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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JSQ30-RE16 (Zero-cold-water DC inverter)

JSQ30-RE16 (Zero-cold-water DC inverter)

Hiounce Domestic Instant Gas Water Heater Series

This product features a clean, elegant structural design paired with a porcelain-white curved glass panel — delivering a premium, sophisticated, and timeless aesthetic that seamlessly integrates into modern living spaces. Precision craftsmanship meets robust engineering to balance visual appeal, long-term durability, and everyday usability.

Powered by a 5th-generation microcomputer processing chip, the system continuously monitors real-time water temperature, flow rate, and user-set temperature to enable stepless flame modulation — ensuring consistent outlet water temperature and effectively minimizing seasonal temperature fluctuations.

Combined with intelligent 4-stage combustion and a sealed high-efficiency combustion system, the unit automatically optimizes burner output for superior temperature stability, enhanced energy efficiency, and quieter operation. Reinforced by a high-strength riveted exhaust system, weld-free construction, and an oxygen-free copper (TP2) nano heat exchanger, the entire unit delivers exceptional longevity, corrosion resistance, and reliable, comfortable, hassle-free hot water for your home.

Category:

Gas Water Heaters
  • Streamlined, elegant overall structure with exquisite craftsmanship
    Porcelain-white curved glass panel — premium, sophisticated, and timeless.
  • Intelligent constant-temperature control system
    Equipped with a 5th-generation microcomputer processing chip that dynamically adjusts flame intensity based on real-time water temperature, flow rate, and set temperature — delivering seamless, stepless flame modulation for truly stable outlet water temperature regardless of seasonal changes.
  • Intelligent 4-stage combustion technology
    Features intelligent 4-stage combustion combined with a sealed high-efficiency combustion system. Automatically switches between power levels to maintain combustion temperature variation within ±1°C — maximizing energy efficiency while minimizing operational noise.
  • High-strength exhaust system
    Uses large-diameter riveted air ducts with a weld-free construction — ensuring long-term durability, no weld failure, and low-noise operation.
  • Oxygen-free copper nano heat exchanger
    Features an oxygen-free copper (TP2 material) nano heat exchanger — offering 20% higher thermal conductivity, exceptional strength, and outstanding corrosion resistance.
Parameter Specification
Capacity 12L, 13L, 16L, 18L
Compatible gas type 12T
Rated gas pressure 2000Pa
Rated thermal load 30kW
Rated hot water output 16 kg/min at △t = 25K
Operating water pressure range 0.020–0.8 MPa
Rated voltage 220V~50Hz
Rated electric power 40W
Thermal efficiency ≥ 89.00%
Hot water efficiency ≥ 92.00%
Flue gas CO content (a=1) ≤ 0.030%
Combustion noise ≤ 50 dB
Energy efficiency rating Class 2