Engineered expressly for the North American residential market, the EZ Series of high-efficiency, condensing tankless water heaters from Noritz America are designed to cut installation time and cost when replacing larger, storage tank-type units. Only the size of a small suitcase, the RUCS75iN is compact, easy-to-install and perfect for indoor locations. This guide applies to storage gas water heaters, instantaneous or tankless gas water heaters, electric resistance water heaters, and electric heat pump water heaters. 2 gpm, residential 9. This score ranges from 0 to 10. A copy is provided with each tankless water heater in the rack system. Our high-efficiency-plus RL models offer Rinnai’s most advanced technology in non-condensing tankless water heaters. The water heat-er must be installed according to the exact instructions in this manual. Tankless 101. Here are some of the most common Rinnai tankless water heater problems you might run into, as well as troubleshooting help: Most Common Rinnai Tankless Water Heater Problems. Only the size of a small suitcase, the natural gas RSC160eN model is compact, easy-to-install and perfect for outdoor locations. 1 selling brand of tankless gas water heaters in North America, announces it has manufactured its first unit in the United States, just eight months after it announced plans to start manufacturing domestically. I have had this system for approx. Consumer financing and rebates are also often available. More Options Available. It is installed outside our house between our two bathrooms. At approximately 6:15 am on a crisp Tuesday morning, Rinnai America Corporation made history in the United States, and all of North America. 2 months and have already seen the benefits of a tankless system in terms of financial savings. Super High Efficiency Plus View Energy Guide. • Install the vent system per local and na-tional codes. Rebates starting at $600 available from energy providers for 66952. RE140iP is the perfect combination of high efficiency, comfort and value in a propane gas tankless water heater from Rinnai. Rinnai products provide peace of mind with warranties that. The front panel should only be removed when ser-vicing/maintaining or replacing internal components. This is very easy to do! Just grab a can of compressed air and spray down the area. Whether you need a residential water heater or commercial water heater, you can trust the #1 selling gas tankless water heating brand in North America. Rinnai. Rheem 13kw Tankless Electric Water Heater RTEX-13. 0 GPM Sensei+ with Smart-Circ Condensing Tankless Hot Water Heater with Built-In Recirculation for Outdoor Installation. These boilers offer efficient heating with a modulating pump for consistent. • Install the vent system per local and na-tional codes. REP160eN is the perfect combination of high efficiency, comfort and value in a natural gas non- condensing tankless water heater from Rinnai. Rinnai’s super high-efficiency models offer sleek design, maximum output and an array of features ideal for the hot water demands of large homes. We have had this Rinnai water heater for a year now so its time for a review. Pair your Rinnai tankless water heater or boiler with our new hydronic air handler system to provide your home. 230V AC 50Hz 1ph. "20% Hydrogen blend ready" Continuous flow water heaters are an advanced varient of traditional multi-point waters. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. You will have to extend the gas line to accommodate your Rinnai tankless water heater in most cases. It provides a continuous supply of hot water at a preset temperature. 00 / each. Rheem offers a complete line of electric heaters that range from small spaces for one or two applications to. Flexibity You can Count On. • DO NOT obstruct combustion air to the appliance. The Rinnai TRS features design details that make installation simple and straightforward. Homeowner Features. +. 46. You can even qualify for energy. This item, the RE199i, is for indoor installation and, therefore, requires venting. With technology that operates only when hot water is needed, super-efficient heating coils, no pilot light and no storage tank to heat and reheat water, you save on energy and utility costs. Federal Rebate click for more info In addition to the federal rebate, you may also be eligible for rebates from your local utility company and state. Free Delivery. Manufacturer. RE180iN. 74 each. us Learn more at rinnai. Ideal for small to medium homes. Noritz uses stainless steel casing on all ASME commercial units, while Rinnai don't. [FEATURES] -Manage: Adjust the temperature for your water heating system with one tap… Rinnai Tankless Water Heater Installation and Operation Manual 7 • Hot water outlet pipes leaving the water heater can be hot to touch. The manufacture date may also be stated after the serial number. The Hubbell Model HX / TX electric tankless water heater contains high-powered heating elements that heat water only when there is a demand for hot water. Safety ehaviors and Practices for the onsumer and Installer Tankless Gas Water Heaters. Add To Cart. Find 7 listings related to Rinnai Tankless Water Heaters in North Richland Hills on YP. