News List

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 p

ASHRAE JOURNAL We 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 JOURNAL In 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 Matters Published by the American Society of Heating, Refrigerating and Air-Conditioning Engi

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

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 diffu