DC Inverter DX Air Handling Unit

Short Description:

Features of Indoor Unit

1. Core heat recovery technologies
2. Holtop heat recovery technology can effectively reduce the heat and cold load caused by ventilation, it’s energy saving and environmental protection.Breath healthy air
3. Say no to indoor and outdoor dust, particles, formaldehyde, peculiar smell and other harmful substances, enjoy the natural fresh and health air.
4. Comfortable ventilation
5. Our goal is to bring you the comfortable and clean air.


Features of Outdoor Unit

1. High Heat Exchange Efficiency
2. Multiple leading technologies, building a stronger, more stable and efficient cooling system.
3. Silence operation
4. Innovative noise canceling techniques, minimising the operation noise for both indoor and outdoor unit, creating a silent environment.
5. Compact design
6. New casing design with better stability and appearance. The inner system elements is from world famous brands to ensure high quality.

Product Detail



HOLTOP HFM series DX Air Handling Unit includes DC Inverter DX air conditioner outdoor unit and constant frequency DX air conditioner outdoor unit these two series. The capacity of DC inverter DX AHU is 10-20P, while the capacity of constant frequency DX AHU is 5-18P. On the basis of constant frequency DX AHU, the newly developed DC inverter DX AHU adopts the enhanced vapor injection technology to open a new era of low-temperature heating. The new design of air-conditioning system and self-developed control program give full play to product performance and bring users a more comfortable air-conditioning experience.

Item/Series DC Inverter Series Constant Frequency Series
Cooling capacity (kw) 25 - 509 12 - 420
Heating Capacity (kw) 28 - 569 18 - 480
Airflow (m3/h) 5500 - 95000 2500 - 80000
Frequency Range of Compressor (Hz) 20 - 120 /
Max. length of Pipe (m) 70 50
Max. Drop (m) 25 25
Operating Range Cooling Outdoor DB temperature (°C) -5-52 15 - 43
Indoor WB temperature (°C) 15 - 24 15 - 23
Heating Indoor DB temperature (°C) 15 - 27 10-27
Outdoor WB temperature (°C) -20 - 27 -10-15

Indoor Unit

Heat Exchangers: Crossflow total heat exchanger, cross flow plate heat exchanger or rotary heat exchanger to meet different demand.


PM 2.5 Solution

High Efficiency To Remove The Haze: Equipped with a high-efficiency filtration filters, it can effectively remove PM2.5 particles carried by the air and ensure clean indoor air quality.


Indoor Formaldehyde Removal Solution

The indoor unit can optionally be equipped with a formaldehyde removal module, which can effectively filter and decompose formaldehyde molecules; coupled with fresh air replacement and dilution, double removal of formaldehyde.


Bring Outdoor Fresh Air

With this AHU, the outdoor fresh air will be brought into the room, and the indoor air quality will be highly improved by increasing oxygen concentration, decreasing carbon dioxide and remove the peculiar smell and other harmful gas.

Outdoor Unit

Structural Features Of The Top Discharge Outdoor Unit


Structural Features Of The Side Discharge Outdoor Unit


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