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for indoor locations. Please have your full serial number or model number available for product- orHigh Efficiency Plus 9. us 5 Optimized Concentric Venting for Non-Condensing Models Rinnai Tankless Water Heaters were the first to use a unique concentric venting system – featuring an inner pipe for exhaust and an outer pipe for All of the key components in the CU199 are designed for commercial requirements and manufactured by Rinnai, ensuring maximum quality and reliability from the industry leader in commercial tankless water heating solutions. C199eN (REU-KBD3237WDC-N) C199iN (REU-KBD3237FFUDC-N). V65eN is the perfect combination of high efficiency, comfort and value in a natural gas tankless water heater from Rinnai. 4. Silver. Super High Efficiency Plus View Energy Guide. Ideal for small to medium homes or remodels. Water heater accessory. Welcome to ultimate efficiency. Tankless Water Heaters Toggle "Tankless Water Heaters" menu. Peachtree City, Georgia, October 2, 2014 - Rinnai, the number-one selling brand of tankless water heaters in North America, has introduced the first tankless water heater in the industry that allows for both concentric or twin-pipe PVC venting from the same unit. The minimum GPMs is perfect for low demand uses such as shaving, where warm water is needed but not at a high rate! It is the ideal tankless solution for a home. Super High Efficiency 6. 62. Every Rinnai tankless water heater is individually tested for quality before shipping. Reliability They Can Count On. $1,854. These boilers offer efficient heating with a modulating pump for consistent temperature control of water used in the heating system, efficient gas and less electrical consumption. This will allow quick access for maintenance, service, and testing. Ideal for small to medium homes or remodels. Search your zip code in the link below for information about rebate programs that apply to you. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. Rinnai Gas Multi-Point 11i Low NOx Internal Water Heater Revolutionise and go continuous flow with Rinnai high efficiency Low Nox multipoint water heaters. The Rinnai M-Series can deliver whole-home heating and domestic hot water for up to. 367 Reviews. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for outdoor locations. But, for decades prior, they have been selling tankless in Japan and other parts of the world. Serve customers better with the #1 in tankless with more than 100 years of history. For a tankless unit to qualify, it must have a Uniform Energy Factor (UEF) of at least 0. Rinnai has an extensive network of professionals who are experienced in providing you with superior product performance. Boiler Venting & Accessories; Direct Vent Furnace Accessories. Includes pre-installed pump with check valve and air purge valve. 92: 0. Its energy-efficient operation leads to big energy costs savings. Send a comment to your representative in Congress. 41. 95. Best overall. 9. How to decode the Rinnai water heater serial number? Old serial number format. Compare. Save 25% $3,920. 0 GPM at a 35 temperature rise. Super High. Ideal for small to medium homes or remodels, compact, easy-to-install, reliable and perfect for indoor locations. RE140eN is the perfect combination of high efficiency, comfort and value in a natural gas non- condensing tankless water heater from Rinnai. Get the Rinnai RU180iN tankless water heater at Amazon, The Home Depot, or Build with Ferguson. 30 Save $175. Commercial. Super High Efficiency Plus 11 GPM Residential 199,000 BTU Natural Gas Interior Tankless Water Heater. The new Noritz wireless adapter taps you into the smarter side of heating technology. As an exclusive dealer and servicer of Rinnai Tankless Water Heaters, Plumbing Express receives the highest level of Rinnai training at Rinnai Headquarters in Peachtree City, GA. 78. Tankless gas water heaters can have several advantages over traditional tank-style gas water heaters. $1,85474. The Rinnai Hydronic Air Handler System easily integrates with select tankless water heaters or boilers to deliver energy-efficient warmth. 