Ariston-thermo Tankless Water Heaters
Explore Ariston-thermo’s technology, innovation and top-rated collections
Introduction
- Brand History
- Ariston Thermo Group is an Italian multinational company founded in 1930, with over 90 years of experience in thermal comfort solutions. The company has grown to become a global leader in water heating and climate control systems, operating in over 40 countries worldwide.
- Reputation
- Ariston is recognized as a premium European brand known for reliability, innovation, and energy efficiency. The company has built a strong reputation for producing high-quality water heating solutions that combine Italian design excellence with advanced engineering.
- Specialization
- Ariston specializes in comprehensive thermal comfort solutions including tankless water heaters, boilers, heat pumps, and solar thermal systems. Their tankless water heaters are engineered with focus on compact design, energy efficiency, and smart technology integration.
Technologies & Innovation
- Proprietary Features
- Ariston tankless units feature AUTO technology for automatic power modulation, Flame Supervision Device (FSD) for safety, and advanced heat exchangers with copper coils for optimal heat transfer and durability.
- Energy Efficiency
- Models achieve up to 0.95 Uniform Energy Factor (UEF) ratings with condensing technology, modulating burners that adjust from 15,000 to 180,000 BTU/hr, and intelligent temperature control systems that minimize energy waste.
- Smart Controls
- Ariston integrates Wi-Fi connectivity through Ariston NET app, allowing remote monitoring and control, maintenance alerts, energy consumption tracking, and integration with smart home systems for enhanced user convenience.
- Certifications
- Products are certified by major North American standards including ENERGY STAR, CSA, and meet strict NOx emissions requirements. European models carry CE marking and comply with ErP (Energy-related Products) directive.
Best Use Cases
- Residential Use
- Ideal for single-family homes, condominiums, and apartments requiring 1-4 simultaneous hot water applications. Excellent for bathroom and kitchen combinations, with models sized from 150,000 to 199,000 BTU/hr for various household demands.
- Commercial Use
- Suitable for small to medium commercial applications including restaurants, salons, small offices, and retail establishments. Multiple units can be installed in cascade systems for larger commercial hot water demands.
- Climate Compatibility
- Designed to perform efficiently in various climates with freeze protection systems, outdoor installation capabilities with proper venting, and altitude compensation up to 10,000 feet above sea level.
- Installation Types
- Supports both indoor and outdoor installations with flexible venting options including direct vent, power vent, and outdoor models. Compact wall-mounted design saves space and allows installation in tight utility areas.
Why Choose Ariston-thermo?
- Unique Selling Points
- European engineering heritage, compact Italian design, advanced modulation technology, comprehensive smart home integration, and strong focus on both performance and aesthetics with sleek, modern unit appearance.
- Comparative Advantages
- Superior build quality with premium components, advanced diagnostics for easier troubleshooting, excellent customer support network, and competitive pricing compared to other premium European brands while maintaining high performance standards.
- Warranty
- Comprehensive warranty coverage including 12-15 years on heat exchanger, 5-6 years on parts, and 1-2 years on labor depending on model. Extended warranty options available through authorized dealers and professional installation requirements.
Ariston-thermo Best Sellers
| Image | Product Name | SKU | List Price | Low Price | Reviews | Rating | Action |
|---|---|---|---|---|---|---|---|
 | RV Tankless Water Heater | 16251682862356720545 | — | $469.95 | 325 | 4.1/5 | View Details |
 | Ariston Andris Mini Tank Electric Water Heater | 16004758948867967795 | — | $267.74 | 114 | 4.6/5 | View Details |
 | Thermomate Electric Tankless Water Heater | 13999731304049661073 | — | $219.99 | 96 | 4.5/5 | View Details |
 | Eccotemp i12-LP Tankless Water Heater | 15438741416905005403 | — | $449.00 | 96 | 4/5 | View Details |
 | Airthereal Electric Tankless Water Heater | 3478163487928165312 | — | $159.99 | 82 | 4.6/5 | View Details |
 | Ariston GL4S Electric Mini-Tank Water Heater | 12490533943116550135 | — | $249.99 | 71 | 3.7/5 | View Details |
 | Thermomate ET270 Electric Tankless Water Heater | 5388568102928270253 | — | $389.99 | 68 | 4.7/5 | View Details |
 | A.O. Smith Signature Series 240-Volt 14-KW 1.6-GPM Tankless Electric Water Heater | 8765418685588834278 | — | $349.00 | 64 | 2.7/5 | View Details |
 | Ariston BLU EVO R 30/3 EU Vertical Water Heater Boiler System | 17462079314628666443 | — | $213.37 | 63 | 4.5/5 | View Details |
 | American Water Heater Company Commercial Electric Tankless Point of Use Water Heater UPVM-35K | 13690820817021496700 | — | $209.00 | 60 | 4.3/5 | View Details |
 | Thermomate Tankless Electric Water Heater ET060 | 5378695947835073275 | — | $109.99 | 59 | 4.7/5 | View Details |
