Our Company
Engineering Advanced Air Solutions for Healthier Buildings
For more than six decades, FläktGroup SEMCO has been designing and manufacturing advanced HVAC systems that improve indoor air quality, control humidity, and reduce energy consumption in commercial and institutional buildings.
Headquartered in Columbia, Missouri, SEMCO is part of the global FläktGroup organization and specializes in high-performance air treatment and energy recovery technologies. Our solutions help engineers and building owners create healthier, more sustainable indoor environments across North America and beyond.
What We Do
Specialized HVAC Solutions for High-Performance Buildings
SEMCO designs and manufactures HVAC systems focused on ventilation, humidity control, energy recovery, and indoor air quality.
From educational facilities to laboratories to data centers and beyond, SEMCO solutions support environments where air quality, reliability, and energy efficiency are mission-critical.
SEMCO provides tailored solutions for a variety of industries.
Our technologies help buildings:
- Improve indoor environmental quality
- Reduce HVAC energy consumption
- Maintain precise humidity control
- Comply with modern ventilation standards
- Deliver consistent thermal comfort
Industries We Serve
Where precise control of temperature, ventilation, humidity, and acoustics is required and low contaminant carryover is a must, SEMCO technologies set the standard.
Key sectors include:
- Educational facilities and universities
- Healthcare and laboratories
- Office and commercial buildings
- Government facilities
- Data centers and mission-critical buildings
- Public gathering spaces and arenas
- Hospitality
- Casinos
- Controlled agriculture and vertical growing
- Pharmaceutical and clean rooms
- Aerospace and marine
Core Technologies
The Engineering Behind SEMCO Air Solutions
SEMCO specializes in several advanced HVAC technologies designed to improve building performance and indoor environmental quality.
Desiccant Energy Recovery
SEMCO pioneered desiccant-based energy recovery technology that transfers both sensible and latent energy between air streams, significantly reducing HVAC energy consumption.
Energy Recovery Wheels
High-efficiency wheels pre-condition outdoor air by transferring heat and moisture from exhaust air streams, lowering heating and cooling loads.
Dedicated Outdoor Air Systems (DOAS)
SEMCO’s specialized ventilation systems provide fresh air with precise humidity control while reducing building energy demand.
Chilled Beam Technology
Active chilled beam systems provide efficient radiant cooling with minimal ductwork and improved energy performance.
Acoustic Air Systems
SEMCO manufactures acoustic enclosures, sound attenuators, and duct systems that control noise while maintaining airflow performance.
Advanced Air Handling Units
SEMCO engineers and manufactures custom and modular air handling units for demanding commercial and institutional applications.
Engineering & Innovation
Building Science at the Core
SEMCO combines deep HVAC engineering expertise with advanced research and testing capabilities.
Our engineering strengths include:
- ASHRAE-compliant product design
- Advanced ventilation and humidity modelling
- Integrated energy recovery systems
- Application engineering support for complex buildings
What Makes SEMCO Different
Why Engineers Choose SEMCO
SEMCO is set apart by its combination of specialized technologies, engineering expertise, and proven performance.
Focused Expertise in Fresh Air Systems
Industry leadership in ventilation and dedicated outdoor air systems
Energy Recovery Innovation
Advanced technologies that significantly reduce HVAC energy consumption
Integrated Air Solutions
Systems that combine ventilation, humidity control, and energy recovery
Application Engineering Support
Strong collaboration with consulting engineers and design teams
Manufacturing Excellence
High-quality manufacturing facilities in the United States
Our Values
At FläktGroup SEMCO, our work is guided by a clear set of values that shape how we design solutions, collaborate with partners, and serve our customers.
We set ambitious targets, going the extra mile to achieve them and striving for excellence in everything we do.
We challenge the status quo and are proactive in finding ways to achieve our objectives. We take initiative, work sustainably, and get things done efficiently and effectively.
We say what we deliver, and we deliver what we say. We behave with integrity and have a strong moral compass.
We work together as a team that is transparent and inclusive, and we leverage the diverse resources we have in the Group.
SEMCO at a Glance
SEMCO began as a sheet-metal fabrication company and has grown into a leading manufacturer of air movement and air quality systems serving commercial and industrial buildings worldwide.
Founded: 1963
Headquarters: Columbia, Missouri, USA
Manufacturing: Arkansas and Virginia
Employees: 300+
Manufacturer representatives: 300+
Part of FläktGroup
SEMCO is part of FläktGroup, a global leader in energy-efficient indoor air technology with operations in more than 65 countries and thousands of employees worldwide.
Together, the organization delivers:
- Global HVAC engineering expertise
- Advanced ventilation and air treatment systems
- Large-scale project support
- Sustainable building technologies
