Plumbing If you are suffering from issues with your plumbing, you can call the well-trained team at Klaus & Sons Heating & Air Conditioning in Upland. From leaky faucets and drain cleaning to providing support with renovation projects, we can be out there quickly to resolve an emergency or talk about your plumbing needs. Plumbing problems can be a huge inconvenience, but luckily our experts are certified and trained to help with any of your issues! While issues may appear small, they can lead to bigger problems and impact more than just your plumbing. Our experts are here to help with any of your installation or repair needs. Give us a call at 909-982-5698 to book an appointment or use our convenient online scheduler!