this was also my idea for the solar energy I am not using daily, but firstly it should be directed by homeassistant to an electric car, which I currently not have. Good luck, I will watch your progress!👍👍👍
Hi, I do exactly this with my Eddi. I heat our hot tub with the excess energy. It has a 3kw heater and usually gets the tub to 39oC by midday. Once that is to temperature it moves over to our 100 litre hot water heater. It heats that to 70oC via a 2kw element. A mixer valve reduces the water temperature down to 50oC for showers / washing etc. only 2 of us do we never run out of hot water :)
Grymt Thomas! Jäkligt tröttsamt med att dom sabbar för solenergi nu. Även om jag inte själv har någon solenergi så köpte jag dyra solenergiaktier för några år sen som inte är så mycket värda längre ;)
thats quite a tank. Our normal tanks in the usa just have one cold input, a hot output, a drain and a pressure relief. Look forward to see how you wire it up and automate it.
Hi, it’s exactly that type I’m using at the moment. But this new one will of course be much more versatile. It will take some time to do it but I will keep you updated😉 Thanks for your comment ☺️
Friendly advise - start at 70% battery. Why? Because the battery will be able to charge even with 2kW excess, but the water heater cannot. If you later have bad weather, the battery can still recharge and you've savedas much energy for export as possible. Nice price, btw - those hot water pumps and valves are worth half of what you paid for everything. Amazing! Btw, my heaters have internal protection to not go above 75 deg C - they will just disconnect on their own.
Well, my priority is always to charge the battery first and then if I have solar energy to spare, I will heat the water with it. My goal is to export as little as possible and not vice versa. ☺️ Yes I’m so happy with this deal. ☺️ It’s not everyday that happens. The heaters in this tank have the same type of thermostat as yours , even if you set them to max they will turn off at a safe temperature. Thank you so much for your comment ☺️
I use from March to October an immersion heater 1,8kw for hot water. It has a built in temperature sensor and runs 24/7. (29kwp+20kwh). So my priority is always hot water. 1 Liter warm water needs around 1W stand by.
that ore tax race is more or less the same here I guess: you get 8 cent per kWh you are feedin into the grid and if you need that amount back you have to pay the local prices (usually a 1 year contract with 1 fixed price of roughly 30 cent) or you have a dynamic price like tibber and all the others that offer a dayahead price for every hour tomorrow. But that means 20 to 50 cent where usually the workdays eve gets quite expensive up to 55 Cent here for 1 or 2 hours after sunset. But during weekend you can expect low prices. Water heating in a tank is not that efficient unless you use a heatpump . But the worst: how many watt is your tank loosing and also the whole solution, all its tubes and pipe. 100 W x 24 = 2,4 kWh heat losses is a usuall figure for a 300 Liter tank. And the worst point: you can not reuse the energy for something else than a warm show er for you or waching machine . I do not like these warm water storages. We had one once , a 300 Liter heatpump and that was too much for too low demand . Ours had even a heatexchanger so we could export warmth from there to the heating system, but only 15 kWh a days which equals 1,5 Liter Oil, which is not much. Lot of money spend and just a few € saved or gained.
The plan is to minimise the export. Even if it will be losses, it is still better than giving it away for free… This is one of the best and well insulated tanks on the market, but I have to admit that I have not calculated the losses in kWh. I then of course have more plans to this system then just this one, and a heat pump is one of them😉
I’m not off grid so not something for me yet. I did som calculation and I might save 100eur if I run the pump 24-7 in 50 years. And that pump cost a lot more than that. Thanks for the advice anyway 👍🏻
Good luck on the install. Hope it won't explode and we'll have another video coming up soon!
Haha, i hope so to😅 Thank you 🙏
this was also my idea for the solar energy I am not using daily, but firstly it should be directed by homeassistant to an electric car, which I currently not have.
Good luck, I will watch your progress!👍👍👍
Thank you I’ll keep you updated
☺️
Looking forward to seeing this fitted, you always have to find new ways to stay ahead in the game. Good lucl.
