With electricity bills soaring, Irish households are constantly searching for ways to save energy and therefore save money when it comes to the end of the month.
Some switch energy providers or their tariffs to get cheap deals and rates but those moves come with a warning.
One expert has warned that even on a smart tariff, householders must be careful not to avoid an even higher bill than they had before, while there's a two-hour window you should avoid using two big energy-guzzling appliances.