With more than 350 subsidiaries across more than 60 different countries, Bosch is among the most reputable multinational engineering companies across the world. In terms of household appliances, Bosch water heaters are well-known and they are all over the world.
The headquarters of Bosch Company is located in Germany. The company was founded towards the end of the 19th century by Robert Bosch in Stuttgart. Bosch offers a wide range of automotive components as well as the core products, electrical drives, from brakes, electronics and the steering systems to the packaging technology, household appliances, and power tools. In this Bosch tankless water heater reviews, you’ll find a deep insight into different types of the Bosch water heaters together with their main features.
The Bosch Thermo Technik Company represents the thermo technology branch of the Bosch Group of companies. Today, the Bosch Thermo Technik company is present in over 50 different countries around the world, which makes it one of the leading providers of energy efficient water heating solutions and heating device internationally. Millions of people are current using Bosch heating devices including water heaters in their homes, offices, RVs and boats.
As a matter of fact, Bosch offers a complete range of several heater products electric heaters, wall-hung boilers and solar thermal systems. With each product that it designs, Bosch always aims at developing a technology which will not only make the consumers’ lives easier while also protecting the environment.
If you’re planning to buy a tankless water heater from Bosch, then there are always plenty of Bosch water heaters to choose from.
Table of Contents
- Top 3 Best Bosch Tankless Water Heater Reviews
- Best Bosch Tankless Water Heaters  – FAQs
- 1. Do you need to have a filter in front of the tankless water heater?
- 2. Will a Bosch tankless heater be good for a shower, bathroom sink, and kitchen sink?
- 3. Can you take a 5-minute shower? How will be the pressure?
- 4. How can you measure the flow rate?
- 5. If a tankless water heater is installed under the bath sink, will it also serve the shower?
- Best Bosch Tankless Water Heater Comparison Chart
Why Choose Bosch Tankless Water Heaters?
There are several reasons why one should opt for the Bosch tankless water heaters over the conventional tanks. For starters, the water heater’s on-demand technology normally allows you to save a lot of energy since the water heater only turns on the moment when you require hot water. Traditional tank water heater models operate 24 hours daily in the continuous cycle of heating as well as re-heating water. Over time, the water heater becomes less efficient since the sediments tend to be building up at the bottom of the water heater’s tank. As a result, the heat doesn’t effectively reach water through the buildup thus leading to high utility bills.
With a Bosch water heater, your utility bills will be drastically reduced. Many of the brand’s models also qualify for the federal tax credit of up to 30 percent. Bosch also eliminates the problem of “cold water sandwich” by supplying unlimited supplies of hot water thanks to the modulating burners technology. The technology also allows a person to precisely control the temperature of the heater.
A Bosch tankless heater doesn’t only save you cash in the day-to-day operations but it’s also a worthy long-term investment. Unlike the traditional tank-type heater that has the maximum lifespan of twelve years, a Bosch tankless heater has been designed to last for over 20 years.
Bosch normally has a line of heaters designed for both commercial and residential consumers. Bosch understands well that homeowners are always looking for a reliable and convenient source of the hot water, paired with utility cost savings and a good warranty. Conversely, Bosch provides the commercial establishment’s high demands, with some heaters designed so as to provide more than 12 gallons each minute.
The reviews that Bosch tankless heaters received have always been generally positive. Several buyers who are good at the DIY jobs normally have no trouble in installing the tankless units by themselves. This helps them save on the installation costs. The heaters only consume power when hot water is required.
Top 3 Best Bosch Tankless Water Heater Reviews
With so many Bosch models to choose from, buying a tankless water heater is always a daunting task. Understanding your home needs and the important considerations enables one to make informed purchasing decisions and select a water heater model that best suits your needs and lifestyle.
Bosch offers a very wide array of varying water heating systems that have been designed for different homesteads. The end purpose of the systems is providing cozy and warm water in a very economical manner and with minimal environmental impact. Here are the Bosch tankless water heater reviews for the top 3 model:
#1 Bosch WH27 Tronic 6000C 26.9 kW Electric Tankless Water Heater
Bosch WH27 Tronic is a compact yet reliable electric tankless water heater. One can enjoy the endless water supply anywhere in your house. The good thing about this water heater is that it heats water instantaneously when required by you eliminating the wait for hot water. It is excellent for smaller dwellings rather than consuming too much space. It works at 97% thermal capacity reducing any grounds of water loss.
It offers a maximum of 3.3 GPM at a 55°F temperature rise. The WH27 Tronic requires a normal 240-volt outlet. Its electrical circuit is 120-amps which is well protected by three 40-amps mini circuit breakers. This tankless water heater has the capacity to deliver hot water to 1-3 major applications at a time. There is a built-in flow sensor that guarantees the constant output temperature across running applications.
- Works “on-demand”.
- Simple and easy installation.
- Ideal for residential and commercial applications.
- Ensure consistent output temperature.
- 97% thermal efficiency.
- 5 years of product warranty.
