Vaillant Tankless Water Heaters
Explore Vaillant’s technology, innovation and top-rated collections
Introduction
- Brand History
- Vaillant is a German heating technology company founded in 1874, with over 150 years of experience in developing innovative heating and hot water solutions. The company has been a pioneer in condensing boiler technology and has established itself as one of Europe's leading manufacturers of heating systems.
- Reputation
- Vaillant enjoys an excellent reputation for engineering precision, reliability, and innovation in the heating industry. The brand is particularly well-regarded in Europe and is known for producing high-quality, durable products that meet stringent European standards.
- Specialization
- Vaillant specializes in condensing tankless water heaters, combination boilers, and integrated heating systems. They focus heavily on energy-efficient solutions and have particular expertise in condensing technology that maximizes heat recovery from exhaust gases.
Technologies & Innovation
- Proprietary Features
- Vaillant's MAG water heater technology includes their exclusive heat exchanger design with corrosion-resistant materials, advanced modulation capabilities for precise temperature control, and integrated freeze protection systems. Their units feature compact designs optimized for space-saving installations.
- Energy Efficiency
- Vaillant tankless water heaters achieve up to 0.96 Uniform Energy Factor (UEF) ratings through advanced condensing technology. Their modulating gas valves and sophisticated heat exchangers ensure optimal fuel utilization and minimal heat loss during operation.
- Smart Controls
- Vaillant units come equipped with intelligent control systems featuring digital displays, programmable settings, and diagnostic capabilities. Many models are compatible with smart home systems and offer remote monitoring through mobile applications for enhanced user convenience.
- Certifications
- Vaillant products carry ENERGY STAR certification, comply with ANSI Z21.10.3 standards for tankless water heaters, and meet strict NOx emissions requirements. They also hold various European certifications including CE marking and comply with ErP (Energy-related Products) directive requirements.
Best Use Cases
- Residential Use
- Ideal for single-family homes, condominiums, and apartments where space is at a premium. Particularly well-suited for homes with 1-4 bathrooms and moderate to high hot water demand, offering unlimited hot water supply and significant space savings compared to tank systems.
- Commercial Use
- Suitable for light commercial applications such as small offices, restaurants, salons, and retail establishments. Multiple units can be installed in cascade systems for larger commercial hot water demands while maintaining efficiency and redundancy.
- Climate Compatibility
- Designed to perform reliably in various climate conditions with built-in freeze protection and weather-resistant components. Particularly effective in moderate to cold climates where condensing technology can maximize efficiency gains.
- Installation Types
- Versatile installation options including indoor and outdoor models, wall-mounted configurations, and compatibility with existing gas lines. Suitable for both new construction and retrofit applications with flexible venting options.
Why Choose Vaillant?
- Unique Selling Points
- Vaillant's German engineering heritage, advanced condensing technology, compact design, and proven reliability in European markets. Their focus on environmental sustainability and energy efficiency makes them attractive for eco-conscious consumers seeking premium quality solutions.
- Comparative Advantages
- Superior build quality compared to many competitors, advanced heat exchanger technology for maximum efficiency, comprehensive diagnostic systems for easy maintenance, and strong performance in cold weather conditions. Vaillant also offers excellent modulation ratios for consistent comfort.
- Warranty
- Vaillant typically offers comprehensive warranties including 15-year limited warranties on heat exchangers, 5-year warranties on parts, and 2-year labor warranties. Extended warranty options are available, and the company provides strong technical support through authorized dealers and service networks.
Vaillant Best Sellers
| Image | Product Name | SKU | List Price | Low Price | Reviews | Rating | Action |
|---|---|---|---|---|---|---|---|
 | Vaillant VEK 5L Open-outlet Water Heater | 16616242717993934624 | — | $241.17 | 72 | 4.8/5 | View Details |
 | Vaillant Boiling Water Heater Vek 5 L With Buzzer | 13639048753921182099 | — | $339.51 | 72 | 4.8/5 | View Details |
 | vaillant instantaneous water heater 21kW VED E 21/8 | 15120715298993639365 | — | $407.55 | 69 | 4.6/5 | View Details |
 | vaillant instantaneous water heater 21kW VED E 21/8 B | 1556619519839085682 | — | $338.02 | 54 | 4.8/5 | View Details |
 | V94en 199,000 Btu, Non-condensing Outdoor Tankless Water Heater | 2666693005027205651 | — | $899.00 | 19 | 4.8/5 | View Details |
 | vaillant instantaneous water heater 21kW VED E 21/8 E | 12565418533137490524 | — | $764.67 | 16 | 5/5 | View Details |
 | 21/8 P 21kW Water Heater | 17668661076071451869 | — | $598.20 | 16 | 4.6/5 | View Details |
 | Vaillant Instantane Water Heater minived H 3/3 | 11330968491736247252 | — | $203.71 | 4 | 4.5/5 | View Details |
 | Instantan... Vaillant minived H 3/3 N Water Heater | 15992603323620573473 | — | $130.90 | 4 | 4.5/5 | View Details |
 | vaillant Instantaneous water heater 21kW VED E 21/8 C | 18091341544373614101 | — | $367.33 | 4 | 3.8/5 | View Details |
 | Instantaneous water heater 24kW VED E 24/8 E | 15534309180960544813 | — | $820.42 | 3 | 5/5 | View Details |
 | Vaillant 24kW Water Heater | 12065517534542637691 | — | $351.33 | 2 | 5/5 | View Details |
 | vaillant instantaneous water heater 27kW VED E 27/8 E | 12545644563151520810 | — | $857.78 | 1 | 5/5 | View Details |
 | Instantaneous water heater 27kW VED E 27/8 P | 16145481582286909503 | — | $644.79 | 1 | 3/5 | View Details |
 | Vaillant Gas water heater with fan turboMAG 115/1 P | 4951958096948563766 | — | $2,012.31 | /5 | View Details | |
 | V53den Natural Gas Tankless Water Heater - 5.3 Gpm, Outdoor | 12633856180821649432 | — | $938.41 | /5 | View Details | |
 | Vaillant Water Heater | 4559444299461341693 | — | $385.38 | /5 | View Details | |
 | Instantaneous water heater 18kW VED E 18/8 E | 10001157896052408432 | — | $795.79 | /5 | View Details | |
 | V53DeP Tankless Hot Water Heater, 5.3 GPM, Propane, Outdoor Installation Hot-Sell | 2816855225619532275 | — | $602.77 | /5 | View Details | |
 | LP Tankless Water Heater | 9322316211069134354 | — | $1,099.99 | /5 | View Details | |
 | Tankless Natural Gas Water Heater X3 Scale Prevention 199,000 BTU | 13257301793592714387 | — | $2,199.99 | /5 | View Details |
Vaillant 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