This helps owners save money on bills, and also reduces carbon footprint. Note: If you want to keep your monthly heating costs as low as possible, keep your heat pump water heater in “Economy Mode”. So as electricity and gas costs continue to rise, these more efficient options attract many homeowners. A tankless heater saves about 30 to 50 percent in energy costs over a conventional gas heater (minimum EF of.82 vs..54 for conventional). A tankless water heater’s flow rate determines how much water the unit can provide at one time. Heat Pump vs. Propane Furnace, both of these devices are commonly compared when you want something that can be used for heating your home. The estimated amount of energy used yearly (BTUs or watts), An Energy Star logo (if the water heater meets. All Rights Reserved. These slimmer setups operate by drawing water in through a heating element when either a faucet or an appliance is turned on. And for good reason. I’m vote Hybrid/Heat pump style hot water heaters, especially in warm humid climates. These units use gas to heat only the water you need at any given moment. You agree that BobVila.com may process your data in the manner described by our Privacy Policy. The pump removes heat from the air outside the home and transfers it inside as a means of heating. Nearly all houses have electricity, and many have access to both gas and electricity. Solar water heating systems include storage tanks and solar collectors. Ductless heat pumps will continue to be the strongest option … My wife and I just bought a house that needs renovation which includes replacing the heat pump. When it comes to energy efficiency let us look into how each type works.The gas heater produces approximately 800w of heat from 1 kw of gas. Cost Less Than Heat Pump to Purchase - Depending upon the size of your pool, a gas heater will set you back about half as much cash as a heat pump. At Lowe’s, a 50-gallon heat pump water heater goes for around $1,100, while its older, conventional cousin the electric water heater can be purchased for closer to $300. Neither fuel type promises the best efficiency; rather, manufacturers have developed highly efficient subcategories of water heaters for each type of power source. This is due to the way that the heaters operate. The cost of a water heater varies “depending mainly on how big, efficient, and high quality your water heater is,” O’Brian says. However, if saving money (and energy) is more important to you, a hybrid heat pump is probably the best choice. (You can find these ratings on the unit’s description on the retailer’s or manufacturer’s website.). And it always takes less energy to move heat than create it. They segment it into three proline tires. Copyright © 2021 George Brazil Plumbing & Electrical. Cost of operation, efficiency, and performance should also play a role in your decision. BTU measures the amount of energy needed to heat one pound of water by one degree Fahrenheit. Instant gas hot water system price ranges are only about $735 to $1575, depending on the flow rate and star rating, so much less expensive than hot water heat pump. A heat pump uses a refrigerant to transfer heat from other sources, such as the outside air, into the home. And, I’ve talked a great deal about furnaces as well, i.e. Rheem vs. Ao Smiths Water heater: 1. Because they heat water as you use it, they can be up to 35 percent more energy efficient than a traditional tank-type water heater. Hot water heat pump system prices range from around $3300 for a ≈160L to $4,000 for a ≈315L. For both gas and electric, tank water heaters last an average of 10 to 13 years, and tankless units last up to 20 years or longer. While both types are quite similar, there are some differences between the two in terms of options and efficiencies. Gas heat pumps differ from electric heat pumps in these ways: They don’t use refrigerants like electric heat pumps. Don't Overlook This One Key Factor, The Best Non-Electric Heaters for Cozy Warmth, The Best Tankless Gas Water Heater for Your Home. Heat pump water heaters are more energy efficient because they move heat while gas water heaters create heat via combustion. While gas hot water heaters cost less to run due to the lower cost of natural gas, electric heaters are actually more efficient. Condensing water heaters are more expensive than similar non-condensing units. Considering the users’ requirement the famous brand A.O Smith has produced a couple of models that are available in the market now! For example, most hybrid heat pump units have a “vacation” mode that reduces operating costs when no one is at home. The average for electric heat pump water heaters is 12 to 15 years. An enthusiastic