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38 Years
experience
Modular HVAC Systems for Challenging Installations
Since 1988, United CoolAir has specialized in innovative HVAC solutions designed to address complex installation challenges. Our modular equipment is engineered to fit through standard 36-inch doorways, eliminating the need for structural modifications, cranes, or field cutting. This all-indoor design approach preserves building integrity while reducing installation costs and timelines. Our systems incorporate resealable refrigerant fittings to maintain factory charges during assembly, avoiding field brazing and refrigerant loss. With tens of thousands of units deployed globally, we serve commercial, historical, and space-constrained environments where traditional outdoor equipment is impractical. Our patented modular construction combines energy efficiency with durability, featuring advanced components like variable capacity compressors, ECM fans, and BACnet controls.

We prioritize ease of maintenance through accessible designs and standardized parts, ensuring long-term operational reliability. Our team leverages decades of experience in HVAC engineering to deliver tailored solutions that meet evolving industry standards for sustainability and performance. Clients benefit from reduced total installed costs, protection against weather damage, and compliance with modern energy codes. As a trusted partner, we provide comprehensive support through detailed product documentation, technical resources, and a dedicated sales representative network.
Services
DOAS Systems Modular HVAC Units Temporary Cooling Energy Recovery Systems HVAC Renovation Solutions
Details
  • Year established: 1988
Highlights and features
  • Our modular design fits through standard 36" doorways
  • Eliminates need for structural modifications or cranes
  • Resealable refrigerant fittings maintain factory charges
  • Specialized in historical building HVAC retrofits since 1988
  • Energy recovery systems exceed ASHRAE efficiency standards
Services
DOAS Systems
Dedicated Outdoor Air Systems provide precise ventilation control while maintaining energy efficiency. Our units deliver neutral air temperatures at low dew points, exceeding ASHRAE 90.1 efficiency requirements. Ideal for commercial buildings requiring strict humidity control and energy recovery.
Modular HVAC Units
Self-contained modular systems simplify installation in challenging spaces. Units ship in sections that assemble on-site without field brazing. Available in air-cooled and water-cooled configurations with capacities from 15 to 90 tons for commercial applications.
Temporary Cooling
Trailer-mounted and skid-mounted cooling systems provide emergency or seasonal HVAC support. Units range from 12 to 30 tons with electric heating options. Designed for easy transport through standard doorways and quick field deployment.
Energy Recovery Systems
Integrated energy recovery wheels and heat exchangers reduce operating costs by capturing waste energy. Systems achieve ISMRE 11.1 and ISCOP 8.0 efficiency ratings, optimizing performance in demanding climate conditions.
HVAC Renovation Solutions
Specialized equipment for building renovations and historical preservation projects. Modular designs eliminate structural modifications while maintaining modern HVAC performance standards. Includes ceiling-hung and floor-mounted configurations for limited-space applications.
Questions
What makes United CoolAir's systems different from traditional HVAC?
Our modular, all-indoor design eliminates outdoor equipment requirements, reducing installation costs and weather-related maintenance issues.
Can your systems fit in buildings with limited access?
Yes, our modular units are specifically designed to fit through standard 36" doorways without requiring structural modifications.
Do you offer energy-efficient solutions?
All systems incorporate energy recovery technology that exceeds ASHRAE efficiency standards, reducing operating costs by up to 30%.
Are your products suitable for historical buildings?
Yes, our non-invasive installation method preserves architectural integrity while providing modern HVAC performance in heritage structures.
What support do you provide for installations?
We offer comprehensive technical documentation, BACnet controls integration, and a dedicated sales representative network for project support.
Do you provide temporary cooling solutions?
Yes, we offer trailer-mounted and skid-mounted temporary units ranging from 12 to 30 tons for emergency or seasonal HVAC needs.
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