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MRCOOL

MRCOOL Universal 4-5 Ton 18 SEER Central Heat Pump Split System

MRCOOL Universal 4-5 Ton 18 SEER Central Heat Pump Split System

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MDU18048060

$4,531.00
$4,531.00
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Frequently Asked Questions

  • How quickly can you answer my question?

We respond to messages and emails in the order they are received. Most inquiries are addressed within 24 hours during our business hours.

  • Can I change my shipping address after my order has been placed?

If you need to update your shipping address, please email us immediately at info@Hvacfrontier.com with your name and order number. While we’ll do our best to process your request, we cannot guarantee changes once your order has been packed or shipped.

  • How long is the processing period?

Our processing time is 1–2 business days. Orders are processed Monday through Friday, excluding major holidays.

  • How long does shipping take?

Shipping times vary but are typically 5–8 business days after the order has been processed. A tracking number will be provided via email once your order has shipped.

  • Will my order come in one package?

Depending on the size and contents of your order, it may be shipped in multiple packages. If this happens, you will receive tracking information for each package.

  • What happens if an item is out of stock or backordered?

If any items in your order are out of stock, we will notify you via email with an estimated restock date. If restocking will take longer than 2 weeks, we will issue a refund for the unavailable item(s).

  • I received a damaged item. What should I do?

We apologize for any inconvenience caused by receiving a damaged item. Please email us at info@Hvacfrontier.com with your name, order number, and photos of the damaged product so we can assist you.

  • What if an item is missing or damaged in my order?

If you received a damaged item or are missing an item from your order, please contact us within 30 days of delivery at info@Hvacfrontier.com. We’ll work with you to resolve the issue.

  • Can I cancel my order?

If you wish to cancel your order, please contact us immediately at info@Hvacfrontier.com. Cancellation requests are only possible before the order has been processed or shipped.

View full details

The MRCOOL Universal 4-5 Ton Central Heat Pump Split System is an innovative, high-efficiency HVAC solution designed for year-round comfort. Featuring a DC inverter condenser and high static pressure air handler, this system dynamically adjusts performance to deliver energy-efficient heating and cooling while maintaining a whisper-quiet operation.

Engineered for seamless integration with third-party air handlers and smart thermostats (including Wi-Fi, Nest, and Honeywell), this 18 SEER system offers superior climate control, fast heating and cooling response, and exceptional energy savings.

What's Included:

✔ MRCOOL Universal 4-5 Ton Heat Pump Condenser (MDUO18048060)
✔ MRCOOL Universal High ESP 4-5 Ton Air Handler (MDUI18048060E)
✔ Pre-charged with eco-friendly R-410A refrigerant (Linesets not included)

✔ 4-5 Ton capacity – flexible mode selection (4 Ton: 18 SEER / 5 Ton: 17 SEER)
✔ Energy-efficient DC inverter technology for maximum savings
✔ Operates efficiently in extreme temperatures
✔ Fast heating and cooling response for enhanced comfort
✔ Quiet operation with internal fan blade design
✔ Works with third-party thermostats (Wi-Fi, Nest, Honeywell, and more)
✔ Multiple installation configurations (upflow or horizontal)
✔ Fire-proof electrical box with anti-electric shock protection
✔ Easy-to-clean metal filter (fire-resistant and corrosion-proof)
✔ Pre-charged condenser for simplified installation
✔ ETL and AHRI certified for industry compliance
✔ 10-Year Registered Limited Warranty for peace of mind

Performance Data:

  • Cooling Efficiency: 4 Ton Mode: 18 SEER, 5 Ton Mode: 17 SEER
  • Refrigerant Type: R-410A (Pre-charged)
  • Voltage: 208-230V, 60Hz, 1 Phase
  • Smart Compatibility: Wi-Fi, Nest, Honeywell, third-party air handlers & thermostats

Condenser (MDUO18048060):

  • High-efficiency DC inverter compressor
  • Fast cooling and heating performance
  • Internal fan blade for low-noise operation
  • Pre-charged for easy installation
  • ETL & AHRI certified

Air Handler (MDUI18048060E):

  • High-efficiency DC fan motor for quiet, powerful airflow
  • Supports three connection types:
    • Pre-Charged No-Vac
    • Sweat Braze Fitting
    • Flare Fitting
  • Multi-position installation: Upflow or horizontal
  • Two-step condensation protection
  • Fire-proof electrical box with anti-electric shock protection
  • Durable, corrosion-resistant metal filter

✔ Energy-efficient DC inverter motor reduces power consumption
✔ Operates efficiently across extreme temperature ranges
✔ Pre-charged refrigerant for easy installation
✔ 10-Year Registered Limited Warranty for long-term reliability

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