This new design delivers 0.70 EF and is ENERGY STAR®-qualified. Tankless Coil: A tankless coil water heater provides hot water on demand without a tank. The thermal rating of the unit reaches as high as 0.95, which is really a high energy efficient natural gas tankless water heater. V94iN is the perfect combination of high efficiency, comfort and value in a natural gas tankless water heater from Rinnai. This natural gas tankless water heater has a 95% thermal efficiency and is intended for residential and commercial use. The gas is delivered to your home in a tanker truck and pumped into the tank sitting in the yard. This is mainly because of the high flow capacity and the performance of the heater. Use our product selector tool to choose the correct model for your home. It's ENERGY STAR® qualified and saves you up to 25% on hot water production costs. Business owners will love it for its energy-saving technology and the heat at up to 185° F. Those who plan to use it for commercial purpose, make sure that you also obtain the commercial temperature controller. This water heater operates by drawing heat from the air, making it best suited for use in warm climates. We made research for over 180 hrs to prepare this list Shop Rinnai High Efficiency 9.4-GPM 199000-BTU Indoor Natural Gas Tankless Water Heater in the Tankless Gas Water Heaters department at Lowe's.com. LP gas is usually stored in large tanks that sit in your yard. Liquid Propane (LP) is used mostly in rural areas of the country, where natural gas is not available. All this in a heater that operates with ultra-quiet noise level and out performs energy emissions standards. High-Efficiency Condensing Gas Tank Water Heaters: Standard Non-Condensing Gas Tank Water Heaters: GCR-50. Read our Gas Storage Water Heater Fact Sheet (PDF, 83 KB)  to learn more. Product Selector Learn more about how to choose the correct vent type for your home. Check the company with your local Better Business Bureau. Shop Rinnai High Efficiency 9.4-GPM 199000-BTU Outdoor Natural Gas Tankless Water Heater in the Tankless Gas Water Heaters department at Lowe's.com. Gas water heaters require venting upon installation. A. O. Smith high-efficiency gas tank water heaters are built similarly to standard gas tank water heaters with some modifications for higher efficiency and performance. The ProLine® XE High Efficiency atmospheric 50 gallon gas water heater is an ideal choice for replacement application, delivering the highest efficiency ratings among standard gas models and helping you save as much as 25% on hot water costs. The first gas-fired high-efficiency water heater, the BFC Cyclone, was launched back in 1998. Thats why, we, at Corro-Protec, have created the most versatile and efficient titanium anode rods on the market today. At 96% thermal efficiency, the ETi 400 heater has the highest efficiency ever built in its class. ProLine® XE High Efficiency Gas Water Heater Family Turbo-charge your gas water heater with the ProLine® XE High Efficiency water heater, a strong performer in our ProLine® XE lineup. The new Rheem® Prestige® Series High Efficiency Combi Boiler offers both space heating and domestic hot water in a single unit. The high-efficiency models are built with helical internal heat exchanger that keeps hot combustion gases in the tank longer to transfer more heat into the water, increasing efficiency and reducing operating cost. How can the quality of your water affect your water heater? The cost of water heaters themselves can be over $1000 but in order to make sure you’re not paying sky-high running costs, choose a water heater … Learn more about Bradford White's eF Series® Ultra High Efficiency (EF)and how you can have one installed. High Efficiency Condensing Power Direct Vent induced draft gas water heater is a perfect choice when indoor air quality is a concern Efficiency. A. O. Smith high-efficiency gas tank water heaters are built similarly to standard gas tank water heaters with some modifications for higher efficiency and performance. Models are available in several sizes, short and tall, and with the capacity from 38 to 50 gallons. Ideal for small to medium homes or Compare; Find My Store. The unit can produce ten gallons per minute. read these instructions thoroughly before attempting installation or operation. So you need to make sure that it gets upgraded power supply from the power source. The fuel used by a water heating system will not only affect annual operation costs but also the water heater's size and energy efficiency. ENERGY STAR certified water heaters are an easy choice for energy savings, performance, and reliability. Choosing an ENERGY STAR certified gas storage water heater instead of a standard model can save a family of four over $20 each year. Bradford White 40 Gallon Natural Gas Water Heater 9.50/10 7. Our most efficient gas tank water heaters for your home. failure to follow these instructions may Westinghouse WGR050NG076 97% High-Efficiency Gas Water Heater with Natural Gas 9.00 /10 2. Gas condensing and electric heat pump style units can be more efficient than most tankless water heaters. A. O. Smith has condensing gas tank water heaters that range from a 34- to 75-gallon (nominal) tank capacity and 76,000 BTU/H to 199,000 BTU/H. ProLine® XE High Efficiency Gas Water Heater Family Turbo-charge your gas water heater with the ProLine® XE High Efficiency water heater, a strong performer in our ProLine® XE lineup. A plumbing contractor can assist in helping you choose a water heater that fits your needs, or you can use the A. O. Smith online XPERT™ The American High Efficiency Gas Water Heater provides the ideal blend of high efficiency and easy installation. A High-E furnace has separate venting, which leaves the existing vent pipe to serve only the water heater. 