If I upgrade to a remote control system for my boiler, I have to pay an extra £80 pounds. Assuming payback in 2 years, I will have save minimum £4 a month. Since I have a low usage, I need to half my consumption in order to achieve the saving.
The extra control also takes up electricity, and also means I will have to leave the router on, that minimal amount of electricity about let say 1p per day. In the grand scheme of things, I can omit the router cost.
The simplier controllers is likely to have a longer life, so logically I should use a simple controller, even though the thought of being a techie is fun.
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