Hot water heaters use a lot of energy. In fact, they are the second biggest users of energy in your home (behind your space heating and cooling system).
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The average American family spends $600 per year and emits about a ton of CO2 pollution to heat up water that for the most part they won't use. That's because conventional electric water heaters and tankless water heaters aren't very energy efficient.
But fortunately there are ways to reduce that cost dramatically.
In fact, the average homeowner can save $300 per year by switching to a heat pump water heater. And those savings add up. Over 15 years (the typical lifespan of a water heater) the average homeowner can save $4,500. And while that's not as much as you can save switching to a heat pump (for heating and cooling your home) it is more than you can save switching to LED lights.
But choosing a water heater is no easy task. Online information is often inaccurate and confusing.
That's why we created this guide.
In this guide we'll go over everything you need to know in order to pick the best water heater for your home and take advantage of those savings opportunities. We've also written comprehensive guides and reviews for each type of water heater:
But if you don't know anything about water heaters we'd recommend starting with the guide. You can think of it as your hot water heater 101 article.
Depending on where you live you may or may not be limited by what type of hot water heaters you can buy. The two most frequent constraints are:
There are other edge cases, but these are by far the two most common constraints to consider.
As a general rule of thumb, heat pump water heaters are the best option unless you don't have the space for a tank. In that case tankless water heaters are best. We reviewed both the best heat pump (aka hybrid) water heater and the best tankless water heater.
The next thing to consider is how much your hot water heater will cost upfront. This can be broken down into two different categories:
Costs will vary depending on what type of hot water heater you choose to go with, but here are some general rules of thumb that can be helpful in thinking of the value (i.e. cost vs. what you get) for your hot water heater:
In addition to the upfront cost, you'll want to consider how much it will cost to operate your hot water heater over time. There are generally two factors that influence the operating cost:
If you want to understand the exact equation to determine a water heater's energy factor, this is a good guide by the Department of Energy. But if math and acronyms like BTUs scare you, don't worry. Every hot water heater sold must include an estimate of how much it costs to operate each year. This information is usually listed on the label in yellow like the image below.
But keep in mind that these estimates are based on the average cost of energy in the United States (roughly $.12 kWh).
If you live somewhere that energy costs more than the average it will be more. If you live somewhere that energy costs less than the average it will be less.
Below is a map of electricity prices by state in America. If your state is dark purple you should expect to pay more than what is listed on the Energy Star label. If it is yellow, you should expect to pay less.
The next thing you'll want to consider is how much hot water you'll need. There are two factors that influence that:
If you are buying a storage or heat pump (also called a hybrid hot water heater) the size will be in gallons. Whereas if you are buying a tankless hot water heater the size and capacity will be measured in gallons per minute (GPM).
Residential energy usage is one of the biggest causes of global warming. And hot water heaters are the second most energy intensive appliance in your home, consuming roughly 20% of your home's energy. That's why it's important to consider the hot water heater with the lowest carbon footprint.
And whether you think climate change is a hoax (we certainly hope this isn't true) or whether you're an avid environmentalist, many cities and states already regulate hot water heaters due to their energy usage. In fact, cities across the country are banning natural gas hot water heaters in new homes.
Below is a chart that shows the annual emissions based on different types of hot water heaters. As you can see storage tanks are the worst for the environment, followed by electric resistance. The numbers in parentheses represent the energy factor (i.e. the energy efficiency of the unit). So as energy efficiency rises, emissions fall.
The most environmentally-friendly hot water heater is a solar hot water heater followed by a heat pump water heater.
Contact us to discuss your requirements of induction water heater. Our experienced sales team can help you identify the options that best suit your needs.
Due to the high energy usage of hot water heaters, there are many incentives and rebates to encourage consumers to buy the most efficient models. There are five different possible incentives you can receive:
Depending on where you live this could result in $300-1,000 in savings. That's a lot of money considering that the average hot water heater is about $1,500 to install.
But keep in mind, you'll get the best incentives if you opt for the most energy efficient model. Many of the government and utility rebates require that you buy a model with a minimum energy factor of 2.
