About Us
ABOUT US
Trusted Engineering PartnerSince 1991
Zinnia Engineering Limited was founded in 1991 and has grown into a specialist in air conditioning, HVAC systems and complete engineering for office buildings, industrial factories, hospitals, hotels and real-estate development projects across Thailand.
With over 30 years of experience, we are committed to delivering high-quality solutions — from consultation, design, installation and system testing to maintenance and after-sales service — so every project operates efficiently, safely and sustainably over the long term.
We believe a project's success comes not from quality equipment alone, but from the expertise of our team, our operating standards and our accountability to clients at every step of the work.
International Quality Standards
Experienced Professional Team
Modern, Efficient Technology
Reliable After-Sales Service
Vision
To be a leading HVAC and engineering company recognized for quality, reliability and professional service.
Mission
Deliver innovative, efficient and high-quality engineering solutions with professional, dependable service.
Values
Quality · Safety · Teamwork · Professionalism · Customer Satisfaction.
Commitment
Committed to engineering excellence and long-term partnerships with every client we serve.