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• Temperature Calibration & Control
• Transportation

• • Heat Pipes for Thermal Management
    • Heat Pipe Assemblies
    • HiK^TM Plates
    • High Temperature Heat Pipes
    • Vapor Chamber Assemblies
  • Spacecraft Thermal Control Products
    • Constant Conductance Heat Pipes
    • Space Copper Water Heat Pipes
    • Variable Conductance Heat Pipes
    • Loop Heat Pipes
    • Accumulators for Pumped Fluid Systems
  • Embedded Computing Solutions
    • HiK Plates and Conduction Cards
    • Liquid Cold Plates
    • ICE-lok Thermally Enhanced Wedgelock
    • PCM Heat Sinks
  • Pumped Two Phase Cooling Solutions
  • PCM Heat Sinks
  • Tekgard ECUs & Chillers
    • Environmental Control Units
    • Liquid Cooling and Chiller Systems
    • Maintenance & Services
  • Sealed Enclosure Coolers
    • ACT-HSC Heat Sink Coolers
    • ACT-HPC Heat Pipe Coolers
    • ACT-TEC Thermoelectric Air Conditioner
    • Vapor Compression Air Conditioner
    • Order Online
    • Selection Tool
  • HVAC Heat Exchangers
    • WAHX Passive Split Loop Thermosyphon Heat Exchanger System
    • Air-to-Air Heat Pipe Heat Exchanger
    • AAHX Passive-Split Loop Thermosyphen Heat Exchanger System
    • AAHX Pump Assited Split Loop Thermosyphon Heat Exchanger
    • Passive Heat Pipe Heat Recovery Ventilator (HRV)
  • Loop Thermosyphon
  • Thermal Technical Services
  • ICE-lok Thermally Enhanced Wedgelock
  • Liquid Cold Plates – Custom
  • Furnace Liners and Blackbody Cavities
    • Ultra High Temperature Isothermal Furnace Liners (IFLs) for Copper Freeze Point Cells
    • IFL Systems for Materials Processing
    • Pressure Controlled Heat Pipe Furnace
    • Heat Pipe Blackbody Cavity
  • Custom Thermal & Mechanical Systems
    • Fluid Loops
    • Test Rigs

• R&D
  • Advanced Heat Pipes and Loop Heat Pipes
    • Intermediate Temp Heat Pipes
    • High Temperature Heat Pipes
    • Heat Pipe Loops
    • Heat Pipe Life Tests
      • Process Control Life Tests
      • High Temperature Water Heat Pipe Life Tests – 150°C to 300°C
      • High Temperature Heat Pipes
  • Coatings
    • Applied Nanoscale Corrosion Erosion Resistant (ANCER™) Coatings
    • Boiling Enhancement/Micro-Porous Coatings
    • Self-Assembled Monolayer (SAM) Coatings for Condensation Enhancement
    • Plasma-Enhanced Chemical Vapor Deposition (PECVD) Coatings
  • Advanced Computational Methods & Modeling
    • Advanced CFD for Reactive Flows
    • Ab-initio and Molecular Dynamics Methods
    • Reactive Molecular Dynamics Methods
    • Peridynamics-Based Meshless Modeling
  • Heat Exchanger Technology
  • Combustion and Synfuels
    • Swiss Roll Combustors
      • Fuel Reforming with Swiss Roll Combustors
    • Combustion Enhancement with Catalysts
    • Solar Powered Generation of Synfuels
    • Fuel-Flexible Hybrid Solar Coal Gasification Reactor
    • Stabilized Nanofluids for Enhanced Combustion Energy
  • Pumped and Single Phase Cooling
    • Phase Separation
    • Hybrid Two Phase Loop
  • Thermal Storage Innovations
    • On-Chip Thermal Storage for Pulsed Power (Smoothing)
    • Power Plant Cooling (Increase in Cooling Capacity)
    • Thermal Storage with Venting 
      • Single Use Vapor Venting Systems for Thermal Storage (One to a Few Cycles)
      • Hydride Thermal Storage
        • Hydride Thermal Storage for Multiple Cycles (Dampening)
        • Single Use Hydride Venting Systems for Thermal Storage (One to a Few Cycles)

