Duong Ngoc Anh Mechanical Refrigeration Service And Trading Co., Ltd

Duong Ngoc Anh Mechanical Refrigeration Service And Trading Co., Ltd – abbreviated as DNA – is a professional M&E refrigeration contractor established in 2017, headquartered at 192 Le Trong Tan Street, Thanh Xuan District, Hanoi. After more than 7 years of operation, DNA has affirmed its position as one of the leading reputable companies in supplying, installing, and constructing air conditioning systems in Hanoi and provinces nationwide.
With the operating motto “Professionalism – Prestige – Dedication,” DNA is proud to have served nearly 1,000 customers, including enterprises, construction contractors, interior contractors, shopping centers, apartment buildings, hotels, and individual customers nationwide, receiving hundreds of positive reviews for both product and service quality.
Products & Solutions
DNA supplies a wide range of genuine air conditioning systems suitable for projects of all scales, from apartments and offices to commercial and industrial complexes.
Officially distributed premium air conditioning brands:
- Ceiling cassette air conditioners – Space-saving and aesthetically pleasing cooling solutions, suitable for offices, hotels, and restaurants.
- LG Cassette Air Conditioners – Equipped with advanced inverter technology, uniform 4-way airflow distribution, and superior energy-saving performance.
- Daikin Cassette Air Conditioners – A world-leading Japanese brand, durable, quiet operation, with capacities ranging from 9,000 BTU to over 50,000 BTU.
- Mitsubishi Heavy Ducted Air Conditioners – Ideal central air conditioning solutions for large spaces with uniform air distribution and optimal cooling efficiency.
- LG Multi Air Conditioners – One outdoor unit connected to multiple indoor units, reducing investment costs and offering flexibility for apartments and multi-room offices.
- Panasonic Cassette Air Conditioners – Featuring nanoe™X air purification technology, ultra-quiet operation, and intelligent airflow distribution, suitable for premium spaces.
In addition, DNA also supplies humidity balancing machines, freezers, display chillers, fresh air supply systems for apartments, and refrigeration accessories and materials.
Services Provided
✔ Consulting on suitable air conditioning solutions based on space and budget
✔ Design and turnkey installation of air conditioning and ventilation systems
✔ Supply and distribution of genuine refrigeration equipment
✔ Periodic maintenance, servicing, and repair of air conditioning systems
✔ M&E refrigeration contracting services for construction and interior contractors