BLOG

Solar tips for valley homes.

Dust, rain and cleaning, backed by research.

How often to clean solar panels in Fresno

Fresno gets almost no rain from June to September. What the research says about dust, rain and how often to wash your panels.

Farm dust, road film and bird droppings block sunlight. What field studies in California measured, and what it means for your roof.

Sometimes. What California research says about rain, tilt and dirt, and when a real wash still makes sense.