Tankless hot water heater gas - The 5 Best Propane Tankless Water Heaters of 2024. Noritz EZ111 EZ Series. Rheem Performance Platinum 9.5 GPM Liquid Propane. Rinnai RU199iP RU Model Series. Rinnai V53DeP V Model Series. Rinnai ...

 
Sep 20, 2023 ... Best overall: Rinnai RU199iN Tankless Water Heater · Best value: Ecosmart ECO 24 Tankless Water Heater · Best electric: Stiebel Eltron Tankless .... Linux openwrt

Gas-powered tankless water heater tends to heat water faster than electric counterparts. So these are more suitable for the colder, southern regions. Also, gas tankless water heaters tend to last 5-7 years longer than electric units. The drawback however with gas models is the higher upfront cost. Gas tankless units can cost twice …About this item . Compact Powerhouse Performance: Switch from bulky traditional tank heaters to the sleek FOGATTI Tankless Water Heater. Enjoy up to 5 …Nov 7, 2019 ... Gas tankless water heaters require a small amount of electric power to operate the ignition system, so they will not deliver hot water during ...6 days ago · Best Whole-House: Rinnai Indoor Gas Tankless Hot Water Heater. Best Propane-Powered: Rinnai Outdoor Gas Tankless Hot Water Heater. Most Efficient: EcoSmart ECO 18 Electric Tankless Water Heater. Best for Small Households: EcoSmart ECO 11 Electric Tankless Water Heater. Best Value: Rheem Tankless Electric Water Heater. There are two ratings to check before you buy any heater: the energy factor (EF), which tells you how efficient it is, and the first-hour recovery (for storage water tank heaters) or flow rate (for tankless). The EF is easy to understand—the higher the number, the more efficient the unit. Interpreting the recovery rate is similar—the higher ...Bradford White’s tankless gas and electric water heaters help you maximize all the advantages of tankless. Your family can enjoy continuous hot water on demand in a convenient, compact design for added flexibility. Never run out of hot water again! A tankless water heater provides continuous hot water on-demand.Helps to avoid carbon emissions. Up to 25% tied to your water heating compared to a standard 40-gallon gas tank model based on DOE testing ...electric tankless hot water heater. rheem tankless electric water heater. 110 volt tankless water heaters. 1-2 showers tankless water heaters. Get free shipping on qualified 1-1/4", 1.660, Formufit PVC Pipe products or Buy Online Pick Up in Store today in the Plumbing Department.In a gas-fired tankless heater a gas burner heats the water. As a result, tankless water heaters deliver a constant supply of hot water. There’s absolutely no need to wait for a storage tank to fill up with enough hot water. Typically, this type of water heater provides hot water at a rate of 2–5 gallons (7.6–15.2 liters) per minute.The national average for tankless water heater installation costs is around $2,800. Depending on the model, the units themselves usually cost between $500 and $2,000, with installation adding another $500–$1,500. Therefore, the overall cost for installation ranges from $1,200–$3,500. However, for large or specialty units, you …Tempra 24 Plus Adv Flow Control and Self-Modulating 24 kW 4.68 GPM Residential Electric Tankless Water Heater. Add to Cart. Compare. More Options Available. Expert Installation Available $ 329. 00. Buy 3 or more $ 296.10 (2291) Model# RETEX-13. Rheem. Performance 13 kW Self-Modulating 2.54 GPM Tankless Electric Water Heater.Propane Gas Tankless Water Heater 3.6 GPM, 80,000 BTU Indoor Installation Instant Hot Water heater. 4.3 out of 5 stars. 117. 200+ bought in past month. ... Rinnai RU160iN Condensing Tankless Hot Water Heater, 9 GPM, Natural Gas, Indoor Installation. 4.6 out of 5 stars. 119. 100+ bought in past month. $1,172.43 $ …Gas Tankless Water Heaters. Gas tankless water heaters can be fueled by propane or natural gas. They are more expensive to purchase and install but have lower operating costs than electric units. Price Range. Propane and natural gas tankless water heaters cost $400 to $2,100 and another $300 to $2,500 for installation.Fuel Type. Natural Gas (28) Propane (28). Location. Indoor (25) Outdoor (21). UEF. 0.90 - 9.99 (36) 0.80 - 0.89 (10) 0.00 - 0.79 (0). Weight. 