Geothermal.contractors

Jim Jonas Inc has proudly served Lake County since 1934, establishing itself as a trusted energy solutions provider in Lower Lake, CA and throughout the region. Located at 9125 Highway 53, Jonas Energy specializes in HVAC installation, repair, and maintenance alongside solar systems and backup power solutions. The company offers 24/7 emergency service at (707) 994-5911, ensuring families stay comfortable year-round. Their experienced technicians handle air conditioning, heating, water heaters, and complete system upgrades with upfront pricing and no sales pressure. Jonas Energy partners with American Standard and offers flexible financing through Synchrony Bank for qualifying projects. The team combines decades of expertise in traditional systems with forward-thinking investments in solar, battery backup, and EV technology, making them the comprehensive energy partner Lake County homeowners depend on during emergencies and routine maintenance alike.