
Electric Tankless Heaters
- An electric system is easy to install, so it typically has cheaper installation costs associated with it.
- Electric water heaters are typically smaller than gas water heaters – usually about a third of the size of a gas system.
- Because no gas combustion happens with an electric tankless water heater, there’s no need for ventilation. ...
Are gas water heaters better than electric?
Though gas water heaters burn hotter, they are less efficient than electric water heaters because much of the energy output is wasted through the vent at top. The vent is necessary for discharging toxic gases. Due to their cleaner operation, electric water heaters last slightly longer than gas water heaters.
Are tankless water heaters a worthwhile investment?
Tankless water heaters are a great investment for some households. The detaining factor comes down to your needs. If you are looking to save space, make a long term household investment, or have hot water without the waste of heating, a tankless water heater is right for you. And if those needs don’t suit you, a traditional water heater will work just as well to keep your water hot. Learn More About Our Plumbing System Services Make An Appointment
Is a tankless water heater the right choice?
In many cases, a tankless hot water heater is a smart choice for your home. However, there are a few situations in which you may be better off sticking with a traditional, tank-style unit. Below, we’ll tell you why tankless water heaters are usually a better option and when you may need to go with a tank heater instead.
How energy efficient is a tankless water heater?
If you use less than 41 gallons of hot water per day, a tankless heater is 24%-34% more efficient than a tank-style heater. If you use a lot of hot water, around 86 gallons per day, tankless water heaters are only 8% to 14% more efficient since they are running more often.

How do I know if my tankless water heater is gas or electric?
0:000:47Telling The Difference Between A Gas And Electric Water Heater - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf you have an electric water heater you're gonna have no pipe in between your hot and cold waterMoreIf you have an electric water heater you're gonna have no pipe in between your hot and cold water pipe. And you're gonna have a silver conduit or an electrical wire going into the top of your heater.
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.
Do tankless water heaters have to be gas?
Homes without a gas line or propane tank can also enjoy the advantages of on-demand hot water by installing tankless units powered by electricity. These units, which heat water with thick copper rods, are quieter and about a third smaller than gas or propane tankless heaters.
Are tankless water heaters electric?
Tankless water heaters are available in both electric and gas-fired versions.
What is the most common problems with tankless water heaters?
Here are six of the most common problems and maintenance concerns for tankless water heaters:Mineral Buildup.System Overload.Cold Water Sandwich.Air Supply or Exhaust Blockage.Ignition Failure.Flame Failure.
Do tankless water heaters increase electric bill?
You can check if tankless water heaters are actually worth it and if they save you money here. Most households use less than 41 gallons of water per day. 24% – 34% is quite a lot of energy savings....Tankless Water Heater Electricity Usage By Hour.Wattage Of Electric Tankless HeaterCost Per Running Hour30 kW$3,9622 more rows
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.
Which lasts longer gas or electric tankless water heater?
You get a longer life from any type of tankless water heater than with a tank system either way. You typically get at least 10 to 13 years with an electric water heater. The lifespan of a gas tankless water heater on the other hand lasts at a minimum 12 with most lasting 15 to 20 years.
How much does it cost to install a tankless water heater?
The typical range for tankless heater installation is between $3,200 and $6,500, averaging out to around $3,200.
How long do tankless water heaters last?
A standard water heater tank lasts about 8-12 years. A tankless water heater can last as long as 25 years!
Does an electric tankless water heater need to be vented?
No. Unlike gas tankless water heaters and gas traditional tank style water heaters, electric tankless water heaters do not require any venting.
Can an electric tankless water heater run a whole house?
Electric tankless water heaters can be installed in any location within your home with the appropriate hookups. Their compact size frees up valuable space within your home. For gas tankless water heaters you will need to utilize specific venting, which will impact where you can install throughout your home.
Is a tankless water heater better than a regular water heater?
Tankless: Gas and electric tankless water heaters run more efficiently than the conventional water heaters of the same fuel type. We rated the annual energy consumption cost Excellent for a gas model but only Fair for an electric, but both rate Very Good for energy efficiency.
What maintenance is needed on a tankless water heater?
The most complicated and time-consuming tankless water heater maintenance is typically descaling and flushing out the unit. Even with the inline water filter, lime and calcium deposits can build up inside the tankless system. If you have hard water, it's a good idea to descale and flush the unit once a year.
What are pros and cons of tankless water heaters?
Are Tankless Water Heaters Worth It? 10 Pros and ConsPro #1: Instant Hot Water. ... Con #1: Inconsistent Temperatures. ... Pro #2: Longer Lifespan. ... Con #2: Higher Initial Cost. ... Pro #3: Lower Month-to-Month Costs. ... Con #3: Limited Hot Water Supply. ... Pro #4: Space Savings. ... Con #4: Additional Equipment is Often Necessary.More items...•
What size tankless water heater do I need for a family of 4?
