Critical Systems

Critical Systems is one of the fastest-growing engineering services firms in the DC, Maryland, Northern Virginia, and New England markets. As a representative and agent of HVAC manufacturers from all over the world, we offer products, knowledge, and services to forward-thinking building owners, architects, engineers, and development and construction teams to meet their current and future challenges.
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Drew Foard
Jason Kaduk
Kelly Ebner
Our Product Lines
Fans - Quiet, high efficiency plenum fans
Heat Transfer Products - Cooling and heating coils for all applications
Cooling Solutions - Vertical classroom unit ventilators
Ductless Solutions - Integrated zoning solutions for Samsung
Energy Recovery - Custom designed energy recovery ventilators
Custom Cooling Solutions - Critical mission and process cooling chillers
Packaged Plants - UL packaged chiller plants and pumping systems
Critical Process Cooling - Active desiccant dehumidifiers
Controls - Automated control systems
Heat Transfer - Fluid coolers, air cooled condensers, and custom coils
Air Cleaning - HEPA, ULPA, and bi-polar ionization products
Geothermal and air-to-water heat pumps
Custom AHUs - Custom air handling units
DOAS Solutions - Outdoor air units with energy recovery and variable speed compressors
Custom AHUs - Custom air handling and fan coil units
Custom Cooling Solutions - Commercial refrigeration and agriculture cooling systems
Air Distribution - VAV, fan coils, and portable HEPA units
Controls - BAS, open protocol, and integration
Cooling Solutions - Unit ventilators and air handlers
Custom Cooling Solutions - Specialty chillers, custom air handling, and dehumidification units
Humidifiers, Duct Heating - Duct heaters and humidifiers
Cooling Solutions - Vertical stack water source heat pumps and hybrid water source heat pumps
Air Cleaning - NBC containment filtration
Custom cooling solutions - Packaged DX units, chillers, and air handlers
Pool Dehumidification - Natatorium dehumidifiers
Heating Solutions - Electric heating products
Heating Solutions - Induction fan coils and air handlers
Ductless Solutions - Variable refrigerant flow systems, ductless systems, modular air cooled chillers, and ERV's
InRow chilled-water and direct-expansion CRAC's
Energy Recovery - Energy recovery wheels and desiccant wheels
Energy Recovery - Wastewater heat recovery systems
Heating Solutions - Hydronic heating solutions
Energy Recovery - Laboratory exhaust and high plume exhaust systems
Cooling Solutions - Fan coil units and blower coil units
Air Handling Units - Air handlers and fresh air ERV's
Air Handlers - Custom air handling units and heat recovery
Air Handling Units, Dehumidification - Water cooled packaged heat pumps and dehumidifiers
Cooling Towers - Modular cooling towers
Air Cleaning - UV-C air disinfection and hvac efficiency technologies
Variable Frequency Drives - VFDs