Klaus & Sons Plumbing, Heating & Air Conditioning

Klaus & Sons Plumbing, Heating & Air Conditioning delivers reliable HVAC and plumbing services to Upland, California, and the surrounding communities. With decades of experience, the company specializes in heating repair, air conditioning installation, furnace maintenance, and comprehensive plumbing solutions for both residential and commercial properties. Their certified technicians prioritize energy efficiency, system longevity, and indoor comfort, using advanced diagnostics to address issues like refrigerant leaks, faulty thermostats, clogged drains, and water heater failures. Klaus & Sons offers transparent pricing, same day emergency service, and upfront estimates to ensure peace of mind. Whether you need a seasonal tune up, emergency AC repair, or a complete system replacement, their team provides prompt, professional workmanship backed by a satisfaction guarantee. Serving Upland, Rancho Cucamonga, Ontario, Claremont, and beyond, Klaus & Sons is the trusted local choice for year round comfort and dependable plumbing performance.