75+ lbs (0)Dec 2, 2020 · TAKAGI T-H3-DV-N. $1,319 at Amazon $1,640 at Walmart. Among the thriftiest and most energy-efficient tankless water heaters that you can find is this condensing high-efficiency model from Takagi ... Fuel Type. Natural Gas (28) Propane (28). Location. Indoor (25) Outdoor (21). UEF. 0.90 - 9.99 (36) 0.80 - 0.89 (10) 0.00 - 0.79 (0). Weight. 75+ lbs (0)May 19, 2022 · Our residential tankless gas water heaters are ENERGY STAR-certified and the ultra low NOx (ULN) units dramatically reduce greenhouse emissions. 1 Since a tankless only heats hot water when you are using it, you reduce energy waste. A gas water heater is a tank that heats water from a gas-fired burner located at the bottom of the tank. Hot water starts at the bottom and rises upward, where it is drawn off the top by a ...BEST BANG FOR THE BUCK: Sure Comfort 40-Gallon Natural Gas Tank Water Heater. BEST TANKLESS: Rinnai RL75IN High Efficiency Tankless Water Heater. BEST COMBINATION: Rheem Prestige High Efficiency ...Whether you’re working in a new construction and want new tankless water heater installation or you simply need a water heater replacement or water heater accessories, an independent service provider can help. We provide a variety of water heater parts, like water heater pans, waterlines and anode rods, to ensure your project runs smoothly.If you’re considering upgrading your water heating system, you may have come across the option of installing a tankless water heater. As the name suggests, tankless water heaters p...The water heaters at Lowe’s range in price from $159 for a tankless water heater from AquaPower to $5,879.75 for a 100-gallon natural gas water heater from American Water Heater Co... Tankless Water Heaters. Tankless Gas Water Heaters. Review Rating. Please choose a rating. Brand. EZ Tankless. Rinnai. Rheem. Eccotemp. MAREY. + View All. Price. to. $150 - $200. $250 - $300. $300 - $400. Find reliable and affordable Tankless Gas Water Heater options at Camplux. Our Constant Water Heater with a 3.18 GPM flow rate delivers instant hot water ...FOGATTI Natural Gas Tankless Water Heater - Outdoor Installation 5.1 GPM, 120,000 BTU White Instant Hot Water Heater, InstaGas Classic 120S Series 4.1 out of 5 stars 147 1 offer from $579.00Tankless water heaters provide hot water only when it is required saving energy. ... Residential gas tankless water heaters have energy outputs from 120,000 BTU to a high of 199,000 BTU. Install a pressure relief valve and purge valve per the manufacturer’s instructions. Turn on the water supply and check for leaks. Turn on the gas, bleed the line if necessary and check for leaks. After checking for leaks, turn the gas line back off until the installation is complete. 8. Reliance Home Comfort™ is your go-to for efficient water heater rentals. We have everything from on-demand tankless water heaters to traditional models, all ... Tankless Condensing Ultra-Low NOx Indoor 199,000 BTU Natural Gas Water Heater. compare. ★★★★★ ★★★★★. 4.5. (2 reviews) Model: GT15-340-NI Lowe’s Item #: 1055575. Dec 2, 2020 · TAKAGI T-H3-DV-N. $1,319 at Amazon $1,640 at Walmart. Among the thriftiest and most energy-efficient tankless water heaters that you can find is this condensing high-efficiency model from Takagi ... Best Whole-House: Rinnai Indoor Gas Tankless Hot Water Heater; Best Propane-Powered: Rinnai Outdoor Gas Tankless Hot Water Heater; Most Efficient: EcoSmart ECO 18 Electric Tankless Water … Tankless Condensing Ultra-Low NOx Indoor 199,000 BTU Natural Gas Water Heater. compare. ★★★★★ ★★★★★. 4.5. (2 reviews) Model: GT15-340-NI Lowe’s Item #: 1055575. "Risinger Goes Rogue" on tankless water heaters. Here are some tips you need to know about them before you install. Assemble your own kit for flushing out yo...... hot water. Each is engineered with minimal ... gas-fired deionized tankless water heater on the market ... THE WORLD'S FIRST TANKLESS HEAT PUMP WATER HEATER.A tankless water heater will typically last for approximately 20 years. Manufacturers don’t guarantee a life expectancy of over about 10 years. However, with proper maintenance, most tankless water heaters can last 20 years or longer. This article will explain the answer to this question in greater depth.To begin, turn off the power to the water heater by locating the circuit breaker or power switch and flipping it to the “Off” position. This ensures a safe environment in which to perform the ...Rinnai RU160iN Condensing Tankless Hot Water Heater, 9 GPM, Natural Gas, Indoor Installation. 