SKU: 14396983435

MRCOOL Signature Series TruInverter 3 Ton Central Heat Pump Split System | 36K BTU | Up to 19 SEER2 | R-454B | MCSHV9M3621BA

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Description

MRCOOL Signature Series TruInverter 3 Ton Central Heat Pump Split System | 36K BTU | Up to 19 SEER2 | R-454B | MCSHV9M3621BAMRCOOL Signature Series TruInverter 3 Ton Central Heat Pump Split System The MRCOOL Signature Series TruInverter 3 Ton Heat Pump Split System is a high efficiency, inverter driven HVAC solution designed for whole home comfort in demanding environments. Built for performance, reliability, and energy efficiency, this system delivers consistent heating and cooling without the temperature swings of traditional systems. With a 36,000 BTU (3 Ton) capacity,

MRCOOL Signature Series TruInverter 3 Ton Central Heat Pump Split System

The MRCOOL Signature Series TruInverter 3 Ton Heat Pump Split System is a high-efficiency, inverter-driven HVAC solution designed for whole-home comfort in demanding environments. Built for performance, reliability, and energy efficiency, this system delivers consistent heating and cooling without the temperature swings of traditional systems.

With a 36,000 BTU (3 Ton) capacity, this system is ideal for larger residential homes and light commercial applications. The advanced TruInverter variable-speed compressor continuously adjusts output based on real-time demand, improving comfort while reducing energy consumption.

Key Features

  • 3 Ton (36,000 BTU) heating and cooling capacity for whole-home applications
  • Up to 19 SEER2 efficiency for reduced energy costs
  • TruInverter variable-speed compressor for precise climate control
  • R-454B refrigerant for improved environmental performance
  • Reliable operation in extreme temperatures
  • Quiet performance with sound-dampening design
  • Durable steel cabinet and louvered coil guard
  • Service-friendly design for easier maintenance
  • Compatible with standard 24V thermostats

Performance & Efficiency

Specification 3 Ton TruInverter System
Cooling Capacity 36,000 BTU
Heating Capacity 36,000 BTU
SEER2 Up to 19.0
HSPF2 9.0
Operating Range (Cooling) Up to 125°F outdoor temperature
Operating Range (Heating) Down to -5°F outdoor temperature
Refrigerant R-454B

Advanced TruInverter Technology

Unlike traditional single-stage systems that cycle on and off, the TruInverter system operates at variable speeds to match demand. This results in:

  • Consistent indoor temperatures with minimal fluctuation
  • Improved energy efficiency and lower operating costs
  • Reduced wear on system components
  • Quieter overall system operation

Installation & Compatibility

This central split system is designed for flexible installation and works with a variety of indoor air handlers and thermostats. It is compatible with:

  • Standard 24V thermostat systems
  • Multiple air handler configurations
  • Residential and light commercial ducted systems

Note: Professional installation is required. Proper sizing, airflow design, and electrical setup are critical for optimal system performance.

Durability & Build Quality

Built for long-term performance, the MRCOOL Signature Series features a rugged exterior design and protective components that help withstand environmental wear. Service-friendly access points and built-in diagnostics simplify maintenance and troubleshooting.

Warranty Information

Coverage Details
Parts 10-Year Limited Parts Warranty
Compressor Limited Lifetime Compressor Warranty

Why Choose the MRCOOL 3 Ton TruInverter System?

If you need a high-capacity, energy-efficient HVAC system that delivers consistent performance in both extreme heat and cold, the MRCOOL Signature Series TruInverter 3 Ton system is a reliable choice. Designed for professional installations, it offers advanced technology, durable construction, and long-term efficiency for whole-home comfort.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 14396983435

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Terri R
Port Orchard, US
★★★★★ 5
a life in letters
Format: Kindle
What a moving story. I thought I would be bored reading someone’s correspondence, I was not. This is a well written, interesting and moving book. A life in letters. Loved it.
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Reviewed in the United States on May 28, 2026
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LL
San Leandro, US
★★★★★ 5
Staying Connected Old School
Format: Kindle
The written word has power. Letter witing creates kindred connection. The Correspondant is a wonderful reminder of both! Full of heart and real life in out world not just smiles and happy moments.
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Reviewed in the United States on May 21, 2026
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FireCapt.
New York, US
★★★★★ 5
Beautiful story
Format: Kindle
Loved this book and the way it was written. Written words are a beautiful thing. Highly recommend this book to all
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Reviewed in the United States on May 28, 2026
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Frank Mathews Jr.
Omaha, US
★★★★★ 4
Heartwarming & real!
Format: Kindle
Life can be so difficult ...this story is about learning that we all make mistakes along the way, doing the best we can. Its about learning to forgive ourselves. Beautiful.
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Reviewed in the United States on May 24, 2026
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LCD
Lowell, US
★★★★★ 5
many feelings
Format: Kindle
I didn’t know what this book was about when I first started reading.. one thing I felt at the beginning was…amazement? I love writing letters, something I don’t do often, I recently bought this beautiful fountain pen, I wanted to start small, writing greeting cards to family and friends, birthday cards, thank yous, etc. what I didn’t expect is the emotional toll this book had on me, and other members of my family who read the book for our book club. The subject matters, death of a child, husband dying of cancer, the significance of May 29th, all impacted our family, and so, as I read this book, I had to put it down several times because I had to cry, compose myself, think of regrets I have, and remember. How amazing it is that Sybil was able to write all about the death of her child to her dead child. I always say that writing it down on paper releases your burden in your head…it is true, I think writing letters, even the ones she didn’t send helped her quiet her head, at least for a while. I truly love this book. I have been borrowing books from Libby to read for our book club for a very long time, there have been books that I fell in love with, and always thought if I want to read them again I’ll just borrow them again, this book is the first one that I want to own physically to put on my shelf and know that I have it to read over and over again when I want to reflect and then quiet my head. ( This is the longest review I’ve written about a book I’ve read, I hope it makes sense).
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Reviewed in the United States on May 21, 2026

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