Klaus & Sons Plumbing Heating & Air Conditioning

Klaus & Sons Plumbing Heating & Air Conditioning has served the Montclair and greater Inland Empire area since 1976, operating for nearly five decades under CSLB license 320990 with C10, C16, C20, and C36 classifications. The company provides fire sprinkler inspection and installation, fire alarm inspection, installation and monitoring, fire extinguisher service, backflow testing, and kitchen hood cleaning across their multi-trade license classifications. With a 4.9 Google rating from 987 reviews, Klaus & Sons operates as a licensed corporation covering the full spectrum of fire protection and life safety services. Their comprehensive classification coverage allows them to handle integrated fire protection systems from design through ongoing maintenance and monitoring.