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Quick specs
Brand
Frigidaire
Tonnage
3 Ton
SEER2
14.3
EER2
11.7
Compressor Type
Single-Stage Scroll
Voltage
208/230V, 1 Ph, 60 Hz
Blower Motor
PSC, Multi-Speed, 1/3 HP
Condenser Fan Motor
1/5 HP
Liquid Valve Size
3/8 in.
Suction Valve Size
3/4 in.
Refrigerant
R-454B
AHRI
217193994
Not sure this fits your unit?
Call us with your model number and we'll confirm the right part before you order.
SKU: FSA4BE5M1SN36K, B65BMMX36K-B · Category: AIR CONDITIONER SPLIT SYSTEMS

3 Ton Frigidaire 14.3 SEER2 R-454B Single Stage Air Conditioner Split System

10 Year Warranty on Parts·Heavy Duty Construction

$3,703.42

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  • 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.

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SKU: FSA4BE5M1SN36K, B65BMMX36K-B · Category: AIR CONDITIONER SPLIT SYSTEMS
3 Ton Frigidaire 14.3 SEER2 R-454B Single Stage Air Conditioner Split System
Quick specs
Brand
Frigidaire
Tonnage
3 Ton
SEER2
14.3
EER2
11.7
Compressor Type
Single-Stage Scroll
Voltage
208/230V, 1 Ph, 60 Hz
Blower Motor
PSC, Multi-Speed, 1/3 HP
Condenser Fan Motor
1/5 HP
Liquid Valve Size
3/8 in.
Suction Valve Size
3/4 in.
Refrigerant
R-454B
AHRI
217193994
Not sure this fits your unit?
Call us with your model number and we'll confirm the right part before you order.

Why Frigidaire is a homeowner favorite

The Frigidaire FSA4BE and B65B are a cooling-only split system in the Essentials line. The FSA4BE stays outside and rejects heat while the B65B air handler stays inside and pushes cooled air through the ducts. Matched systems are rated up to 14.3 SEER2, and both sides use R-454B, so the install already meets the 2025 refrigerant rules.

Outside, the FSA4BE uses a single-stage Copeland scroll compressor and a heavy-duty PSC fan motor. The condensing coil is all aluminum, which cuts weight and refrigerant charge and stands up better to corrosion than an older copper-tube coil. Side panels come off without lifting the top grille, so a technician can reach the compressor and controls without tearing the cabinet down. The unit ships pre-charged with R-454B, and a liquid-line filter drier is included for field installation. A high-pressure switch protects the system if pressures climb too high.

The B65B is the indoor match used on the published ratings. It is a multi-position air handler, so it can go upflow, downflow, or on its side in a closet or attic. The cabinet is insulated, the evaporator coil is aluminum, and filter access does not require tools. Electric heat strips can be added if the house still needs backup warmth from a separate heat source.

This system is built for homes that already have a furnace or electric heat and only need a new air conditioner. It uses a standard 24-volt thermostat, not a communicating control.

Key features
  • 10 Year Warranty on Parts — Replacement for any part of this product which fails in normal use in accordance with the terms of the limited warranty
  • Heavy Duty Construction — Powder-painted galvanized steel, tested for salt-spray durability, steel coil guard & wire fan guard
  • PlusOne Refrigerant Detection System — Pauses outdoor unit if a refrigerant leak is detected
  • 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.
Condenser
Height 29 in.
Width 31 3/4 in.
Length 31 3/4 in.
Weight 195 lbs (shipping)
Air Handler
Height 49 5/16 in.
Width 19 11/16 in.
Length 22 in.
Weight 133 lbs (shipping)

What buyers are saying

Verified reviews from customers who purchased this product.

Write a review
5.0
7 verified reviews
5★
100%
4★
0%
3★
0%
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WG
Weston G

The 3 Ton Frigidaire 14.3 SEER2 R-454B Single Stage Air Conditioner Split System amazed me with its outstanding cooling power and quiet efficiency. It’s incredible to find such high-quality equipment at this excellent price—definitely a smart and surprising choice!

VP
Valerie P

I am blown away by the performance of the 3 Ton Frigidaire 14.3 SEER2 R-454B Single Stage Air Conditioner Split System! The price is unbeatable, and the cooling power it delivers is impressive, keeping my home perfectly comfortable even on the hottest days.

VD
Ver D

I’m thrilled with the 3 Ton Frigidaire 14.3 SEER2 R410A Single Stage Air Conditioner Split System—what an amazing value for the price! It cools my home quickly and efficiently, offering consistent performance while keeping energy consumption surprisingly low!

JT
John T

The 3 Ton Frigidaire 14.3 SEER2 R410A Single Stage Air Conditioner Split System is a superb investment—I couldn’t believe how much power and efficiency I got for such a low price! It cools my entire home with ease, and the energy savings have been a pleasant surprise.

CT
Callahan T

I recently purchased the 3 Ton Frigidaire 14.3 SEER2 R410A Single Stage Air Conditioner Split System, and I’m ecstatic about the unbeatable price, top-notch equipment, and extraordinary performance—my home has never felt more comfortable!

FH
Farrell H

Elevate your cooling experience with the 3 Ton Frigidaire 14.3 SEER2 R410A Single Stage Air Conditioner Split System – a true game-changer! The unbeatable price, coupled with top-notch equipment and exceptional performance, will turn every hot day into a refreshing breeze of comfort. Don’t settle for less when you can have it all – a cool home, an affordable deal, and a system that delivers beyond expectations!

D
Danny

Absolutely thrilled with the 3 Ton Frigidaire 14.3 SEER2 Single Stage Air Conditioner Split System! The price for this exceptional equipment was a delightful surprise, and its single-stage performance has flawlessly kept my home refreshingly cool—truly impressive value!