do-it-yourselfer with basic electrical knowledge can usually replace an electric water heater and save on installation costs (typically an extra $350 to $450, depending on where you live—different areas of the country will bring different costs). Thanks for the comparison info on the Heat Pump Water Heater vs. the Tankless Water Heaters. You can read more about selecting the right size for a tankless water heater on SupplyHouse.com. Well, it really depends on what’s most important to you: energy efficiency and saving money in the long run? The more BTUs, the faster the unit will heat water. The best way to determine the right water heater system for you is to chat with a professional. Because of its combustion, gas produces heat more quickly than an electric heating element. The following guide will discuss current water heater technology and break down some key considerations so you can choose the type of water heater best suited to your needs. The recovery rate of a water heater refers to the time it takes a water heater to reheat its entire supply of hot water. On the flip side, it usually costs less to operate a gas water heater because, in many areas of the country, the cost of natural gas is lower than the cost of electricity. Once the tank has been depleted you could be waiting for up to 8 hours until it can recover and provide a full tank of hot water again. Or comfort? It simply can’t heat a home in harsh winter weather. But why does a heat pump water heater save you more money in the long run? The Federal Trade Commission (FTC) requires every new conventional water heater to have a bright yellow and black Energy Guide label that states the appliance’s energy factor as well as the following information: If you’re shopping online, you won’t be able to view the Energy Guide label, but reputable retailers like SupplyHouse.com offer all the technical details about the models they sell, so you’ll still have the information you need to make an informed choice. Instead, tankless water heaters are rated for size by their “flow rate,” measured in gallons per minute (GPM). To move the heat, heat pumps work like a refrigerator in reverse. “Depending on where you live, it might make sense to pick one over the other,” O’Brian reasons. If you’ve had the same hot water heater for longer than 10 years—the standard lifespan—it’s smart to consider replacing the appliance before it quits performing and puts you in a tough position. “This just isn’t a job a typical homeowner is equipped to handle—I would recommend calling a pro for the installation,” O’Brian says. Replacing a gas water heater, which requires disconnecting and reconnecting a gas line, is another story entirely. If you are weighing up electricity or gas for your hot water heating, there are three main systems in New Zealand: electric hot water cylinders, gas continuous flow, or heat pump water heaters. Let’s say your family is drawing hot water from a 40 gallon tank. The research says it’s true. One of the biggest advantages of ductless heat pump installation is that ductless heat pumps can use electricity instead of gas. I’m used to the traditional furnace / central AC systems. You can see why when you compare the overall “life-cycle” costs of various water heater systems using this chart: Note: While these figures are from 2012 you can still expect similar results from hybrid and gas water heaters available today.Source: ACCEE. For comparison’s sake, let’s look at the average BTU/hour input of both systems: A hybrid heat pumps water heater’s low BTU input means that it would have a hard time keeping up if your household is accustomed to drawing large volumes of hot water at once (for example, running the dishwasher and washing machine while showering). It is not energy efficient as it has a COP between 0.80 and 0.85.Heat pump heaters produce an equal amount of 1kW of heat from 1kW of electricity. The higher the EF number, the more efficient the water heater. If a homeowner already has a gas water heater, he or she can expect to pay $400 to $550 for a plumber to remove the old unit and install the new one, no matter whether it’s a tank or tankless model. “Typically, the higher the cost, the better the unit will run.” You will, however, spend more up front for a gas hot water heater, such as the AO Smith 50-Gallon Proline Gas Water Heater, than you’ll spend for a similar-size electric hot water heater, such as the AO Smith 50-Gallon Proline Electric Water Heater (both available from SupplyHouse). Electric water heaters (particularly electric heat pump water heaters) can have higher EF ratings than gas water heaters. An electric heater uses nearly all the energy it receives converting it into hot