Recent content by Starlyte

Some of the heat exchanger sales sites do have calculators, maybe the more classy makes. Take a look at the sites that sell them on the web, I did see one, but can't remember which model it was. On some of the specialist hydronic sites they give quite a few equations, too.

With Open Source logicals, such as one of the Linux OS's, specifically written for IoT (smart switches, thermostats and the like, plus an all-in-one cpu board (Raspberry or other Pi for example) or your "old" laptop (they get a new lease of life with Linux!), with a telephone connexion add on...

It's a remplacement for the electrical heater in a water tank, and is powered by either a solar water heater or a boiler. I don't knpw how efficient it is, but it must save money! It's called a sidewinder. If you have lots of sun you could heat it up to 100°C, pushing it, but I reckon it would...

Dreams are hard to reach, but worth the pains to arrive.

Old diyer, looking for easy and cheap(ish) ways to eco-restore and power an old stone house.