- Excellent stability and control.
- Can be installed anywhere.
- Element modulating control.
- Lightweight and space saver.
- Can support whole-house applications.
- Solid copper heat exchanger.
- Built-in flow sensor
- The cost of repair is high
Its compact size means that you save the valuable floor space. It is also available in both liquid propane (LP) and natural gas (NG).
#2 Bosch WH17 Electric Tankless Water Heater 17.3 kW 220/240-Volts
Bosch WH17 electric tankless water heater also works “on demand”. It will instantaneously provide hot water whenever and wherever you need it. Bosch WH17 ensures hot water for up to 3 uses at a time. This feature made the WH17 tankless water heater more energy-efficient and compact compared to other similar heaters. You can store this heater anywhere in your home. It doesn’t hold water in the storage tank which saves space, it makes it an ideal tankless water heater for houses and office suites.
There is an electronic flow sensor and element modulation to control the output temperature. You can install the Bosch WH17 outdoors and mounted on a wall as well. Traditional tankless heaters have the tendency of corrosion but this is not the case with this tankless water heater. It is designed to give you 20 years of service. It comes with a 5-year warranty with additional 2 years on other components.
- Works “on demand”.
- Simple and easy installation.
- Minimum water pressure
- Excellent stability and control
- Ensures constant output temperature
- Best for home and office suites
- 97% thermal efficiency
- Polymer encased elements
- Built-in flow sensors
- 5 years warranty
- Long-lasting durability
- An external temperature control knob
- Solid copper heat exchanger
- Requires 2 double poles 40 Amp
#3 Bosch Tronic 3000 US12 Electric Point-of-Use Tankless Water Heater
It is impractical to provide running hot water in a cold water line. The best solution is to have a point-of-use tankless water heater. Bosch 12 kW Tronic 3000 US12 is a source of providing endless hot water in faucets wherever you are using it. This heater has the ability to be used in the home, business settings, utility room, basement wet bars, patio kitchen, garage, and even an RV or boat. It is installed horizontally or floor-mounted at the direct point-of-use.
Bosch Tronic 3000 saves space and provides instant hot water when needed. It only needs a cold-water line connection and doesn’t store any water in the tank. It blends greatly with home décor when installed in a visible location. There is no need for a pressure relief valve as it is 98% energy efficient. There is a thermostatic control for maintaining required temperature levels. It is great as a sole water heating source for a single sink. There is no standby loss for this tankless water heater.
- Endless hot water supply
- Flexible installation
- Overheating protection
- 12 kW hot water output
- 10-150 PSI water pressure
- Easy installation
- Features thermostatic control
- 98% energy efficient
- Space efficient
- 5 years product warranty
- Solid copper heat exchanger
- Long-lasting durability
- Must be mounted lengthwise
- Must be hard-wired to a dedicated circuit
Best Bosch Tankless Water Heaters  – FAQs
1. Do you need to have a filter in front of the tankless water heater?
Yes, it is better to use a whole house filter. It will screen out the impurities like rust in pipes before the water goes through the heater.
2. Will a Bosch tankless heater be good for a shower, bathroom sink, and kitchen sink?
Most Bosch tankless water heaters will work just fine. You might face a reduction in efficiency if you are using it at full capacity in a very cold climate. For most homes, it will work perfectly fine.
3. Can you take a 5-minute shower? How will be the pressure?
You can have a 5 minute or 30-minute shower, followed by your whole family, it will work perfectly. It is a tankless water heater so it will not run out of hot water.
4. How can you measure the flow rate?
There is a simple way to measure the flow rate of your tankless water heater. Fill a container with water and note the time. If it takes 30 seconds to fill 1 gallon of milk bottle, you have a flow rate of 2 GPM.
5. If a tankless water heater is installed under the bath sink, will it also serve the shower?
It can work if you have Bosch WH27 and Bosch WH17 but with some problems. You need to check the amperes and voltages before having a go at it.
For over a century, Bosch has been enjoying a reputation as being a world-class supplier and innovator in the industries of automotive, consumer goods, building as well as industrial technology. In most parts of the world, the revolutionary Bosch’s Thermo technology paved the way for the line of efficient water heating systems.
To sum it up, Bosch Company offers a wide range of water heaters. The heaters come in different sizes and shapes, they are very easy to handle and also install. Furthermore, they are designed to always protect the surrounding environment through the reduction of energy as well as water consumption. These heaters are cost-effective solutions to improve the comfort of any home.
Best Bosch Tankless Water Heater Comparison Chart
Please contact us if you got any queries or any confusions about any kind of heaters for your home.
Hi, This is Luis. Author at “TheHeatersGuide”. I am a graduate in Mechanical Engineering. Currently researching on heating technology. However, I have learned many home heating techniques and still learning the home heating technolgy. And I love to share my research and reviews.
The bosch tankless are a big rip off. Lasted us only 5 years. Would never buy from them again. Navian is the way to go.
Thanks a lot for sharing your valuable experiences John 🙂