High 5 Plumbing, Heating & Cooling is the leader in water heater replacement in Thornton, CO. We’ve been operating in Thornton since 2012, providing customers with exceptional customer service. Our professional plumbers have experience with all types of water heater installation and replacement jobs. We are the go-to plumbing company, whether customers need to install a new water heater or replace an existing one. Water heater replacement shouldn’t be a stressful or tedious process. That’s where we come in!