 | VEVOR Electric Tankless Water Heater JRSRS138KWLEDJ8Z0V4 | 13605137829125385242 | — | $151.04 | 36 | 4.9/5 | View Details |
 | Atmor AT-800-13 13kW/240V Tankless Electric Water Heater | 9659847531290828562 | — | $149.99 | 36 | 3/5 | View Details |
 | Bosch ES2.5 Tronic Electric Mini-Tank Water Heater | 8702274550067643400 | — | $259.67 | 31 | 4.9/5 | View Details |
 | Thermomate Tankless Electric Water Heater et035 | 9069601292769410162 | — | $109.99 | 29 | 4.3/5 | View Details |
 | Thermalux NERC11 11.1 GPM Indoor Tankless Water Heater | 16613433335196842895 | — | $1,250.00 | 28 | 4.1/5 | View Details |
 | Ariston AURES Electric Water Heater | 4697694702851369753 | — | $94.99 | 25 | 3.1/5 | View Details |
 | Thermomate Tankless Electric Water Heater | 5719410941270625393 | — | $189.05 | 24 | 4.8/5 | View Details |
 | Ariston Andris 8 Gallon Point of Use Mini-Tank Electric Water Heater | 9129517717710907002 | — | $219.99 | 19 | 4.5/5 | View Details |
 | ThermoMate Natural Gas Tankless Water Heater | 10199440175496657038 | — | $299.99 | 14 | 4.8/5 | View Details |
 | Camplux 3.18 GPM Indoor Propane Tankless Water Heater with Wall Thimble | 12191904245852560582 | — | $365.49 | 13 | 4.4/5 | View Details |
 | ENVO Atami 18 kW Tankless Electric Water Heater | 5948301504451706465 | — | $349.99 | 12 | 4/5 | View Details |
 | Thermoflow Electric Mini Tankless Water Heater | 15031559642300720420 | — | $94.99 | 11 | 4.3/5 | View Details |
 | Ariston 20 Gallon Point of Use Electric Water Heater | 14550626507874904140 | — | $352.56 | 11 | 3/5 | View Details |
 | Optimal 12 Plus Smart WiFi App Control Electric Tankless Water Heater | 9042890301108621223 | — | $599.00 | 10 | 5/5 | View Details |
 | Ariston Suprema 55 Gallon 5500-Watt Electric Water Heater | 10844995263991670337 | — | $1,886.00 | 10 | 3.7/5 | View Details |
 | Ariston 12 Gallon Point of Use Electric Water Heater | 18340385345653218650 | — | $313.00 | 7 | 3.7/5 | View Details |
 | Ariston Fast Evo Water Clader, 3632390 | 17120137922168278537 | — | $519.79 | 6 | 4.8/5 | View Details |
 | Ariston 40-Gallon 5500W Electric Water Heater | 2469362008475579712 | — | $1,205.67 | 5 | 4/5 | View Details |
 | Ariston 6 Gallon Point of Use Electric Water Heater | 8118368233832022433 | — | $283.87 | 5 | 3.4/5 | View Details |
 | Gas Tankless Water Heater Max 3.6GPM 80,000btu Propane | 14128293105267449170 | — | $299.00 | 3 | 4.7/5 | View Details |
 | Ariston 52 Gallon 5500 Watt Residential Electric Water Heater | 7820319454842121105 | — | $1,285.25 | 3 | 3/5 | View Details |
 | Titan Electric Tankless Water Heater N-120 | 10342711927803476745 | — | $243.00 | 3 | 2.3/5 | View Details |
 | Ariston 115 Gallon Electric Water Heater ARIEC115D3W180 | 11521753727745002788 | — | $3,126.32 | 1 | 5/5 | View Details |
 | Ariston AURES Pro 18kW Electric Tankless Water Heater | 10748415108369202540 | — | $386.35 | /5 | View Details | |
 | Ariston AURES Slim Multi Point-of-Use Electric Tankless Water Heater | 4142757912075701121 | — | $119.99 | /5 | View Details | |
 | ariston WATER Group Fast 14 FI Tankless Water Heater Boiler 60001039 | 16404158648773337900 | — | $95.00 | /5 | View Details | |
 | Ariston Efficient Hot Water Solutions Water Heaters | 7788165895709985620 | — | $2,012.50 | /5 | View Details | |
 | Richmond Tankless Electric Water Heater RMTEX-27 | 8383821805835717418 | — | $499.00 | /5 | View Details | |
 | FURRION LLC Tankless Water Heater 9L | 6016195389771077785 | — | $594.50 | /5 | View Details |
Ariston-thermo Collections
EZ Series
Designed for fast and easy tankless upgrades, featuring top-mounted connections that simplify replacement of traditional tank water heaters.
Released: 2019-05-15
Key Features
- High-efficiency condensing (96% UEF)
- 25-year heat exchanger warranty
NRCR Series
Flagship recirculation line with built-in pump providing instant hot water to every fixture.
Released: 2020-11-01
Key Features
- Dual stainless heat exchangers
- Wi-Fi compatibility
- Intelligent recirculation
NRC Series
Dependable condensing units offering high output and excellent thermal efficiency, up to 9.8 GPM.
Released: 2018-08-20
Key Features
- Compact to heavy-duty models
- Long-lasting dual exchanger
ecoTOUGH Series
Eco-friendly line meeting stricter emissions and efficiency standards, ideal for green installs.
Released: 2021-03-10
Key Features
- Low NOx emissions
- ENERGY STAR certified
ProTOUGH Series
Built for contractors with rugged commercial-grade components and extended warranties.
Released: 2022-01-05
Key Features
- Commercial-grade construction
- Extended warranty options
ValueSolutions Series
Budget-friendly, non-condensing models offering reliable performance without premium price.
Released: 2017-06-12
Key Features
- Lower upfront cost
- Proven Noritz quality
NCC Series
Commercial cascade lineup handling up to 199,900 BTU for large-scale hot water demands.
Released: 2019-09-30
Key Features
- Cascadable for higher capacity
- Robust commercial output
NRCB Series
Combination boiler units delivering both space heating and domestic hot water in one compact package.
Released: 2020-07-22
Key Features
- Space heating + DHW
- High efficiency condensing