95. Plus, with premium technology, increased energy efficiency, an improved Home Energy Rating System (HERS) Index Score and optimized LEED eligibility, our tankless solutions can increase your home's value. There is no influence from any manufacturers in calculating this score. See full list on homedepot. 13, 2020 /PRNewswire/ -- Rinnai Corporation, manufacturer of the number-one selling brand of tankless gas water heaters in North America. Every Rinnai tankless water heater is individually tested for quality before shipping. Keep small chil- What's the top-selling product within Rinnai Tankless Water Heaters? The top-selling product within Rinnai Tankless Water Heaters is the Rinnai Super High Efficiency Plus 11 GPM Residential 199,000 BTU Natural Gas Interior Tankless Water Heater. The Energy Star-rated EZ98-DV and EZ111-DV (Energy Factor: 0. Tankless is a new tech that is unproven. With technology that operates only when hot water is needed, super-efficient heating coils, no pilot light and no storage tank to heat and reheat water, you save on energy and utility costs. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for outdoor locations. Rinnai tankless water heaters last up to twice as long, have twice the warranty, and save energy as they only heat water when it is needed. RU199IN 199,000 BTU Super High Efficiency Condensing Indoor Tankless Water Heater (Natural Gas) SKU: RU199IN. if. Only the size of Welcome to ultimate efficiency. Rinnai products provide peace of mind with warranties that surpass the. Ideal for small to medium homes or remodels, compact, easy-to-install, reliable and perfect for indoor locations; Rinnai products provide peace of mind with warranties that surpass the competition. Enjoy an endless supply of hot water with the SENSEI™ RSC160iP Super High Efficiency Plus condensing tankless water heater from Rinnai. We never run out. Hot exhaust and vent may cause serious burns. Diect Vent Tankless Wate Heate Installation and Opeation Manual — Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. 4. Ideal for small toWe believe Rinnai® Tankless is simply the best option on the market. 4 GPM at a 35° temperature rise. 92: 0. 5. Our enhanced control•r™ 2. 9/5 stars from 15 reviews. Rinnai non-condensing tankless water heaters last up to twice as long as tanks and have twice the warranty. With technology that operates only when hot water is needed, super-efficient heating coils, no pilot light and no storage tank to heat and reheat water, you save on energy and utility costs. Whether you are washing the dishes, washing your clothes, taking a shower or drawing a hot bath, Rinnai’s tankless water heater technology will supply endless hot water to your lifestyle demands-even if it demands you do them all at once. Rinnai Tankless Water Heater Installation and Operation Manual 7 • Hot water outlet pipes leaving the water heater can be hot to touch. Before deciding if a tankless water heater makes. Would recommend to anyone. Number of Showers: 1-2. We’re the North Richland Hills tankless water heater installation and replacement company you can. us. Rinnai V53DeN Tankless Hot Water Heater, 5. • DO NOT install this water heater above 10,200 ft (3,109 m). While tankless water heaters are the more environmentally friendly option, achieving 91 percent efficiency with non-condensing. The 11 Best Kitchen Sinks of 2023. Consumer financing and rebates are also often available. • DO NOT install this water heater above 10,200 ft (3,109 m). Reliability They Can Count On. The U. If you have the do-it-yourself skills to install a water heater on your own, be sure to consider the cost of any additional tools and materials you may need for the job. So Navien has the edge if you are installing it in 2023 as you might get a tax break when you do your taxes in 2024. Welcome to ultimate efficiency. Endless Comfort & Performance. 1/5 stars from 44 reviews. †For complete information on gas sizing for Rinnai Tankless Water Heaters, consult the Operation and Installation Manual. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. Uniform Energy Factor (UEF): 0. Rinnai RL75IN Tankless Hot Water Heater, 7. This prevents cold water from flowing into the water heater and hot water from coming out during the cleaning process. 4. Rinnai tankless water heaters last up to twice as long, and save energy-heating water only when needed The Rinnai difference Individually tested for quality before shipping, Rinnai makes the vast majority of our key components, unlike our competitors, allowing for better, more consistent quality Super High Efficiency Plus View Energy Guide. It features 199,000 BTUs and hot water delivery with a flow rate that ranges from 0. onnecting gas lines, water lines, valves, and electricity. rinnai tankless gas water heater. Step 4: Address Undersized Gas Systems. the Rinnai Tankless Water Heater temperature settings exceed 160°F (71°C). Now, with Smart-Circ, Rinnai RSC model water heaters learn your water usage patterns to start circulating hot water on your schedule, anticipating your hot water needs for a shorter wait and saving energy during times when you don't. Ideal for small to medium homes or remodels. Select a region. 