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AIR TO WATER HEAT PUMP EFFICIENCY

Discover the unique advantages that set us apart.

Silence

Reaching as low as 35dB(A), Silent Mode creates a tranquil atmosphere.

IoT (Internet of Things)

IoT Technology facilitates the remote monitoring and analysis of the heat pump’s status.

Twin Rotary

A Twin Rotary DC Inverter compressor results in a 30% reduction in energy consumption compared to traditional scroll compressors.

Smart Defrost

Tongyi has achieved the development of intelligent defrost processes, aimed at optimising the management of defrosting cycles in air-to-water heat pumps.

24/7 Remote Service

Benefit from round-the-clock remote service support, ensuring assistance whenever you need it, day or night.

R32 | R290

These two environmentally friendly refrigerants lead to a substantial decrease in Global Warming Potential (GWP) and carbon emissions.

Lead Time

Experience rapid deliveries with our swift lead time service, ensuring your needs are met promptly and efficiently.

DC Inverter EVI Tech

DC Inverter EVI Technology effectively reduces power consumption and improves the heating capacity of heat pump units to ensure stable performance even at ambient temperatures as low as -25°C.

Smart Control • Wifi

Experience a unique convenience with Tongyi Heat Pump’s smart control feature.

PROJECTS

Discover our projects and installations all over the world

From big commercial installations to residential household space heating & cooling, our comprehensive solutions address diverse needs, ensuring optimal comfort and efficiency for every environment.

TONGYI PROJECTS
NEWS & EVENTS

Stay connected with our latest news and upcoming events.

NEWS

Welcome to Tongyi’s blog! We specialize in Air-to-Water heat pumps. Stay updated on HVAC and renewable energy innovations and join us in creating a greener future.

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EVENTS

Discover our participation in past exhibitions and save the date for future events to discover the potential of sustainable solutions to contribute to a brighter future.

Discover past & Upcoming Events
heat pump efficiency in cold weatherEuropeKnowledgeWhy Heat Pump Efficiency Changes in Cold Weather: COP, Capacity and R290 Explained
September 11, 2026

Why Heat Pump Efficiency Changes in Cold Weather: COP, Capacity and R290 Explained

Air-to-water heat pumps extract heat from outdoor air and transfer it into a home's heating system. That process works even when the temperature outside falls below freezing. However, heat pump…
EuropeKnowledgeHow Quiet Is an R290 Heat Pump? Understanding Heat Pump Noise
September 4, 2026

How Quiet Is an R290 Heat Pump? Understanding Heat Pump Noise

Modern air-to-water heat pumps are designed to operate quietly. However, noise is still an important factor when choosing and positioning an outdoor unit. This matters especially in residential areas. A…
EuropeKnowledgeR290 Heat Pump Safety: Are Propane Heat Pumps Safe?
August 28, 2026

R290 Heat Pump Safety: Are Propane Heat Pumps Safe?

R290 is becoming increasingly important in European heat pump technology. It offers excellent thermodynamic properties and an extremely low Global Warming Potential. Under the current EU F-gas framework, R290 has…