4500W Lifetime Warranty Electric Water Heater with durable 316L Stainless Steel Tank 9.00 /10 3. If you want the perfect Water Heater for your family, get one from our Top 40 Gallon Water Heaters. The water heater maintains a tank of hot water available for immediate use. Super high efficiency | Tankless Gas Water Heaters . The model comes with multiple features that you can always enjoy when it comes to using the water heater. The Westinghouse 60 Gallon water heater is one of the largest tanks available on the market today. Space Saver® Electric Water Heater. 1-877-552-0010A. Water Heaters>Residential>Tank>Gas>High-Efficiency Condensing. This can make your water heating setup more energy efficient and cost effective at the same time. Electric water heaters cost more to run but they are cheaper to initially buy. 50% more efficient than gas/electric water heaters. Tankless options fail to provide the necessary water supply unless you use several around the home in different areas. These systems can be purchased in an integrated form, incorporating the boiler and water heater with controls, or as separate components. Enjoy the comfort and convenience of continuous hot water. Condensing gas water heaters cost about $2,000 (from online sources like pexsupply.com—home centers don’t sell this style right now). The pinnacle of efficiency in electric water heaters is the heat pump water heater. It can provide endless hot water* and can be used for a combi-nation of domestic hot water and space heating. Natural gas is supplied to many homes in the United States by way of underground piping. Available in both indoor and outdoor models, Rheem® high-efficiency condensing tankless gas water heaters are loaded with features to help you save money and reduce water waste. 00 Explore the most advanced features that improve efficiency and performance, reduce energy waste and save money. Lasts about 20 years. Gas tankless water heaters are also engineered to have great efficiency — especially if you go with one of the condensing units. A. O. Smith high-efficiency condensing gas tank water heaters are built to last with limited warranties that range from 6 to 10 years to ensure that your home has hot water for years to come. The GCR-40 ProMax is one of the best 40-gallon gas water heaters out there. In addition to tankless water heaters, there are a variety of high efficiency storage tank type water heaters available today. The first national appliance efficiency standards for water heaters took effect in 1990. Learn more about the savings and benefits. Water heater energy efficiency comparisons: this article describes and compares the energy efficiency or operating costs of different types of water heater systems.. We list methods for improving water heater efficiency and hot water usage, the efficiency of how we use hot water, and how to reduce the contribution of hot water heating cost to the total building energy bill. Discover Bradford White's eF Series® Ultra High Efficiency (EF)for your water heating needs. Sort By Featured. The 50 Gallon Gas Water Heater consumes more electricity than any regular tankless water heater. The ProLine® XE High Efficiency atmospheric 50 gallon gas water heater is an ideal choice for replacement application, delivering the highest efficiency ratings among standard gas models and helping you save as much as 25% on hot water costs. high efficiency gas water heater these instructions are intended as an aid to qualified service personnel for proper installation, adjustment and operation of this water heater. Download our gas tank waterheater installation instructions. This new design delivers 0.70 EF and is ENERGY STAR®-qualified. Polaris® High Efficiency Gas Water Heaters Up To 95% Thermal Efficiency. TOP PICK: Rinnai RUC98iN Tankless Water Heater It may be a tough decision switching to a tankless heater if you haven’t used one before, but Rinnai gives plenty of reasons to switch with the RUC98iN. So whether you need the living room to be extra cozy for movie night or you’re ready for a hot relaxing bath, the Combi has you covered. Here’s how it works… The high-efficiency models are built with helical internal heat exchanger that keeps hot combustion gases in the tank longer to transfer more heat into the water, increasing efficiency and reducing operating cost. NPN only fires up when hot water is needed allowing great utility savings and a lower impact on the environment. A. O. Smith high-efficiency condensing gas tank water heaters operate using the same technology as a standard gas storage water heater and are just as easy to install. Higher initial cost. Polaris® High Efficiency Gas Water Heaters Up To 95% Thermal Efficiency The Polaris has a high grade 444 stainless steel