10 Secrets Manufacturers Don’t Want Installers to Know About solar panel Efficiency
The Efficiency Myth No One Talks About If you’ve been in the solar industry for a while, you’ve probably noticed this:Manufacturers love to talk about solar panel efficiency percentages, but rarely about real-world performance. They’ll print numbers like “22.5% efficiency!” or “400W panel output!” in bold — but those figures are based on perfect lab…