The leading provider of high-efficiency heating and cooling home comfort systems in Upland

Klaus & Sons Heating & Air Conditioning has provided quality plumbing, heating and air-conditioning services to the Inland Empire and Pomona Valley since 1973. Our customers can expect an exceptional experience from the moment our friendly customer service representatives answer the phone. Factory-trained, licensed technicians with fully-stocked service vehicles provide guaranteed quality service on every installation and repair.

We offer 24 hour experienced plumbers and HVAC technicians to serve you in emergencies, as well as being able to troubleshoot, maintain and repair your systems before they become problems. Our professional equipment repair and installation practices ensure 100% customer satisfaction. We are continually investing in state-of-the-art technology and training to exceed our customers’ expectations.

Klaus & Sons Heating & Air Conditioning is well-known in the community for our exceptional service, integrity and understanding of customer needs. We strive to provide every service, repair, maintenance and installation that may be needed in any situation. Klaus & Sons Heating & Air Conditioning is also committed to on-the-job safety and security for every job. We offer 100% customer satisfaction guarantee, so you have peace of mind when making important decisions.

Licensed by the California Contractors License Board #320990

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