What is a portable spot cooler?

A portable spot cooler is a self-contained air conditioner designed to provide targeted cooling to a specific area, workstation, or piece of equipment without the need for permanent installation.

What size area can the Airrex HSC-18R cool?

The Airrex HSC-18R delivers approximately 18,000 BTU of cooling and is designed for spot cooling applications such as server rooms, production areas, medical spaces, and heat-generating workstations—not whole-building cooling.

Is the Airrex HSC-18R for commercial or residential use?

The HSC-18R is a commercial-grade portable spot cooler built for professional environments including healthcare, industrial facilities, warehouses, offices, and data rooms.

Does the Airrex HSC-18R require venting?

Yes. Warm exhaust air must be ducted out of the conditioned space, typically through a ceiling tile, window, or wall opening using flexible exhaust ducting.

Does the Airrex HSC-18R require fresh air?

In many installations, Airrex spot coolers perform best when supplied with fresh or conditioned air, particularly in tightly sealed or high-heat environments.

What refrigerant does the Airrex HSC-18R use?

The HSC-18R uses R-454B refrigerant, a low-GWP alternative to R-410A that meets current environmental regulations while maintaining reliable cooling performance.

Where is the Airrex HSC-18R commonly used?

Common applications include manufacturing areas, server rooms, healthcare facilities, warehouses, event spaces, and emergency or supplemental cooling scenarios.

Airrex HSC-18R: 1.5-Ton Spot Cooler with R-454B Refrigerant

Name: Airrex HSC-18R: 1.5-Ton Spot Cooler with R-454B Refrigerant
Brand: Airrex USA
SKU: Airrex HSC-18R
Price: 4212.90 USD
Availability: InStock

Original price was: $5,344.65.Current price is: $4,212.90.

Buy Direct & Save

"*" indicates required fields

Name*

First Last

Email*

Phone*

How may we help you?

The Airrex HSC-18R 1.5-Ton Portable Spot Cooler delivers 16,800 BTU/hr of cooling for server rooms, warehouses, industrial facilities, and commercial applications. Featuring low-GWP R-454B refrigerant, this portable unit provides targeted cooling with 115V operation.

Key Specifications:

Cooling Capacity: 16,800 BTU/hr (1.5 Ton)
Electrical: 115V / 60Hz / 20A Circuit / NEMA 5-20 Plug
Airflow: 460 CFM
Warranty: 1-Year Parts & Labor / 3-Year Compressor

Optional Accessories:

12-Inch Ceiling Tile Kit | 115V Condensate Pump

Requires a compatible 20-amp electrical receptacle. Nationwide shipping available.

Resources and Downloads

Spec Sheet Owner’s Manual Product Lineup

SKU Airrex HSC-18R Category Portable Air Conditioners Tags AIRREX, Temp Air Brand: Airrex USA

The Airrex HSC-18R 1.5-Ton Portable Spot Cooler delivers 16,800 BTU/hr of cooling capacity for commercial and industrial applications. Designed for targeted cooling, this portable air conditioner is ideal for server rooms, warehouses, manufacturing facilities, offices, healthcare facilities, and other temperature-sensitive environments.

Operating on 115V single-phase power with a NEMA 5-20 plug, the HSC-18R requires a compatible 20-amp receptacle and appropriately rated electrical circuit. The unit uses lower-GWP R-454B refrigerant and features dual cold-air discharge nozzles, washable air filters, built-in dehumidification, and heavy-duty swivel casters.

Whether you need temporary air conditioning during HVAC maintenance, supplemental cooling for heat-generating equipment, or emergency cooling for a commercial facility, the Airrex HSC-18R offers a flexible solution.

