Installation of a tankless water heater is NOT considered a do-it-yourself project. However, the installation of a Stiebel Eltron electric tankless water heater is relatively simple and can be done by any licenced plumber and electrician.

Does a plumber or electrician install a tankless water heater?

You might also need to hire an electrician, depending on the type of tankless water heater youre installing, whether you already have the necessary hookups in place, and the plumbers skills. Either way, you should get estimates from several contractors before you select one or two to do the installation work for you.

Can a homeowner install a tankless water heater?

Installation. While it is possible to install your own tankless water heater, its not a job for inexperienced do-it-yourselfers. There are a number of different sizes and styles of tankless water heaters, including propane, natural gas and electric, along with single-room or whole-house sized models.

How much does it cost to install an electric tankless water heater?

An electric tankless unit will cost about $500 to $700, roughly the same as a traditional tank model, while the cost of a gas tankless heater runs about $1,000 to $1,200. Beyond the initial cost, the national average for the installation of a tankless unit is slightly over $1,700.

Do tankless water heaters use a lot of electricity?

How Much Electricity Does a Tankless Water Heater Use? According to the Department of Energy, tankless heaters are around 24 to 34 percent more efficient than heaters with tanks in homes that use 41 gallons or less of hot water per day, or 8 to 14 percent more efficient in homes that use 86 gallons of water or more.

What are the disadvantages of a tankless water heater?

Disadvantages include: Tankless water heaters usually cant supply enough hot water for simultaneous uses such as showers and laundry. Unless the system is equipped with a modulating temperature control, it may not heat water to a constant temperature at different flow rates.