DONG GUAN TECH FREE AIR CONDITIONING MFY., Ltd. was founded in 2001, is a Taiwan, Hong Kong and Macau sole proprietorship. To Cope with the market needs, quality demands and company development, privately owned 1st, 2ND & 3rd phase manufacturing plants, with total area over 250, 000 sqf, it had greatly improved the production capacity, logistics efficiency and working environment.

Factory had obtained production license which is Issued by the China Government and quality system had been accredited by ISO 9001. TF series products not only comply to National Standard GBT14294, but also tested & Certified to EN1886: 2007, AHRI 410, AHRI 1350 and comply to a series of BS476 fire standard.

With more than 20 years experiences in design and manufacturing HVAC products. "TECH FREE" engineering team can offer the best on HVAC one stop solution to our customer, from system design, product development & Control logic to software programming…

"Tech Free" keeps pace on technology evolution, to achieve precise, stable, durable & Energy save. Resources had been input for the last 10 years on "Green" product research and development, nowadays launched products including Dual system heat recovery unit, Fresh air dehumidifying unit, Heat pipes, Heat recovery unit & Variable refrigerant system.

"Tech Free" co-operates with many international branded HVAC components companies, introducing advance and the latest technologies by regular meetings & Seminars. To keep up to date on product application, various activities such as factory visit, product launch seminar, and laboratory test are being held and conducted to institutes', associations and engineering firms.

"TECH FREE" products has been widely sold to China, Hong Kong Macau and has been successfully explored new markets and distributed to oversea countries, such as Singapore, Bangladesh, Indonesia, US, Myanmar, Philippines in recent years.