The self-developed G3.3.3 High Efficiency Air-side System Simulator (the “G3 Simulator”) provides an intuitive way to understand VAV (Variable Air Volume) systems in HVAC training.It fully replicates the complete air-side system control logic—from supply air, temperature and humidity control, and outdoor air control to seasonal changeover. This article will break down the core operating sequence in a single, clear overview.1.Variable Frequency Fan Control (Constant Static Pressure Control)The G3 Simulator adopts a constant static pressure control strategy:The system continuously monitors...

Royal Service recently hosted an intensive, multi-day training session at its state-of-the-art facility, marking the completion of the latest Active Training certification for its global partner network.The program was designed to provide technical experts and distributors with deep-dive Simulator knowledge of Royal Service’s advanced High Performance air distribution applications and related IAQ technologies. The curriculum focused on the installation, configuration, and IAQ optimization....

Compatibility and Connectivity Updates:As part of this rollout, Royal Service is committed to delivering open-protocol solutions that leverage the power of Niagara 4. However, the company is also providing transparency regarding hardware compatibility to ensure seamless field implementation....

Key Highlights● Industry and legislators are continuing to strive to increase the awareness of IAQ as a vital public health issue, with research showing significant societal benefits from healthier buildings;● Indoor environments are often more polluted than outdoor air, affecting millions of Americans, especially those with allergies and asthma;● Existing standards and solutions, such as ASHRAE guidelines, can improve IAQ effectively but require broader adoption and public support;● Facility managers and policymakers play crucial roles in maintaining healthy indoor environments throug...

The Smart Variable Air Diffuser (SVAD) has received another significant upgrade. Evolving from Version 2.2 to Version 3.3.3, this release introduces significant software enhancements along with expanded hardware capabilities.New features include infrared remote control, dual-band 5G Wi-Fi connectivity, Window Switch energy-saving integration, and flexible property management control modes. Together, these enhancements further improve the intelligence, energy efficiency, and security of building automation systems, providing smarter and more reliable airflow control for modern buildings.Control...

With hope and determination, Royal Service Air Conditioning begins a new journey. Together, we aim for a year of achievement and success.Opening Ceremony – Drums of ProgressOn February 26, 2026, President Ken Yu led all staff at our Guangzhou HQ to kick off the Year of the Horse, with drums and celebration marking a fresh start.Prayers for ProsperityTraditional offerings, including a roasted pig, symbolized health, energy, and good fortune for both our team and the company. Employees offered incense and toasts, sending their wishes for a successful year.Lion Dance – Bringing Good LuckThe �...

From February 2 to 4, the global HVACR Expo (AHR Expo) was held in Las Vegas, USA. Royal Service made an impressive appearance at the event, showcasing cutting-edge technologies and innovative achievements alongside more than 1,800 HVACR companies from around the world.As one of the world’s largest and most comprehensive professional trade shows for HVACR (Heating, Ventilation, Air Conditioning, and Refrigeration), this year’s expo gathered leading industry enterprises and professional attendees from across the globe, attracting over 50,000 visitors. This clearly demonstrates its influence...

ASHRAE JOURNALWe are pleased to announce that Royal Service will be exhibiting at the 2026 AHR Expo in Las Vegas, with this exciting news already highlighted by the industry’s most authoritative publication—ASHRAE JOURNALIn the 2026 AHR Expo Product & Show Guide published by ASHRAE Journal, our exhibitor information and featured products are showcased on Page 35.Why ASHRAE JOURNAL MattersPublished by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), ASHRAE Journal is one of the most influential technical and trend-setting publications in the global HVA...

With growing attention on greener buildings and smarter energy use, the air-conditioning field is placing a strong focus on developing more innovative system solutions.In this article, we take a closer look at a highly efficient Underfloor VAV System and explore how its unique design delivers both significant energy savings and improved indoor comfort.The Underfloor VAV system uses a “supply from below and return from above” airflow strategy. Fresh air is delivered through the underfloor plenum directly into the occupied zone, and as the warm air naturally rises, it returns through the cei...

In modern architectural design, both the aesthetics and functionality of ceiling air diffusers are equally important.The RS continuous linear VAV diffuser features an integrated, elongated form that removes the visual clutter of traditional segmented installations, resulting in a cleaner and more cohesive ceiling appearance.Flexible Combination with Similar or Dummy Diffusers: Supports seamless connections between linear VAV diffusers and can also be paired with dummy diffusers to accommodate various length requirements. The joint structure is clean and straightforward, ensuring both installat...