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Quick specs
Brand
Oxbox
Tonnage
3.5 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.
3.5 Ton Oxbox by Trane 14.3 SEER2 R-454B Single Stage Air Conditioner Condenser J5AC5042A1000A
Oxbox 10 Year Warranty on Parts & Compressor·Constructed Of Heavy Gauge Galvanized Steel & Weather Resistant Powder Paint
$2,445.78
-
- 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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3.5 Ton Oxbox by Trane 14.3 SEER2 R-454B Single Stage Air Conditioner Condenser J5AC5042A1000A
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.
$2,445.78
-
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
3.5 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 33.19 in
Width 28 in
Length 28 in
Weight 187 lbs
Customer reviews
What buyers are saying
Verified reviews from customers who purchased this product.
5.0
8 verified reviews
TD
Travis D
The 3.5 Ton Oxbox by Trane 14.3 SEER2 R-454B Single Stage Air Conditioner Condenser surprised me with its powerful cooling, quiet operation, and rock-solid reliability. At such an excellent price for this high-quality equipment, it delivers impressive performance and comfort that truly exceeded my expectations.
OF
Orlando F
The 3.5 Ton Oxbox by Trane 14.3 SEER2 Single Stage Air Conditioner Condenser blew me away with how powerful and efficient it is right out of the box. I couldn’t believe the excellent price for such top-tier performance and rock-solid build quality.
GF
Greg F
The 3.5 Ton Oxbox by Trane 14.3 SEER2 Single Stage Air Conditioner Condenser delivers powerful and efficient cooling, keeping any space comfortable even in peak summer heat. With its excellent price and outstanding performance, this unit is a fantastic investment for long-term reliability and energy savings!
GF
Greg F
The 3.5 Ton Oxbox by Trane 14.3 SEER2 Single Stage Air Conditioner Condenser delivers outstanding cooling performance at a fantastic price! It’s reliable, energy-efficient, and keeps my home perfectly cool even during the hottest days—highly recommend it!
EU
Eric U
The 3.5 Ton Oxbox by Trane 14.3 SEER2 Air Conditioner Condenser exceeded our expectations, providing efficient and consistent cooling that instantly transformed our home’s comfort! Given its robust performance, the price was surprisingly affordable, making it an excellent choice for anyone seeking quality air conditioning without breaking the bank.
LB
Lennox B
I recently purchased the 3.5 Ton Oxbox by Trane 14.3 SEER2 Single Stage Air Conditioner Condenser, and I’m thrilled by the incredible price, exceptional equipment, and the outstanding performance—truly a remarkable investment for a cool and comfortable home!
FD
Farley D
I recently installed the 3.5 Ton Oxbox by Trane 14.3 SEER2 Single Stage Air Conditioner Condenser, and I’m genuinely impressed with its exceptional performance and the surprisingly reasonable price. This air conditioner condenser not only cools my space efficiently but also comes at a cost that pleasantly surprised me – a remarkable product that exceeded my expectations for both quality and affordability!
R
Raven
Absolutely amazed by the 3.5 Ton Oxbox by Trane 14.3 SEER2 Single Stage Air Conditioner Condenser! The price for such exceptional equipment was an unexpected delight, and its single-stage air conditioning performance has consistently kept my space refreshingly cool—truly remarkable value!
