Qingdao Haiang HVAC Equipment Co., Ltd.,

Qingdao Hiounce HVAC Equipment Co., Ltd., established in 1958, specializes in the R&D and manufacturing of gas-fired combination boilers, condensing boilers, and modular boilers—with an annual output of 120,000 units. In partnership with Italy’s Cosmo Group, the company is committed to delivering international-standard, high-quality, low-carbon, and environmentally friendly gas thermal energy equipment solutions.

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ZunLang

Inverter Air Source Heat Pump Heating Unit

Engineered specifically for low-temperature heating applications, this unit operates reliably even at ultra-low ambient temperatures down to –35°C—making it ideal for residential heating in cold regions including North China, Central China, Northwest China, and Northeast China.

It incorporates the latest generation of ultra-low-temperature jet-enhanced heating technology and PID stable-state control—ensuring highly efficient and stable operation. Its advanced defrosting technology maintains strong heating capacity during harsh winter conditions, significantly improving heating reliability.

Additional advantages include low initial investment, simplified installation, and zero-emission environmental safety. The carpet-style heating method provides rapid, uniform warmth—enhancing occupant comfort. Together, these features deliver a safe, efficient, stable, and comfortable heating experience.

Category:

Heat Pump Units
  • Stable operation down to –35°C
    Ideal for space heating applications across North China, Central China, Northwest China, and Northeast China.
  • Low initial investment
    Lower upfront cost and easier installation.
  • Environmental safety
    Zero emissions—cleaner and safer.
  • High efficiency
    Features the latest ultra-low-temperature jet-enhanced heating technology and PID stable-state control.
  • Advanced defrosting technology
    Ensures stronger heating performance under winter low-temperature conditions.
  • Enhanced comfort
    Carpet-style heating delivers faster warmth and improved thermal comfort.
Parameter HA-HCE90-IL/3 HA-HCE145-IL/5 HA-HCE165-IL/6 HA-HCE165-IIL/6 HA-HCE205-IIL/8 HA-HCE265-IIL/10
Basic Parameters
Horsepower (HP) 3 HP 5 HP 6 HP 6 HP 8 HP 10 HP
Air Discharge Orientation Side Discharge Side Discharge Side Discharge Side Discharge Side Discharge Side Discharge
Control Method Inverter Inverter Inverter Inverter Inverter Inverter
Operating Ambient Temperature Range -35~43℃ -35~43℃ -35~43℃ -35~43℃ -35~43℃ -35~43℃
Energy Efficiency Rating Grade 1 Grade 1 Grade 1 Grade 1 Grade 1 Grade 1
System Parameters
Power Supply Specification 220V~50Hz 220V~50Hz 220V~50Hz 380V 3N~50Hz 380V 3N~50Hz 380V 3N~50Hz
Refrigerant Type R32 R32 R32 R32 R32 R32
Maximum Water Outlet Temperature 60℃ 60℃ 60℃ 60℃ 60℃ 60℃
Dry Bulb Temperature: 7℃ / Wet Bulb Temperature: 6℃ / Water Inlet Temperature: 40℃ / Water Outlet Temperature: 45℃ (Heating Mode)
