Carefully consider the types of solar panels you plan on having installed. Long ago, if you didn't have enough roof space, you'd need very expensive high efficiency mono-crystalline panels. There are now more advanced polycrystalline panels and even thin film panels. If you've got enough roof space, you might wish to look at the size of the panels in relation to their output capacity to avoid having insufficient panels that you need more of later.
Check for government certification on any solar panel you are considering buying. Consider this tip a must. The government's seal of approval lets you know that these panels are deemed quality and efficient. Plus, some of the financial benefits of using solar panels (tax credits, etc.) rely on using certified panels.
Watch the full episode: https://thisoldhouse.com/watch/ask-toh-hawaii-makes-50 Ask This Old House plumbing and heating expert Richard Trethewey …
Track numbers when getting solar panels for the home. Solar panels might not be a good option if you cannot count on optimal exposure to sun rays in your area or if you use more power than a regular solar energy system can generate. You need to do all your homework, so you know if this type of energy is really going to save you money.