About Airwise

25 years building HVAC infrastructure across three continents

From a workshop in Beijing in 1996 to a global manufacturer with facilities in China, the USA, and Australia. We design our own equipment, manufacture our own products, and ship to 60+ countries.

Milestones

1996

Mr. Hu begins in HVAC with a production workshop in Beijing.

2010

Dongyang Hstube Co., Ltd established. Purpose-built factory, self-developed equipment.

2015

Sydney office + warehouse. Airwise Flex brand with AWTA certification.

2018

UL certification — one of only 3 Chinese HVAC manufacturers.

2020

60+ export countries. OEM partnerships with global brands.

2025

4,300 m² Houston, TX facility. Made in USA spiral ducts.

2026

Airwise Parts: one-stop platform, 126 products, 7 categories.

Facilities

Manufacturing HQ

Dongyang, China

  • - 5,000 m² factory
  • - 6 production lines
  • - 60–80 employees

Spiral duct fabrication

Houston, TX

  • - 4,300 m² facility
  • - Made in USA
  • - 5–10 day US delivery

Trading & distribution

Sydney, AU

  • - AWTA-certified Airwise Flex
  • - Local warehouse

Certifications

UL Listed

1 of 3 in China

CE

European conformity

M1

France fire resistance

ROSH

Hazardous substance

AWTA

AU building compliance

Responsible manufacturing

  • - Steel off-cuts recycled and reprocessed
  • - Self-developed equipment: 30% less power consumption
  • - Consolidated shipping reduces per-unit carbon
  • - ROSH compliant across all product lines

About — FAQ

Is Airwise a manufacturer or trading company?
Manufacturer. 5,000 m² factory with 6 self-developed production lines, plus 4,300 m² Houston TX facility.
Can I visit the factory?
Yes. Dongyang is ~1.5h from Hangzhou airport. Houston facility open by appointment. Contact us.
Do you offer OEM / private label?
Yes. Custom specs, branded packaging, labeling, documentation.

Ready to partner?

One-time orders or long-term OEM.