SOLAR SYSTEM INSTALLATION
FOCUS ON THE FUTURE
Harelson Mechanical Solar Systems a solar engineering and installation company, with offices in northern California . We strive for quality workmanship and place a large emphasis on customer satisfaction and education. Our customers rely on us for regulatory, technical, policy and financial expertise along with excellence in solar installation.
Solar electric systems are a proven technology and are extremely reliable. Photovoltaic (PV) cells were originally developed for use in space, where repair is extremely expensive, if not impossible. PV still powers nearly every satellite circling the earth because it operates reliably for long periods of time with virtually no maintenance. Frame work at PG&E site
Maintenance Services
For larger systems or systems with difficult access, Harelson Mechanical offers optional maintenance contracts. Harelson Mechanical will schedule annual or semi–annual maintenance visits. During these visits Harelson Mechanical will provide the following services:
- Clean the module array
- Check all electrical connections
- Log lifetime and instantaneous power and energy output
- Check for any plant growth causing shading
- Write a report on system status and any corrective actions if necessary.


