Built on Experience.
Driven by Quality.
SEDER Airconditioning & Refrigeration Services is a professional HVAC company committed to delivering reliable, efficient and high-quality solutions for homes, businesses and industries.
A Journey of Dedication
and Excellence
Established in 2021 by Engr. Glen R. Illustrisimo, SEDER began as a one-man service shop with a big dream—to provide dependable HVAC solutions and satisfaction guaranteed service to every customer.
With years of hands-on experience in Saudi Arabia, from HVAC Technician to Supervisor and Project Manager, Engr. Glen brings industry expertise and leadership to every project.
Today, SEDER has grown into a trusted team—serving residential, commercial, and industrial clients with pride and integrity.
Experience That Builds Trust
Overseas Experience
Engr. Glen R. Illustrisimo worked as an HVAC technician in Saudi Arabia and later became Supervisor and Project Manager for major banks and institutions.
SEDER Airconditioning & Refrigeration Services
Driven by his passion and with strong support from his family, SEDER was established to provide reliable and professional HVAC services.
MARGA Air Solutions Refrigeration and Air Conditioning Company
A sister company established to offer brand new air conditioning units, free installation, and trusted after-sales support.
Committed to You
We continue to grow with experienced technicians, industry training, and trusted brand partnerships to serve you better.
Quality Service, Every Time.
Quality Solutions
We use the right tools, quality parts, and proven methods for excellent results every time.
Expert Team
Our technicians are TESDA-trained, certified, and continuously trained to stay ahead.
Integrity
We do what is right, honest, transparent, and dependable.
Customer First
Your satisfaction is our priority in every service we provide.
Trusted Brands We Install, Service & Support
