The LS Electric H100+ Fan & Pump VFD is engineered specifically for HVAC and pumping applications, delivering smarter control, modern BAS communication, and built‑in protection features that keep systems running efficiently and reliably. With application‑focused modes like lead‑lag sequencing, soft‑fill operation, and multi‑motor control, the H100+ gives contractors and engineers a dependable drive designed for real‑world fan and pump demands. WD Engineering Sales proudly represents LS Electric locally, supporting product selection, technical guidance, and project needs across the region.

Song Chuan delivers one of the industry’s most versatile relay portfolios, offering high‑power, PCB, automotive, and specialty relay solutions for appliances, HVAC systems, vehicles, and industrial equipment. Their focus on reliable electromechanical switching makes them a trusted choice for manufacturers across multiple markets.

Song Chuan relays play a critical role in keeping today’s white‑goods appliances running safely and reliably. From refrigerators and washers to ovens, dishwashers, and HVAC equipment, their high‑performance relay solutions support the motors, compressors, pumps, and heating elements that power everyday household tasks. Manufacturers trust Song Chuan for long life, strong electrical endurance, and dependable switching across all major appliance categories — making them a go‑to choice for modern appliance designs.

Pfannenberg offers one of the industry’s most complete thermal management portfolios — from Filterfans® to closed-loop cooling units and air/water heat exchangers. Each solution is engineered to protect sensitive electronics from heat, contamination, and harsh industrial environments. Here’s a quick overview of their cooling systems.

Pfannenberg’s PWS Series Air/Water Heat Exchangers offer a reliable, energy‑efficient cooling solution for electrical enclosures in harsh industrial environments. Designed for high heat, washdown, and contaminant‑heavy conditions, the PWS Series uses facility‑supplied chilled water to deliver closed‑loop protection and consistent thermal performance.