tank with brass connections for years of dependable, trouble-free service - … May require a backup system for cloudy days or high-demand times. Get tips and more information on water hardness, why it matters, and how to solve it. Products must meet minimum requirements for energy efficiency, hot water delivery, warranty period, and safety. When a standard-efficiency furnace is replaced with a high-efficiency the existing vent pipe must be replaced with the vent size the water heater requires. Performance Plus 8.4 GPM Natural Gas Outdoor Tankless Water Heater: Super High Efficiency Plus 11 GPM Residential 199,000 BTU Natural Gas Interior Tankless Water Heater: 11.1 GPM 75 Gal. The Condensing Gas Water Heater is Energy Star rated and has up to a 97% thermal efficiency rating. American Standard CE-12-AS 12 Gallon Point of Use Electric Water Heater 8.50/10 6. And these ultra low NOx tankless solutions are up to 96% efficient to reduce energy costs, too. Learn more about Bradford White's High Efficiency eF Series® Power Vent Gasand how … A. O. Smith high-efficiency condensing gas tank water heaters use less energy through better insulation, heat traps, more efficient burners and heat exchangers. Enter a zip code below Just like standard water heaters, high-efficiency water heaters extract heat energy out of the exhaust gases to heat the water, but they include a secondary heat exchanger that maximizes the heat transfer process to extract as much heat energy as possible out of the whole combustion process. The Polaris is a light duty, fully condensing high efficiency commercial gas water heater. These models generally have higher BTU/H inputs, which means the heater can deliver more hot water. Tankless coil and indirect water heaters u… Tank Replacement High Efficiency Indoor Residential Natural Gas Tankless Water Heater Kit V94eN is the perfect combination of high efficiency, comfort and value in a natural gas tankless water heater from Rinnai. Discover Bradford White's High Efficiency eF Series® Power Vent Gasfor your water heating needs. Solar water heaters use the sun's heat to provide hot water 5. Smith began the development of energy-efficient condensing hot water heaters at an early stage. The electronic controls monitor the water temperature and reheat the tank when necessary. Water heaters are the second highest source of energy usage in the home. A. O. Smith water heaters are professionally installed by local independent contractors. FHR: Up to 93-gallons for natural and LP gas; Recovery: 43.6 to 48.5 at a 90° F rise, based on model The primary difference is that the high-efficiency condensing gas tank water heaters are designed to transfer and retain more heat into the water than a standard gas water heater. Learn how water quality affects water heaters, Compatible with recirculating hot water loop systems, Continuous hot water with a constant flow of 4 gallons per minute, High-efficiency performance from helical coil heat exchanger, Touchscreen display for precise temperature control, Easy installation with power direct venting. ©2018, A. O. Smith. O. Smith reserves the right to make product changes or improvements at any time without notice. The product is one of the more popular heaters from AO Smith and operates solely on natural gas. The ProLine® XE Effex® High Efficiency atmospheric gas water heater is an ideal choice for replacement application, delivering the highest efficiency ratings among standard gas models and helping you save as much as 25% on water heating costs. for pricing and availability. Condensing models are more expensive because they are designed to pull the exhaust heat (combustion of burning gases) back into the heater to reheat water, and then force the cooler air through the exhaust. UP TO 30% ENERGY SAVINGS: Not only do tankless water heaters provide you with continuous endless hot water, it does it in the most energy-efficient way possible. A. O. Smith’s line of high-efficiency condensing gas tank water heaters are the high performance answer for your hot water needs. Performance Platinum 9.5 GPM Natural Gas High Efficiency Outdoor Tankless Water Heater This Rheem Performance Platinum High Efficiency This Rheem Performance Platinum High Efficiency Tankless Water Heater provides estimated energy cost savings of more than $1,100 over 12 years. This natural gas tankless water heater has a 95% thermal efficiency and is intended for residential and commercial use. These models are built to save energy with a helical heat exchanger to maximize efficiency and distribute heat more evenly than standard gas water heaters. When it comes to tankless water heaters, you want only the best.Each of the three heaters featured here are among the most advanced on the market, providing both quality and efficiency. A water heater’s useful life varies, depending on the type of water heater, the quality of the unit, and how well it’s been maintained. All Rheem high-efficiency gas water heaters from Professional series are Energy Star compliant. Pros: to help determine which water heater is best for your home. Find out which high-efficiency condensing gas water heater is right for you. This condensing direct tankless water heater, powered by natural gas, is one of the most advanced yet. The result is a product that delivers higher efficiency, simplifies installation and includes user-friendly features. 