The higher the energy factor the more efficient the water heater.
Tankless gas water heater installation.
Ask this old house plumbing and heating expert richard trethewey heads to milwaukee to install an instantaneous water heater.
For a household of one or two people a tankless electric unit will probably be adequate.
Whether gas or electric tankless water heaters heat water only as it is needed and may save up to 70 percent on a yearly heating bill.
Installing a tankless water heater installing the gas connections.
This natural gas tankless water heater has a 95 thermal efficiency and is intended for residential and commercial use.
Business owners will love it for its energy saving technology and the heat at up to 185 f.
This guide outlines a typical gas tankless water heater installation with easily available tools and materials.
For and electric water heater simply unplug the appliance from the wall outlet.
The home depot offers traditional water heater tanks and modern tankless units both powered by either gas or electricity.
Disconnect heat source from old water heater as follows.
Subscribe to this old house.
Today tankless water heater energy factors range between 64 and 91 for gas fired models and up to 99 for electric models.