AIR DOORS
Since 1974, the founders of HCR set out to find a better solution for moving traffic through cooler and freezer doors
Using a completely fresh engineering approach and the principles of psychrometrics, the refrigeration engineers at HCR developed new technologies that pioneered the re-circulatory air door industry. Today, with more than 40 years of field experience, HCR has gone from the drawing board to application, from a basic idea to reality and has proven itself with thousands of successful installations worldwide inside the facilities of the largest, most demanding and cost conscious grocery and food distribution centers, food processing plants, refrigerated warehouses, and retail grocery stores.
HCR technology makes the appeal of an unencumbered, wide open doorway for your workers to move about freely, safely, and efficiently a reality.
HCR technology reduces or eliminates the problems associated with traditional doors
The benefits of HCR in your facility are visibly dramatic through the elimination of frost and ice and additionally remarkable in safely increasing productity. When applied to large freezers with high-traffic or problematic doors, fully operational HCR units are essentially the same as adding refrigeration capacity.
Merchandise movement is significantly increased allowing you to maximize facility output. Safety concerns are reduced due to the clear visibility of the open doorway, the removal of frost and ice on the floor, and the elimination of moving door parts. HCR makes the appeal of an unencumbered, wide-open doorway for your workers to move about freely and efficiently a reality.
Look Alike Doors Don’t Perform Alike
HCR has proven itself in side by side engineered studies against competitors. In cooler applications, HCR’s superior technology typically achieves much greater efficiency in reducing 2 way air exchange. When freezer solutions are compared, HCR is typically found to use at least half the energy of their competitors as well as achieving much greater reduction in 2 way air exchange. HCR employs a unique combination of different engineering disciplines to achieve their results that competitors simply do not possess.
In 2010, HCR further proved out the efficiency of their recirculatory air door technology at Creative Thermal Solutions (CTS) test labs in Urbana Illinois. The results verified that the HCR Model AC (single Air Door) is 80% energy efficient when stopping air infiltration and energy transfer between rooms with different temperatures.
CTS Labs is an independent third-party laboratory that concentrates its performance testing in industries that require specialized heating and cooling needs. The lab focuses on products offering environmental sustainability, increasing energy efficiency, and reducing energy consumption. CTS Labs is one of the few test facilities in North America that can provide credible confirmation of advertised performance specifications.
The performance analysis completed on the HCR Air Door included:
- Quantify the performance of an HCR horizontal stream re-circulatory air door.
- Compare the performance of the air door to an opening with no air door.
- Document the door’s performance by independently measuring total energy input on the hot and cold sides of a calorimeteric environmental chamber when steady state conditions are reached.
No other recirculatory air door manufacturer has ever done anything similar. As a result, HCR then wrote and presented a white paper of its findings at the national conferences for both RETA and IIAR. By doing this, HCR became a main stream solution embraced by refrigeration engineers throughout North America.
Double Conditioned Air Vestibule - ADS-401
The Model DCAV uses two recirculatory air curtains, creating an air vestibule between the two air streams where the air is captured and treated to a non-frost, non-fog state. The Model DCAV automatically adjusts as conditions change to optimize performance and reduce energy consumption. With the use of HCR sensors and software, Model DCAV can be integrated into a facility’s refrigeration control and monitoring system. This allows not only remote monitoring but remote adjusting of the HCR equipment. Features No frost, fog or icing Eliminates safety hazards No haze within cold room Reduced maintenance costs No frost on stored products Reduced refrigeration loss Reduced coil defrosting burden Increased warehouse productivity Improved refrigeration cycle efficiency Sublimates existing frost build-up Double Conditioned Air Curtain Vestibule, Freezer To Cooler Specifications: Supply where indicated on plans HCR Model DCAV Air Vestibule for doorways between Freezers and Coolers. Air Door to be powder coated cold-rolled steel. Powder coating meets 500 hour salt spray test. NEMA 1 Power/control panel complete.
PCAV Push-Thru Conditioned Air Vestibule - PCAV 335
A conditioned air vestibule that uses a push-to-open versus a motorized opening. Patent Pending Features Reduces defrost cycles by 50 to 75% Prevents extreme temperature fluctuations Dramatically reduces maintenance costs Eliminates ice on the product Removes slip hazard Decreases clean up labor Typical return on investment less than 1.5 years The Model PCAV® is an air vestibule for freezers that dramatically reduces moisture infiltration into walk-in freezers, while reducing temperature loss when the door is left open. The Air Door also eliminates ice problems, resulting in less evaporator maintenance and general ice cleanup, all providing a quick return on investment.
Model ECAV Frost-Free Airlok-Door - ECAV 375
The Model ECAV consists of two fast-acting strip doors that create a vestibule for conditioning air and an electrically or hot-gas heated anti-frost air-conditioning (AFC) section with automatic temperature control. The ECAV is designed for medium to light-traffic freezers and high humidity situations.
