Replacing an old Economy 7 heater with a modern one, will I save much on electric bills?
We have old, (single supply) economy 7 storage heaters that have been in the house since it was built 30+ years ago. Now we have a smart meter I have been doing some hour by hour analysis of our electric usage. As expected the most energy is used for the first three hours from mid night when the heaters "boot up". ie, by the time the tariff goes back to daytime the heaters have been off for a while and are losing heat, and by the evening some are almost cold.
If I changed a heater for a more modern one with a 24hr supply, (to the timer unit), would it be better to set them to come on a little later, eg about 4:00AM? That way the heater would stay hotter until later in the day?
(Last Winter we found that we only needed to use 2 heaters with backup from a multi fuel burner and some occasional convector heating in rooms which were only used occasionaly).
Thanks for any replies...
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