The Five-Constant Radiant Climate System combines the high efficiency of ground source heat pumps with the principle of whole-house radiant heat exchange, completely breaking the limits of traditional HVAC systems. It creates a constant microclimate from five aspects: temperature, humidity, oxygen, cleanliness, and quietness.
It uses multiple sensors distributed around the room to monitor environmental data in milliseconds. As soon as there's a slight change in temperature or humidity, the cloud algorithm immediately instructs the heat pump and radiant terminals to make small adjustments. Not only can it proactively adjust settings based on weather forecasts, but it also lets homeowners monitor indoor air quality anytime through a mobile app. This kind of 'predictive' active adjustment makes comfort effortless and hands-free.
The 'Automatic Dew Point Tracking' technology in the Yierp host is like a safety guardian for radiant cooling and the brain for comfort: it uses built-in algorithms to calculate indoor temperature and humidity in real time, precisely locking onto the 'dew point temperature,' the critical point for condensation, and dynamically adjusts the water temperature to always keep it 1-2°C above the dew point. When humidity fluctuates, the system can intelligently respond-raising the temperature automatically to prevent condensation when humidity goes up, or lowering it to enhance cooling when humidity drops. This 'variable water temperature' strategy not only eliminates the risk of sweaty floors but also perfectly balances energy efficiency and comfort, making radiant cooling both safe and extremely cozy.
01
Comfortable All Year
The radiation system evenly releases cooling and heating through the whole-house 3D radiation surfaces, with heat transferred directly to people and objects, while the air passively stays at a constant temperature.
02
Constant humidity
Keep the indoor air warm and comfortable, take care of your skin and respiratory health, prevent dryness, static electricity, and furniture cracking
03
Clean breathing
Build an all-around clean air barrier for your home. The fresh air channel comes with three layers of filters: primary, medium, and HEPA high-efficiency.
04
Noise-Free Living
Paired with liquid cooling instead of traditional fan cooling, it completely eliminates device fan noise and vibration noise, keeping indoor operation quiet.
Our production and equipment
YIERP original manufacturer
15
years
Yierp is the first factory for five-constant air conditioners, with 15 years of experience.
30
certificates
We have obtained most of the professional certificates in the industry and insist on international standards of production.
50
awards
We have won a lot of awards for strong creativity
The safety core of the whole system combines filtration, dehumidification, humidification, sterilization, and ventilation. It not only keeps the air clean and comfortable but also precisely controls humidity to prevent condensation on radiation surfaces from the start, making it key for stable system operation.
The variable-frequency heat pump paired with a multi-pipe control system solves the common problems of traditional heating and cooling devices-like laggy mode switching, high energy consumption, and big temperature differences-ensuring the whole five-constant system runs stably and efficiently all year round.
Installation Case
Four-pipe patented technology, underfloor heating and cooling without condensation
The quadruple piping system has two complete, independent water circuits: one for cold water supply and return, and one for hot water supply and return. All four pipes are completely separate, with no mixing or interference between the hot and cold water lines.Now it dehumidifies without cooling, cools without drying, and keeps both temperature and humidity constant.Continuous supply of cold water to the ceiling/wall radiant panels achieves whole-house cooling and temperature control
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