Hunan Dinghan Environmental Technology Co., Ltd.

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2025 Newest HVAC System Greenhouse air Conditioning System Passive House

China 2025 Newest HVAC System Greenhouse air Conditioning System Passive House

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2025 Newest HVAC System Greenhouse air Conditioning System Passive House

MOQ： 2
Price：
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Feature	Flexible
Warranty	1 Year
After-sale Service	Online Technical Support, Free Spare Parts, Return and Replacement
Project Solution Capability	total solution for projects, graphic design
Application	Hotel, Villa, Apartment, Office Building, Hospital, School, Mall, Sports Venues, Leisure Facilities, Supermarket, Warehouse, Workshop, Park, Farmhouse, Courtyard, Other, Kitchen, Bathroom, Home Office, Living Room, Bedroom, Dining, Babies and Kids, Outdoor
Design Style	Modern
Type	Ventilation
Place of Origin	Hunan, China
Brand Name	DINGHAN

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Product Details
Company Details

Product Specification


Feature	Flexible	Warranty	1 Year
After-sale Service	Online Technical Support, Free Spare Parts, Return and Replacement	Project Solution Capability	total solution for projects, graphic design
Application	Hotel, Villa, Apartment, Office Building, Hospital, School, Mall, Sports Venues, Leisure Facilities, Supermarket, Warehouse, Workshop, Park, Farmhouse, Courtyard, Other, Kitchen, Bathroom, Home Office, Living Room, Bedroom, Dining, Babies and Kids, Outdoor	Design Style	Modern
Type	Ventilation	Place of Origin	Hunan, China
Brand Name	DINGHAN

Product Description

More specifications

Air volume range 300-30000m3/h, suitable for residential, catering, Internet cafes, KTV,offices, computer rooms, electronic
factories and fitness and other places.

Convenient installation

The machine is placed in the ceiling, the application of non-metallic materials, accurateand consistent mold production, to ensure a good noise reduction effect.

More complete functions

Two-way air replacement, energy recovery, primary/secondary filtration, intermittent
switching, electric control protection.

Full heat recovery device, reducing the load on the air conditioning system, saving energy and operating costs Adopting famous brand motor, supe silent technology, high efficiency guarantee The wind wheel and air outlet adopt all-metal structure, which is durable and can stand the test of time. Built-in high-efficiency acoustic cotton, efficient noise isolation

Specification

Model	Air volume (m3/h)	static pressure (Pa)	power (Kw)	rated voltage (v)	static (dB)	heat exchange rate
DFR-150	1500	130	0.64	380/220	56	68
DFR-200	2000	180	1.1	380/220	57	68
DFR-250	2500	200	1.14	380	59	64
DFR-300	3000	210	1.3	380	60	63
DFR-400	4000	260	1.8	380	63	63
DFR-500	5000	270	2.74	380	63	64
DFR-600	6000	290	3.6	380	69	68
DFR-700	7000	320	5.6	380	70	63
DFR-800	8000	330	5.6	380	71	68
DFR-1000	10000	400	7	380	72	67

Model	sizes（MM）					Air inlet size（MM）	Air outlet size （MM)	Weights (KG)
Model		L	W	H		Air inlet size（MM）	Air outlet size （MM)	Weights (KG)
DFR-150	1290	1100	500	Φ245	Φ245	120
DFR-200	1350	1200	500	Φ245	Φ245	150
DFR-250	1540	1230	600	320*250	320*250	180
DFR-300	1540	1230	630	320*250	320*250	250
DFR-400	1600	1500	630	400*320	320*250	300
DFR-500	1740	1700	680	400*400	400*320	320
DFR-600	1940	1800	740	400*400	400*400	400
DFR-700	2040	1800	800	500*350	500*350	480
DFR-800	2040	1900	800	500*400	500*300	540
DFR-1000	2120	2000	1180	630*500	500*400	640

Galvanized steel sheet

Galvanizing effectively prevents steel corrosion and extends service life with low maintenance costs.

Metal plate

Sheet metal is characterized by light weight, high strength, warp, and good mass production performance.

Packing & Delivery

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.

Company Profile

FAQ

1Q:Are you manufacturer or trader？Where are your factory located？
A: We are manufacturer with professional designers and engineers. Our factory is located in Zhuzhou, Hunan, China

2Q: I can’t find the product on your catalogue, can you make this product for me?
A: Our catalogue shows most of our products, but not all. So just let us know what product do you need, and how many do you want.
If we do not have it, we can also design and make a new mould to produce it. For your reference, making an ordinary mould willtake about 35-45 days.

3Q：Can you make customized products and customized packing?
A: Yes. We made a lot of customized products for our customer before. About customized packing, we can put your Logo or other info on the packing if you can meet our MOQ.
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4Q： How could I get a sample?
A:We do not provide free sample, if you are interested in our products please contact our customerservice, she can tell you thedetails of the sample.

5Q： How to guarantee the quality of your products?
A: 1) Strict detection during production.
2) Strict sampling inspection on products before shipment and intact product packaging ensured.

6Q：I need your price list of all your products, do you have a price list ?
A: Please send us your message and submit, then we will send your interested products' price list as soon as possible.

7Q：Do you have a guarantee of your product quality?Can we extend?
A: We have a guarantee of One years.Warranty can be extended with extra charge.

8Q：Can you provide drawing design service?
A: Yes, we have a professional ventilation system engineering team to design and optimize the solution for your project.

9Q：Do you have technical support?
A: We have professional technical team to answer technical question.

10Q：Can you provide installation accessories along withequipment?
A: Yes, of course. This is one of our standard services, we can calculate and quote you needed VRF installation kit

11Q：What is your delivery time?
A: For the standard unit, about 35-40days

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory

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Business Type:

Manufacturer,Trading Company 


Year Established:

2014 


Total Annual:

6000000-10000000
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Employee Number:

21~50 
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Ecer Certification：

Verified Supplier 

Hunan Dinghan Environmental Protection Technology Co., Ltd. is a recognized National High-Tech Enterprise specializing in the R&D, manufacturing, installation, and global service of premium HVAC ventilation and industrial air purification systems. Holding multiple invention patents and strategic... Hunan Dinghan Environmental Protection Technology Co., Ltd. is a recognized National High-Tech Enterprise specializing in the R&D, manufacturing, installation, and global service of premium HVAC ventilation and industrial air purification systems. Holding multiple invention patents and strategic...

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Hunan Dinghan Environmental Technology Co., Ltd.
中国湖南省长沙市雨花区劳动东路821号明昇时代广场第三期6栋16层
https://www.dinghanairsystem.com/

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