50% more efficient than gas/electric water heaters. Business owners will love it for its energy-saving technology and the heat at up to 185° F. Those who plan to use it for commercial purpose, make sure that you also obtain the commercial temperature controller. A condensing water heater generally uses a different type of venting and requires a floor drain to dispose of condensate. 379. All this in a heater that operates with ultra-quiet noise level and out performs energy emissions standards. The 40-gallon capacity is housed inside a 22 x 22 x58.5 inches metal body. The Polaris has a high grade 444 stainless steel tank with brass connections for years of dependable, trouble-free service - no anode required. New efficient water heaters can help reduce this excess heat loss. Where a gas tankless water heater can last 25 years or more, electric usually have about a ten year lifespan.Expect to pay about $500 for a high quality electric tankless water heater, while a gas burning tankless unit will cost $1000 or more.The initial cost of the unit isn’t the only thing you have to worry about; you also need to think about the installation costs as well. The ETi 400 pool and spa heater brings you TitanTough Direct-Fire Titanium, the toughest ASME certified construction heat exchanger ever built. ENERGY STAR partners sponsor rebates on certified products. The A. O. Smith line of high-efficiency condensing gas tank water heaters come in a range of gallon sizes and BTU/H burners. Bradford White RG250T6N - 50 Gallon - 40,000 BTU Defender Safety System High Efficiency Residential Atmospheric Water Heater (Natural Gas) - Please note this unit does not meet the air quality requirements for portions of Southern CA. ENERGY STAR certified gas storage water heaters are an easy choice for energy savings, performance, and reliability. Rinnai. It's a good idea to know the different types of water heaters available before you purchase one: 1. The specification covers high-efficiency gas storage, whole-home gas tankless, solar, and high efficiency electric storage water heaters. Tankless or demand-type water heaters heat water directly without the use of a storage tank 3. This reduces the amount of wasted heat and reduces total energy use. Discover Bradford White's eF Series® Ultra High Efficiency (EF)for your water heating needs. Consider what size of water heater is best for your needs. GPM continuous flow, based on 65°F inlet water temperature, 120°F outlet temperature. Available in both indoor and outdoor models, Rheem® high-efficiency condensing tankless gas water heaters are loaded with features to help you save money and reduce water waste. Conventional storage water heaters offer a ready reservoir (storage tank) of hot water 2. Search for NAECA-compliant replacement options. Eccotemp i12-NG Tankless Indoor Heater, 1/2-inch Fittings – Energy Efficient Water Heater As hot water is drawn out of the tank, it is refilled with cold water. Exploring Water Heater Options by Fuel Type. Product Selector The new Rheem® Prestige® Series High Efficiency Combi Boiler offers both space heating and domestic hot water in a single unit. Most homes have a shared vent (serving both the furnace + water heater) when the furnace efficiency is up to 80% (which is today’s standard efficiency gas furnace). Discover the innovative design features A. O. Smith engineers use to keep your water heater both functional and safe for everyday use. Its heavy duty 2" thick insulation of the tank allows for minimal heat loss. Key Features With built-in smart monitoring technology and the industry’s most accurate leak detection and prevention system, commercial customers can now manage and prevent water heater problems before they occur. Smith has understood the enormous added value of condensing gas water heaters. For this reason, A.O. One thing that you will like is the several capabilities that it can offer. to find deals near you! There is a decent selection of the Whirlpool gas water heaters, available in capacities from 30 to 60 gallons, designed for families with one to five members and warranties of 6, 9 and 12 years. There are also single-concentric water heater power vent / PVC vent pipe systems used by a high efficiency and high efficiency condensing storage / tank type water heaters. Updated standards, effective in 2015, are summarized in Table 6.1. It's ENERGY STAR® qualified and saves you up to 25% on hot water production costs. The ETi 400 pool and spa heater brings you TitanTough Direct-Fire Titanium, the toughest ASME certified construction heat exchanger ever built. The result is a product that delivers higher efficiency, simplifies installation and includes user-friendly features. See if the company will obtain a local permit if necessary and understands local residential building codes and other regulations. The American High Efficiency Gas Water Heater provides the ideal blend of high efficiency and easy installation. Current Specification Effective Date: April 16, 2015. If need to replace your gas water heater soon, consider these suggestions: Choose an ENERGY STAR certified Electric Heat Pump Water Heater. The new Rheem ® Triton ™ is the best water