
SolarTech
SolarTech
Founded in La Mesa in 2001, SolarTech is headquartered in El Cajon. It serves residential, commercial and nonprofit customers throughout California and Arizona.
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Business Highlights
- SolarTech says its solar installations are performed by employees, not subcontractors.
- SolarTech lists California contractor license 1106777 and Arizona contractor license ROC 343417.
- SolarTech says it is a certified or preferred installation partner for Tesla Powerwall, Maxeon, REC, QCells, Enphase and NeoVolta.
- SolarTech says it is accredited with the Better Business Bureau.
- SolarTech says panel removal and reinstallation work is backed by a workmanship warranty.
Service Area
California and Arizona.
Active Business Listing
SolarTech is one of 9 solar companies ProsGrade lists in El Cajon, California.
12 services listed, including Residential solar, Commercial solar and Energy storage. Open weekdays, closed on weekends. 1,042 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How SolarTech compares with the other 8 solar companies on ProsGrade in El Cajon, using public Google ratings and review counts.
- Has more Google reviews (1,042) than 7 of the 8 other El Cajon solar companies on ProsGrade.
Services Covered
12 services- Residential solarMaxeon, REC and QCells systems.
- Commercial solarSolar, storage and EV charging for businesses, developers, multifamily properties, nonprofits and municipalities.
- Energy storageTesla Powerwall, Enphase and NeoVolta battery systems.
- Roofing
- Solar pool heating
- Solar system diagnostics and repairRemote reviews and on-site checks for inverter faults, wiring issues and production drops.
- Solar care plansScheduled cleanings, health checks and 24/7 monitoring.
- Solar panel cleaningDeionized water and specialized tools.
- Solar panel removal and reinstallRemoval, protected storage during roof work, reinstall and system testing.
- Solar panel monitoringSolarFax daily production monitoring, early detection and updates.
- Solar upgrades and additionsAdditional panels or battery storage.
- Home EV charger outletDedicated 240 Volt outlet for Level 2 home charging.
Reviews
What customers say
Several customers praised the installation or service teams, while others reported communication problems and delays. One customer singled out Anthony for explaining system operation and helping set up the app; a different customer said a solar project stretched to four months and was still unfinished. One customer said they had to handle a roof leak themselves; the crew lent sealant and a ladder.
Customer Reviews
Alexander Y Karalnik
Dawn Billingsley
Jose Umali
Inked Country Princess Tink
Mark Sellers
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Frequently Asked Questions
How does SolarTech prepare for a service visit?
It reviews system details remotely and gives an estimate before any work begins.
How long does panel removal and reinstallation take?
Most projects take 3 to 5 business days, depending on system size and the timing of the roof work.
Does SolarTech repair systems it did not install?
Yes. It repairs solar panels, inverters and batteries of any make and model, regardless of who installed them.
What financing options does SolarTech offer?
Purchase, financing, lease and PPA options are available.