You are so right about that, thank you so much.☺️
Hi, I do exactly this with my Eddi. I heat our hot tub with the excess energy. It has a 3kw heater and usually gets the tub to 39oC by midday. Once that is to temperature it moves over to our 100 litre hot water heater. It heats that to 70oC via a 2kw element. A mixer valve reduces the water temperature down to 50oC for showers / washing etc. only 2 of us do we never run out of hot water :)
Hi, that sounds great 👍🏻😃
Grymt Thomas! Jäkligt tröttsamt med att dom sabbar för solenergi nu. Även om jag inte själv har någon solenergi så köpte jag dyra solenergiaktier för några år sen som inte är så mycket värda längre ;)
Tack ☺️ Fy vad tröttsamt. Du är nog inte ensam om det tyvärr…
Great solution!
Thanks, I hope so ☺️
thats quite a tank. Our normal tanks in the usa just have one cold input, a hot output, a drain and a pressure relief. Look forward to see how you wire it up and automate it.
Hi, it’s exactly that type I’m using at the moment. But this new one will of course be much more versatile.
It will take some time to do it but I will keep you updated😉
Thanks for your comment ☺️
King👍
Together with charging your cars (when home) or heat your house, this will give you the best tax relief 👍🏻 more free ⚡is awesome!
You are so right☺️
Friendly advise - start at 70% battery. Why? Because the battery will be able to charge even with 2kW excess, but the water heater cannot. If you later have bad weather, the battery can still recharge and you've savedas much energy for export as possible. Nice price, btw - those hot water pumps and valves are worth half of what you paid for everything. Amazing! Btw, my heaters have internal protection to not go above 75 deg C - they will just disconnect on their own.
Well, my priority is always to charge the battery first and then if I have solar energy to spare, I will heat the water with it. My goal is to export as little as possible and not vice versa. ☺️
Yes I’m so happy with this deal. ☺️
It’s not everyday that happens.
The heaters in this tank have the same type of thermostat as yours , even if you set them to max they will turn off at a safe temperature.
Thank you so much for your comment ☺️
I use from March to October an immersion heater 1,8kw for hot water. It has a built in temperature sensor and runs 24/7. (29kwp+20kwh). So my priority is always hot water. 1 Liter warm water needs around 1W stand by.
How are you heating your house now?
Heat pump and wood.
Are you guys not grandfathered into those exchange rates??
No we’re not.
@@flyingtools wow that’s nuts. Where I live it’s 1:1 grandfathered exchange rate.
that ore tax race is more or less the same here I guess: you get 8 cent per kWh you are feedin into the grid and if you need that amount back you have to pay the local prices (usually a 1 year contract with 1 fixed price of roughly 30 cent) or you have a dynamic price like tibber and all the others that offer a dayahead price for every hour tomorrow. But that means 20 to 50 cent where usually the workdays eve gets quite expensive up to 55 Cent here for 1 or 2 hours after sunset. But during weekend you can expect low prices.
Water heating in a tank is not that efficient unless you use a heatpump . But the worst: how many watt is your tank loosing and also the whole solution, all its tubes and pipe.
100 W x 24 = 2,4 kWh heat losses is a usuall figure for a 300 Liter tank.
And the worst point: you can not reuse the energy for something else than a warm show er for you or waching machine .
I do not like these warm water storages. We had one once , a 300 Liter heatpump and that was too much for too low demand . Ours had even a heatexchanger so we could export warmth from there to the heating system, but only 15 kWh a days which equals 1,5 Liter Oil, which is not much. Lot of money spend and just a few € saved or gained.
The plan is to minimise the export. Even if it will be losses, it is still better than giving it away for free…
This is one of the best and well insulated tanks on the market, but I have to admit that I have not calculated the losses in kWh.
I then of course have more plans to this system then just this one, and a heat pump is one of them😉
The water shouldn't be so close to the electric ... shit happens.
The tank is empty and this is not the final place for it.
11:21min. This Grundfoss pumps ar not a very economical w, better choose a Grundfoss Alpha2, on 1.speed just 3w.
I’m not off grid so not something for me yet. I did som calculation and I might save 100eur if I run the pump 24-7 in 50 years. And that pump cost a lot more than that.
Thanks for the advice anyway 👍🏻