High Performance Heating & Air

High Performance Heating & Air operates as a sole-proprietorship in Oakland, California, under the direction of John, a licensed HVAC specialist holding CSLB License #821099. With 31 years of hands-on field experience and over 20,000 systems repaired, this contractor has cultivated a repair-first philosophy uncommon in an industry that often prioritizes new equipment sales. The business maintains a perfect 5-star rating across 185 verified reviews, serving residential clients throughout the East Bay area. Unlike larger companies that rely on turnover, John personally handles every service call, drawing on formal trade-school training completed at the top of his class.

What distinguishes this contractor is the explicit commitment to repair-only service. The website directly challenges the industry norm of replacement, suggesting most tradesmen prefer installation work over diagnostic repair. The single-operator model means customers work directly with the technician who performs the labor, no dispatchers, no subcontracted technicians, no markup layers. The business offers transparent flat-rate pricing communicated upfront before work begins, and customers are invited to observe the repair process. Service offerings span furnace repair, air conditioning repair, system tune-ups, and duct cleaning, with specialized attention to refrigerant-related diagnostics.

Customer stories from verified reviews illustrate this approach in action. Eric Hoppe describes how John arrived same-day during a major Oakland heat wave when no other service was available, diagnosing and repairing an aging AC system affordably within hours. Reviewer Scott Kobsar notes John attempts to diagnose problems and suggest quick-fix options over the phone before scheduling a service call, a practice that saves customers unnecessary expenses. Peggy Harrington's review mentions John explained each repair step while working on her furnace that shut down intermittently, achieving a perfect result within 24 hours of her initial call.