95. Rinnai tankless water heaters are available with natural gas or propane fuel options and can be installed inside or outside. Improvement in reducing the carbon footprint of its tankless water heaters, boilers and direct-vent wall furnaces. With Rinnai Common Venting, up to eight tankless water heater units share the same vent system. Shop Savings. “The reliability and performance of Rinnai Tankless Water Heaters is unmatched. Call for service when your unit is showing this code. RE160eN is the perfect combination of high efficiency, comfort and value in a natural gas non- condensing tankless water heater from Rinnai. Rinnai tankless water heaters are available with natural gas or propane fuel options and can be installed inside or outside. Noritz manufactures units for hot water production and radiant heating applications while Rinnai doesn't. That’s why more consumers and businesses choose Rinnai over any other tankless brand. Rinnai Tankless Water Heaters are only compatible with natural gas or liquid propane for maximum operating efficiency. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. Add to Cart. Rinnai tankless water heaters are available with natural gas or propane fuel options and can be installed inside or outside. The SENSEI™ SE+ RUR Series is the newest release from Rinnai and the most powerful in BTU output. Tankless water heaters are about the size of a standard piece of carry-on luggage. 5 GPM 130,000 BTU Natural Gas Interior Tankless Water Heater Enjoy an endless supply of hot water with the RUCS65iN, our Super-High Efficiency condensing natural gas tankless water heater from Rinnai. Rinnai fault code 10 – Air. Rinnai® Boilers & Water Heaters. The front panel should only be removed for ser-vice/maintenance or replacing internal components. Ideal for small to medium homes or remodels. Built to commercial-grade standards, Rinnai tankless water heaters are individually tested, backed by the industry's best warranty, and compact enough to fit any space. 0. Uniform Energy Factor (UEF): 0. M. Some tankless models qualify for local rebates. 30 Save $175. For the average family of four, you can’t go wrong with the Rinnai Condensing Tankless Water Heater. 69 ( 15 %) $84. Ideal for small to medium homes or remodels. • Enjoy Endless Hot Water. Best Bang for the Buck. My point is that Rinnai doesn’t have hot water heaters and Rheem has a lot of them. Final Verdict. RE180eP. • DO NOT obstruct combustion air to the. Technology to Improve Your Lifestyle. Dub's is the best. Keep away from the water heater. Standard PVC piping is not recommended. Saves energy : Rinnai offers all of the tankless benefits you’ve come to expect, plus even more energy savings. Only the size of a small suitcase, the natural gas RU160iN model is compact, easy-to-install and perfect for indoor locations. com. The most effective way to receive hot water is by using tankless or on-demand water heaters. We ship our parts to Canada, USA and to all parts of the world. These new Ultra Series condensing tankless water heater models RUC98i and. • Install the vent system per local and na-tional codes. 5/5 stars from 191 reviews. -ft RAM (Rinnai America Manufacturing) Lakes facility in Griffin, Ga. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for outdoor locations. He helps anyone with plumbing, including speaking the truth about tankless. Get free shipping on qualified Rinnai Tankless Gas Water Heaters products or Buy Online Pick Up in Store today in the Plumbing Department. Rinnai Tankless Water Heater Installation and Operation Manual 7 • Hot water outlet pipes leaving the water heater can be hot to touch. This delivers 9. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for outdoor locations. No Gas Supply or Inadequate gas pressure. Places Near North Richland Hills, TX with Rinnai Tankless Water Heaters. Rinnai recommends 60-80 psi for maximum performance. See Low. Call 678-439-9540 today for one of the best tankless installers in Atlanta. Uniform Energy Factor (UEF): 0. • Install the vent system per local and na-tional codes. Clean inlet water supply filter. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. Here are some of the most common Rinnai tankless water heater problems you might run into, as well as troubleshooting help: Most Common Rinnai Tankless Water Heater Problems. