Klaus & Sons are your local licensed and insured (CSLB #320990) family-owned plumbing, heating and air-conditioning experts. We provide local residential and commercial HVAC (Heating, Ventilation and Air-Conditioning) and plumbing services 24 hours a day by expert, trained technicians.
Along with our experienced technical staff, we have a courteous and professional office that can answer questions and help you with all your service, maintenance and installation needs. We repair all brands, makes and models of HVAC equipment.
Klaus & Sons has been serving Upland and the surrounding communities for over four decades. We pride ourselves on providing every customer an excellent experience.
Our technician, Tyler, was friendly and knowledgeable. Service was clean, fast and the office was helpful and kind.
Our technician was thorough and courteous and answered all of our questions. We are repeat customers.
I cannot believe how honest you guys are! Marino installed a new water heater, he was so helpful. He, Wes and Gene are awesome!
Fred was professional and courteous. Thank you for traveling to Mt. Baldy, it is appreciated. The service was very good, fast and the office staff was helpful and kind.
Klaus & Sons continues to take excellent care of all our plumbing needs, as they have for decades.
Andrew was polite, knowledgeable and we received excellent customer service.
Very good service! We were well pleased. Tifanny was very helpful.
Our technician, Wes, was a happy hard-working, thinking tech. Clean, fast. We are repeat customers.
We referred our neighbors. Andrew was very informative and nice.
Our technician was Fred. We were very impressed with the service, especially with Fred, who is very professional. You should be very proud of him he is a great asset to your company.