A qualified installer requirement will vary according to their respective states, county or city. Make sure the installer you choose is a licensed professional and has knowledge of tankless water heaters.
The first step in locating a qualified installer in your area is to use our Contractor Finder.
In general, a qualified installer will have experience installing Noritz tankless water heaters and be familiar with the installation requirements in our manuals. There are vastly different requirements between installing a tank water heater and a tankless. A qualified installer will know the ins and out of those differences to ensure you end up with a safe installation that performs up to your expectations.