Bulgaria Guide: Heating & Air-conditioning, Heathing systems and costs: As a mountainous country Bulgaria has

Svenske Energimyndigheten har testet solcellemoduler og vekselrettere på vinterforhold Source: Stor test: Disse solcellene er best for norske forhold – Tu.no

Heat pump – maximum efficiency with minimum bills. Complete solution for the needs of your home. Up to 70% lower bills for heating, cooling and hot water. Source: Heat pump – heating, cooling and hot water in one

You would think that the more sunlight that hits a solar panel, the better. When it comes to efficiency though, that’s not the case – as photovoltaic cells heat up their efficiency decreases. To capture that heat and put it to good use, a team of scientists from Brunel University London has created a hybrid…

Får den i september:-)

The eastern European country saw the addition of only a few hundreds kilowatts of PV over the past few years, and for 2017 just around 200 kW of new PV systems are expected to come online. Source: Bulgarian solar market still halted by unfavorable regulatory framework – pv magazine International

This exemption allows you to use waste as fuel to produce heat or power. Source: Waste exemption: U4 burning of waste as a fuel in a small appliance – GOV.UK