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Browse Products3.5 Ton Frigidaire 14.3 SEER2 R-454B Single Stage Air Conditioner Split System
$3,856.96
-
- 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.
Licensed HVAC technician required. Must be installed by a certified professional. Improper installation voids the manufacturer warranty.
- Free shipping — most items ship by the next day
$3,856.96
-
- Free shipping — most items ship by the next day
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.
- 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
Genuine OEM parts
Easy online ordering
30-day hassle-free returns
Help when you need it
What buyers are saying
Verified reviews from customers who purchased this product.
The 3.5 Ton Frigidaire 14.3 SEER2 R-454B Single Stage Air Conditioner Split System delivers impressive cooling performance that exceeded all my expectations. With such an excellent price, this high-quality equipment is truly a surprising and fantastic value!
The 3.5 Ton Frigidaire 14.3 SEER2 R410A Single Stage Air Conditioner Split System exceeded all my expectations, delivering incredible cooling power at an unbeatable price! It runs quietly and efficiently, providing fast and consistent comfort with remarkable energy savings!
The 3.5 Ton Frigidaire 14.3 SEER2 R410A Single Stage Air Conditioner Split System is a fantastic deal—I couldn’t believe I got this much cooling power and efficiency at such a great price! It keeps my whole house comfortably cool, and the energy savings are a welcomed bonus.
I recently purchased the 3.5 Ton Frigidaire 14.3 SEER2 R410A Single Stage Air Conditioner Split System, and I’m thrilled with the exceptional price, outstanding equipment, and the remarkable performance—it’s a game-changer for my home’s cooling needs!
Experience the next level of cooling bliss with the 3.5 Ton Frigidaire 14.3 SEER2 R410A Single Stage Air Conditioner Split System – a true marvel! The incredible price, combined with top-of-the-line equipment and outstanding performance, makes every moment in your cooled space a joy. Don’t miss out on this extraordinary deal that transforms scorching days into a haven of comfort and savings!
Completely blown away by the 3.5 Ton Frigidaire 14.3 SEER2 Single Stage Air Conditioner Split System! The price for such exceptional equipment was an unexpected delight, and its single-stage performance has made my home a haven of cool, consistent comfort—absolutely fantastic!







