The company's main products are aluminum tube type two-phase heat exchangers. Custom Home Air Heater Coil (Louvered Fin Type) Factory.
Core Dimensions: 231 (L) x 381 (W) x 215 (H) mm
Mold Size: 7 x 21 x 12.7 mm
Fin Type: Hydrophilic louvered fins (panel spacing 1.4 mm, panel thickness 0.105 mm)
Material: All-copper construction (1.5 mm aluminum plate)
The household air heater is designed to provide reliable, comfortable, and energy-efficient heating for residential environments.
Its core measures 231 mm in length, 381 mm in width, and 215 mm in height, with mold dimensions of 7 × 21 × 12.7, offering a compact yet effective heat exchange unit that can be seamlessly integrated into home heating systems.
The blower features hydrophilic window panels with a 1.4 mm spacing and a 0.105 mm thickness, which maximize the heat transfer area and enhance airflow while promoting effective condensation drainage.
This design ensures consistent and uniform heat distribution, allowing rooms to reach the desired temperature quickly and efficiently.
The core is constructed entirely from high-quality copper, providing excellent thermal conductivity and long-term reliability.
Combined with a 1.5 mm aluminum sheet metal, the unit is lightweight, durable, and corrosion-resistant, ensuring stable performance even in demanding household environments.
Widely applied in home HVAC systems, supplemental heating units, and portable heating devices, this blower offers quiet operation, high efficiency, and low maintenance requirements.
A buyer compares two quotes for the same duty: a 9 kW direct-expansion evaporator for a rooftop unit. One supplier ships in 21 days, the other in 45. The price gap is 34 percent. Both drawings show the same face area, the same fin spacing, and the same tube diameter. The difference hides in three l...
READ MOREA maintenance technician stops in front of a rooftop unit that is blowing warm air on a hot afternoon. The filter is clean, the thermostat is correctly set, and both fans are running. The problem is almost certainly inside the sealed refrigerant loop. That loop, repeated in nearly every air conditi...
READ MOREWhen a chiller leaves the factory, its efficiency, reliability and operating cost have already been determined by a small set of design choices. The most consequential of those choices sit inside the refrigerant circuit: the evaporator, where heat is absorbed from the building water loop, and the c...
READ MOREA Home Air Heater Coil (Louvered Fin Type) utilizes specially designed louvered fins to enhance heat transfer between the heating medium and the surrounding airflow. Compared with flat fin structures, louvered fins create controlled airflow disturbances that reduce the thickness of the thermal boundary layer. This allows more air to come into direct contact with the fin surface, resulting in faster heat exchange and improved heating efficiency without significantly increasing the overall coil size.
The effectiveness of a louvered fin design depends on factors such as fin angle, louver spacing, tube arrangement, and airflow velocity. Proper optimization helps residential heating systems deliver warm air more quickly while maintaining stable operating temperatures throughout continuous heating cycles.
Besides fin geometry, material selection has a significant impact on the durability, manufacturing efficiency, and thermal performance of heater coils. As residential heating equipment evolves toward lighter and more energy-efficient designs, manufacturers are increasingly adopting advanced aluminum tube technology to improve production efficiency while maintaining reliable heat transfer capability.
Hangzhou Yijie Refrigeration Technology Co., Ltd. has 12 years of deep expertise in heat exchangers and holds multiple core technologies. Breaking through the limitations of traditional copper material, the company adopts high-performance aluminum tube technology. This innovation reduces material costs by more than 30% while offering significant advantages in mass production, enabling customers to achieve both cost efficiency and stable product quality.
Although household heating systems generally operate indoors, heater coils still experience repeated thermal expansion, humidity changes, and long operating hours during the heating season. Reliable corrosion resistance and structural integrity help prevent performance degradation and extend equipment lifespan.
| Verification Item | Benefit for Heater Coils |
| 500-hour standard salt spray test | Maintains corrosion resistance under humid conditions |
| 50,000 pressure cycle verification | Ensures structural reliability during continuous operation |
| High compressive strength | Improves mechanical stability and service life |
Hangzhou Yijie Refrigeration Technology Co., Ltd. has verified its heat exchanger products through 500-hour standard salt spray tests and 50,000 pressure cycle verification. The corrosion resistance and compressive strength of its products far exceed national standards, providing dependable performance for residential heating equipment operating under long-term thermal cycling conditions.
Increasing heat transfer area generally improves heating capacity, but excessive fin density can also increase airflow resistance. Engineers therefore seek an optimal balance between fin geometry and fan performance. Louvered fin coils are particularly effective because they improve heat transfer efficiency without relying solely on additional fin surface area.
Proper airflow management also contributes to quieter system operation, more uniform warm air distribution, and reduced energy consumption by minimizing unnecessary fan power requirements.
As residential HVAC systems continue to prioritize energy efficiency and environmental sustainability, high-performance heater coils have become an important factor in improving seasonal heating efficiency. Consumers increasingly expect heating equipment to deliver rapid warm-up, lower electricity consumption, reduced maintenance, and long-term reliability within compact system designs.
Supported by 12 years of heat exchanger expertise, advanced aluminum tube technology, and rigorous product verification, Hangzhou Yijie Refrigeration Technology Co., Ltd. continues to supply heat exchanger solutions for household AC, automotive AC, dehumidifiers, cold chain systems, eco-friendly equipment, machine rooms, warehouses, and other applications. This broad industry experience enables the company to contribute reliable Home Air Heater Coil (Louvered Fin Type) solutions that align with the ongoing trend toward higher efficiency, lighter equipment, and more sustainable residential heating technologies.
Home Air Heater Coil (Louvered Fin Type) Manufacturers 
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