Heating Capacity (kW) 9 14.5 16.5 16.5 20.5 26.5
Rated Power Input (kW) 2.54 4.13 4.69 4.69 5.74 7.75
COP 3.54 3.51 3.52 3.52 3.57 3.42
Dry Bulb Temperature: 35℃ / Water Inlet Temperature: 12℃ / Water Outlet Temperature: 7℃ (Cooling Mode)
Cooling Capacity (kW) 7.5 9.5 10.5 10.5 13 15
Rated Power Input (kW) 2.56 3.45 3.81 3.81 4.75 5.45
COP / EER 2.93 2.75 2.76 2.76 2.74 2.75
Dry Bulb Temperature: -12℃ / Wet Bulb Temperature: -14℃ / Water Outlet Temperature: 35℃ (Heating Mode)
Heating Capacity (kW) 6.5 11.5 13.5 13.5 16 18.5
Rated Power Input (kW) 2.39 4.20 4.91 4.91 5.91 6.68
COP 2.72 2.74 2.75 2.75 2.71 2.77
Dry Bulb Temperature: -12℃ / Wet Bulb Temperature: -14℃ / Water Outlet Temperature: 41℃ (Heating Mode)
Heating Capacity (kW) 6.5 11.5 13.5 13.5 16 18.5
Rated Power Input (kW) 2.60 4.60 5.36 5.36 6.38 7.31
COP 2.50 2.50 2.52 2.52 2.51 2.53
Dry Bulb Temperature: -12℃ / Wet Bulb Temperature: -14℃ / Water Outlet Temperature: 50℃ (Heating Mode)
Heating Capacity (kW) 6.0 10.5 13 13 15.3 17.6
Rated Power Input (kW) 2.82 4.95 6.13 6.13 7.24 8.34
COP 2.13 2.12 2.12 2.12 2.11 2.11
Dry Bulb Temperature: -20℃ / Water Outlet Temperature: 35℃ (Heating Mode)
Heating Capacity (kW) 5.8 9.8 12.3 12.3 14.8 17.1
Rated Power Input (kW) 2.53 4.34 5.42 5.42 6.59 7.57
COP 2.29 2.26 2.27 2.27 2.25 2.26
Dry Bulb Temperature: -20℃ / Water Outlet Temperature: 41℃ (Heating Mode)
Heating Capacity (kW) 5.8 9.8 12.3 12.3 14.8 17.1
Rated Power Input (kW) 2.82 4.60 5.75 5.75 6.98 8.03
COP 2.06 2.13 2.14 2.14 2.12 2.13
Dry Bulb Temperature: -20℃ / Water Outlet Temperature: 50℃ (Heating Mode)
Heating Capacity (kW) 5.4 9.4 11.8 11.8 13.8 16.3
Rated Power Input (kW) 2.93 5.08 6.41 6.41 7.48 8.76
COP 1.84 1.85 1.84 1.84 1.84 1.86
Other Parameters
Maximum Input Power (kW) 3.52 6.6 7.2 7.2 7.8 9.5
Maximum Input Current (A) 16 30 32.7 11.6 12.6 16.3
Rated Water Flow Rate (m³/h) 1.29 1.81 2.20 2.20 2.63 3.03
Noise Level (dB(A)) 54 59 60 60 62 63
IPLV(H) 3.71/3.30/2.36 3.71/3.30/2.36 3.72/3.31/2.37 3.72/3.31/2.37 3.72/3.30/2.38 3.72/3.30/2.38
Annual Performance Factor 3.43 3.09 3.09 3.09 3.15 3.15
HSPF 3.81/3.41/2.73 3.78/3.35/2.73 3.78/3.35/2.73 3.78/3.35/2.73 3.75/3.32/2.69 3.78/3.35/2.71
Water Circuit System
Condenser Type Plate Heat Exchanger Plate Heat Exchanger Plate Heat Exchanger Plate Heat Exchanger Plate Heat Exchanger Plate Heat Exchanger
Water-Side Pressure Drop (kPa) 23 26 26 26 32 32
Pipe Position Right-Side Outlet Right-Side Outlet Right-Side Outlet Right-Side Outlet Right-Side Outlet Right-Side Outlet
Fitting Specification G1″ G1″ G1.25″ G1.25″ G1.25″ G1.5″
Physical Dimensions
Overall Dimensions (mm) 1000×347×1017 946×448×1368 946×448×1368 946×448×1368 946×448×1368 998×468×1360
Weight (kg) 78 108 115 113 119 135
Remarks Single Fan Dual Fan Dual Fan Dual Fan Dual Fan Dual Fan
Compressor Brand Mitsubishi Mitsubishi Mitsubishi Mitsubishi Mitsubishi Mitsubishi