Design services in the HVAC field are the core business of Firsquare. The company has brought together a group of design elites deeply engaged in fields such as marine and offshore engineering, as well as oil, gas, and chemicals. Most team members possess over 10 years of HVAC design experience. With rich technical expertise and creative design thinking, Firsquare provides clients with professional and efficient design services. In terms of service scope, the company covers two core sectors: Detailed Design and Production Design:

Firsquare provides clients in industries such as marine, offshore engineering, the nuclear industry, onshore oil and gas, and data centers with full-process construction and project management services, ranging from project planning to system commissioning. Relying on a professional team and a strict management and control system, we ensure the efficient implementation of projects and the stable operation of systems.

Air duct cleaning is a core component of the operation and maintenance management of HVAC (Heating, Ventilation, and Air Conditioning) systems. Firsquare provides you with a closed-loop duct cleaning solution covering the entire process of "Inspection - Cleaning - Verification."

Firsquare provides professional and highly accurate HVAC duct leakage testing services. This service is widely applicable to spiral duct systems, rectangular duct systems, and various mixed duct systems. Through scientific testing methods, we are committed to helping customers verify the manufacturing and installation quality of ductwork, reduce system energy consumption, and ensure the efficient and stable operation of ventilation systems.