Airrex AHSC-18R: 1.5-Ton Portable Heat Pump with Eco-Friendly R-454B Refrigerant
Original price was: $7,056.65.$5,473.95Current price is: $5,473.95.
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The Airrex AHSC-18R 1.5-Ton Portable Heat Pump delivers 16,800 BTU/hr of cooling and 16,800 BTU/hr of heating for warehouses, offices, manufacturing facilities, and commercial applications. Featuring low-GWP R-454B refrigerant, this portable unit provides year-round heating, cooling, and dehumidification with 115V operation.
Key Specifications:
- Cooling Capacity: 16,800 BTU/hr (1.5 Tons)
- Heating Capacity: 16,800 BTU/hr
- Electrical: 115V / 60Hz / Single Phase
- Plug Type: NEMA 5-20 (20-Amp Circuit)
- Cooling Airflow: 520 CFM
- Warranty: 1-Year Parts & Labor / 3-Year Compressor
Optional Accessories:
12-Inch Ceiling Tile Kit | 115V Condensate Pump
Requires a compatible 20-amp receptacle. Nationwide shipping available.
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The Airrex AHSC-18R 1.5-Ton Portable Heat Pump delivers 16,800 BTU/hr of cooling and 16,800 BTU/hr of heating capacity in one commercial-grade unit. Designed for temporary and supplemental climate control, this portable heat pump is ideal for warehouses, manufacturing facilities, offices, server rooms, commercial buildings, and healthcare support areas.
Operating on 115V / 60Hz single-phase power with a NEMA 5-20 plug, the AHSC-18R provides heating and cooling without requiring three-phase electrical service. The unit features lower-GWP R-454B refrigerant, adjustable airflow, washable air filters, built-in dehumidification, and heavy-duty swivel casters.
Whether you need emergency cooling during HVAC maintenance, supplemental heating for a commercial workspace, or temporary climate control during renovations, the Airrex AHSC-18R offers a flexible year-round solution.
Key Features of the Airrex AHSC-18R
- 16,800 BTU/hr Cooling Capacity: Provides approximately 1.5 tons of nominal cooling for commercial and industrial applications.
- 16,800 BTU/hr Heating Capacity: Delivers supplemental heating for workplaces, offices, and other commercial environments.
- 115V / 20-Amp Electrical Requirement: Uses a NEMA 5-20 plug and requires a compatible, properly rated electrical circuit.
- Low-GWP R-454B Refrigerant: Has a lower global warming potential than traditional R-410A refrigerant.
- Three Operating Functions: Heating, cooling, and dehumidification in one portable system.
- High-Performance Airflow: Delivers up to 520 CFM of conditioned airflow.
- Adjustable Air Distribution: Features a cold-air discharge louver for directing airflow toward selected areas.
- Portable Industrial Design: Swivel casters allow the unit to be repositioned as heating and cooling requirements change.
- Washable Air Filters: Removable filters simplify routine maintenance.
- Digital Temperature Controls: Adjustable temperature settings support convenient operation.
- Compressor Protection: Includes high- and low-pressure protection and compressor safety controls.
- ETL Listed: Listed for applicable electrical safety requirements.
- Optional Accessories: Compatible with a 12-inch ceiling tile kit and optional 115V condensate pump.
- Warranty: 1-year limited product warranty and 3-year compressor warranty.
Common Applications for the Airrex AHSC-18R
Warehouses and Manufacturing Facilities
Warehouses and industrial facilities often need cooling during warmer months and supplemental heating during colder conditions.
The Airrex AHSC-18R provides both functions in one portable unit, making it useful for production workstations, packing areas, assembly operations, maintenance facilities, and other localized applications.
Its portable design allows the unit to be relocated between work areas as heating and cooling requirements change.
For businesses that need both seasonal heating and cooling, a portable heat pump can offer greater flexibility than purchasing separate portable heaters and spot coolers.
Server Rooms and IT Equipment Cooling
Server rooms, networking closets, and telecommunications equipment generate considerable heat during continuous operation.
The AHSC-18R can provide temporary or supplemental cooling during HVAC maintenance, equipment upgrades, or unexpected cooling failures.