water, so you have less waste. Condensing water heaters capture and recirculate what would otherwise be wasted energy in order to increase the units’ overall efficiency. Condensing water heaters have higher first-hour ratings and recovery rates than non-condensing models. Both gas and electric water heaters are rated by “input,” a measurement of the amount of gas or electricity that’s used per hour to heat the water in the tank. There … Expert advice from Bob Vila, the most trusted name in home improvement, home remodeling, home repair, and DIY. So a tankless water heater heater will still cost less to run. Well, although heat pump water heaters often cost more upfront, they provide lower monthly heating costs because they require relatively little energy to operate. On the other hand, a gas water heater could recover a depleted 40 gallon tank in less than an hour. Maintain Water Temperature in Any Weather - Gas heaters are not dependent upon outside temperature in order to produce heat for your pool. Its facts and opinions are those of BobVila.com. Disclosure: BobVila.com participates in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for publishers to earn fees by linking to Amazon.com and affiliated sites. Gas vs Electric Heat - Which do I Choose? Although heaters have a lower upfront cost, they require the cost of propane or natural gas which can exceed the run costs than that of a heat pump. The best one for your household will depend on how much hot water you use, space requirements, your existing system, and whether or not you can get reticulated gas. A gas water heater provides a higher level of comfort because it has a faster recovery rate. Glenda Taylor, AO Smith’s 50-Gallon Proline Residential Electric Water Heater, Rinnai 160,000 BTU Condensing Tankless Water Heater, AO Smith 50-Gallon Proline Gas Water Heater, AO Smith 50-Gallon Proline Electric Water Heater, Energy Star requirements for water heaters, AO Smith 50-Gallon Power Vent Gas Water Heater, Stiebel Eltron 58-Gallon Accelera 220 Water Heater, AO Smith 50-Gallon Voltex Hybrid Heat Pump Water Heater, Rinnai’s 180,000 BTU Non-Condensing Water Heater, selecting the right size for a tankless water heater on SupplyHouse.com, AO Smith 50-Gallon Power Vent Water Heater, Bradford White 40-Gallon Energy Saver Water Heater, Replacing Your Water Heater? If you take the efficiency of these units as simply the overall energy cost savings of operating, and not how much you’d have to recoup on your investment, which system, tankless or H.P. Gas (Conventional) Boilers; Heat Pumps. Hybrid Hot Water Heater Versus Tankless. Still have questions on your next water heater purchase? These savings are somewhat offset by the higher purchasing … Now let’s take a closer look at both of these factors. You see, the recovery rate of a water heater is based on its BTU (British Thermal Unit) input. According to Energy.gov, “an electric heat pump water heater might have lower energy costs because of its higher efficiency than a gas-fired conventional storage water heater, even though local natural gas costs might be lower than the electricity rates.”. A gas or electric water heater’s energy factor (EF) is a measurement that compares the amount of hot water the heater produces per day to the amount of fuel it consumes. Heat Pumps Vs. Gas Heaters. Average input ratings for a gas water heater range from around 30,000 to 180,000 BTUs, depending on size. Gas and propane of A.O Smith vs. Rhyeem: Gas heaters are widely used for its superb functionality and outstanding service. And it always takes less energy to move heat than create it. This article has been brought to you by SupplyHouse.com. For rural dwellers, who generally don’t have access to natural gas, an electric hot water heater may not be their only choice. While a water heater’s price tag is important, it shouldn’t be your only deciding factor. While the efficiency of gas and electric models tends to be fairly similar, especially when you’re looking at models of the same manufacturer and size, certain types of electric-powered models—including heat pump and hybrid heat pump units, described below—have the efficiency advantage. If comfort is more important, a gas water heater is your best option since it has a higher “recovery rate”. Just contact us today and we’ll be happy to walk you through your options. Unlike standard (non-condensing) gas water heaters, which route hot water vapor through a flue and vent it out of the house, condensing units, such as the AO Smith 50-Gallon Power Vent Gas Water Heater, collect and recycle the water vapor. Water heater would you recommend? Because the electricity is used to move heat from one place to another instead