The Signature 3.5 Ton up to 14.3 SEER2 42,000 BTU Split Air Conditioner is a 3.5-ton central split-system air conditioner rated at about 42,000 BTU and 14.3 SEER2. It's designed for whole-home comfort in spaces around 1800-2100 sq. ft.
Why you'll love it
- 14.3 SEER2 efficiency
- 3.5-ton (42,000 BTU) capacity for homes around 1800-2100 sq. ft.
- Factory-sealed, ready for professional installation
- Pairs with a matching indoor air handler or coil
Specifications
- Capacity: 3.5 ton (~42,000 BTU)
- Efficiency: 14.3 SEER2
- Suited for homes: around 1800-2100 sq. ft.
- Type: Central Split System Air Conditioner
- Model: MCAESAS4T4221AA
Installation & warranty
This system must be installed by a licensed HVAC professional. Backed by the manufacturer's warranty.
Frequently asked questions
What size home does the 3.5-ton MCAESAS4T4221AA cool?
A 3.5-ton system (~42,000 BTU) is generally sized for homes around 1800-2100 sq. ft., though proper sizing depends on a load calculation.
Can I install this myself?
No — central and packaged systems require a licensed HVAC professional for installation, refrigerant handling and startup.
Is heating included?
No — this is a cooling condenser that pairs with your furnace or air handler for heating.
What refrigerant does it use?
Refer to the model specifications for the exact refrigerant type.
Does it need matching components?
Yes — pair it with a correctly matched indoor air handler or evaporator coil for rated performance.
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