Its 16,800 BTU/hr cooling capacity makes it an option for smaller server rooms and localized IT cooling applications, provided the unit is properly sized and installed.
Heating mode is generally unnecessary for continuously heat-generating server equipment, but the unit can also serve other facility areas where heating is required.
For additional information, read our Best Portable Spot Coolers for Server Rooms in 2026 guide.
Commercial Offices and Healthcare Facilities
The Airrex AHSC-18R can provide temporary heating and cooling for commercial offices, retail environments, healthcare support areas, and other suitable professional workspaces.
Its 115V operation and mobile construction make it useful when permanent HVAC modifications are impractical or additional heating and cooling capacity is needed.
Healthcare applications should be evaluated against the facility’s environmental and installation requirements.
Emergency and Temporary HVAC Applications
Unexpected heating or air conditioning failures can interrupt business operations and create uncomfortable indoor conditions.
The AHSC-18R provides a portable option for temporary heating or cooling during equipment repairs, HVAC replacement projects, building renovations, and other commercial applications.
Explore additional equipment in our Portable Heat Pumps collection.
Airrex AHSC-18R Technical Specifications
| Specification | Airrex AHSC-18R |
|---|---|
| Cooling Capacity | 16,800 BTU/hr (Approx. 1.5 Tons) |
| Heating Capacity | 16,800 BTU/hr |
| Suggested Coverage | Up to 600 sq. ft. under suitable conditions |
| Refrigerant | R-454B |
| Power Supply | 115V / 60Hz / Single Phase |
| Cooling Current | 15.3 Amps |
| Heating Current | 13.6 Amps |
| Circuit Breaker Size | 20 Amps |
| Plug Type | NEMA 5-20 |
| Cooling Airflow (High/Low) | 520 / 440 CFM |
| Heating Airflow | 420 CFM |
| Cooling Operating Range | 59°F–118°F |
| Heating Operating Range | 46°F–81°F |
| Dehumidification Range | 55°F–115°F |
| Warm-Air Exhaust | 12-Inch Diameter |
| Cold-Air Discharge | Adjustable Louver |
| Dimensions (W × D × H) | 22″ × 25″ × 49″ |
| Weight | 178 lbs |
| Filters | Removable and Washable |
| Condensate Pump | Optional |
| Certification | ETL Listed |
| Product Warranty | 1-Year Limited |
| Compressor Warranty | 3-Year |
Heating and cooling capacities are nominal. Actual performance depends on ambient temperature, humidity, airflow, and installation conditions.
Installation and Electrical Requirements
The Airrex AHSC-18R operates on 115V / 60Hz single-phase power and uses a NEMA 5-20 plug.
Unlike the smaller AHSC-14R, which uses a NEMA 5-15 plug, the AHSC-18R requires a compatible 20-amp receptacle and appropriately rated electrical circuit.
The published electrical specifications include:
- Cooling Current: 15.3 Amps
- Heating Current: 13.6 Amps
- Circuit Breaker Size: 20 Amps
- Plug Type: NEMA 5-20
Customers should verify electrical compatibility before ordering and follow manufacturer installation instructions and applicable electrical codes.
Heating and Cooling Operation
The AHSC-18R provides both heating and cooling through its portable heat pump system.
The unit can be operated in the appropriate mode to address changing temperature requirements.
It also includes dehumidification functionality for applications requiring moisture removal.
Exhaust and Ventilation Requirements
The AHSC-18R features a 12-inch diameter exhaust connection.
Proper exhaust routing and adequate air supply are essential for effective heating and cooling operation.
Depending on the selected operating mode and installation, exhaust air must be directed to an appropriate location to prevent unwanted temperature changes in the conditioned area.
Condensate Management
The AHSC-18R collects moisture removed during cooling and dehumidification operation.
An optional 115V condensate pump is available for applications requiring automatic removal of collected condensate.
Condensate should be discharged to an approved drainage location.
Optional Accessories for the Airrex AHSC-18R
The Airrex AHSC-18R supports optional accessories designed to improve installation flexibility, exhaust management, and condensate removal.
Airrex 12-Inch Ceiling Tile Kit
The Airrex 12-inch ceiling tile kit is compatible with the AHSC-18R and allows exhaust air to be routed through a suspended ceiling installation when an appropriate discharge path is available.
