Oxbox J4AC4048A1000AA
Oxbox J4AC4048A1000AA
Hover to zoom
1 Of 5

Oxbox J4AC4 - 4.0 Ton - Air Conditioner - 14.0 Nominal SEER - Single-Stage - R-410A Refrigerant



Write a Review
Free Shipping
Lift Gate
  Learn More About Free Freight
Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Ships in 2-5 Business Days
Factory items ship direct from the manufacturer. Shipping times vary.
Shipping Details
  • Lift Gate Service Available - Free Lift Gate Learn More
*We currently CANNOT ship this product to Canada or any destination outside of the United States
$266 / Month
Suggested monthly payments with 6 month financing.
Available Add-Ons
Learn More
Lift Gate Service
All products weighing more than 100 lbs. ship via semi-truck. We recommend ordering the Lift Gate Service to safely lower the product to the curb. If you have a loading dock or forklift, you do NOT need a Lift Gate service. If you are a residential customer, you must have at least 2-4 able-bodied people present to unload the product. Learn More
Oxbox J4AC4 - 4.0 Ton - Air Conditioner - 14.0 Nominal SEER - Single-Stage - R-410A Refrigerant
Oxbox J4AC4 - 4.0 Ton - Air Conditioner - 14.0 Nominal SEER - Single-Stage - R-410A Refrigerant
Model: J4AC4048A1000AA
How-To Articles


    Oxbox air conditioners are designed to be quiet, dependable and affordable. Tested to perform in the hottest climates, the Oxbox air conditioner is guaranteed to provide efficient cool air when you need it. The air conditioner's compact size and small footprint are ideal for homeowners with limited yard space, while its painted galvanized steel cabinet resists rust and stands up to harsh weather.
  • Affordable Quality
  • Oxbox air conditioners offer powerful and dependable cooling at an affordable price.
  • Small Footprint
  • With its compact size, the Oxbox air conditioner is perfect for homes that have limited yard space.
  • Durable Cabinet
  • Oxbox air conditioners include a painted, galvanized steel cabinet to resist rust and stand up to weather.
  • Quiet Operation
  • With a maximum sound level of 76 dB, you'll barely notice your air conditioner is running.
  • Low Voltage Control
  • The Oxbox air conditioner features 24V low-voltage control, providing added safety to installation and operation.
  • Product Note
  • In order to maintain the warranty, product must be installed by a licensed contractor. Proof of installation by a licensed contractor is required.
California residents see
Warning: This product can expose you to chemicals including Lead and lead compounds which is known to the State of California to cause Cancer.
For more information go to: www.p65Warnings.ca.gov


General Information
Product Line
Operating Mode Learn More
Operating Mode
Some products are only capable of cooling, while others can either heat or cool a space. Some products heat via "heat pump" technology while others use electric heating elements. Learn More
Refrigerant Type
Installation Location
Compressor Stages Learn More
Compressor Stages
Stages are the distinct levels of output that an air conditioner or heat pump can deliver. Having more than one stage allows the equipment to better match the needs of the space and deliver better comfort and more efficiency.
DOE Regional Compliance Learn More
DOE Regional Compliance
In 2015, the US Department of Energy broke the country into three regions - North, Southeast, and Southwest - and set legal standards for energy efficiency within each region. Learn More
Capacity Learn More
Tonnage, or tons of cooling, is a short hand method for describing the capacity of cooling equipment. One ton is equal to approximately 12 kBTU/hr.
4.0 Tons
Cooling BTU
Cooling Capacity
48000 BTU
SEER Learn More
SEER (Seasonal Energy Efficiency Ratio) is a measurement of cooling efficiency over a typical cooling season. It is useful for comparing energy efficiency of cooling systems. The higher the SEER, the more energy efficient the system. Learn More
Maximum Sound Level Learn More
Maximum Sound Level
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB. Learn More
76 dB
Electrical Data
208/230 Volts
60 Hz
Minimum Circuit Ampacity
24.6 Amps
Recommended Breaker Size
40 Amps
Suction Connection Size
7/8 Inch
Liquid Connection Size
3/8 Inch
Product Height
33 3/16 Inches
Product Width
28 Inches
Product Depth
28 Inches
Product Weight
190 Pounds
Shipping Height
39 3/4 Inches
Shipping Width
29 1/24 Inches
Shipping Length
29 1/24 Inches
Shipping Weight
223 Pounds
ETL Listed
AHRI Certified
Warranty Information
Parts Warranty Learn More
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years
Compressor Warranty
10 Years


Oxbox J4AC4048A1000AA Reviews & Ratings
Be the First to Write a Review
Do you own this product?
Please share your insights with fellow shoppers.

Recommended Accessories

Expert Recommended Accessories Selected by Chris, our Expert
Required Accessories 9
These accessories are required to properly setup/install this product.
Optional Accessories 10

How-To Articles

How to Pick the Perfect Air Conditioner
A typical central air conditioning system consists of three main components. Th...
How Central Air Conditioning Systems Work
Can you imagine life without air conditioning? Sweltering heat waves that can me...
How to Pick the Perfect Evaporator Coil & Air Handler
While the outdoor unit alone is commonly referred to as the air conditioner, a ...
eComfort How-To Library
Articles, Tips and Buying Guides from Our Experts


Media Gallery
Oxbox J4AC4 - 4.0 Ton - Air Conditioner - 14.0 Nominal SEER - Single-Stage - R-410A Refrigerant
Oxbox J4AC4048A1000AA
Reset View
Customer Review Images