of converting that electricity directly into heat (as with electric-resistance water heating), the energy yield per unit of electricity input is much greater. If you have only electricity, however, the choice is simple: You’ll need to choose an electric water heater, such as AO Smith’s 50-Gallon Proline Residential Electric Water Heater (available from SupplyHouse). A heat pump costs a little more than a gas furnace (around $8,000 vs. $5,000, after rebates), but it is vastly more energy-efficient. Before you start shopping for a new water heater, however, you need to know which power source it will use: gas or electric. However, this doesn’t mean that gas heaters are as sustainable. The new trend is hybrid hot water heaters that combine tankless technology with a tank. Depending on whether propane or natural gas is used and the location of your pool, cost can range from about $3.00 to $9.00 per hour to heat your pool. Using a buffer tank we can set the heat pump to perform at the minimum design temperature and hold that temperature with in the buffer tanks. For example, many gas heaters are rated at 5.8 or 5.9 Stars out of a maximum possible 6 Star rating. As opposed to gas or propane, heat pumps use electricity to heat water. Unfortunately, a heat pump only works when the outside temperature is above freezing. In fact, while a gas furnace is always less than 100% efficient (newer models are usually 92–95%), a heat pump can achieve efficiencies of 300–400% (i.e. Heat pump units, such as the Stiebel Eltron 58-Gallon Accelera 220 Water Heater (available from SupplyHouse), are pricier than non-heat-pump models (they can run $800 to $2,500 more than a standard electric model), but they are the most efficient water heaters on the market today. Depending on the model, you could save up to 80 percent on hot water costs by choosing a hybrid heat pump over a standard water heater. As seen in the chart, the emissions from gas heaters are nearly equivalent to those from heat pumps (about 1.6 tonnes each). “They are limited on how much hot water can be pumped out at once, so size the appliance according to how much hot water you’ll need,” O’Brian advises, adding, “but you will never run out.” Note that, because they don’t store hot water, recovery and first-hour ratings (see below) don’t apply. That is why before you should opt for either, make it a habit to check the features. This mode prevents the water heater from automatically switching to electric resistance heating during times of high hot water demand. I haven’t ever shared a side-by-side comparison of the two, though. If you’re interested in saving money in the long run, a hybrid heat pump water heater is the better option. Tankless water heaters, also known as “on-demand” or “point-of-use (POU)” water heaters, come in both gas- and electric-powered options. Therefore, they can be two to three times more energy efficient than conventional electric resistance water heaters. Like electric heat pumps, they’re more efficient than furnaces in temperate climates. Gas is cheaper than electricity in most cases, which makes furnaces more cost-effective than electric heat pumps in areas that experience colder temperatures. It does not use a fuel to create heat and so is much more efficient that other options, including natural gas heaters. A gas heater must vent the spent gas, which also takes some of the heat with it. That price is higher with conventional electric and gas systems, lower with solar hot water and heat pumps. Instead of creating heat through burning fuel, heat pumps capture heat from the surrounding air, then transfer that heat to your swimming water. Note: If you want to keep your monthly heating costs as low as possible, … “Heat pumps also have heating elements like conventional water heaters that turn on if the unit can’t generate enough hot water on its own,” says Banta. Look for a water heater’s EF rating either on its box or in the literature that accompanies the appliance. “In the long term, your monthly bills are what will hurt you.”. “I’ve been reading your articles on heating and cooling with a heat pump vs. AC with great interest. Heat pump water heaters are more energy efficient because they move heat while gas water heaters create heat via combustion. Of course, there are pros and cons to these units: The pinnacle of efficiency in electric water heaters is the heat pump water heater. the backbone of most HVAC systems. Water heating currently accounts for as much as 50% of a South African household’s electricity use – these are options that will save you the most money. Tankless Water Heater Pros: Nothing beats a tankless heater for putting out lots of hot water—it never runs out.