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Quick specs
Brand
Oxbox
Tonnage
4 Ton
SEER2
14.3
EER2
11.7
Compressor Type
Scroll
Voltage
208/230V, 60Hz, 1-Phase
Motor Type
ECM (10-speed)
Refrigerant
R-454B
Not sure this fits your unit?
Call us with your model number and we'll confirm the right part before you order.
4 Ton Oxbox by Trane 14.3 SEER2 R-454B Single Stage Air Conditioner Condenser J5AC5048A1000A
Oxbox 10 Year Warranty on Parts & Compressor·Constructed Of Heavy Gauge Galvanized Steel & Weather Resistant Powder Paint
$2,725.88
-
- Free shipping — most items ship by the next day
Licensed HVAC technician required. Must be installed by a certified professional. Improper installation voids the manufacturer warranty.
Secure payment
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4 Ton Oxbox by Trane 14.3 SEER2 R-454B Single Stage Air Conditioner Condenser J5AC5048A1000A
Licensed HVAC technician required. Must be installed by a certified professional. Improper installation voids the manufacturer warranty.
Need help? (888) 292-0874
- Free shipping — most items ship by the next day
Secure payment
VISA MC AMEX DISC PayPal Affirm CHECK
In stock
In most items, small items ship same day. Complete systems ship next business day.
$2,725.88
-
Need help? (888) 292-0874
- Free shipping — most items ship by the next day
Secure payment
VISA MC AMEX DISC PayPal Affirm CHECK
Quick specs
Brand
Oxbox
Tonnage
4 Ton
SEER2
14.3
EER2
11.7
Compressor Type
Scroll
Voltage
208/230V, 60Hz, 1-Phase
Motor Type
ECM (10-speed)
Refrigerant
R-454B
Not sure this fits your unit?
Call us with your model number and we'll confirm the right part before you order.
Oxbox J5AC5 units are single-stage, cooling-only outdoor condensers in the Trane family, built for R-454B split systems. Each model uses a single-stage scroll compressor, an all-aluminum (often microchannel) coil, and a painted galvanized-steel cabinet tested for outdoor weather and corrosion. Units are designed for high ambient operation (up to about 115°F) and pair with matching J5AH air handlers or cased coils.
Why homeowners love it
A Trane-family Unit without the Trane price — Same company family as Trane and American Standard, so the build and warranty story feels familiar, but the J5AC5 is positioned as the affordable outdoor AC.
It just works in heat — Single-stage scroll compressor, outdoor ready painted cabinet, and coil coatings meant for weather and corrosion. These are built to run in high ambient conditions, which matters in Florida and similar climates.
It’s future-ready refrigerant — R-454B is the low GWP refrigerant homeowners are being moved to now, so they’re not buying yesterday’s gas.
Efficiency is solid, not oversold — 14.3 SEER2 out of the box, enough to keep bills reasonable without paying for a variable speed flagship.
Key features
- Oxbox 10 Year Warranty on Parts & Compressor — replacement for any part of this product which fails in normal use in accordance with the terms of the limited warranty
- Constructed Of Heavy Gauge Galvanized Steel & Weather Resistant Powder Paint — 500 hours salt spray tested
- Sustainability — 78% lower GWP than previous generation refrigerants with only minimal changes to system installation
- 100% Factory Run Tested — fully assembled and run under real operational conditions before it leaves the factory
Why homeowners choose NAW
Genuine OEM parts
Every part we sell is the real thing — authorized, factory-genuine, and backed by the full manufacturer warranty.
Easy online ordering
Find your part by model number, add to cart, and get it delivered to your door — no middleman, no markup.
30-day hassle-free returns
Ordered the wrong part? Send it back within 30 days.
Help when you need it
Not sure if this is the right part? Call us at (888) 292-0874 and we’ll help you find the correct replacement.
Dimensions
Height 29.39 in
Width 28 in
Length 28 in
Weight 174 lbs
Customer reviews
What buyers are saying
Verified reviews from customers who purchased this product.
5.0
8 verified reviews
FD
Farley D
The 4 Ton Oxbox by Trane 14.3 SEER2 R-454B Single Stage Air Conditioner Condenser amazed me with its strong, efficient cooling and quiet, dependable performance even during the hottest days. With an excellent price for such high-quality equipment, this unit delivers outstanding comfort and reliability that truly impressed me.
HF
Hannah F
I was genuinely surprised by the incredible performance and cooling power of the 4 Ton Oxbox by Trane 14.3 SEER2 Single Stage Air Conditioner Condenser. For the price, this unit delivers outstanding value with smooth, reliable operation that instantly upgraded my home’s comfort.
TF
Teddy F
The 4 Ton Oxbox by Trane 14.3 SEER2 Single Stage Air Conditioner Condenser provides powerful cooling with impressive efficiency, ensuring comfort even in extreme heat. With its excellent price and top-tier performance, this unit is a smart investment for long-term reliability and energy savings!
TF
Teddy F
The 4 Ton Oxbox by Trane 14.3 SEER2 Single Stage Air Conditioner Condenser is a game-changer for home cooling at an unbeatable price! Its powerful performance and energy efficiency make it an excellent investment for staying comfortable year-round.
PT
Paul T
The 4 Ton Oxbox by Trane 14.3 SEER2 Air Conditioner Condenser is a powerhouse, providing robust and efficient cooling that transformed our home into a comfortable oasis! The price was incredibly affordable for such reliable performance, making this condenser an excellent choice for anyone seeking high-quality air conditioning without a premium cost.
CM
Callum M
I recently purchased the 4 Ton Oxbox by Trane 14.3 SEER2 Single Stage Air Conditioner Condenser, and I’m overjoyed with the unbeatable price, top-notch equipment, and the extraordinary performance—truly a fantastic investment for a cool and comfortable living space!
J
Jack
I recently invested in the 4 Ton Oxbox by Trane 14.3 SEER2 Single Stage Air Conditioner Condenser, and I’m thrilled with its outstanding performance and the surprisingly reasonable price. This air conditioner condenser not only cools efficiently but also offers an unbeatable combination of quality and affordability – a fantastic product that truly impressed me!
R
Rachelle
Absolutely thrilled with the 4 Ton Oxbox by Trane 14.3 SEER2 Single Stage Air Conditioner Condenser! The price for such high-quality equipment was an unexpected find, and its single-stage air conditioning performance has consistently maintained a pleasantly cool atmosphere—truly impressive!
