Yes, gas tankless water heaters can work well, even in cold climates, as long as the unit has been sized correctly to meet the hot water needs of your particular household.

Does cold weather affect tankless water heater?

Most indoor and outdoor tankless water heaters have built-in freeze protection against temporary winter temperatures ranging from -5 degrees Fahrenheit to -22 degrees Fahrenheit. This protection cannot withstand long term below freezing temperatures.

What is the downside of a tankless water heater?





The main disadvantage of tankless water heaters is their upfront cost (unit and installation) is significantly higher than tank-style heaters. Including installation, tankless water heaters cost 3 times more than tank-style water heaters on average.

How do I keep my tankless water heater from freezing outside?

How to Prevent Your Tankless Water Heater from Freezing

  1. Install Your Water Heater in a Warm Place. …
  2. Drain Your Water Heater. …
  3. Maintain a Power Source. …
  4. Consider a Recirculation System. …
  5. Insulate, Insulate, Insulate. …
  6. Run a Trickle of Water.


What is the most common problems with tankless water heaters?

Most Common Problems With Tankless Water Heaters

  • Overload. Every tankless water heater has a flow rate capacity that should give you a good idea of how much hot water can be used simultaneously. …
  • Cold Water Sandwich Effect. …
  • Mineral or Sediment Buildup. …
  • Flame or Ignition Failure.





What is the lifespan of a tankless water heater?

15 to 20 years

One of the most common questions asked by consumers about tankless water heaters is how long they will last. A tankless water heater can last anywhere from 15 to 20 years with proper maintenance and operation. In comparison, a standard tank water heater normally has a working life of 10 years or less.

Does a tankless water heater add value to your home?

If you are looking to increase the value of your home, adding a tankless water heater to your features is a great place to start. According to a study conducted by Zillow, homes with tankless water heaters sold for 4% more than their expected value. On average, these homes also sold 43 days faster than expected.

Which lasts longer tankless or tank water heater?



Equipment Life. A tank water heater has an average useful service life ranging from 10 to 15 years. Alternatively, tankless water heaters last between 20 and 30 years.

Can you run out of hot water with a tankless water heater?

Although a tankless system can’t run out of hot water, it can still be overwhelmed with demand. A single tap won’t do this: run that single shower all you want, you’ll keep getting hot water.

What maintenance is needed on a tankless water heater?

Tankless Water Heater Maintenance

  • Flushing the System. The hot water heater should be flushed at least once a year. …
  • Cleaning the Air Filter. In your tankless water heater, there is an air filter that will need to be cleaned regularly. …
  • Cleaning the Water Filter. …
  • Cleaning the Tank.



How often should tankless water heater be flushed?

once a year

Over time, a tankless water heater may accumulate mineral build up which can erode the walls inside your tank’s heating chamber. To properly maintain and clean your tankless water heater, it’s important to flush those mineral deposits at least once a year.

How much does it cost to put in a tankless water heater?

Tankless water heater installation costs $800 to $3,500 on average. Tankless hot water heater prices are $300 to $2,100 for a gas or electric on-demand system, plus $300 to $2,500 for installation labor. Tankless water heaters save $40 to $200 yearly by reducing energy costs by 8% to 34%.

How much does it cost to flush tankless water heater?



It costs around $150 to flush a tankless water heater. You especially need it at least annually if you have well water with a lot of iron. That causes more sediment buildup. The process takes about a half-hour.

How long should I run vinegar through my tankless water heater?

Allow the vinegar to circulate through the heater for a minimum of one hour (longer if the pump runs at less than four gallons per minute). This breaks down the scale and flushes out the sediment.

What happens if you dont clean tankless water heater?

What happens if I don’t flush out my tankless water heater? Mineral deposits may build up. This could cause a clog within the unit and may prevent normal heating activity. Your hot water could also fluctuate and overheat the system, impacting its efficiency.

Can you use vinegar to clean tankless water heater?

Quote from the video:
Quote from Youtube video: As you can see as a good flow. With just one gallon of vinegar. Most people use 2 to 3 gallons. But I mean for what I need to get done the one gallon of vinegar is good enough make sure you have at

How do you winterize a tankless water heater?



First, the heater should be turned off and the power cord unplugged. The gas and water supply lines should then be shut and the tank drained. When the water pressure reduces, the inlet and outlet water pipes should be disconnected. A bucket needs to be placed underneath to collect any remaining water.

How long is the warranty on a Rinnai tankless water heater?

All Rinnai tankless water heaters come with a reasonable labor coverage of 1 year. You have the opportunity to extend this coverage to 5 years if you register the product within 90 days of your purchase.