Key Features of the Airrex HSC-18R

16,800 BTU/hr Cooling Capacity: Provides approximately 1.5 tons of cooling for targeted commercial and industrial applications.
115V / 20-Amp Electrical Requirement: Uses a NEMA 5-20 plug and requires a compatible, properly rated electrical circuit.
Low-GWP R-454B Refrigerant: Offers a lower global warming potential than R-410A.
Dual Cold-Air Discharge Nozzles: Two 5-inch nozzles allow conditioned air to be directed toward specific areas.
High-Performance Airflow: Delivers up to 460 CFM on high fan speed.
Portable Industrial Design: Swivel casters, including two locking casters, allow convenient movement and positioning.
Built-In Dehumidification: Includes a dehumidification mode for moisture removal.
Washable Air Filters: Removable filters simplify routine cleaning and maintenance.
Compressor Protection: Thermostatically protected compressor with high- and low-pressure warnings.
ETL Listed: Listed for applicable electrical safety requirements.
Warranty: 1-year limited product warranty and 3-year LG compressor warranty.

Common Applications for the Airrex HSC-18R

Server Rooms and IT Equipment Cooling

Server rooms, networking closets, and other IT environments generate heat from continuously operating electronic equipment.

The Airrex HSC-18R can provide temporary or supplemental cooling during HVAC maintenance, equipment upgrades, or unexpected cooling failures.

Its dual 5-inch cold-air nozzles allow cooling to be directed toward selected equipment areas, provided the unit’s capacity and airflow are suitable for the actual heat load.

For more information, read our Best Portable Spot Coolers for Server Rooms in 2026 guide.

Warehouses and Manufacturing Facilities

Industrial facilities frequently contain individual workstations, production areas, and equipment that require additional cooling.

Rather than conditioning an entire warehouse, the Airrex HSC-18R can provide targeted cooling for machine operators, production equipment, packing stations, and other localized applications.

Its portable construction allows the unit to be repositioned as cooling needs change.

Commercial Offices and Healthcare Facilities

The HSC-18R can provide supplemental cooling for appropriate commercial offices, healthcare support areas, retail spaces, and temporary work environments.

It is particularly useful when existing air conditioning equipment is undergoing repairs or certain areas require additional cooling capacity.

Emergency and Temporary Air Conditioning

Unexpected HVAC failures can interrupt operations and expose heat-sensitive equipment to elevated temperatures.

The Airrex HSC-18R offers a portable cooling option for temporary and emergency applications when properly sized and installed.

Learn more about selecting commercial portable cooling equipment in our Portable AC & Spot Cooler Comparison Hub.

Airrex HSC-18R Technical Specifications

Specification	Airrex HSC-18R
Cooling Capacity	16,800 BTU/hr (Approx. 1.5 Ton)
Refrigerant	R-454B
Power Supply	115V / 60Hz / Single Phase
Electrical Requirement	20-Amp Circuit
Plug Type	NEMA 5-20
Airflow (High)	460 CFM
Airflow (Low)	400 CFM
Operating Temperature Range	65°F – 113°F
Cold-Air Discharge	Two 5-inch diameter nozzles
Warm-Air Discharge	12-inch diameter
Dimensions (W × D × H)	19.3″ × 23.6″ × 49.8″
Weight	185 lbs
Filters	Removable and Washable
Mobility	Swivel Casters (2 Locking)
Certification	ETL Listed
Product Warranty	1-Year Limited
Compressor Warranty	3-Year

Installation and Electrical Requirements

The Airrex HSC-18R operates on 115V single-phase power but requires a NEMA 5-20 receptacle and a properly rated 20-amp electrical circuit.

Unlike the HSC-12R and HSC-14R, which use NEMA 5-15 plugs, the HSC-18R uses a NEMA 5-20 plug with a differently configured blade.

Customers should verify their electrical connections before ordering.

Proper ventilation is also essential. Warm condenser air must be discharged away from the conditioned space to prevent heat buildup and reduced cooling performance.

The HSC-18R features a 12-inch warm-air exhaust outlet that can be connected to compatible ducting and ceiling accessories.

Adequate air supply and condensate management are also necessary for effective operation.

Optional Accessories for the Airrex HSC-18R

Enhance your Airrex HSC-18R with compatible accessories designed to simplify installation and condensate removal.