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for indoor locations. 5 gallons of water per minute and has the option to connect two units to increase that capacity. Showing 1-12 of 80 results. It may even qualify for rebates in your area for added savings. • Do not touch any electrical switch; do not use any phone in your building. Welcome to ultimate efficiency. $118129. Only the size of a small suitcase, the propane fueled RU180eP model is compact, easy-to-install and perfect for outdoor locations. Dover. Rinnai RL75IP - RL75IP 180,000 BTU, Non-Condensing Indoor Tankless Water Heater (Propane)- <b>Overview</b><br> Rinnai Luxury Series Tankless Water Heaters take hot water performance higher, delivering the most impressive output of our non-condensing line. About Us. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. Compare. 4. Rheem 13kw Tankless Electric Water Heater RTEX-13. 57. ATLANTA (April 1, 2021) – Creating a healthier way of living® is Rinnai’s brand promise, and there’s no better way to uphold it then to. The Tankless Water Heater Code 10 is a diagnostic code that indicates a problem with the unit’s gas valve. Rinnai RUC98iN Ultra Series Indoor Natural Gas Tankless Water Heater, Twin Pipe. • DO NOT install this water heater above 10,200 ft (3,109 m). Discover why millions of families rely on their Rinnai tankless water heater and home heating gas appliances for total home comfort. 5 GPM Residential 180,000 BTU Interior Natural Gas Tankless Water Heater (10) Questions & Answers (37) +5 Hover Image to Zoom $1006. The Tankless Truth is, tankless is a proven technology. Cascade Cables allow up to 24 water heaters to be connected and function. Training in installation of tankless water heaters. Energy provider rebates may be available. Rheem offers a complete line of electric heaters that range from small spaces for one or two applications to. Ideal for small to medium homes or remodels, compact, easy-to-install, reliable and perfect for indoor locations; Rinnai products provide peace of mind with warranties that surpass the competition. Rinnai fault code 02 – No burner operation during freeze protection mode. RE140eP is the perfect combination of high efficiency, comfort and value in a propane gas tankless water heater from Rinnai. Stiebel Eltron Tempra® Plus Whole House Electric Tankless Water Heaters. The Rinnai Hydronic Air Handler System easily integrates with select tankless water heaters or boilers to deliver energy-efficient warmth. 2. Dover, Ohio 44622. 1. 8 Rinnai Tankless Water Heater Installation and Operation Manual • DO NOT operate the water heater with-out the front panel installed. Enjoy an endless supply of hot water with the RUCS75iP, our Super-High Efficiency condensing propane fueled tankless water heater from Rinnai. 4/5 stars from 460 reviews. Tankless Water Heater INTERNAL (INDOOR) MODELS: VE199i (REU-VE2737FFD-US) VE180i (REU-VE2432FFD-US) VE160i (REU-VE2125FFD-US) VE140i (REU. Overall Best Tankless Water Heater—Rinnai RSC199iN Water Heater. Training on Rinnai Tankless Water Heaters is accessible at • Read all instructions in this manual before installing the water heater. Rinnai. , the first—of many non-condensing tankless water heaters—rolled off the line. Select a region. 8 gpm and a heating capacity of 199,000 BTU. The date of manufacture. Plus, diagnostic tools and remote monitoring from local Rinnai experts provide rapid service and peace of mind. 96 saving hundreds of dollar per year in most applications. Wi-Fi Control Module for Rinnai Tankless Water Heaters. Uniform Energy Factor (UEF): 0. Model # RSC199iN SKU # 1001736504. Proud U. If you have any questions or feel that the manual is incomplete contact Rinnai at 1-800-621-9419. Ideal for small to medium homes or remodels. With technology that operates only when hot water is needed, super-efficient heating coils, no pilot light and no storage tank to heat and reheat water, you save on energy and utility costs. You could move the touch pad upstairs if you choose. 5 GPM Natural Gas High Efficiency Indoor Tankless Water Heater: High Efficiency Non-Condensing Smart-Circ 7. The Tankless Truth is, our tankless water heaters last up to two decades while many tanks are. Consumer financing and rebates are also often available. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for outdoor locations; Rinnai products provide peace of mind with. 2 Compliant). 19. Enjoy an endless supply of hot water with the RUCS75iN, our Super-High Efficiency condensing natural gas tankless water heater from Rinnail. 