TW Series Heat Pump (R-454B Version)

Achieve a high level of comfort with the TW Series, an efficient, residential geothermal heat pump from Bosch.

The A2L refrigerant, R-454B, meets low-global warming potential (Low-GWP) requirements.
Radiant floor heating for consistent, energy efficient warmth
Fan coil heating and cooling supports hydronic air handlers for effective climate control
Ice and snow melting to ensure safe, snow-free driveways and walkways

Benefits

Bosch TW Series

Bosch TW Series geothermal heat pumps are engineered for superior efficiency and versatility and achieve an ENERGY STAR® rating. The units are available in capacities from 2 to 10 tons with a two-stage scroll compressor for optimized performance. With advanced heat pump technology, Bosch TW Series units maximize energy savings while maintaining high comfort levels. Whether for new construction or retrofit applications, the TW Series offers whisper-quiet operation, durable construction, and seamless integration into a variety of hydronic heating and cooling setups. Equipped with R-454B refrigerant, the TW Series meets the criteria for a lower global warming potential A2L refrigerant.

Applications

Designed to deliver reliable heating and cooling, these units are ideal for many applications, including radiant floor heating, fan coil heating and cooling, and ice and snow melting.

Quality

The Bosch TW is encased in a pre-painted galvanized steel for long-lasting performance and aesthetic appeal. Every unit undergoes rigorous bench/run testing at the factory before shipping. With 50+ years of experience in geothermal heat pumps, Bosch ensures efficiency and reliability. Additionally, Bosch is ISO 9001-2008 certified, guaranteeing consistent quality in every unit produced.

Quiet Operation

TW Series units feature a compressor blanket for whisper quiet operation, supported by a heavy-gauge base with a high-density, viscoelastic sound barrier. The insulated steel cabinet ensures further noise reduction. As a heat source for radiant floor systems, the TW Series is highly efficient and among the quietest available for heating and cooling homes.