50m² of south-facing triple glazing provides free of charge warmth attain in Winter season, with a substantial roof overhang to avoid summertime overheating. Very low-Electricity options include a five.5kW air supply heat pump, mechanical ventilation and heat Restoration, and three.5kW of photo voltaic PV backed up with a Tesla battery. https://health-lists.com/story19982571/the-greatest-guide-to-eco-friendly-homes