4.6 out of 5 stars. 119. 50+ bought in past month. $1,172.43 $ 1,172. 43. ... Rinnai RSC199iN Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Natural Gas Water Heater, Up to 11 GPM, Indoor Installation, 199,000 …Greentherm 9000 Series. It's time to go tankless with this innovative gas tankless water heater. Space-saving, state-of-the-art tankless design. Ultra efficient condensing technology with UEF up to 0.95. Wi-Fi accessory & App increases functionality. Top water connections for easy tank replacement.A.O. SmithSignature Series 10-GPM 199000-BTU Indoor Natural Gas Tankless Water Heater. 10. • Delivers continuous hot water for up to 3 simultaneous showers and 1 sink when sized appropriately (based on a 0.5 GPM faucet and a 2.5 GPM showerhead in the southern zone) • Operates at a 0.93 Uniform Energy Factor …The UEF is the ratio of energy used by the water heater that is actually turned into hot water for use in the home. Typical large storage tank type water heaters have a UEF between 0.6 and 0.7, while tankless water heaters can go as high as 0.98. This means 98% of your energy goes toward its intended purpose--heating the water.Tankless Water Heater. (Showing 1 – 24 products of 25 products) Sort By. Relevance. Popularity. Price -- Low to High. Price -- High to Low. Newest First. Add to Compare. …gas tankless hot water heater. hot water. water heater. rinnai tankless gas water heater. rinnai tankless gas water. tankless hot water heater. Related Products. High Efficiency Plus 7.5 GPM Residential 180,000 BTU Natural Gas Interior Tankless Water Heater. Welcome to ultimate efficiency. With technology that …0.5 to 1.5 GPM. Kitchen Sink Faucet. 1.0 to 2.2 GPM. Clothes Washer. 1.5 to 3.0 GPM. Choosing an appropriate model of electric tankless water heater for your home or business depends on 4 primary factors: your incoming water temperature. maximum flow rate desired. the desired features.Come visit us at Booth #133 and see the latest Rinnai innovations in tankless water heating, electric heat pump water heaters, as well as residential and commercial boilers. For more information on these and other new products please check out the links below for more information on why more consumers, contractors, and …When it comes to heating water in your home, there are two main options: traditional water heaters and tankless water heaters. While traditional water heaters have been the norm fo...Sep 19, 2013 ... Jim Connors from Rheem discusses the benefits of a gas tankless water heater. To view over 15000 other how-to, DIY, and advice videos on any ...The typical tankless water heater installation cost is between $1,333 and $3,721, with a national average cost of $2,527. Cost factors for installing a tankless water heater include the system ...We will also look into some examples of how costly it is to run 8 kW – 30 kW tankless heaters at 100% heating output: Per hour. On average, $1,06 for a small 8 kW heater and $3,96 for a big 30 kW heater. Per month. Between $18,55 and $69,03 (more in the table below), with an average for a 4 person family of $43,94 … Super High Efficiency Plus 11 GPM Residential 199,000 BTU Natural Gas Interior Tankless Water Heater. Add to Cart. Compare. Best Seller. More Options Available. 