Simple and reliable flat deck heat rejection systems featuring vertically discharged airflow for efficient operation and flexible installation across a wide range of condenser and fluid cooler applications.
Products
Supercritical Gas Coolers
Engineered for transcritical CO₂ refrigeration systems, Colmac Coil supercritical gas coolers provide efficient heat rejection for high-pressure industrial and commercial applications. Available in flat deck, V-bank, and adiabatic configurations, these systems are designed to support evolving sustainability goals while delivering flexible installation options, optimized thermal performance, and reliable operation across a wide range of ambient conditions.
Applications
Industrial Refrigeration
Cold Storage Warehouses
Food & Beverage Processing
Distribution & Logistics Facilities
Ice Rinks
Chemical Processing
Refrigerated Warehousing
Process Cooling Systems
HVAC & Commercial Cooling
Data Center Cooling
Pharmaceutical Manufacturing
Petrochemical Facilities
Heat Recovery Systems
CO₂ Refrigeration Systems
Ammonia Refrigeration Systems
Mining & Heavy Industrial Facilities
Fan Options
EC Fans
High-efficiency EC fans with integrated speed controllers available in multiple sizes and performance configurations. Composite fan blades standard. Power range from 2.1 kW - 3.5 kW.
AC Fans
Robust and versatile AC fan systems with motor sizes ranging from 1.5 hp to 5 hp and fan diameters from 30" to 48". Available with composite or aluminum fan blades.
Materials of Construction
Tube Materal
304 stainless steel tubing
316 stainless steel tubing
Fin Material
Aluminum
Epoxy coated aluminum
304 stainless steel
Casing Material
G-235 galvanized steel
304 stainless steel
316 stainless steel
Features & Upgrades
Fan Speed Controller
Improved energy efficiency and sound control through variable fan operations and system loads.
Control Sensors
Addition of ambient temperature, and leaving fluid pressure sensors to base controller setpoints.
Snow Hood
Protects unit operation in snow and severe weather environments.
Inlet Air Filters
Available in multiple filtration styles for protection against finer debris like cottonwood and insects, or larger debris like birds and more.
Header and Return Bend Covers
Added protection for piping components and improved unit appearance.
Certifications & Warranties
ASME "U" Stamp
ASME Section VIII requirements for pressure-containing equipment
CRN/CSA
Canadian Registration Number (CRN) and CSA certifications available for applications requiring compliance with Canadian pressure vessel and refrigeration equipment regulations
UL 207
UL 207 standards for refrigerant-containing components and accessories, verifying compliance with recognized refrigeration system safety requirements.
Warranty
Colmac Coil warrants its products to be free from defects in materials and workmanship under normal operating conditions. Standard warranty coverage includes repair or replacement of defective components in accordance with Colmac warranty terms. Pressure-bearing stainless steel coil components manufactured in accordance with ASME B31.5 are eligible for extended warranty coverage of up to five years from shipment date.
Unit Configurations
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A+OV Unit Configuration
A+OH Unit Configuration
Horizontal airflow heat rejection systems designed for applications requiring flexible installation layouts, efficient operation, and reduced height profiles across condenser and fluid cooler applications.
A+V Unit Configuration
Compact twin-coil V-bank heat rejection systems are engineered to maximize capacity density while reducing installation footprint through side air intake and vertical discharge airflow.
A+VA Unit Configuration
Twin-coil adiabatic V-bank heat rejection systems combining dry and wet operation to maximize thermal performance while reducing energy and water consumption.