Whole-home HVAC / Signature · Air conditioner outdoor unit

Signature · Air conditioner outdoor unit

MCAESAS4T3021AA$1,524.51
Signature · Air conditioner outdoor unitR-454B
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MRCOOLAuthorized Dealer

MRCOOL DIY DIRECT Signature Series

MRCOOL Signature 2.5 Ton 30K BTU Split Air Conditioner Condenser, MCAESAS4T3021AA

Choose the exact component. Commission a professionally matched system.

MCAESAS4T3021AA

Cooling: 27500 Btu/hR-454BComponent only
Regular price $1,524.51
Sale price $1,524.51 Regular price $1,980.00
You Save: $455.49
SaleYou save $455.49

Selected equipment configuration · MCAESAS4T3021AA

Traditional HVAC installation. Signature is not a DIY-install system. Plan installation with a qualified HVAC professional; follow MRCOOL instructions and applicable licensing and code requirements. Installation & warranty details

Equipment configurationDefault Title
Quantity total$1,524.51

Checking this configuration…

Signature split equipment

Professional equipment. Straightforward purchasing.

Homeowners and professionals can purchase this equipment online. This is an individual outdoor condenser, not a complete indoor/outdoor system. Matching equipment and installation materials are separate unless expressly listed as included.

Plan the installation

Use the exact-model installation instructions and a verified equipment match. Refrigerant connections, evacuation, commissioning, electrical work, ductwork and permits require appropriate expertise. A licensed contractor is required where applicable law or manufacturer-directed diagnostics require one.

Manufacturer warranty & support

The applicable limited warranty provides 10-year limited parts coverage and limited lifetime compressor coverage for the original owner, as defined in the document. Labor, installation, diagnostics, refrigerant and freight are excluded under the linked terms. Coverage is subject to authorized-dealer purchase, compliant installation, approved matching, maintenance and the other conditions and exclusions in the warranty.

Keep proof of purchase and installation records. Follow any registration instructions supplied with your equipment; the linked warranty does not state a registration-based extension deadline. Optional CPS protection is separate from the manufacturer warranty.

Read the Signature split equipment warranty PDF ↗

About This Equipment

MRCOOL Signature 2.5 Ton 30K BTU Split Air Conditioner Condenser, MCAESAS4T3021AA is an outdoor-unit component from MRCOOL. Key catalog details include 30K BTU. The details below identify the exact listing scope and configuration so you can verify fit before ordering.

Read full product description

MRCOOL Signature 2.5 Ton 30K BTU Split Air Conditioner Condenser, MCAESAS4T3021AA is an outdoor-unit component from MRCOOL. Key catalog details include 30K BTU. The details below identify the exact listing scope and configuration so you can verify fit before ordering.

Key product details

Brand MRCOOL
Listing type Outdoor-Unit Component
Model / base SKU MCAESAS4T3021AA
Nominal capacity 30K BTU
Tonnage 2.5 Ton

Configuration and compatibility

  • Listing scope: This is an outdoor-unit component listing. Indoor equipment and installation materials are included only when explicitly named in the title or selected product option.
  • Model verification: Match the model or base SKU above to the required equipment and manufacturer documentation before purchase.
  • Included configuration: This listing covers the exact product and selected variant shown on this page. Confirm package contents and required companion equipment before ordering.

Installation note

HVAC, refrigerant, gas, and electrical work must follow manufacturer instructions and local code. Professional installation may be required for proper commissioning, safety, and warranty eligibility.

Manufacturer limited warranty

10-year limited parts coverage and a limited lifetime compressor warranty for the original owner, as defined in the manufacturer document. Coverage starts from proof of purchase and is non-transferable. Authorized-dealer purchase, approved equipment matching, compliant installation and maintenance are required. Labor, refrigerant and freight are excluded. A licensed contractor is required where law or manufacturer-directed diagnostics require one. See the full manufacturer terms and exclusions. Read the applicable MRCOOL limited-warranty PDF.

Additional technical specifications

These details supplement the original product information above. System efficiency depends on the exact approved equipment match.

Additional verified equipment specifications
Rated cooling capacity27500 Btu/h
SEER214.3
EER211.7
Voltage208/230 V
Phase1
Frequency60 Hz
Maximum fuse or breaker30 A
Minimum circuit ampacity18 A
RefrigerantR-454B
CompressorScroll
Liquid line3/8 in
Suction line3/4 in
Airflow2200 CFM
Depth23.6 in
Height25 in
Width23.6 in
Weight134 lb
Minimum cooling ambient59 °F

PLAN YOUR WHOLE-HOME COMFORT

Which MRCOOL whole-home system is right for you?

01 / CENTRAL DUCTED SPLIT

Separate indoor + outdoor equipment

A matched air handler and outdoor heat pump connect with refrigerant piping. Plan indoor space, duct airflow and the exact connection method.

Buying difference: verify the actual equipment package and line-set configuration. HyperHeat, VersaPro, Universal and Signature have distinct purchasing rules; Signature stays professional/traditional.

Explore central ducted systems ↗
02 / PACKAGED HEAT PUMP

All-electric comfort in one cabinet

Heating and cooling equipment is assembled outdoors and connected to your ducts. Verify discharge direction, design-temperature heating output and electrical service.

Buying difference: no split-system line set. Optional auxiliary heat needs an exact compatible kit and circuit plan; it is not assumed included.

Explore packaged equipment ↗
03 / GAS + ELECTRIC PACKAGED

Gas heating. Electric cooling.

One outdoor cabinet combines a gas furnace and air conditioning. Your qualified installer must verify fuel supply, combustion, exhaust and duct configuration.

Buying difference: gas input is not delivered heat output. Do not assume conversion-kit availability or homeowner installation.

Explore gas/electric equipment ↗

REPLACEMENT SEASON, PLANNED WELL

Comfort starts with the installation plan.

For cold-weather replacement, compare exact heating output at your local design conditions—not nominal tonnage alone. Existing ducts, available fuel, electrical capacity and professional installation all matter. Have a qualified installer verify the exact model’s heating performance, available service and site requirements.

EXACT-MODEL INFORMATION

The details, when you need them.

5 resources

GOOD QUESTIONS. CLEAR ANSWERS.

Before you decide.

What is included with MCAESAS4T3021AA?

This listing is the air conditioner outdoor unit only. It is not an indoor/outdoor equipment bundle.. This listing is for the identified equipment component; a compatible complete system may require separately purchased equipment and installation materials.

What installation connections does this equipment need?

Professional/traditional installation only. No pre-charged DIY pathway, unverified companion equipment, heat kit or conversion kit is selected. A system match requires exact manufacturer/AHRI evidence; no pairing is inferred from tonnage.

Follow the exact model instructions, permits and local codes. Installation method, refrigerant connection type and included equipment are separate decisions.

Is this the right size for my house?

Floor area alone does not establish design load. Use our existing Manual J planning tool and have the exact equipment selection checked against your home, ducts, climate and installation requirements.

What does the warranty cover?

Use the exact model-family limited warranty linked above. Purchase date, application, installation and other conditions matter. This page makes no automatic labor-coverage promise and does not replace the manufacturer’s terms.

Will the page add accessories to my cart?

No. Add to Cart adds only MCAESAS4T3021AA and your selected quantity. Line sets, controls and other installation materials are separate purchases. Check the exact matched equipment and connection requirements before choosing accessories.