The kit includes:
- 24″ × 24″ pre-cut ceiling tile
- 12-inch diameter flexible exhaust duct
- 8-foot duct length
This accessory helps organize ductwork in commercial offices, equipment rooms, and other facilities with suspended ceilings.
The exhaust destination must be suitable for the operating mode and installation requirements.
View Airrex 12-Inch Ceiling Tile Kit
Airrex 115V Condensate Pump
The optional Airrex 115V condensate pump provides automatic removal of collected condensate, reducing the need for manual tank emptying.
This accessory is useful for extended cooling and dehumidification applications.
The kit includes:
- Condensate pump
- Mounting bracket
- Power connection
- Drain tubing
View Airrex 115V Condensate Pump
Both accessories are sold separately through Climate Control Solutions.
Why Choose the Airrex AHSC-18R?
The Airrex AHSC-18R combines heating, cooling, and dehumidification in one portable commercial HVAC system.
With 16,800 BTU/hr of nominal cooling and heating capacity, it offers year-round versatility for businesses that need temporary or supplemental climate control.
Its 115V operation, washable filters, adjustable airflow, and compatible accessories make it a practical choice for offices, industrial workstations, equipment rooms, and other commercial environments.
Compare Other Airrex Portable Heat Pumps and Spot Coolers
Climate Control Solutions offers additional equipment for different heating and cooling requirements:
- Airrex AHSC-14R – 1.2-Ton Portable Heat Pump — 13,600 BTU/hr cooling and 13,000 BTU/hr heating, with NEMA 5-15 operation.
- Airrex HSC-18R – 1.5-Ton Portable Spot Cooler — 16,800 BTU/hr cooling capacity for applications that do not require heating.
For additional options, browse our Portable Heat Pumps or visit the Airrex Product Collection.
Frequently Asked Questions About the Airrex AHSC-18R
How many BTUs does the Airrex AHSC-18R provide?
The AHSC-18R delivers 16,800 BTU/hr of cooling and 16,800 BTU/hr of heating capacity.
Can the AHSC-18R both heat and cool?
Yes. The AHSC-18R is a portable heat pump that provides heating, cooling, and dehumidification functionality.
Does the AHSC-18R use a standard electrical outlet?
The unit operates on 115V single-phase power but requires a NEMA 5-20 receptacle and an appropriately rated 20-amp electrical circuit. It cannot plug directly into a standard NEMA 5-15 receptacle.
How much space can the AHSC-18R heat or cool?
The AHSC-18R may provide heating and cooling for areas up to approximately 600 square feet under suitable conditions.
Actual coverage varies depending on insulation, ceiling height, ventilation, ambient conditions, and internal heat loads.
Can the AHSC-18R cool a server room?
Yes. The AHSC-18R can provide supplemental or temporary server-room cooling when the cooling load, electrical requirements, airflow, and exhaust arrangements are appropriate.
What size ceiling kit does the AHSC-18R use?
The AHSC-18R features a 12-inch exhaust connection and is compatible with the Airrex 12-inch ceiling tile kit.
Is a condensate pump included?
A 115V condensate pump is available as an optional accessory and can be purchased separately.
What refrigerant does the AHSC-18R use?
The AHSC-18R uses R-454B refrigerant, which has a lower global warming potential than R-410A.
Can the AHSC-18R be used for winter heating?
Yes. The AHSC-18R provides 16,800 BTU/hr of nominal heating capacity and can be used for supplemental heating within the manufacturer’s specified operating temperature range.
What is the warranty on the AHSC-18R?
The AHSC-18R includes a 1-year limited product warranty and a 3-year compressor warranty, subject to manufacturer terms.
Buy the Airrex AHSC-18R from Climate Control Solutions
Climate Control Solutions supplies Airrex portable heat pumps, spot coolers, and commercial HVAC equipment nationwide.
Whether you’re purchasing one AHSC-18R for an office or multiple units for an industrial facility, our team can assist with equipment selection, electrical requirements, compatible accessories, and shipping arrangements.
Contact us for current pricing, availability, and bulk-order quotes.
Phone: (800) 633-8711
Email: [email protected]
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