What Size Tankless Water Heater Do I Need For A Family Of 2, 3, 4, 5, Or 6?Number Of Family Members:Gas Tankless Heater Size (GPM)Electric Tankless Heater Size (kW)What size tankless water heater do I need for a family of 3?7-9 GPM15-23 kWWhat size tankless water heater do I need for a family of 4?8-10 GPM20-28 kW3 more rows
How does the temperature of water affect the output of a tankless water heater?
Incoming water temperature impacts the output GPM of gas vs electric water heater tankless—the colder the groundwater, the lower the water flow rate.
Why do people prefer electric water heaters over gas water heaters?
Some people prefer purchasing electric vs gas on demand water heater because they are safer.
Why do people prefer tankless electric devices?
Many experts prefer tankless electric devices because of their straightforward designs, uncomplicated installation, less up-front price, and minimal maintenance.
Which is easier to deploy, gas or electric?
Electric appliances are easier and affordable to deploy than gas units. They are smaller in size than gas and propane-fueled heaters.
Is gas or electric good?
Both electric and gas appliances are excellent choices, and both have their own strengths and weaknesses.
Is it hard to operate a gas heater?
Gas models are hard to operate, and you will have to turn the gas on to start your heater. This makes them difficult to use and manage.
Is natural gas cheaper than electricity?
Although natural gas is an inexpensive power type than electricity per BTU of output power, this advantage is dwarfed by the higher energy efficiency, less upfront price, and easier installation of electric devices.
How much hot water does a gas tankless water heater deliver?
A gas tankless water heater can deliver more hot water (over eight GPM) than electrical units.
Why are tankless water heaters not good for older homes?
This is why electric tankless water heaters aren’t a good choice for older homes because you never know if the electrical system will be up to the necessary standards for the unit.
Why is the GPM of a water heater lower?
Colder regions have a lower GPM flow rate than warmer areas. This is because the water coming in is much colder, and the water heater needs to work much harder to produce hot water. In the gas vs electric tankless water heater debate, gas units typically perform better, especially when large amounts of water are needed.
How many GPM does a water heater produce?
Gas and electric water heaters measure their output of hot water in terms of how many gallons per minute (GPM) the unit can produce. For the average family, eight GPM is typically plenty of hot water, but you must consider your family’s specific needs for hot water. Colder regions have a lower GPM flow rate than warmer areas.
How much does a gas water heater cost?
A high-quality gas water heater system can cost you over $1,000. You’ll pay more as you add on features and settings.
What is the efficiency rating of a water heater?
The efficiency rating for water heaters is based on how much hot water the unit produces with a single fuel unit. As the tankless system is more efficient, less fuel is used to produce hot water.
Which is better, gas or electric water heater?
If your household is large with a large demand for hot water, a gas tankless water heater could be better. Several models can deliver high GPM levels of hot water when compared to electric models.
Which is better, a tankless or a water heater?
Tankless Water Heaters. Tankless water heaters are more efficient than traditional water heaters, no matter what type you use. They take up much less space, require less maintenance, and have a longer lifespan.
How long does a tankless water heater last?
Though the gas tankless water heater has an expected lifespan of 20 years, it will require vigilant maintenance to realize it. These devices require annual inspections by a professional, and they are prone to mineral build-up requiring regular manual flushing.
Why do gas heaters have a higher efficiency rating?
Because the hot gasses stay inside the device, the efficiency rating becomes much higher and, in some situations, can rival the electric tankless heater. However, the specialized heat exchange often raises the cost of these devices quite a bit. No matter which type of gas heater you choose to purchase, you can expect a unit that delivers plenty ...
What is a non condensing water heater?
Non-Condensing. Non-condensing heaters are the more traditional type. As the fuel heats the water, it creates high-temperature gasses and requires an exhaust. These gasses often exceed 300 degrees and are very corrosive, so they need vents that can deal with the high temperatures and corrosive gasses.
Why is there no gas in water heaters?
No gasses mean that it’s an all-around safer unit that’s better for the environment. Because you don’t need to be close to a gas line or ventilation shaft, you can install it in many more places, possibly leading to an even more efficient device that heats water faster because it doesn’t need to travel as far.
Is it cheaper to run a gas heater or electric?
In some cases, you can even have hot water when the power goes out. Gas-powered heaters are usually cheaper to operate than electric despite the wild fluctuations in fuel price and the relative stability of electricity.
Can a gas heater produce more hot water?
No matter which type of gas heater you choose to purchase, you can expect a unit that delivers plenty of hot water in an instant. Gaas can produce much more hot water than an electric heater, and large families that use a lot of hot water will benefit from gas heaters as will commercial environments where running out of hot water is not an option.
How much hot water does a tankless water heater use?
If you use less than 41 gallons of hot water per day, a tankless heater is 24%-34% more efficient than a tank-style heater.
Why do you need a tankless water heater?
Tankless water heaters produce an endless supply of hot water, take up less space, have a lower risk of leaking, are safer, and have a significantly longer lifespan on average.
How long can you take a shower with a tankless water heater?
Since tankless water heaters work by heating water from the external source on-demand, you could take a shower for 10 hours (or longer), and the water would be as hot as it would be for a 10-minute shower.
How much more efficient is a tankless water heater?