6 days ago · Best Whole-House: Rinnai Indoor Gas Tankless Hot Water Heater. Best Propane-Powered: Rinnai Outdoor Gas Tankless Hot Water Heater. Most Efficient: EcoSmart ECO 18 Electric Tankless Water Heater. Best for Small Households: EcoSmart ECO 11 Electric Tankless Water Heater. Best Value: Rheem Tankless Electric Water Heater. Tankless water heaters can range in price from $600 to $1,500. A tankless water heater installation costs between $1,000 and $3,500. Gas. Gas water heaters rely on natural gas or propane to heat ...This tankless gas water heater must be installed in a well-ventilated area. 3. Requires additional purchase of 3-inch diameter exhaust pipe. 4. Not recommended in excess of 2000 feet above sea level. Thanks from FOGATTI . Product guides and documents . User Manual (PDF) Instructions for Use (IFU) (PDF)Feb 7, 2019 ... ... hot, but there must be a better solution. TL;DR. Gas powered tankless water heater takes too long to heat up, looking for a solution that ...Find our gas water heater tankless for comfortable, quick and safe bathing experience, with an efficient, cutting-edge technology for Indonesian families.Oct 19, 2021 · Incoming water temperature impacts the output GPM of gas vs electric water heater tankless—the colder the groundwater, the lower the water flow rate. Gas Tankless Water Heater. Gas heaters can generate up to 11 gallons of warm water. They are an ideal option for large houses that have high hot water demands. Energy Efficiency And Operating Prices The Rheem ECO180DVLN3-1 Indoor Natural Gas Tankless Water Heater can provide up to 8.4 GPM at a 35° temperature rise. The 180,000 BTU Natural Gas Tankless Water Heater is designed to supply continuous hot water for up to 2 to 3 bathrooms at the same time. It heats water only when it's needed and has a 0.82 uniform energy factor.Fuel Type. Natural Gas (28) Propane (28). Location. Indoor (25) Outdoor (21). UEF. 0.90 - 9.99 (36) 0.80 - 0.89 (10) 0.00 - 0.79 (0). Weight. 75+ lbs (0)Best Gas: Rinnai RL75iN Plus Gas Tankless Water Heater » Jump to Review ↓. Best Propane: Rinnai V53DeP Tankless Propane Water Heater » Jump to …If a unit is sized properly, a gas tankless heater can deliver a continuous supply of water at a preset temperature (plus or minus one degree) at a rate of typically 2 gallons to 5 gallons per minute.The Rheem ECO160DVLP3-1 Indoor Liquid Propane Tankless Water Heater can provide up to 7.0 GPM at a 35 temperature rise. The 160,000 BTU Liquid Propane Tankless Water Heater is designed to supply continuous hot water for 1 - 2 bathrooms at the same time. It heats water only when it's needed and has a 0.82 uniform energy factor (UEF).Tankless Non-Condensing. Enjoy the comfort and convenience of continuous hot water. 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. Rheem high efficiency tankless water heaters equals endless hot water to your ...Jun 29, 2022 ... When it comes to gas lines and tankless water heaters, size does matter. We recommend that the gas line size for your tankless water heater be ¾ ... A gas tankless water heater can handle the hot water needs of most households. These usually have 6-9 GPM maximum water flow. For bigger households, look for 10+ GPM heaters with 180,000-199,000 BTU. Horizontal Venting Installation. Horizontal venting can be installed in two ways. First, you can utilize a downward slope to deploy the vent’s adapter, 90-degree elbow, and the stainless steel vent hose. You have to get the vent duct of the right length and also maintain the exhaust outside the home’s sidewall.Propane Gas Tankless Water Heater 3.6 GPM, 80,000 BTU Indoor Installation Instant Hot Water heater. 4.3 out of 5 stars. 117. 200+ bought in past month. ... Rinnai RU160iN Condensing Tankless Hot Water Heater, 9 GPM, Natural Gas, Indoor Installation. 4.6 out of 5 stars. 119. 100+ bought in past month. $1,172.43 $ …Rinnai RSC199iN Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Natural Gas Water Heater, Up to 11 GPM, Indoor Installation, 199,000 BTU, Gray. 44. 100+ bought in past month. $1,86690. Rebates starting at $600 available from energy providers for 66952. FREE delivery Thu, Feb 22.Jun 4, 2021 ... Is a Tankless Water Heater Right for You? A tankless water heater, whether gas or electric, is designed to heat water only on demand. Water ...Can I DIY Install A Tankless Hot Water Heater In My RV? Yes! Many RV tankless water heater manufacturers design them to easily retrofit standard RV water heater compartments and match connection locations. ... Furrion® RV Tankless Gas 60,000 BTU Water Heater. 