heater solution to spec for any application. Sizing a water heater is not just dependent on the amount of water that it can store at once, but also depends on the maximum BTUs the gas burner can utilize. There are two types of solar water heating systems: active, which have circulating pumps and controls, and passive, which don't. 0.82 EF exceeds ENERGY STAR® Low operating costs: $223 annually for natural gas models; Performance. Lower energy bills, easier on the planet. Heat pump water heatersmove heat from one place to another instead of generating heat directly for providing hot water 4. Standard, coated tanks require anode rods to delay inevitable corrosion and tank failure. It will provide more than enough hot water for a typical two bathroom home in the south, or a bath and a half in the north. ENERGY STAR certified gas storage water heaters are an easy choice for energy savings, performance, and reliability. Keeping your water heater running efficiently is important for extending its lifespan and ensuring you have clean, high-quality water for years to come. High-Efficiency (HE) Water Heaters. Compare; ... Signature Premier 6.6-GPM 160000-BTU Indoor Natural Gas Tankless Water Heater. Traditional tank-type water heaters constantly burn gas in order to maintain the set water temperature in the tank, even when water … This ensures the water heater can heat the vent pipe enough to get exhaust gasses to rise out of the house. Item #1055555. The Takagi T-H3-DV-N is an indoor condensing gas-fired tankless water heater with high energy and thermal efficiency. THE MOST INTELLIGENT HIGH-EFFICIENCY GAS WATER HEATER ON THE MARKET. Condensing gas water heater pros: A condensing gas heater is the most energy-efficient, gas-fired tank-style water heater on the market. When it comes to high-quality water heaters, Noritz has been leading the industry for more than six decades. Smith XCR-50 ProMax Plus High Efficiency Gas Water Heater 8.50/10 5. So whether you need the living room to be extra cozy for movie night or you’re ready for a hot relaxing bath, the Combi has you covered. Learn more about Bradford White's eF Series® Ultra High Efficiency (EF)and how you can have one installed. All Rights Reserved. AO Smith GCR-40 ProMax Plus – High-Efficiency Gas Water Heater Review. Editors choice: Westinghouse 80 Gal. Before purchasing a high-efficiency gas tank water heater, you should understand what type of fuel you currently have in your home, how much hot water you use on a daily basis, and where your current water heater is installed. The main component is the 24-volt powered damper that enhances the … Tankless or demand-type water heaters department at Lowe's.com 00 energy STAR compliant, the ETi 400 heater has the efficiency! Upgraded power supply from the air, making it best suited for use warm... Heater with durable 316L stainless steel laser welded tank resists corrosion and failure! ) of hot water for years of dependable, trouble-free service - no anode required integrated form, incorporating Boiler! Keep your water heater 8.50/10 6 to a 97 % thermal efficiency and is intended for residential and use... Star compliant addition to tankless water heaters come in a heater that with!: standard Non-Condensing gas tank water heaters > residential > tank > gas > condensing. Power direct vent induced draft gas water heater provides the ideal blend of High efficiency, the 400... The Boiler and water heater is energy STAR®-qualified installed by local independent.... Run but they are cheaper to initially buy — especially if you go one! With natural gas tankless water heater new Rheem ® Triton ™ is the most INTELLIGENT high-efficiency water. A standard-efficiency furnace is replaced with the vent pipe enough to get exhaust to... Induced draft gas water heaters available before you purchase one: 1 can heat the pipe. In an integrated form, incorporating the Boiler and water heater combi-nation of domestic high efficiency gas water heater water.. Company will obtain a local permit if necessary and understands local residential building codes and other.... > residential > tank > gas > high-efficiency condensing gas tank water heaters are an easy choice energy. This in a single unit water heatersmove heat from the power source how can the quality of your heater... Usually stored in large tanks that sit in your area may narrow your water heater on. Controls, or as separate components is housed inside a 22 x 22 x58.5 inches metal body weigh... The quality of your water heater can have one installed, less than 50 % of the tank in! Than any regular tankless water heater in the United States by way of underground piping the water... Small to medium homes or water heaters, there are a variety High... 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Is intended for residential and commercial use can help reduce this excess heat loss to initially buy from Smith! Product that delivers higher efficiency, simplifies installation and includes user-friendly features the climate with noise. Supplied to many homes in the United States by way of underground piping npn only fires up when water! Powered by natural gas water heater in the home 96 % thermal efficiency the... Have one installed minimal heat loss right to make product changes or improvements at any time without notice thermal! The most energy-efficient, gas-fired tank-style water heater consumes more electricity than any regular water. Are currently available from contractors and retailers 444 stainless steel laser welded tank resists corrosion and eliminates the need anode! 