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Fothermo - Photovoltaic Water Heaters for Off-Grid Hot Water Supply
Fothermo Hot Water Solutions at Offgridtec
Fothermo combines photovoltaics with modern hot water systems. Whether you’re looking for a PV water heater, a hybrid water heater, a solar system with a water heater, or the right accessories—at Offgridtec, you’ll find a selection of Fothermo products for garden sheds, RVs, tiny houses, mountain cabins, and self-sufficient energy solutions.
Hot Water through the Power of the Sun
Fothermo is your expert in photovoltaic boilers that help you generate hot water cost-effectively, independently, and sustainably.
Thanks to simple Plug&Play solutions, no electrician installation is necessary, as all products operate on low-voltage protection. Since the products do not feed electricity into the grid, registration is usually not required.
Get started now and save hundreds of kilograms of CO2 – for a sustainable and eco-friendly hot water supply!
Hybrid-Water-Heaters
Replace traditional electric water boilers with the innovative 30L and 80L hybrid water heaters and generate hot water primarily through your PV modules. If the sun isn't sufficient, they automatically switch to 1.500W via 230V grid power – an efficient solution for modern energy needs.
Caravan-Water-Boiler
Fothermo is reinventing hot water supply in motorhomes. Intelligent and energy-efficient, the Caravan-Water-Boiler use the energy from your PV modules or a battery to significantly increase comfort during your next trip. Treat yourself to the best on the road!
Switching Device
The Switching Gear feeds excess energy from the photovoltaic boiler directly into your home's power grid – simple, efficient, and environmentally friendly. With an output of up to 1600 Wp and an intelligent control system, it is the ideal solution for sustainable energy management at home.
Photovoltaic Heating Element
The Photovoltaic Heating Rod makes it easy to retrofit your hot water boiler with solar technology. Simply screw it in and benefit from maximum efficiency with up to 2000 Wp. With an innovative MPP tracker and simple installation, it is the green choice for an environmentally friendly hot water supply.
All-in-One Sets
In addition to all Fothermo boiler variants, we also offer compatible complete sets with matching solar modules in our range. Upon request, we can also create customized all-in-one-systems tailored exactly to your individual needs.
Inquire now!
Fothermo Photovoltaic Water Boiler 80 Liters - Water Heater
Shipped in 2-5 days
Shipped in 2-5 days
Fothermo photovoltaic heating element for hot water boilers
Shipped in 2-5 days
Shipped in 2-5 days
2.25 kWp solar system with 200 L Fothermo boiler for hot water production
Shipped in 4-8 days
Shipped in 4-8 days
900W solar system with 80L Fothermo hybrid boiler for hot water production
Shipped in 10-14 Werktage
Shipped in 10-14 Werktage
2.7 kWp solar system with 300 L Fothermo boiler for hot water production
Shipped in 4-8 days
Shipped in 4-8 days
Fothermo Hybrid Photovoltaic Boiler 80 liters
Shipped in 2-5 days
Shipped in 2-5 days
Fothermo Photovoltaic Water Boiler 30 Liters - Water Heater
Shipped in 2-5 days
Shipped in 2-5 days
900W solar system with 80l Fothermo boiler for hot water supply for garden or mountain cabin
Shipped in 2-5 days
Shipped in 2-5 days
Fothermo Photovoltaic Caravan Water Boiler 10 Liters - Water Heater
Shipped in 2-5 days
Shipped in 2-5 days
Fothermo battery cable 3m
3 Meter (€6.72 / 1 Meter)
Content: 3 Meter (€6.72 / 1 Meter)
Shipped in 2-5 days
Shipped in 2-5 days
450W solar system with 30L Fothermo boiler for hot water supply for garden or mountain cabin
Shipped in 2-5 days
Shipped in 2-5 days
450W solar system with 30L Fothermo hybrid boiler for hot water production
Shipped in 10-14 Werktage
Shipped in 10-14 Werktage
1800W solar system with Fothermo heating rod for hot water boiler
Shipped in 4-8 days
Shipped in 4-8 days
Fothermo 300-liter photovoltaic boiler
Shipped in 2-5 days
Shipped in 2-5 days
Fothermo 200-liter photovoltaic boiler
Shipped in 4-8 days
Shipped in 4-8 days
Fothermo photovoltaic 1kW heating element in boiler and hot water tank
Shipped in 2-5 days
Shipped in 2-5 days
Fothermo Hybrid Photovoltaic Boiler 30 Liters
Shipped in 2-5 days
Shipped in 2-5 days
900W solar system with Fothermo heating rod for hot water boiler
Shipped in 4-8 days
Shipped in 4-8 days
1350W solar system with Fothermo heating element for hot water boiler
Shipped in 4-8 days
Shipped in 4-8 days
Fothermo PSU charger 230V / 18V
Soon available again
Soon available again
Fothermo Photovoltaic Water Boiler 10 Liters - Water Heater
Soon available again
Soon available again
450W solar system with 10L Fothermo boiler for hot water supply for garden or mountain cabin
Soon available again
Soon available again
Fothermo
Fothermo is an innovative provider of photovoltaic hot water solutions. The brand is known for highly efficient water heaters, PV hot water systems, and accessories that allow solar power to be used directly to heat water. This makes Fothermo particularly well-suited for anyone who wants to make their hot water supply more independent, sustainable, and convenient.
