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Boilers are the heart of the greenhouse and key to climate conditioning systems. Our low-mass boiler systems are custom-engineered to maintain environmental setpoints, accommodate your facility’s layout, and operate with maximum efficiency. Boilers power hydronic heating, irrigation tempering, CO₂ enrichment, and are utilized in AC and dehumidification systems.
Now offering RBI® high-efficiency boilers—trusted for their compact design and powerful performance. These precision-engineered condensing systems deliver up to 10 million BTUs in a fraction of the space of traditional steam or biomass boilers.
Low-mass boilers deliver consistent heat while reducing fuel consumption, saving you money and supporting healthy plant growth.
With precision-engineered condensing boilers, heat is delivered only when and where it’s needed. Maximize reliability, save space, and create the perfect growing environment year-round.
Condensing boilers offer precise temperature control, only providing heat when called for. This is crucial for maintaining optimal growing conditions and maxmizing crop yields.
BioTherm is proud to be the exclusive dealer of RBI® boilers for the greenhouse market. A trusted name in high-efficiency boiler technology, RBI continues to lead the industry with innovations that drive performance—like condensing heat exchangers that extract nearly every available BTU from the fuel.
With models ranging up to 10 million BTU/hr, RBI’s versatile lineup includes features tailored for greenhouse needs, such as:
Modulating capabilities that adjust output to match fluctuating heat loads
Daisy-chaining options to combine multiple boilers for greater capacity
Cascading systems that adapt to seasonal demand for optimized efficiency year-round
Whether you’re heating a propagation zone or an entire facility, RBI boilers deliver smart, reliable performance—fully integrated with BioTherm’s climate control systems.

For over 44 years, BioTherm has pioneered advanced greenhouse technologies. Our extensive expertise ensures each system is precisely tailored to optimize your agricultural operations.

Our Roll’N Grow system, a 2022 finalist for Greenhouse Grower’s Technology of the Year, exemplifies our commitment to setting industry benchmarks for efficiency and performance.

Recognized in the Ball Redbook’s Crop Culture and Production Guidelines, BioTherm’s solutions come highly recommended for their effectiveness in improving heating and sub-irrigation practices.



















With over 44 years of unparalleled experience, BioTherm has been at the forefront of revolutionizing greenhouse climate technology. Our mission is to empower growers to craft their own ideal weather, fostering the perfect ecosystem for plants to thrive.