Airrex 12-Inch Ceiling Tile Kit

The Airrex 12-inch ceiling tile kit allows warm condenser exhaust air to be routed through a suspended ceiling installation where an approved exhaust path is available.

The kit includes:

24″ × 24″ pre-cut ceiling tile
12-inch diameter flexible exhaust duct
8-foot duct length

This accessory is useful for server rooms, commercial offices, retail spaces, and other facilities with compatible suspended ceilings.

View Airrex 12-Inch Ceiling Tile Kit

Airrex 115V Condensate Pump

The optional Airrex 115V condensate pump provides automatic condensate removal, reducing the need to manually empty collected water.

This accessory can be particularly useful for extended cooling operation in server rooms, industrial facilities, and commercial spaces.

The kit includes a condensate pump, mounting bracket, power connection, and drain tubing.

View Airrex 115V Condensate Pump

Both accessories are available separately through Climate Control Solutions.

Why Choose the Airrex HSC-18R?

The Airrex HSC-18R combines 16,800 BTU/hr of cooling capacity, commercial-grade durability, and convenient portability.

Its dual cold-air nozzles make it especially useful for directing cooling toward individual workstations or heat-generating equipment.

The unit’s washable filters, built-in dehumidification, and optional exhaust and condensate accessories provide flexibility for various commercial applications.

Compare Other Airrex Portable Spot Coolers

Climate Control Solutions also offers smaller Airrex spot coolers for applications requiring less cooling capacity:

Airrex HSC-12R – 1-Ton Portable Spot Cooler — 12,000 BTU/hr with a NEMA 5-15 plug.
Airrex HSC-14R – 1.2-Ton Portable Spot Cooler — 13,600 BTU/hr with a NEMA 5-15 plug.

The HSC-18R provides additional cooling capacity but requires a compatible NEMA 5-20 electrical connection.

You can also browse all Airrex portable air conditioners to compare models.

Frequently Asked Questions About the Airrex HSC-18R

How many BTUs does the Airrex HSC-18R provide?

The Airrex HSC-18R provides 16,800 BTU/hr of nominal cooling capacity, commonly classified as a 1.5-ton portable spot cooler.

How much space can the HSC-18R cool?

The HSC-18R may provide cooling for areas up to approximately 600 square feet under suitable conditions.

Actual coverage varies depending on ceiling height, insulation, ventilation, internal heat loads, and whether the unit is being used for spot cooling or enclosed-room cooling.

Does the Airrex HSC-18R use a standard electrical outlet?

The HSC-18R uses 115V power but requires a NEMA 5-20 receptacle on a properly rated circuit. It cannot be connected directly to a standard NEMA 5-15 receptacle.

Can the HSC-18R cool a server room?

Yes. The HSC-18R can provide temporary or supplemental cooling for server rooms when the heat load, exhaust arrangement, electrical supply, and airflow requirements are appropriate.

Does the HSC-18R require exhaust ducting?

Warm condenser air must be directed away from the cooled area. Compatible exhaust ducting and ceiling accessories are available for suitable installations.

Does the HSC-18R have a condensate pump?

An optional 115V condensate pump is available separately.

Does the Airrex HSC-18R include dehumidification?

Yes. The HSC-18R includes a dehumidification mode for removing moisture from the air.

What refrigerant does the HSC-18R use?

The HSC-18R uses R-454B refrigerant, which has a lower global warming potential than R-410A.

What is the warranty on the Airrex HSC-18R?

The unit includes a 1-year limited product warranty and a 3-year compressor warranty, subject to the manufacturer’s warranty terms.

Buy the Airrex HSC-18R from Climate Control Solutions

Climate Control Solutions supplies Airrex portable spot coolers and commercial cooling equipment nationwide.

Whether you need one HSC-18R for a server room or multiple units for an industrial facility, our team can assist with equipment selection, compatible accessories, and shipping arrangements.

Contact us for current pricing, availability, and bulk-order quotes.

