24 hour plumbers and HVAC technicians for the Inland Empire since 1973

About Us

Klaus & Sons 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 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 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 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.

100% Guarantee

Every customer is guaranteed:

Phones answered by friendly, professional customer service representatives
Highly-trained, product-knowledgeable technicians and estimators
On-time appointments
Respect for all working environments
Use of modern industry practices and standards
24-hour answering service

If for any reason you are not 100% satisfied, please call our office at (909) 982-5698.

BBB_logoBBB Accreditation

A BBB Accredited Business since 1988

BBB has determined that Klaus & Sons Construction, Inc. meets BBB accreditation standards, which include a commitment to make a good faith effort to resolve any consumer complaints.