Installing An Electric Tankless Water Heater

The most common installed water heater is the electric, and apart from the power issue the installation can be a very straightforward job. So, let’s talk about that for a minute.  

Tankless water heaters are very hungry, which means whatever model you pick, natural gas, propane or electricity, it takes a lot of fuel to make the world go around. 

Things to Note While Installing Electric Tankless Water Heater 

Generally electric tankless heater draws from 80-amps to 180-amps of electrical power, some are even larger.  

The standard residential breaker panel is usually 200-amps. Some homes may have multiple panels or sub panels. If this is your situation then you shouldn’t have a problem.  

The best thing to be sure about all HVAC installations and connections is by asking a professional. In my case, there was an unused panel just waiting.  

Once you are satisfied that you have the power capacity to supply your heater, you are ready to begin. Or almost, you should be aware of any local codes and follow them to ensure a safe installation. 

One other thing I’d like to point out is that tankless water heater Mississauga are rated on the ability to produce a set amount (gallons per minute) at a given temperature increase. As an example: if the heater you’ve chosen is rated to deliver 3 GPM while raising the temperature 50F degrees you may have what you need for summer months. 

But what about winter?  

Is water coming into your house close to 40F degrees?  

If so, the temperature rise will be 70-80 F degrees and this will probably make the flow rate drop down to 1-½ GPM. There is a little math to this project. 

An electric tankless water heater is not an ideal solution but it is pretty close. 

The big factors are how much hot water do you need during peak usage, where do you live geographically and let’s not forget the rate your utility company charges. I am fortunate to live in an area where gas and electric are about the same price, making electric an easy choice. 

Because of their energy saving ability, tankless hot water heaters have a natural advantage over regular hot water heaters, as you may already know.

To find the best tankless hot water heater for your needs, here are some things to consider: 

1) Capacity

this measured in gallons per minute. To arrive at a usable figure for your needs do this: Determine how many water sources could be operating at the same time. This total number is used to determine capacity. 

For example: 

    Shower, with water saver head – 1-¼ to 1-½ gallons per minute 

    Sink faucet ½ to ¾ gallons per minute 

    Tub or laundry sink 1-½ to 2-½ gallons per minute. 

2) Cost

both electric and gas do an excellent job of providing unlimited, lower cost hot water. But generally a gas unit will cost about twice as much and twice as much to install. 

There are savings of gas over electric but the days of cheap gas aren’t what they used to be. And when you consider that your hot water use may be only one or two hours a day the cost difference may take a long time to level out. 

3) Product

It’s a small market, currently, with the buying public just beginning to catch on to the benefits that a tankless hot water heater can provide. Most models offered are in the gas tankless hot water heater variety. 

The newest gas powered products have hand held remotes to start as an improvement over a running pilot light. Some have gone a step further by having sensor-activated flame. Electric models are activated by a water flow sensor. 

4) Quality

It’s worth considering the strength of brand name and warranty when trying to make a decision.

5) Figuring your needs

Your total gallons per minute and temperature rise will determine your heating needs. Temperature rise is the difference between ground temperature and what you want for a shower, or other needs. Take into account that this can vary 20 degrees or more between the seasons. 

For a large dwelling’s more complex needs, multiple units and smaller, on-demand heaters can be used to fill in. No matter what you choose as the best tankless hot water heater for your needs, the result will be lower energy costs and less impact on the environment.  

A continuous supply of hot water makes a tankless water heater a useful product in today’s home.

So now I guess you are ready to start. Since this demo can’t answer all your questions, I suggest you invest in a good how-to book that can be your back-up when you run into something that is confusing as well as needs a professional advice.  

Hope this article helped you with carrying out and understanding the electric water heater installation in brief. In case, you are facing any confusion related to heating or cooling equipment, you know whom to contact! Glors Heating and Air Conditioning is here for all your queries!  

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