Surely smart heating wasting fuel and energy will depend on the heating system and the usage of the property?
A holiday flat which is not occupied every day is likely to benefit more from smart heating than a small bungalow occupied 24/7 by a retired couple.
A gas heating system that can heat...
Away mode when the last person leaves the house (tracked by mobile phone position). Out of away mode and back into normal working mode when someone leaves work, or travels within a specific distance of home (again tracked by mobile phone position).
Heating temperature lowered when everyone is...
I believe that the very best you can hope for is that the solar panel will replace the energy used while the car is standing idle. It isn't going to charge a battery from flat unless you live on the equator.
I have a Eufy doorbell and a Home base. The doorbell is battery powered, I didn't use the option to have a wired power connection. It's ok but can be a bit slow. Sometimes it's fast enough to talk to a visitor who has rung the bell but at other times the visitor has left before I get a reliable...
Why do you need 3 slip couplings? Cut a section out of the existing pipe, shove the tee onto the existing upstream pipe. Shove your new pipe into the new tee. The slip coupling is only needed between your tee and the downstream pipe.
Yes, but moved from the outside of the engine where they were fairly easy to change to inside the engine where they cost more than £1000 and take an experienced garage all day to change. If they snap it's goodbye engine.