This air handling units is published with the manufacturer’s full specification — 800m3/h, material Galvanized Steel. Made by Beijing Holtop Air Conditioning Co., Ltd. (9 years on the platform, factory-assessed). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of These Air Handling Units
- Model Number: DX-Coil-80D
- Cooling Capacity: 4 kw
- Heating Capacity: 4.4 kw
- Airflow: 800m3/h
- Material: Galvanized Steel
- Refrigerant: R410A
Technical Specifications
| Application | Hotel |
|---|---|
| Material | Galvanized Steel |
| Installation | Ceiling Mounted |
| Feature | Energy Saving, Easy Install, Flexible |
| Design Style | Traditional |
| Warranty | 1 Year |
| After-Sale Service | Other |
| Project Solution Capability | Others |
| Model Number | DX-Coil-80D |
| Place Of Origin | Beijing, China |
| Brand Name | Holtop |
| Product Name | commercial DX Coils heat recovery ventilator hvac |
| Airflow | 800m3/h |
| Liquid Tube | 6.35mm |
| Steam Tube | 12.7mm |
| Function | Cooling/ Heating air |
| Pressure | 4.2MPa |
| Cooling Capacity | 4 kw |
| Heating Capacity | 4.4 kw |
| Refrigerant | R410A |
| Selling Units | Single item |
| Single Package Size | 134X70X65 cm |
| Single Gross Weight | 33.0 kg |
Product Details

Fresh Air Ventilation DX Coils ERV HRV commercial DX Coils heat recovery ventilator hvac
New Eco-Smart HEPA Energy Recovery Ventilator is ERP 2018 compliant.
It is built in energy saving BLDC motor, F9 filter, high efficiency enthalpy heat exchanger. Ideal ventilation solution for residential and light commercial project.



Holtop has developed ERV with DX coils to provide cool and warm fresh air to customers. It can work with VRV/VRF for optimal indoor comfort.


The cooling/heating capacity ranges from 2.5kw/2.7kw to 7.8kw/7.1kw with an airflow rate from 500m3/h to 1300m3/h.
| Model | Rated Air Flow (m3/h) | Rated E.S.P (Pa) | Enthaply efficiency % | Temperature efficiency % | Noise dB(A) | Voltage (V) | Power Input (W) | Weight (KG) | |
| Cooling | Heating | ||||||||
| XHBQ-D5DMTHA | 500 | 110 | 63-72 | 67-75 | 76-84 | 39 | 220-240 | 140 | 38 |
| XHBQ-D6.5DMTHA | 650 | 100 | 60-67 | 65-71 | 74-82 | 41 | 220-240 | 160 | 62 |
| XHBQ-D8DMTHA | 800 | 140 | 63-71 | 65-73 | 76-82 | 42 | 220-240 | 188 | 72 |
| XHBQ-D10DMTHA | 1000 | 60-68 | 62-72 | 76-82 | 43 | 220-240 | 312 | 81 | |
| XHBQ-D13DMTHA | 1300 | 135 | 58-71 | 59-75 | 74-82 | 43 | 220-240 | 405 | 81 |
During the summer, ERV DX can transform outdoor warm air into cool air for indoors, and it can prevent cold drafts during the winter by supplying warm air.


Total Air Conditioning Solution
ERV with DX coils can be used as a total air conditioning solution. It can control condition of incoming air with the DX coil for making comfortable indoor air. In the summer, ERV with DX coils controls the air indoors by cooling. In winter, it can provide warm air by heating the incoming air.


Interlocking with top AC brand outdoor units
Customers can interlock our ERV with DX coils with the outdoor units of some top air conditioning brands like Samsung, LG, etc. Our ERV can communicate with the outdoor units via external switches like on/off contact, running signal output, and an error/ alarm contact or RS485 connectors, etc.
It can be controlled by an independent wired remote controller or connected to VRV/VRF indoor units.






| DX COIL Part Specification | |||||||||||
| Model | Nominal air flow | Nominal pressure drop | Heating capacity | Cooling capacity | Gas pipe | Liquid pipe | Drain pipe | Refrigerants | Pressure | Dimensions (L×W×H) | Net Weight |
| Unit | m^3/h | Pa | KW | KW | mm | mm | mm | Mpa | mm | KG | |
| 50D | 500 | ≤30 | 2.7 | 2.5 | ∅ 9.52 | ∅ 6.35 | DN25 | R410A | 4.2 | 904×600×270 | 20 |
| 65D | 650 | ≤35 | 3.5 | 3.8 | ∅ 12.70 | ∅ 6.35 | DN25 | R410A | 4.2 | 886×500×390 | 22 |
| 80D | 800 | ≤35 | 4.4 | 4 | ∅ 12.70 | ∅ 6.35 | DN25 | R410A | 4.2 | 1134×500×390 | 24 |
| 100D | 1000 | ≤30 | 5.4 | 5 | ∅ 12.70 | ∅ 6.35 | DN25 | R410A | 4.2 | 1216×500×390 | 26 |
| 130D | 1300 | ≤40 | 7.1 | 7.8 | ∅ 15.9 | ∅ 9.52 | DN25 | R410A | 4.2 | 1216×500×390 | 28 |
| Air inlet condition for heating:20℃DB,15℃WB Air inlet condition for cooling:27℃DB,19℃WB | |||||||||||
Click to Send Your Inquiry Here Now to Get the Best Price

Holtop Factory
Holtop is the leading manufacturer in China specializing in the production of air to air heat recovery equipments. It is dedicated to the research and technology development in the field of heat recovery ventilation and energy saving air handling equipments since 2002. The main products includes energy recovery ventilator ERV/HRV, air heat exchanger, air handling unit AHU, air purification system. Besides, Holtop professional project solution team can also offer customized hvac solutions for different industry.
Holtop headquarters is located at the foot of Beijing Baiwangshan Mountain, covering area of 30,000 square meters. The manufacturing base is in Beijing's Badaling Economic Development Zone, covering an area of 60 acres, with an annual production capacity of 200,000 units of air heat recovery equipments.
Holtop builds a sound certificate system of ISO9001, ISO14001 and OHSAS18001 as well as product certification systems. Moreover, it has a laboratory certified by national authority. As a well-known manufacturer in the field of heat recovery, Holtop has a strong R&D team and possesses dozens of national invention patents, and participated in the compilation work of several national standards, Holtop was also elected as Zhongguancun High-Tech Enterprise.




Holtop partner
Holtop cooperate with world famous brand or offer OEM service.




Ordering and Pricing
- Minimum order quantity: 10 set
- Volume pricing:
- 10–19 set: US $390 / set
- 20+ set: US $349 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this air handling units?
The standard minimum order quantity is 10 set. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Beijing Holtop Air Conditioning Co., Ltd., based in China. The company 9 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full Beijing Holtop Air Conditioning Co., Ltd. range on HVACR Nexus.
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