387 Reviews. Furrion® RV Tankless …Tankless water heaters can run on natural gas, propane, or electricity. Gas-powered tankless water heaters have a higher heating capacity than electric heaters. Most gas heaters supply between 8 and 11 GPM, while electric heaters usually provide 7 GPM at most. As I said above, a high GPM is crucial for big households and colder …Your purchase price will vary depending on the water heater’s features, as well as the type of fuel, but in general, tankless water heaters cost more than conventional water heaters. Consider: Rheem’s 40-gallon natural gas tank water heater costs $709. The same company’s tankless propane water heater (Rheem RTG-84DVP) costs $1,049.Tankless Non-Condensing. Enjoy the comfort and convenience of continuous hot water. 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. Rheem high efficiency tankless water heaters equals endless hot water to your ...Benefits of Solar Water Heaters - The benefits of solar water heaters are numerous. Visit HowStuffWorks to learn all the benefits of solar water heaters. Advertisement The benefits...Homemade Solar Water Heaters - Homemade solar water heaters can help you save money for more important matters. Visit HowStuffWorks to learn all about homemade solar water heaters....Tankless vs. Tank Water Heaters. The average installation cost for a water heater is between $825 and $1,700. On average, you can expect to pay about $1,500 for parts and labor. Tankless heaters ...FOGATTI Natural Gas Tankless Water Heater - Outdoor Installation 5.1 GPM, 120,000 BTU White Instant Hot Water Heater, InstaGas Classic 120S Series 4.1 out of 5 stars 147 1 offer from $579.00electric tankless hot water heater. rheem tankless electric water heater. 110 volt tankless water heaters. 1-2 showers tankless water heaters. Get free shipping on qualified 1-1/4", 1.660, Formufit PVC Pipe products or Buy Online Pick Up in Store today in the Plumbing Department.The Rheem ECO160DVLN-3 Performance Plus High Efficiency Indoor Natural Gas Tankless Water Heater can provide up to 7.0 GPM at a 35° temperature rise. The 160,000 BTU High Efficiency Natural Gas Tankless Water Heater is designed to supply continuous, on demand hot water for 1 to 2 bathrooms at the same time.Provides an endless flow of hot water. There’s no need to suffer through a cold shower if you’re the last one out of bed. Saves an extra closet’s worth of space compared to a gas storage water heater. ... 20 annually, or $300 over its lifetime, on gas bills compared to a conventional gas tankless model. If all residential gas …The 199,900 BTU High Efficiency Natural Gas Tankless Water Heater is designed to supply continuous, on demand hot water for up to 3 bathrooms at the same time. It heats water only when it's needed and has a 0.82 uniform energy factor. This compact tankless water heater may be eligible for local utility rebate programs.About This Product. Hot water on-demand has never been easier. with its heating capacity of 2.4 GPM and a powerful 60,000 BTU output, Furrion Water Heater is capable of reaching hot temperatures within a minute even when the ambient temperature is close to 32ºF. Replacement door sizes available to retrofit existing and competitor models.Below are just a few Noritz tankless water heater reviews from real customers. “This is my 2nd Noritz. I installed my first one back in 2004 in a previous home. Definitely the only way to go! :)”. – Sam B., Beavercreek, OH. “The water heater works great and it’s so nice to be able to completely fill the large Jacuzzi bath tub with hot ...Smarter, versatile, deionized water heating for labs, factories and plants. Industrial environments demand rugged, deionized-water heaters—and this model meets the challenge. Built for tight spaces and tough conditions, the iQ251D is the most compact and only gas-fired deionized tankless water heater on the marketThe UEF is the ratio of energy used by the water heater that is actually turned into hot water for use in the home. Typical large storage tank type water heaters have a UEF between 0.6 and 0.7, while tankless water heaters can go as high as 0.98. This means 98% of your energy goes toward its intended purpose--heating the water.

