Tankless Water Heater Installation and Repair

A tankless water heater heats the water on-demand.  Since there’s no tank, the unit is not endlessly re-heating the same tank of water.

The unit may be installed in the garage, a closet, or other convenient place.  It can also heat water for a single shower, sink, or appliance.


A Tankless water heater provides an endless supply of hot water.  While the up-front cost is higher, your monthly utility bill will be lower.

Tankless Water Heater Installation

Installing a tankless water heater requires fitting together pipes that will not leak water or gas.  Only a professional should install a tankless water heater.


These are the steps for a pro to install a tankless water heater:

  1. Upgrade your gas line
  2. Remove the old water heater
  3. Mount the water heater
  4. Install the gas line
  5. Install new water lines
  6. Connect the pressure relief valve
  7. Install the exhaust vent
  8. Turn on the water

Tankless Water Heater Repair

Sometimes a tankless water heater repair is as easy as a tankless flush.  Other times the motherboard or heating element may need to be replaced.

Experts recommend doing a tankless flush every one to two years.  The flush eliminates calcium build up in the unit.  The flush also helps prevent a leak in the heat exchanger – the most common reason for repair.

A pro can repair your tankless water heater and keep it maintained as well.

Washing dishes

Tankless Water Heater Pros and Cons

Tankless water heater pros:

  1. Endless supply of hot water
  2. Compact
  3. Safer
  4. Energy efficient
  5. Easy to winterize
  6. Space saving
  7. No stale water
  8. Lasts longer


Tankless water heater cons:

  1. Not enough hot water (if output too small)
  2. Higher up-front cost
  3. Slow water input will turnoff the unit

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