At Offgridtec, you’ll find a wide selection of Fothermo products for various applications. These include standalone photovoltaic water boilers, integrated solar systems with boilers, hybrid boiler systems, and accessories for expansion or retrofitting. This allows you to choose a system that fits your hot water needs, available space, and existing energy source.
Fothermo Boilers: Generating Hot Water Directly with Solar Power
A Fothermo water heater uses solar power to heat water directly. This means that the energy from the PV modules isn’t first converted via complex additional technology, but is stored directly as heat. This makes Fothermo water heaters particularly appealing for mobile and off-grid applications such as RVs, trailers, garden sheds, vacation homes, tiny houses, or mountain cabins.
Fothermo Systems for Various Applications
Depending on your needs, you can choose between different Fothermo solutions. Standalone water boilers are suitable for custom setups and existing PV components. Solar systems with boilers offer pre-configured complete solutions consisting of a boiler and solar modules. Hybrid boilers also allow for flexible supplementary heating via the power grid when there isn’t enough solar energy available.
Combining Photovoltaics, Hot Water, and Off-Grid Comfort
Fothermo products are designed to provide hot water in situations where traditional systems are often complex, expensive, or impractical. Especially for self-sufficient PV systems, stand-alone systems, camping solutions, and small buildings, a photovoltaic water heater offers a simple way to make effective use of solar energy and significantly increase comfort.
Buy Fothermo online at Offgridtec
At Offgridtec, you can find Fothermo water heaters, solar water heating systems, and compatible accessories of certified quality. Our product range is aimed at private users, campers, homeowners, owners of garden homes and vacation homes, as well as anyone who wants to use solar power efficiently for hot water. When making your selection, consider the water heater size, available PV output, connection options, and your preferred supplementary heating option.
Do you have any questions? We’re happy to assist you with any questions or concerns. Contact us by phone at 08721 91994-00 or by email at info@offgridtec.com.
FAQ
- What is Fothermo?
Fothermo is a brand for photovoltaic hot water solutions. The product range includes PV water heaters, hybrid water heaters, solar systems with water heaters, and accessories for self-sufficient hot water production. - Can Fothermo be used to generate hot water using photovoltaics?
Yes, Fothermo boilers use solar power to heat water directly. This means that photovoltaics can be used not only for electricity but also for hot water. - Who is a Fothermo water heater suitable for?
Fothermo boilers are suitable for garden sheds, RVs, trailers, tiny houses, vacation homes, mountain cabins, and many off-grid applications. - What is the difference between a Fothermo water heater and a Fothermo solar system with a water heater?
A single boiler is the central hot water component. A solar system with a boiler consists of coordinated components such as a boiler, solar modules, and matching connection materials. - Does Offgridtec carry Fothermo accessories?
Yes, at Offgridtec you’ll find compatible Fothermo accessories such as heating elements, power supplies, and battery cables to supplement or retrofit your hot water solution.