So, what are the best Bosch hot water heaters for your residential water heating needs? Let's review the most efficient and high performing tankless and condensing water heaters from the Therm and Greentherm series.
To find out which are the best tankless water heaters from Bosch, we have reviewed most of the single gas units offered by the Bosch manufacturer. We used the following criteria and directions for choosing the best Bosch models:
Once we select the best Bosch hot water heaters, we will review them in detail, see what they have to offer, benefits, how much money they cost, and show the summary of what other users are saying.
We will also review the Bosch heater's specification for every single gas tankless water heater, do they provide enough hot water for a family of 4 and can they support hot tubs and multiple applications.
The Greentherm 9000 series is recommended for homeowners when replacing the traditional hot water tank. It offers top water connections and integrated drain ports, which allows easier installation.
Whether you have a small or large home, there are seven models to choose from, which ensure plenty of hot water for your needs, even for commercial applications.
The 9000 series of tankless water heaters are built as indoor and outdoor models where the indoor include flexible venting for easy and fast installation.
While most models are built to use natural gas, tankless units can be converted to propane utilizing the conversion kit.
The 9900 series comes in three models, having power ranging from 160,000 to 199,000 BTU and capable of reaching up to 8.7 GPM and an energy factor of 0.99. They all utilize a recirculation pump to deliver hot water fast.
The 9800 series consists of four models with the same power as the above 9900 series, but the built-in recirculation pump is unavailable. The Wi-Fi is optional here.
The best one to choose is coming from the premium Greentherm 9900i SE model that utilizes the glass front and integrated Wi-Fi control so it can be controlled using the smartphone (through the app).
Bosch Therm C1210 ES is the gas condensing tankless water heater, which comes with the highest efficiency and performance of all Therm and Greentherm series models.
The condensing technology makes this Bosch hot water heater unique as it increases its efficiency and lowers the emission of greenhouse gases.
One is for sure: the best Bosch hot water heater is usually the most expensive, which also uses the latest technology, materials, and the most advanced features.
Based on the experience in water heating, our recommendation is to go with one that meets the demand, provides flexible installation, and offers modulation for steady work and reduced temperature fluctuation... everything else is extra. If you are budget-oriented, buy a Therm 520 HN; if looking for more gadgets, any Energy Star model is good enough.
For those who prefer the top-of-the-line water heater, which utilizes the condensing technology, heats the water with ultra-high efficiency and low heat loss, is green or environmentally friendly, the above Bosch C1210 ES as the best Bosch hot water heater is a perfect choice.