3 Ton MRCOOL Signature 14.3 SEER2 AC System

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Original price was: $3,242.85.Current price is: $3,107.85.

Upgrade your home’s comfort with the 3 Ton MRCOOL Signature 14.3 SEER2 AC System — a reliable, energy‑efficient cooling solution built for South Texas heat. This bundle includes the 36,000 BTU condenser, matching multi‑position air handler, and a 10kW R454B heat kit for dependable year‑round performance.

Original price was: $1,768.00.Current price is: $1,683.00.
: $1,768.00($85.00)
Original price was: $1,293.89.Current price is: $1,243.89.
: $1,293.89($50.00)
Add Installation Service

If you live in the Corpus Christi, Kingsville, Alice, Rockport or Victoria Texas area, we can install your DIY system as long as you also buy the DIY No-Vac Line set. If no Line set Is chosen you can choose Professional Installation and it will be installed by Precision Air of Corpus Christi TX

Description

The 3 Ton MRCOOL Signature 14.3 SEER2 AC System is engineered to deliver dependable cooling performance in demanding climates like the Coastal Bend. With a durable 36,000 BTU condenser and a multi‑position air handler, this system provides flexible installation options and consistent airflow throughout your home. The included 10kW R454B heat kit ensures reliable supplemental heat during cooler months without sacrificing efficiency.

Designed with modern SEER2 standards, this system offers improved energy savings, quieter operation, and long‑lasting reliability backed by MRCOOL’s trusted Signature Series engineering.

What’s Included with The 3 Ton MRCOOL Signature 14.3 SEER2 AC System

  • 3 Ton (36,000 BTU) MRCOOL Signature Condenser
  • Multi‑Position 36,000 BTU Air Handler
  • 10kW R454B Electric Heat Kit
  • Factory‑installed TXV
  • Insulated cabinet for quiet operation
  • R454B refrigerant compatibility
  • Multi‑position installation flexibility (upflow, downflow, horizontal left/right)

Ideal for Home Size

This 3‑ton system is ideal for homes 1,500–1,900 sq. ft., depending on insulation, layout, and sun exposure.

Built for South Texas Heat & Humidity

The MRCOOL Signature Series is engineered for high‑temperature, high‑humidity regions like Corpus Christi, Portland, Rockport, and surrounding areas. With strong airflow, efficient cooling, and durable components, this system maintains comfort even during peak summer conditions.

Professional Installation

This system requires professional installation by a licensed HVAC technician. Proper installation ensures optimal performance, efficiency, and warranty protection.

Why This 3 Ton MRCOOL Signature 14.3 SEER2 AC System Is a Great Choice

  • Reliable cooling for medium‑size homes
  • Energy‑efficient 14.3 SEER2 performance
  • Quiet, durable operation
  • Multi‑position air handler for flexible installs
  • R454B refrigerant for improved environmental performance
  • Includes 10kW heat kit for year‑round comfort
  • Backed by MRCOOL’s Signature Series warranty

Bundle Includes

  • 3 Ton Condenser
  • 36,000 BTU Multi‑Position Air Handler
  • 10kW R454B Heat Kit

Optional Add‑Ons

  • WiFi thermostat
  • UV light kit
  • Surge protector
  • Float switch
  • Condensate pump
  • Line set (various lengths)

Local Support

Your Bargain Mart is an Authorized MRCOOL Dealer serving the Coastal Bend. We provide product support, warranty assistance, and fast shipping throughout Texas.

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Proposition 65 Warning California Residents Only

⚠ California Proposition 65 Warning This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. These warnings are provided in accordance with California law to help consumers make informed decisions. For more information, visit www.P65Warnings.ca.gov (p65warnings.ca.gov in Bing).

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Condenser – Signature 3 Ton up to 14.3 SEER2 36,000 BTU Split Air Conditioner

 

  • Model: MCAESAS4T3621AA
  • Tonnage: 3 Ton
  • Cooling Capacity: 33,000 BTU
  • SEER2: 14.3
  • EER2: 11.7
  • CFM: 2750
  • Refrigerant: R‑454B (Factory pre‑charged, 98.1 oz)
  • Voltage: 208/230V, 1‑Phase, 60 Hz
  • Min Circuit Ampacity: 22.2A
  • Max Fuse/Breaker: 30A
  • Compressor Type: Scroll
  • Fan Motor Type: PSC
  • Sound Rating: 63 dBA
  • Min Ambient Cooling: 59°F
  • Max Line Set Length: 150 ft
  • Liquid Line Size: 3/8″
  • Suction Line Size: 3/4″
  • AHRI Certified: Yes
  • UL/CSA/ETL Listed: Yes
  • Dimensions (W × H × D): 29.14″ × 25″ × 29.14″
  • Weight: 152 lbs (Net), 160 lbs (Gross)
  • Warranty: 10‑Year Parts / Limited Lifetime Compressor

Air Handler – Signature 36,000 BTU Multi‑Position Air Handler

 

  • Model: MCAEAMPEF36C21AA
  • Tonnage: 3 Ton
  • CFM: 1131
  • Voltage: 208/230V, 1‑Phase, 60 Hz
  • Min Circuit Ampacity: 4.5A
  • Max Fuse/Breaker: 6A
  • Refrigerant: R‑454B
  • Blower Motor: High‑Efficiency ECM
  • Blower Motor HP: 1/2 HP
  • Blower Speeds: 5
  • Blower RPM: 1000
  • Filter Size: 18 × 21 × 1
  • Drain Connection: 3/4″
  • Liquid Line Size: 3/8″
  • Suction Line Size: 3/4″
  • Metering Device: Orifice
  • Aux Heat Compatibility: 5kW, 7.5kW, 10kW
  • Sound Rating: 55 dBA
  • Mounting: Multi‑Position (Upflow / Downflow / Horizontal L/R)
  • AHRI Certified: Yes
  • UL/CSA/ETL Listed: Yes
  • Dimensions (W × H × D): 19.625″ × 45.75″ × 22″
  • Weight: 129 lbs (Net), 142 lbs (Gross)
  • Warranty: 10‑Year Parts

Heat Kit – MRCOOL 10kW R454B Heat Kit

(Specs not shown in your tabs, but here is the standard MRCOOL 10kW R454B kit spec format)

  • Heat Output: 10 kW
  • Voltage: 208/230V
  • Breaker: Typically 60A (varies by model)
  • Compatibility: Signature Multi‑Position Air Handlers
  • Safety: Built‑in limit protection
  • Installation: Plug‑in style with wiring harness
  • Warranty: 10‑Year Parts