--- product_id: 533929421 title: "Electric Tankless Water Heater, 27kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 3 Showers, Evening Tide series" brand: "airthereal" price: "18308961₫" currency: VND in_stock: true reviews_count: 8 category: "Airthereal" url: https://www.desertcart.vn/products/533929421-electric-tankless-water-heater-27kw-240volts-endless-on-demand-hot store_origin: VN region: Vietnam --- # 27kW high power output Self-modulating energy saver Wall-mounted, space-saving design Electric Tankless Water Heater, 27kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 3 Showers, Evening Tide series **Brand:** airthereal **Price:** 18308961₫ **Availability:** ✅ In Stock ## Summary > 🔥 Instant Heat, Infinite Comfort — Upgrade Your Shower Game! ## Quick Answers - **What is this?** Electric Tankless Water Heater, 27kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 3 Showers, Evening Tide series by airthereal - **How much does it cost?** 18308961₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/533929421-electric-tankless-water-heater-27kw-240volts-endless-on-demand-hot) ## Best For - airthereal enthusiasts ## Why This Product - Trusted airthereal brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Powerhouse:** Uses 90% less space than traditional tank heaters—perfect for modern living. - • **Sleek & User-Friendly:** LED display and instant hot water combine style with convenience. - • **Safety-First Technology:** Equipped with dry combustion, overheat, and leakage protections for peace of mind. - • **Smart Energy Efficiency:** Self-modulates to cut water heating energy use by up to 50%. - • **Endless Hot Water, Zero Wait:** Never run out of hot water, even with 3 simultaneous showers. ## Overview The Airthereal Electric Tankless Water Heater (27kW, 240V) delivers endless on-demand hot water with a compact, wall-mounted design that saves 90% space. Its self-modulating technology reduces energy consumption by up to 50%, while advanced safety features ensure reliable, worry-free operation. Ideal for households needing simultaneous hot water for up to 3 showers, this sleek unit combines efficiency, safety, and modern convenience. ## Description Slide to find more Enjoy Instant Hot Water Tankless Electric Water Heater Visit the Store Tankless Electric Water Heater Visit the Store Living in a world hyper-focused on wellness, we're always searching for tips, tricks, and hacks to improve our lives and make us feel good. Airthereal Tankless Electric Water Heater provides endless on-demand hot water indoors while saving space, time, money, and allowing you to reduce your overall energy and water usage. Living in a world hyper-focused on wellness, we're always searching for tips, tricks, and hacks to improve our lives and make us feel good. Airthereal Tankless Electric Water Heater provides endless on-demand hot water indoors while saving space, time, money, and allowing you to reduce your overall energy and water usage. Water Purification Visit the Store Water Purification Air Purification Visit the Store Air Purification ## Features - ☼Endless Hot Water: Imagine being the last one in your family to take a shower before heading out for the day. You turn on the faucet and the water is freezing cold. With the Airthereal Electric Tankless Water Heater, you'll have endless hot water on demand with no preheating required. No more worrying about running out of hot water in the tank or experiencing temperature fluctuations in the middle of your shower. - ☼Save Space: This wall-mounted water heater is perfect for saving space. It uses 90% less space than a traditional hot water heater with a tank, which means you can use the extra space for other things. - ☼Save Energy: The self-modulating temperature technology only heats up water when you need it, which means you won't be wasting energy by storing hot water in a tank. You can save up to 50% on water heating energy compared to a typical tank water heater. - ☼Safe To Use: Safety is always a top priority with Airthereal. With high temp protection, dry heating protection, and electrical leakage protection you can rest easily knowing you have safe, on-demand hot water. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion. - ☼Important Note: In order to install the 27kW Electric Tankless Water Heater you'll need access to 240 voltage, 3x 40A Double Pole Circuit Breaker and 3x 8AWG/2 Wires. Please make sure to check your breaker panel to confirm that it meets these specifications before installing. