
If you've got one, does it work, can you understand it, has it saved you any money and was it worth it?

We haven't got one and never been offered one (probably because we've got separate gas and electric providers and we're on standard variable tariffs (yes, I know

We've just ditched British Gas as our annual boiler inspection / servicing people as they've hiked the renewal premiums up by over 30% in two years, (so much for must be 30 years loyalty
