1.50 per 100, but 12p per day per room is certainly not bad. I have tried this personally and can confirm it works, although having so many candles in such a small space can slightly increase the risk of carbon monoxide poisoning. Shouldn't be a problem in larger rooms though.