High 5 Plumbing, Heating & Cooling offers reliable tankless water heater replacement in Westminster, CO. If you have an older tankless water heater that isn’t heating up your water as quickly as it used to, is cutting out, or otherwise showing reliability troubles, call High 5 Plumbing, Heating & Cooling for tankless water heater repair services. Our team will inspect your heater and offer advice about whether a repair or replacement would make the most sense long-term.