3 bar. Enjoy an endless supply of hot water with the SENSEI™ RSC160eN Super High Efficiency Plus condensing tankless water heater from Rinnai. I do use the running water to rinse dishes for the dishwasher, fill the dog water dish, water. Vent Kit Bundle: High Efficiency Plus 9. 3 bar. Unlike many competitors, Rinnai makes the majority of our key components, allowing for consistent. Rinnai Tankless Water Heater Installation and Operation Manual 7 • Hot water outlet pipes leaving the water heater can be hot to touch. For Rinnai condensing products. At its new 300,000-sq. The Rinnai RSC199iN is powered by natural gas and is powerful enough to run seven fixtures simultaneously, energy-efficiently. 37 Save $125. RE140iN is the perfect combination of high efficiency, comfort and value in a natural gas non- condensing tankless water heater from Rinnai. 4/5 stars from 391 reviews. To winterize your rinnai tankless water heater, start by turning off the power supply and disconnecting the water and gas lines. Rinnai tankless water heaters are available with natural gas or propane fuel options and can be installed inside or outside. • DO NOT install this water heater above 10,200 ft (3,109 m). 80W. RE160iP. At approximately 6:15 am on a crisp Tuesday morning, Rinnai America Corporation made history in the United States, and all of North America. There are two different styles of Rinnai water heater serial numbers. Plus, with premium technology, increased energy efficiency, an improved Home Energy Rating System (HERS) Index Score and optimized LEED eligibility, our tankless solutions can increase your home's value. 95. Welcome to ultimate efficiency. 9 GPM Residential 199,000 BTU Exterior Natural Gas Tankless Water HeaterMake Smart Technology Smarter. Enjoy an endless supply of hot water with this high efficiency non-condensing natural gas tankless water heater from Rinnai. Photo: walmart. _____ Download the SENSEI™ brochure to look inside the vertically integrated components of the new SENSEI with advanced recirculation technology for superior product performance. For assistance, contact your local dealer or distributor, or call Rinnai Customer Care at 1-800-621-9419. He knows all about tankless myths and speaks the Tankless Truths. Individually tested for quality before shipping, Rinnai makes the vast majority of our key components, unlike our competitors, allowing for better, more consistent quality. Rinnai tankless water heaters last up to twice as long as tanks and have twice the warranty length. Lowest Price + 2-Day Shipping In-Stock Items. See Low Price in Cart (83) Model#. Matters. +. RE199iN is the perfect combination of high efficiency, comfort and value in a natural gas non-condensing tankless water heater from Rinnai. Learn how to install and operate the Rinnai N Series tankless water heater, a high-efficiency and eco-friendly model that provides hot water on demand. Definitions of Rinnai Tankless Water Heater Codes. RINNAI I120CN. Add To Cart. (April 23, 2018) – Rinnai America Corporation, manufacturer of the No. Rinnai tankless water heater problems are not that different from problems you might experience with any other brand of water heaters. FREE delivery Mon, Aug 7. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for outdoor locations. Welcome to ultimate efficiency. Find Rinnai Tankless water heaters at Lowe's today. Learn how to use the recirculation with on-demand accessories for your Rinnai water heater. They were able to get everything switched out and replaced within 24 hours. CU199eN is designed for exterior installation, natural gas fuel, is WiFi ready to. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for outdoor locations; Rinnai products provide. Find My Store. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. • Install the vent system per local and na-tional codes. tankless water heater. V75i water heater pdf manual download. Professional installation is an added cost that can vary depending on who you hire, how big the tank is and how complex your system is (i. The Tankless Truth is, our tankless water heaters last up to two decades while many tanks are. Rinnai's super high-efficiency plus condensing outdoor tankless water heater models offer the most advanced technology. $38550. The Rheem RTEX-18 is one of the best value electric tankless water heaters out there, priced at just over $420 at the time of writing. Unsurpassed first-hour delivery and efficient recovery keep pace with the demands of any industry. Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. Rinnai Vent-Free Convectors push heat to the farthest reaches of the room, evenly warming larger spaces and maximizing cost-savings. 82 – all Rinnai condensing tankless water heaters and the V94Xi non-condensing tankless water heater qualify. 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