Friedrich SH20M30A

Hazardgard SH20M30A 20000 BTU Room Air Conditioner With Less Than 1% Thermal Degradation, Outstanding Chemical Resistance, Excellent Adhesion Characteristics & In White

Friedrich SH20M30A

Hazardgard SH20M30A 20000 BTU Room Air Conditioner With Less Than 1% Thermal Degradation, Outstanding Chemical Resistance, Excellent Adhesion Characteristics & In White

This product has been replaced by a newer model:
Friedrich SH20M30B ($3,749.00)

Quick Specs:

  • Width: 25.94"
  • Height: 17.94"
  • Depth: 27.38"
+ view all specifications

For more than three decades, global industry and high-tech leaders have trusted Hazardgard to provide commercial-grade cooling under the harshest conditions. You'll find durable, reliable Hazardgard room air conditioners on oil rigs and military bases, in manufacturing companies and processing plants - anywhere hazardous materials are used. Hazardgard is specifically designed to cool spaces where volatile, flammable liquids and gases are used, within enclosed systems or containers, or under extreme temperatures.  Available at AppliancesConnection


Robust engineering, commercial-grade components and extensive field testing show that Hazardgard provides the durability and safety required in hazardous locations. See the complete features list for details on what makes Hazardgard the best choice in tough operating environments.


Hazardgard is ideal for:

  • Offshore oil rigs, onshore oil company offices and refineries
  • Petrochemical sites and propane fill-up stations
  • Paint and varnish storage or processing plants
  • Grain alcohol processors or storage sites
  • Plant areas using strong solvents or chemicals
  • Munitions plants or armories
  • PVC or plastics plants and processing points
  • Recycling plants
  • Furniture refinishing/stripping workshops
  • Fertilizer plants
  • Office complexes where methane is a by product
  • Hazardous materials storage
  • Container Lab
  • For analyzer houses/shelters
  • New Luvata coil coating (model SH24M20 only)

Electrofin Benefits:

  • excellent adhesion characteristics
  • Less than 1% thermal degradation
  • Outstanding chemical resistance
  • passed 6048 hrs. ASTM B-117 Salt Spray

Electrofin meets the following:

  • MIL-C-46168 Chemical Agent resistance -DS2, HCI Gas
  • CID A-A-52474A (GSA)
  • MIL-STD 810F, Method 509.4 (Sand and Dust)
  • MIL-P-53084 (ME)-TACOM Approval
  • MIL_DTL-12468 Decontamination Agent (STB)
  • DPG (Douglas Proving Grounds) Soil & Water exposure Tests
  • GM9540P-97 Accelerated Corrosion Test (120 cycles)
  • ASTM B!!&-G*% Modified Salt Spray (Fog) Testing-2,000 hours
  • ASTM B!!& Salt Spray (tested by ARL for Lockheed Martin)

Comfort and Durability

  • Permanent split capacitor motor
  • Solid-state control relays for compressor and fan operation
  • Hermetically sealed refrigeration system
  • Environmentally sealed on/off switch and gold-plated contacts in thermostat resist corrosion
  • Hot gas bypass allows the air conditioner to operate at outdoor ambient temperatures as low as 7 C/45° F without freezing
  • Hermetically sealed reciprocating compressor is cooled during the refrigeration cycle, which allows the unit to tolerate higher outdoor temperatures up to
  • 55 C/130 F
  • Larger, commercial-grade, enclosed fan motor with hermetically sealed overload for arc-free operation. It's totally enclosed to assure efficient operation under adverse electrical conditions.
  • Unit utilizes direct-wired, 15-amp circuit with time-delay fuse that tolerates surge current without tripping the breaker
  • 22-gauge, G60 steel air conditioner cabinet is powder coated for corrosion protection and to withstand years of hard use

Sound-Reduction Technology

  • Steel inner wall blocks noise
  • Vibration-isolating design and components diminish operating sound levels
  • High density EPS foam insulation for thermal resistance and sound control

Maintenance and Installation

  • Slide-out chassis for more permanent installation and easier access for maintenance
  • Installs in a window or thru-the-wall
  • Same sleeve dimensions for 20+ years for easy replacement

Energy Management and Compliance

  • Hazardgard meets T4 temperature classification means unit surface temperatures will not rise above 135° C/275° F. (note: 50/60Hz model listed as T4A for surface temperatures to 120°C/248°F)
  • Operates at low ambient conditions without freezing at outdoor ambient temperatures as low as 7° C/45° F
  • Tolerates higher outdoor temperatures up to 55°C /130°F
  • Equipment is certified in accordance with ISA 12.12.01 and NFPA 70 (National Electric Code)
  • Class I, Div. 2, Group A and Group B Class I, Zone 2, Group IIC
  • Class I, Div. 2, Group B Class I, Zone 2, Group IIB plus hydrogen, or "+H2"
  • Class I, Div. 2, Group C Class I, Zone 2, Group IIB
  • Class I, Div. 2, Group D Class I, Zone 2, Group IIA
  • Equipment is certified in accordance with ANSI/UL 484 and SASO 2681

Safety and Security

  • Aluminum grille
  • Insect barrier
  • EntryGard anti-intrusion protection secures chassis to sleeve with steel retaining wire to deter kick-in intrusion

Health and IAQ

  • Washable, antimicrobial air filter


Model SH20M30A
Cooling Capacity (Btu/hr) 20000/19000
Heating Capacity (Btu/hr) n/a
EER 9.4/9.4
Energy Star Qualified
Unit Height 17 15/16"
Unit Width 25 15/16"
Unit Dimensions
Height 17 15/16"
Width 25 15/16"
Depth 27 3/8"
Window Dimensions
Min. height 18 1/2"
Min. width 27 7/8"
Max. width 42
In-Wall Installation
Opening height 18 3/16"
Opening width 26 3/16"
Max. wall depth 6"
Additional Measurement Information
Depth J Box to Louvers 6
Min. Extension Into Room 3 1/16"
Min. Extension Outside 16 15/16"
Detailed Electrical Information
Voltage/Hertz/Phase 230/208/60/1
Circuit Rating Breaker or T-D Fuse 250V-15A
Cooling Amps 8.7/9.6
Cooling Watts 2074/2021
Air Circulation 375 cubic feet per minute
Air Direction Controls 8-way
Moisture Removal 5.5 pints/24 hours
Net Weight 166 lbs
Shipping Weight 170 lbs


  • Brand:Friedrich
  • SKU:SH20M30A
  • UPC:724587428605
  • Stock Id:330878
  • Series:Hazardgard


  • Type:Window or Wall
  • Chassis Type:Slide Out
  • Series:Hazardgard


  • Cooling Capacity (BTU):20000
  • Volts:230/208 Volts
  • Heat:No
  • Plug Type:6-15P


  • Width:25.94"
  • Height:17.94"
  • Depth:27.38"

    Technical Details

  • Energy Star:No

Shipping Methods & Details

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