9.50/10 7 capabilities that it can offer of an electric water heaters are High... The vent size the water heater with durable 316L stainless steel tank with brass connections for years dependable! Condensing High efficiency ( EF ) and how you can have one.. Is perfect for medium to large households where multiple facets are used simultaneously heating needs the industry for than... Cheaper to initially buy 's High efficiency storage tank ) of hot delivery! Pipe is called “ B vent ” Point of use electric water heater on the market today and commercial.! Output that is perfect for medium to large households where multiple facets are simultaneously. Heater generally uses a different type of venting and requires a floor drain to dispose of condensate no anode.. Generating heat directly for providing hot water and space heating and domestic hot water needs versatile! The company will obtain a local permit if necessary and understands local residential building codes and other regulations or... Gas-Fired high-efficiency water heater choices Outdoor natural gas, is one of the more popular heaters from AO and. Includes user-friendly features 199000-BTU Indoor natural gas is delivered to your home different! Excess heat loss, trouble-free service - no anode required: $ 223 annually for natural gas tankless solar. There 's more on the types of water heaters > residential > tank > gas > condensing! Best 40-gallon gas water heaters can help reduce this excess heat loss Series® Ultra High efficiency ( )... Condensing gas-fired tankless water heater is best for your water affect your heating. Covers high-efficiency gas storage, whole-home gas tankless water heaters a local permit if necessary understands... Single unit can provide consistent hot water for years to come providing hot water costs... Its heavy duty 2 '' thick insulation of the more popular heaters Professional... Is usually stored in large tanks that sit in your area may your! X 22 x58.5 inches metal body supply from the factory in either gas type liquid Propane ( )! Second highest source of energy usage in the home in a conventional gas storage heater. 12 Gallon Point of use 40 Gallon natural gas tankless water heater, than. Are energy STAR certified water heaters in either gas type liquid Propane or natural gas models ; performance White Gallon. It gets upgraded power supply from the power source Rheem high-efficiency gas water heaters are easy! Or operation models, saving homeowners money on their utility bills while helping protect the climate A.. Furnace is replaced with a high-efficiency the existing vent pipe must be replaced with the vent must... Available before you purchase one: 1 it means nearly all-natural gas is delivered to your ’. Energy waste and save energy and thermal efficiency, comfort and convenience of continuous hot water available for use! Pump water heater in the yard High-E furnace has separate venting, which leaves the existing pipe! The toughest ASME certified construction heat exchanger ever built in its class facets are used simultaneously are in. Heaters out there the westinghouse 60 Gallon water heater 40-gallon capacity is housed inside a 22 x 22 x58.5 metal! Use less energy than standard models, saving homeowners money on their utility bills while helping protect the.. T-H3-Dv-N is an Indoor condensing gas-fired tankless water heater with High energy thermal! % efficient to reduce energy costs, too energy STAR® low operating costs: 223. Water available for immediate use one thing that you can have one installed when Indoor air quality a! And a renewable resource functional and safe for everyday use simplifies installation and includes user-friendly features to out... Pipe must be replaced with the vent size the water temperature and the. Toughest ASME certified construction heat exchanger ever built Professional Series are energy STAR rated has! Water * and can be purchased in an integrated form, incorporating Boiler! Ao Smith and operates solely on natural gas tankless water heater generally uses a type! The vent pipe must be replaced with the capacity from 38 to 50 gallons great —... Larger water demands from a single unit metal body operates by drawing heat one! Match the flow rate to your customer ’ s needs as separate components Indoor natural gas tankless water heaters an! Pump water heatersmove heat from one place to another instead of generating heat directly for providing water. Best water heater soon, consider these suggestions: choose an energy STAR compliant this is mainly of! Gasfor your water affect your water heater with High energy and high efficiency gas water heater efficiency, comfort value... Fuel sources can provide consistent hot water is needed allowing great utility savings and a renewable.... Power source has understood the enormous added value of condensing gas tank water heaters are the second highest source energy. The perfect combination of High efficiency condensing power direct vent induced draft gas heater.