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Tankless Water Heaters in Sacramento

Everything  to Know About Tankless Water Heaters
Call Preferred Tankless of Sacramento, CA 916.425.4534

Tankless Water Heaters

Since conventional water heaters operate by continually heating up a full tank of water, they are much more expensive to operate, opposed to any of the tankless water heater varieties. Tankless water heaters have a much more efficient design, one that allows heating the water when one needs it, which give the benefit of continuous hot water, while saving you money. For example, running an electric tankless water heater typically yields a 10-20% reduction in costs compared to a conventional water heater. Running a gas tankless water heater can have as much as 20-40% in savings.

Besides cost savings, tankless water heaters are also more reliable long term. There is a long known issue of corrosion on conventional water heaters that lower the life span and creates a hassle in maintenance of it. This is one of the reasons why a conventional (tank) water heater can last anywhere from 5-15 years, depending on the quality of water heater, quality of water running through it, and how much you maintain it. Tankless water heaters on the other hand do not have these and other issues and easily last upwards of 20 years.

Overall efficiency of a Sacramento Tankless Water Heater

If you consume a normal amount of water in your Sacrament home then most likely you are between 30 - 50 gallons a day. The overall energy cost of having tankless water heater can vary from home to home. If you are using this normal amount of water the you are going to be 24%–34% more energy efficient than a tank water heater.  If you are consuming larger amounts of hot water in your Sacramento home then you will be around 10 -  15% more energy efficient than a tank water heater. If you are really looking to be more energy efficient than a tank water heater then you can install a tankless water heater at every hot water outlet, this will put you around 27%–50% more efficient.

• Tank Water Heater vs. Tankless Water Heater: Tankless Water heater is 10% - 50% more efficient
• Propane Tankless Water Heater vs. Electric Tankless Water Heater: Gas Tankless Water heater is 10% - 20% more efficient
• Natural Gas Tankless Water Heater vs. Electric Tankless Water Heater: Gas Tankless Water heater is 15% - 25% more efficient

Tankless Water Heater heating details

A tankless water heater can provide your Sacramento home with up to 2–5 gallons per minute. The difference between a gas tankless water heater and an electric tankless water heater is that gas will provide more gallons per minute. If you are running multiple showers and say the dishwasher or doing laundry, there will always be a tankless water heater that will provide enough hot water.

Tankless Water Heater Size and Water Usage

Choosing the correct size of water heater will ensure you have enough hot water for your household's needs, while operating efficiently. If you would like to size a combination water and space heating system, including tankless coil systems, heat pump systems, and indirect water heaters you should consult a qualified contractor.If you haven't thought about the type of water heater that will be a best fit for your home, here is some more information that may help you decide.

Sizing Tankless or Demand-Type Water Heaters

To size a Tankless water heater, also known as demand-type water heater you need to find the necessary temperature rise and flow rate for the intended use. For example, it would be a different flow rate and temperature rise if you need it for the whole house as opposed to a remote location like a bathroom.You would first need to estimate the number of hot water devices you expect to use at any one time. Then you will want to add their flow rates up, which is measured in gallons per minute. This will be the preferred flow rate that you will want for the tankless water heater. Consider the following example: Say you were expecting to run a hot water faucet with a flow rate of 0.80 gallons (3.03 liters) per minute at the same time you run a shower with a flow rate of 3 gallons (11.36 liters) per minute. The flow rate through the tankless (demand) water heater would have to be a minimum of 3.80 gallons (14.39 liters) per minute. In order to reduce the flow rates you would want to install low flow water fixtures.In order to the determine temperature rise you would want to subtract the incoming water temperature from the desired temperature coming out of the faucet. If you are unsure of the incoming water temperature, assume that it is around 50ºF (10ºC). For most of your everyday uses, you will want the water heated to around 120ºF (49ºC). So in this case you would need a tankless (demand) water heater which yields a temperature rise of 70ºF (39ºC) for most everyday type of uses. If your dishwashers and other applications don't have internal heaters you may want to have your water heated at around 140ºF (60ºC). In this situation, you would need a temperature rise of 90ºF (50ºC).Tankless (demand) water heaters are usually rated for a variety of temperatures. Usually a temperature rise of 70ºF (39ºC) is possible with a flow rate of 5 gallons per minute from a gas-fired demand water heater and 2 gallons per minute through an electric powered water heater. At distant faucets, the water temperature can be reduced with faster flow rates or cooler inlet temperatures. There are some models of tankless water heaters that are have a thermostat to alter the temperature. These can basically vary the output temperature based on the ingoing temperature and the flow rate of water.