Technicians For Sustainability

TFS installed a 7.2 kW system for us, along with updating our electrical panel and installing a NEMA 14-50 outlet with a dedicated circuit for EV charging. I got quotes from three different...

It is without reservation that we would recommend TFS if you are considering rooftop solar. They are thorough and professional, and communication throughout the entire process was timely and...

piss poor service - I inquired about a solar system with battery backup. end of July. Here we are first week of October still no system design or offer. I've followed up and gotten bs response...

TFS did a terrific job. They did a very thorough estimate and even took into account the shadow that would be cast by the giant saguaro. Other firms were more concerned about how many solar...

Tempted to give one star. TFS installed our solar power system in 2011. In 2022, an electrical component spontaneously melted and could easily have started the house on fire - scorch mark on the...