If you use less than 41 gallons of hot water per day, a tankless heater is 24%-34% more efficient than a tank-style heater.
Why do tank heaters break down?
Also, as I mentioned earlier, tank-style heaters break down over time due to hard water causing the inner lining of the tank to rust and corrode.
What are the risks of tank heaters?
One of the biggest risks with tank-style heaters is, over time, minerals from hard water build-up within the tank which leads to corrosion and eventually leaks.
How many gals does a tank water heater hold?
A tank-style water heater expends energy around the clock to maintain the temperature of a 40 to 50-gallon water supply so that hot water is ready when it’s needed.
How much hot water does a tankless water heater provide?
However, a tankless water heater's output limits the flow rate. Typically, tankless water heaters provide hot water at a rate of 2–5 gallons (7.6–15.2 liters) per minute.
How long does a tankless water heater last?
Most tankless water heaters have a life expectancy of more than 20 years. They also have easily replaceable parts that extend their life by many more years. In contrast, storage water heaters last 10–15 years. Tankless water heaters can avoid the standby heat losses associated with storage water heaters. However, although gas-fired tankless water ...
What is demand type water heater?
Tankless or Demand-Type Water Heaters. Diagram of a tankless water heater. Tankless water heaters, also known as demand-type or instantaneous water heaters, provide hot water only as it is needed. They don't produce the standby energy losses associated with storage water heaters, which can save you money. Here you'll find basic information about ...
How much more energy efficient is a demand water heater?
Advantages and Disadvantages. For homes that use 41 gallons or less of hot water daily, demand water heaters can be 24%–34% more energy efficient than conventional storage tank water heaters. They can be 8%–14% more energy efficient for homes that use a lot of hot water -- around 86 gallons per day. You can achieve even greater energy savings of ...
What are the factors that affect the installation of a demand water heater?
Proper installation depends on many factors. These factors include fuel type, climate, local building code requirements, and safety issues, especially concerning the combustion of gas-fired water heaters.
Can a tankless water heater be used as a storage water heater?
Tankless water heaters can avoid the standby heat losses associated with storage water heaters. However, although gas-fired tankless water heaters tend to have higher flow rates than electric ones, they can waste energy if they have a constantly burning pilot light. This can sometimes offset the elimination of standby energy losses ...
Can you turn off the pilot light on a tankless water heater?
Ask the manufacturer how much gas the pilot light uses for the model you're considering. If you purchase a model that uses a standing pilot light, you can always turn it off when it's not in use to save energy.
What is tankless water heater?
Tankless water heaters are also known as on-demand water heaters. That’s because they consistently deliver hot water to your home, no matter what your consumption needs are. Powered by electricity or gas, a tankless water heater uses high-powered burners to heat water quickly (within minutes) by transferring it through a heat exchanger and then delivering it directly to your faucets or shower without storing it in a tank. Tankless water heaters are usually powered with electricity or gas. We’ll examine both types below:
What kind of fuel does a tankless water heater use?
Similar to a tankless water heater, tank water heaters typically use either natural gas or electricity for their fuel.
How much does an electric water heater cost?
An electric tankless water heater is slightly less expensive than a gas model. On average, an electric water heater costs between $800 to $1,500 to install. The lower price reflects the fact that the installation is much simpler. Despite this, common complaints about electric-powered heaters are slow heating time and higher utility bills.
How much does it cost to install a water heater?
The average installation cost for a water heater is between $825 and $1,600. On average, you can expect to pay about $1,200 for parts and labor. Tankless heaters are much more expensive than their counterparts that heat water in a tank, with average costs between $1,000 to $3,000.
Is a tankless water heater better than a tankless water heater?
When it comes to energy efficiency, the newer tankless water heaters truly are better. Rather than heating a bunch of water that may never get used, tankless heaters only heat the water you actually need, which is a much more efficient process. This leads to decreases in energy bills by as much as 30% over a tank-style water heater.
How much less does a gas water heater cost than an electric water heater?
Gas water heaters cost less to operate than electric water heaters—about 33% less.
Why are gas water heaters less efficient than electric water heaters?
Though gas water heaters burn hotter, they are less efficient than electric water heaters because much of the energy output is wasted through the vent at top. The vent is necessary for discharging toxic gases.
How does an electric water heater work?
An electric water heater is a tank that heats water with high-voltage electric heating rods that run vertically through the tank. Water is heated starting at the center of the tank, radiating outward.
How many gallons of water does a water heater use?
Electric point-of-use water heaters range from two to 20 gallons. Conventional tank electric water heaters begin at 40 gallons and max out at 120 gallons. Most tanks are 30, 40 or 50 gallons.
What is the worst type of electricity?
Electric water heaters span the very best and the very worst types of electricity supplies. At the best, though still rare, is electricity supplied by solar or wind. At the worst is electricity supplied by dirty coal-fired or nuclear power plants.
How long does a gas water heater last?
Gas water heaters usually last from eight to 12 years before they need replacing.
Which is faster, a gas or electric water heater?
Gas water heaters have a faster initial heating rate and faster recovery times than electric water heaters.