Provides an endless flow of hot water. There’s no need to suffer through a cold shower if you’re the last one out of bed. Saves an extra closet’s worth of space compared to a gas storage water heater. ... 20 annually, or $300 over its lifetime, on gas bills compared to a conventional gas tankless model. If all residential gas …. Hyundai sonata vs elantra

tankless hot water heater gas

Jan 22, 2024 · BEST BANG FOR THE BUCK: Sure Comfort 40-Gallon Natural Gas Tank Water Heater. BEST TANKLESS: Rinnai RL75IN High Efficiency Tankless Water Heater. BEST COMBINATION: Rheem Prestige High Efficiency ... Continuous hot water for up to 4 showers at once–see Sizing Guide; Built-in recirculation pump saves time, water, and money; Save space w/indoor tankless compact size and wall-mount design; View More DetailsInstalling an electric tankless heater should take about 2-3 hours and cost $90-450 for labor. Installing a gas tankless heater costs more — as much as $1,200 plus an additional $500-1,000 if you need to install a gas line. Carpenter labor (sometimes) — In rare cases installing a tankless heater requires a carpenter to do drywall work.Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation. 609. 300+ bought in past month. $1,38411. List: $1,954.74. Rebates starting at $600 available from energy providers for 66952. FREE delivery Thu, Feb 29.Sep 19, 2013 ... Jim Connors from Rheem discusses the benefits of a gas tankless water heater. To view over 15000 other how-to, DIY, and advice videos on any ...The national average for tankless water heater installation costs is around $2,800. Depending on the model, the units themselves usually cost between $500 and $2,000, with installation adding another $500–$1,500. Therefore, the overall cost for installation ranges from $1,200–$3,500. However, for large or specialty units, you … Whole-home gas tankless water heaters apply the same principle to heat water as standard gas water heaters, but without a storage tank. They save energy by heating water only when needed, eliminating energy lost during standby operation. When a hot water tap is turned on in the home, cold water is drawn into the water heater. A flow sensor ... Tankless water heaters can provide endless hot water on demand for 2 to 3 water points. 4.3 GPM hot water flow, precise temperature control, no water temperature sandwich. Adopt oxygen-free copper water tank, reduce heat loss, high efficiency and durability. Save over 50% of available space compared to tank water heater.Mar 23, 2020 · 1. Propane tankless water heaters don’t have to use indoor air for combustion. Tankless water heaters can be vented in two ways: power-vent or direct-vent. Power-vent units use indoor air for combustion and simply vent the exhaust to the outside. Direct-vent units pull in air from the outside, so they have two vents for intake and exhaust. Advertisement Most human beings much prefer a warm meal to a cold one, especially if they're in cold or wet conditions. Eating cold spaghetti or cold beef stew is definitely no fun...Gas Water Heaters. Our most popular model with proven performance in millions of homes. Our exclusive Defender Safety System ® provides additional protection for safe installation in a basement, utility room or garage. Wide variety of sizes available to meet the needs of your household. Atmospheric Vent Gas Model Numbers: …Heat water only when you use it and save even more with a tankless hot water heater. Tankless offers continuous hot water for multiple tasks and has many ... Navien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. The NPE-2 series offers ultra-high efficiency up to 0.96 UEF to keep your utility bills low, endless hot water, and exclusive ComfortFlow® technology with a built-in recirculation pump and buffer tank. Some of the most reviewed products in Tankless Gas Water Heaters are the Rinnai High Efficiency Plus 7.5 GPM Residential 180,000 BTU Natural Gas Interior Tankless Water Heater with 907 reviews, and the Rheem Performance Platinum 9.5 GPM Natural Gas High Efficiency Indoor Tankless Water Heater with 832 reviews. In short, a family of 5 would need a 10 GPM gas tankless heater or 27 kW electric tankless heater if you live in the northern part of the USA, where the input water has a lower temperature. The tankless heater has to work extra hard to bring the water temperature up to 110˚F or 120˚F. Feb 15, 2024 · Stiebel Eltron DHC Trend Point-of-Use Electric Tankless Water Heater. Rheem 18kw Tankless Electric Water Heater. Rheem 13kw Tankless Electric Water Heater RTEX-13. Eemax 27kW ELECTRIC TANKLESS ... And with a tankless model, the risk of tank leaks and water damage is a thing of the past. Savings when compared to gas storage water heater. By heating water only when you need it, ENERGY STAR certified tankless water heaters save a family of four $95 per year, or $1,800 over its lifetime, on gas bills compared to a standard gas storage model ... .

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