Most reacted threads

Good day Off-Grider, I live in Estonia Off-the-Grid and I am co-owner of a small organic farm We have rough climate up to -40degC and last year, many of out pre-grown plants died in June (!!!) when we got MINUS Temperatures. My Farm was not the only one, because an apple farm with several ha...

Hi all, I am ongoing to start the rebuilding of a 3,0-3,5t Vehicule to an EV (max 90kmh) using a 48V 20kW GoldenMotor with a 62kWh LiFePO4 Pack. The Charger will be probably the MultiPlus-II 48/15000, which allow me charging the Batteries from a 230V 32A CEE Socket and also allow me to power...

Hello *, I plan to build a 1000m3 pond which is feed trough a 140m long DN100 PP Pipe which I got for free. They are 1,3m deep in the ground and will never see any frost. However, parallel is a HDPE Pipe PN8 40x2,4 with 140m and I want to pump roughly 10m3/h with maximum 8 bar trough it. Where...

Hi *, are there DIYer here which have build their own heatpump? I can get from my distributor a Danfoss BD350GH/Twin compressor for only 480€+VAT. It run from pure 24V and the power consumption is maximum 660W or 27A. I think, this is very acceptable. However I need two heat exchanger...

Good evening, I need a technical advice to Heat Pipes. I build a WinterGreenhouse with 21,5m x 7,2m but dig it 2,5-3m deeper out because I want to install 500m of pipes which contain a Water-Glycole mix and is heated trough a 9kW In-Flow Heater Using the Fronius Ohmpilot and a Fronius Symo...