• Resources
  • Calculators and Selection Tools
    • Heat Pipe Calculator
    • PCM Heat Sink Calculator
    • Enclosure Cooling Selection Tool
    • Air-to-Air Heat Pipe Heat Exchanger (HP-AAHX) Selection Tool
    • Wrap Around Heat Pipe Heat Exchanger (WAHX) Selection Tool
  • Heat Pipe Resources
    • Heat Pipe FAQ
    • Different Types of Heat Pipes
      • Standard Heat Pipes (CCHPs)
      • Variable Conductance Heat Pipes (VCHPs)
        • VCHPs for Passively Controlling Temperature
        • VCHPs for Over-Temperature Protection
        • VCHPs for Variable Thermal Links
        • Gas Loaded Heat Pipes for Start Up from a Frozen State
        • VCHP Heat Exchangers
      • Pressure Controlled Heat Pipes
        • PCHPs for Precise Temperature Control
        • PCHPs for High Temperature Power Switching
      • Vapor Chambers
      • HiK™ Plates
      • Heat Pipe Heat Exchangers
        • VCHP Heat Exchangers 
      • Diode Heat Pipes
      • Thermosyphons
        • Loop Thermosyphon
      • Rotating Heat Pipes
      • Rotating HiK™ Shafts
        • Freeze / Thaw
        • Frozen Start-up
        • Shock
        • Vibration
        • Acceleration
          • Heat Pipe Materials, Working Fluids, and Compatibility
            • Working Fluids
              • Merit Number and Fluid Selection
              • Fluid Operating Temperature Range
            • Fluid/Envelope/Wick Compatibility
              • Compatible Fluids and Materials
                • Life Tests
                  • Process Control Life Tests
                  • High Temperature Water Life Test
                  • Intermediate Temerpature Fluids
                • Examples of Incompatible Fluid/Envelope Pairs
    • Heat Pipe Design Guide
    • When to Use Heat Pipes, HiK™ Plates, Vapor Chambers, and Conduction Cooling
      • Baseline Aluminum Conduction Cooling
      • Water Heat Pipe Parameters and Limitations
      • Spot Cooling Heat Pipes
      • HiK™ Plates
      • Vapor Chambers
      • Encapsulated Conduction Cooling
      • Case Studies Comparing Conduction Cooling Plates, HiK™ Plates, Vapor Chambers, and Encapsulated Conduction Cooling

• • Pumped Two Phase Cooling Resources
    • Pumped Two Phase (P2P) FAQs
    • Pumped Two Phase Products
  • Thermal Storage Resources
    • PCM Heat Sink Calculator
    • PCM Heat Sink FAQ
  • Case Studies
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  • Papers
  • Patents
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• Contact ACT
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Energy Recovery Products

• • ACT-HVAC Systems
  • Technology
    • Heat Pipe Technology for Energy Recovery
    • Air-to-Air Heat Pipe Heat Exchanger
    • Passive-Split Heat Exchanger System
    • Passive Heat Pipe Heat Recovery Ventilator (HRV)
    • Wrap-Around Enhanced Dehumidification Heat Pipe Heat Exchanger
    • ACT Thermal Passive Valve
  • Case Studies
  • Resources
    • ACT Energy Recovery News
    • Energy Recovery Rebates & Incentives by State
  • Selection Tools
    • Air-to-Air Heat Pipe Heat Exchanger (HP-AAHX) Selection Tool
    • Wrap Around Heat Pipe Heat Exchanger (WAHX) Selection Tool
  • Contact HVAC Representatives

Enclosure Cooling Products

• • ACT Enclosure Coolers
  • Products
    • ACT-HSC Heat Sink Coolers
    • ACT-HPC Heat Sink Coolers
    • ACT-LNC Low Noise Coolers
  • Resources (Data Sheets and Specs)
  • Selection Tool
  • Order Online
  • Contact Us
    • Find a Rep
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