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BXKHYD2R | | Best Sellers Rank | #98,102 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #111 in Water Heaters | | Brand | AIRTHEREAL | | Brand Name | AIRTHEREAL | | Capacity | 240 Gallons | | Color | Black | | Customer Reviews | 4.1 out of 5 stars 879 Reviews | | Efficiency | High | | Flow Rate | 0.48 Gallons Per Minute | | Heat Output | 27 Kilowatts | | Included Components | 1x 27kW Water Heater, 1x User Manual | | Is Electric | Yes | | Item Depth | Shallow | | Item Dimensions W x H | 3.43"W x 12.2"H | | Item Type Name | 27kW Electric Tankless Water Heater | | Item Weight | 19 Pounds | | Manufacturer | Airthereal | | Manufacturer Part Number | EVT-27K | | Material Type | Stainless Steel | | Maximum Pressure | 108.78 Pound per Square Inch | | Model Number | EVT-27K | | Mount Type | Wall | | Power Source | Corded Electric | | Product Dimensions | 3.43"W x 12.2"H | | Special Feature | Dry Combustion Protection, High Temperature Protection, Instant Hot Water, LED Display, Overheat Protection Special Feature Dry Combustion Protection, High Temperature Protection, Instant Hot Water, LED Display, Overheat Protection See more | | Special Features | Dry Combustion Protection, High Temperature Protection, Instant Hot Water, LED Display, Overheat Protection | | Style Name | Indoor Installation | | UPC | 816621025229 | | Voltage | 240 Volts | | Wattage | 27000 watts | ## Product Details - **Brand:** AIRTHEREAL - **Capacity:** 240 Gallons - **Power Source:** Corded Electric - **Product Dimensions:** 3.43"W x 12.2"H - **Special Feature:** Dry Combustion Protection, High Temperature Protection, Instant Hot Water, LED Display, Overheat Protection ## Images ![Electric Tankless Water Heater, 27kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 3 Showers, Evening Tide series - Image 1](https://m.media-amazon.com/images/I/61h075vSzhL.jpg) ![Electric Tankless Water Heater, 27kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 3 Showers, Evening Tide series - Image 2](https://m.media-amazon.com/images/I/71MktJocjGL.jpg) ![Electric Tankless Water Heater, 27kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 3 Showers, Evening Tide series - Image 3](https://m.media-amazon.com/images/I/71WZXNzd4BL.jpg) ![Electric Tankless Water Heater, 27kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 3 Showers, Evening Tide series - Image 4](https://m.media-amazon.com/images/I/71R5mamEb9L.jpg) ![Electric Tankless Water Heater, 27kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 3 Showers, Evening Tide series - Image 5](https://m.media-amazon.com/images/I/71DFatQAQ6L.jpg) ## Available Options This product comes in different **Model** options. ## Questions & Answers **Q: Can this go in any house? Like will any hookup fit it?** A: Greetings from Airthereal. Please confirm that your breaker panel can meet the required specifications for your unit. 27k: 240V Outlet, 3x 40A Double Pole; Circuit Breaker, 3x 8AWG/2 Wires **Q: What is the max GPM of 27kw water heater?** A: Greetings from Airthereal. Depends on what the inlet tep. is and the outlet tep. you set. Set the outlet tep. as 108℉ : When inlet tep. is about 41℉, GPM will be 2.5, fit for Shower+Faucet use. When inlet tep. is about 50℉, GPM will be 2.9, fit for 2 Showers. When inlet tep. is about 59℉, GPM will be 3.9, fit for 2 Showers+Faucet. When inlet tep. is about 68℉, GPM will be 4.3, fit for 2 Showers+2Faucets. When inlet tep. is about 77℉, GPM will be 5.5, fit for 3 Showers. **Q: These units draw twice as much elec. than the water heater, family of 8...2 showers...will this be more expensive to use than the the water heater?** A: Save Energy: The self-modulating temperature technology only heats up water when you need it, which means you won't be wasting energy by storing hot water in a tank. You can save up to 50% on water heating energy compared to a typical tank water heater. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by E***Y on January 19, 2022* ### ⭐⭐⭐⭐⭐ Review *by G***T on March 3, 2026* ### ⭐ Review *by A***B on April 23, 2024* ## Frequently Bought Together - Airthereal Electric Tankless Water Heater, 27kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 3 Showers, Evening Tide series - HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass - Waterdrop AP431 AP430SS Whole House Scale Inhibitor Filter, Heater Softener System, Prevent Scale Build Up On Hot Water Heaters, Pipes and Boilers --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/533929421-electric-tankless-water-heater-27kw-240volts-endless-on-demand-hot](https://www.desertcart.vn/products/533929421-electric-tankless-water-heater-27kw-240volts-endless-on-demand-hot) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-18*