ASSD Fast-Acting Traffic Door - Model ASSD
The Model ASSD is a swift opening and closing motorized strip-door. Strip-door operation is easily adjusted to suit traffic speed. Features May be mounted inside the doorway or within the door jamb Recommended for doorways subjected to infiltration due to temperature differences Fully-lapped fixed strips retain 95% effectiveness Clear plastic strips significantly outlast push-through strips For negative pressure applications under 1 MPH flow-through velocity Can be used between 2 freezers without requiring any heat.
Model 3CAV Triple Conditioned Air Vestibule - ADS-402
The Model 3CAV is primarily used between rooms with extreme temperature differences and very high traffic. The frost elimination cycle is similar to the Model DCAV but the additional vestibule improves efficiency as well as increases the model’s temperature range applicability. The Model 3CAV automatically adjusts as conditions change to optimize performance and reduce energy consumption. With the use of HCR sensors and software, Model 3CAV can be integrated into a facility’s refrigeration control and monitoring system. This allows both remote monitoring and remote adjusting of the HCR equipment.
TCAV Touch-Thru Conditioned Air Vestibule - TCAV-335
A small conditioned air vestibule with touch opening capability. Features Vestibule using non-motorized traffic doors. Typically for personnel use.
Hybrid AC and CAC w/VersaFlex™
Achieve the next level of efficiency by adding an HCR Model AC or CAC to your existing door. Perfect for high-traffic doorways where ice and infiltration are a challenge, an HCR Air Door provides another layer of protection to assure that the opening remains accessible for workflow, yet closed for costly air infiltration and energy efficiency. Features Maximizes the energy efficiency of an insulated Hittable Bi-Parting or Single Sliding Door Significantly reduces moisture infiltration Significantly reduces air exchange between rooms of differing temperature AC and CAC is retrofitable to existing Bi-Parting or Single Sliding Doors Additional air doors can be added to keep maximizing energy efficiency Warm side or cold side mount.
Hybrid: AC and CAC w/Roll-up Doors
By combining an air door with your currently installed door, you are assuring an efficient air block when your hard door is open, reducing cold air loss and decreasing the problems associated with high-traffic openings, such as ice and safety concerns. Features Maximizes the energy efficiency of a roll-up door Effectively reduces moisture infiltration Significantly reduces air exchange between rooms of differing temperature HCR Model AC and CAC is retrofitable to existing roll-up doors of any brand Additional air doors can be added in a modular process to keep maximizing energy efficiency as door open time increases Warm side or Cold side mounts.
CAC Negative Pressure Air Curtain - ADS-403
he basic NPAC model is made to counteract the one-way flow-through forces caused by negative building pressure or by wind effects. Features Single Nozzle and Intake Proprietary Nozzle Design Greatly Diminishes One-Way Air Flow Caused By Building Air Imbalances Horizontal, Curvilinear, Recirculatory Air Flow Powder Coated Steel Metal Clad Insulation When Required Supply where indicated on plans HCR Model NPAC Air Door for doorways with low temperature differentials and or for temperatures above freezing. Air Door to be powder coated cold-rolled steel. Powder coating meets 500 hour salt spray test. NEMA 1 Power/control panel complete. Model NPAC equipment cabinet houses the centrifugal fan, fan motor, fan drive components, and prewired electrical components. Service door(s) are provide, if required, to allow access to all internal components. Motor is controlled by VFD (Variable Frequency Drive). Single point electrical connection.
CAC Air Curtain - ADS-400
The Model CAC Air Curtain is for applications where temperatures and humidity exceed the limits of our Model AC. A heater unit is added to condition the air as it mixes inside the vestibule. The Model CAC automatically adjusts as conditions change to optimize performance and reduce energy consumption. With the use of HCR sensors and software, Model CAC can be integrated into a facility’s refrigeration control and monitoring system. This allows not only remote monitoring but remote adjusting of the HCR equipment. Features Single Nozzle And Intake Proprietary Nozzle Design Greatly Diminishes Air and Moisture Infiltration Horizontal, Curvilinear,Recirculatory Air Flow Powder Coated Steel Metal Clad Insulation When Required Cooler or Ambient Door Specifications Supply where indicated on plans HCR Model AC Air Door for doorways with low temperature differential and or for temperatures above freezing.
AC Air Curtain - ADS-400
Model AC is HCR’s basic unit — Horizontal, Curvilinear, and Recirculatory. Its air stream produces counter-flow forces equal and opposite to the two-way flow-through forces caused by air temperature differences. Features Wide open environment while maintaining temperature Significantly reduces two-way air exchange Greatly diminishes air infiltration Mixes air at the interface between room air and the air curtain’s air stream For open doorways between cooler-to-cooler, cooler-to-ambient, and freezer-to-freezer Available in stainless and powder-coat finishes Can be used between two freezers without requiring any heat Model AC is HCR’s basic unit — Horizontal, Curvilinear, and Recirculatory. Its air stream produces counter-flow forces equal and opposite to the two-way flow-through forces caused by air temperature differences.
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