The last thing to consider when buying a hot water heater is the financing options available. Of course, this part is optional. But there is one type of financing that all homeowners should at least research before making a decision. And that's on-bill financing.
The way on-bill financing works is pretty simple. You tell your utility you want to buy a new (and more energy efficient) hot water heater and they give you the money to pay for it. Then they increase your utility bill to make their money back.
The difference between traditional loans is that it comes with little to no interest. If your hot water heater goes out, this is a good way to get some financial help to make the fix. But even if your hot water heater still works you may be able to save money each month by replacing your unit.
Assuming the energy efficiency upgrade is cheaper than the monthly payments, it's essentially a free way to finance home improvements and cut your emissions dramatically.
Everyone wants to save money. It's especially true when it comes to home appliances. In this article, you'll find out what to look for when you're buying a water heater that will help you get the lowest possible energy bill when it comes to water heating.
The key takeaways from this article are:
First, you'll find out some of the differences between gas and electric water heaters.
A good rule of thumb is that gas models are less costly than electric models on a month-to-month basis. The reduced monthly cost is due to the overall lower price of gas as compared to electricity. These rates vary depending on gas and electricity rates where you live, but we'll give you a quick example.
One test from Consumer Reports found that a gas water heater costs $245 a year to run. If that water heater were electric, you'd end up paying $580 a year for the same amount of output. That's almost a 100% price increase on the same amount of hot water! Take note; if you have a large family and use a lot of hot water, that difference could end up being way more than $235 a year.
Another factor is that comes into play is groundwater temperature. If you live in a cold climate, like Minnesota, you'll end up using a lot more energy (and money) to heat your water. That means that your efficiency rating and energy savings will be even more crucial when it comes to how much money you'll spend in the long run.
Another rule of thumb is this: Tankless heaters will always be more energy-efficient and cost less per month than tank heaters.
Tankless water heaters are, generally speaking, more efficient than tank water heaters. For example, the previously mentioned test from Consumer Reports found that while the gas tank water heater costs $245 a year, the gas tankless water heater costs $195 a year. Efficiency is nice because the costs are less, but the bonus is that the tankless unit can help you conserve natural resources like water and gas. If you get a tankless unit with recirculation, hot water is immediately available from your tap, so you don't have to waste water while waiting for the hot tap to get hot. That means you're going to get more use out of the water and gas that your home uses. This is a case where being environmentally friendly can mean getting some nice financial savings.
Monthly cost-saving on a tankless water heater offsets the fact that they are more expensive to install. But then the cost is offset again by the fact that you might be able to get a significant rebate on tankless heaters. The rebate for a gas tankless heater can be $200 or even more than for a gas tank heater. Because they use less energy, tankless heaters are more environmentally friendly than tank heaters. That's why you can find better rebates on this type of heater from the government and the Energy Star Program. Use this link to find a rebate offered near you.
On that note, in case you didn't already know, here's your sign:
See if your heater qualifies for an available rebate.
If you're lucky and it's available, a rebate is essentially free money that you can get when you buy a new water heater. Think of it like this: Someone comes up to you holding a wad of cash and says, 'Oh man, I've got too much cash. Would you like $150 dollars?' Then you say, 'No thanks!'. That's what going without an available rebate is like.
While your water heater's life span doesn't play directly into the energy bill month to month, it is invaluable to keep in mind. It's important to know your water heater's cost of ownership and monthly costs because it can be a crucial decision-maker when you determine what kind of water heater you buy. When buying a water heater, you need to be aware that it's not something you can buy once and will last forever. Many water heaters only last for a few years. After a while, the lining of the water heater corrodes from the hot water inside it. You need to account for the fact that eventually, you'll need to replace your water heater. The frequency with which you have to replace it depends on what kind of water heater you buy and how well you take care of it.
To make sure you get a water heater that lasts as long as possible, you need to remember three things:
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In truth, this is hard to determine as a one size fits all choice. That said, we can still leave you with some crucial bits of information.
Once again, the key takeaways from this article are:
And of course,
If you're still uncertain or you'd like help choosing a water heater, give us a call! One of our professional water heater experts would be happy to help you choose the best option for you and your family. If you call before 2 pm on a weekday, we can even install a tank heater on the same day.
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