Phone: (800) 633-8711

Email: [email protected]

Request a Quote

Browse Portable Air-Cooled Spot Coolers

Explore Airrex Products

Let's Connect

We Are Here To Help

Please give us a call, drop us an email or fill out the contact form and we’ll get back to you.

Our Headquarters

Waco, TX 76712

Email

[email protected]

Phone

(800) 633-8711

"*" indicates required fields

Name*

First Last

Email*

Phone*

How may we help you?

OUR STELLAR REPUTATION

Trusted by Clients for Exceptional Service

    
 
 
       Posted on Google  
   
   ProducerTy 
 
 
 
  Their team provided top-notch service, delivering everything on time and exactly as expected. The entire process was seamless, from the initial consultation to the final installation, showcasing their professionalism and attention to detail.

I highly recommend Climate Control Solutions for anyone in need of heating or cooling services. Their punctuality, quality of work, and excellent customer care truly set them apart in the industry. A great choice for reliable and efficient climate control solutions.
  
 
      Posted on Google  
   
   Aidan McCourt 
 
 
 
  Great company to work with.
  
 
      Posted on Google  
   
   Judy Pate 
 
 
 
  We are loving our Cool Boss evaporative cooler. It was delivered ready to plug in and go. It's quiet, easy to operate and move around where needed. Thanks, CCS, for the great service!
  
 
      Posted on Google  
   
   Stan Love 
 
 
 
  This is definitely a Top tier, 5-star company owned and operated by highly skilled individuals!  Service oriented and offering a wide range of portable heating, ventilation and air conditioning products to meet whatever mechanical needs you have.  I have known the family behind this company for several decades and honored to recommend and support their efforts and CCS.

Stan Love AIA, RID
  
 
      Posted on Google  
   
   aimee coody 
 
 
 
  The spot coolers provided Climage Control Solutions saved the day at my office when our central ac went out in the entire building. The portable ac units kept us all very comfortable for several weeks while we waited for ours to be repaired. It only took 2 units to cool quite a large space. Thanks you CCS!!! We appreciate you!
  
 
      Posted on Google  
   
   Benton Mattson 
 
 
 
  The MOB-250's provided by Climate Control Solutions saved the day when our central a/c units went out at our corporate office. The mobile air conditioners worked great while we waited for our a/c units to be repaired. Fantastic service and very responsive! Thank you Climate Control Solutions for your help!
  
 
      Posted on Google  
   
   Todd Kurlowski 
 
 
 
  Fantastic service! I received great customer service and all my questions were answered. Climate Control Solutions delivered an Airrex spot cooler with a ceiling kit as promised with on time delivery and set up.  I would definitely recommend.
  
 
      Posted on Google  
   
   Brad Kenter 
 
 
 
  Climate Control Solutions was great to work with.  We had a order come in that required 12 Cool Space 400's asap.  They had the equipment in stock, paperwork was seamless, and equipment was ready for pick up when stated.  We will be buying more equipment from Climate Control Solutions in the future!
  
 
      Posted on Google  
   
   Sam Lopez 
 
 
 
  Very professional staff with great knowledge of the cooling and heating industry. Highly recommend them for your climate control needs. They were able to efficiently  size and recommend the equipment that was necessary for the area that needed to be cooled with a quick turn around.
  
 
      Posted on Google  
   
   Shawn Buhner 
 
 
 
  First class company with quick service and delivery.  Climate Control Solutions helped supply just the right cooling equipment to keep my small business operating during these hot summer days.

Looking For Multiple Units?

DISCOVER OUR PREMIUM PARTNERS

Top-Quality Brands for Superior Climate Control

At Climate Control Solutions, we prioritize quality when it comes to spot coolers, portable heat pumps, and evaporative coolers. That’s why we collaborate with some of the industry’s most respected brands to offer you the finest products. Our selection features renowned names like Airrex USA, Big Ass Fans, Cajun Kool, Cool Boss, Flagro, and Master—brands celebrated for their excellence, innovation, and durability.