Products are designed with exacting specifications and innovative features that wear well over time. Equipment is easy to access and service for better long-term performance and a longer life. The two-stage gas valve will frequently operate in first stage, resulting in less noise as well as lower energy costs. In addition, the variable-speed inducer starts and runs quieter than typical inducers.

Source: ACHR News (a part of news report)

http://www.hiross.org 海洛斯精密空调ㄍ海洛斯机房空调