MRCOOL
MRCOOL DIY 4th Gen 48K BTU 5-Zone Mini Split with 9K + 9K + 9K + 9K + 12K Air Handlers
MRCOOL DIY 4th Gen 48K BTU 5-Zone Mini Split with 9K + 9K + 9K + 9K + 12K Air Handlers
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Frequently Asked Questions
Frequently Asked Questions
Frequently Asked Questions (FAQ)
Welcome to our FAQ page! Below, you’ll find answers to common questions about ordering, shipping, returns, warranties, and more. If you need further assistance, feel free to contact us or call us at +1 507 850-0547.
1. Ordering & Payments
What payment methods do you accept?
We accept the following payment methods:
• Credit & Debit Cards: Visa, MasterCard, American Express, Discover, and Diners Club.
• Digital Wallets: Google Pay, Apple Pay, and Shop Pay.
Can I modify or cancel my order after placing it?
Orders are processed immediately to ensure fast shipping. If you need to make changes, please contact us as soon as possible. However, modifications are not guaranteed once the order has been processed.
Do you offer financing or payment plans?
Currently, we do not offer financing options. All orders must be paid in full at checkout.
How do I confirm my order was placed successfully?
Once your order is placed, you will receive a confirmation email. If you do not receive one, please check your spam folder or contact our support team.
2. Shipping & Delivery
How long does shipping take?
Orders are processed within 1-2 business days and typically delivered within 3-7 business days. Delivery times may vary based on location and product availability.
Do you offer expedited shipping?
Yes, expedited shipping options may be available at checkout. Contact us for details.
How do I track my order?
Once shipped, you will receive a tracking number via email. You can use this number to monitor your shipment’s status.
Do you ship internationally?
No, we currently ship only within the United States.
What should I do if my order arrives damaged?
If your item arrives damaged, take photos and contact our customer support within 48 hours of delivery. We will assist you in resolving the issue.
3. Returns & Refunds
What is your return policy?
We offer a 30-day return policy. If you are not satisfied, you can request a return within 30 days of delivery, provided the item is unused and in its original packaging.
How do I initiate a return?
Contact our support team with your order details to start the return process.
Are there restocking fees for returns?
Some returns may be subject to a restocking fee, depending on the product. Please review our Return & Refund Policy for details.
How long does it take to receive a refund?
Refunds are processed within 5-7 business days after the returned item is inspected.
What if I received the wrong product?
If you receive the wrong item, contact us immediately. We will arrange a replacement at no extra cost.
4. Warranty & Support
How do I claim a product warranty?
Each brand has its own warranty policy. After our 30-day return period, you must contact the manufacturer directly for warranty claims.
Where can I register my product for warranty?
Visit the manufacturer’s website and complete their registration form:
• MRCOOL
• Pioneer
• Costway
• Whynter
• Airfree
• EcoFlow
Who do I contact for warranty support?
Contact the manufacturer using the links above. If you need guidance, our support team is available to assist.
5. Privacy & Security
How is my personal information protected?
We use Shopify’s secure platform with industry-standard encryption to protect your personal data.
Do you store payment details?
No, we do not store payment information. Transactions are securely processed via Shopify Payments and other third-party providers.
Can I opt out of marketing emails?
Yes, you can unsubscribe at any time by clicking the “unsubscribe” link in our emails.
How do I modify or delete my personal data?
Contact us with your request, and we will process it as per our Privacy Policy.
6. General & Contact Information
How can I contact customer support?
You can reach us via:
📧 Email: info@hvacfrontier.com
📞 Phone: +1 507 850-0547
What are your customer service hours?
We are available Monday – Friday, 9:00 AM – 5:00 PM CST.
Where is your company located?
Itana LLC
3851 Oak Ln NE, Circle Pines, MN 55014
Still Have Questions?
If your question isn’t listed here, feel free to contact us or call us at +1 507 850-0547. We’re happy to assist you!
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- Description
- Key Features
- Specifications
- What’s in the Box?
- Why Choose MRCOOL DIY 4th Gen Multi-Zone?
Take complete control of your indoor climate with the MRCOOL DIY 4th Gen 48K BTU 5-Zone Mini Split System, offering energy-efficient heating and cooling across five independent zones. This system includes four 9K BTU air handlers and one 12K BTU air handler, making it ideal for homes, garages, workshops, and offices. With smart home integration, Gold Fin® anti-corrosion technology, and DIY-friendly installation, this multi-zone system delivers maximum efficiency and seamless climate management year-round.
Condenser (48K BTU)
- DIY Installation – Pre-Charged Quick Connect Line Sets simplify installation without professional help.
- Corrosion Resistance – Gold Fin® coating enhances durability, ideal for coastal and humid environments.
- Energy Efficient – 20.5 SEER2 and 8.5 HSPF-5 reduce power consumption while maintaining high performance.
- Works in Extreme Weather – Operates in temperatures from -13°F to 122°F for year-round use.
- Long-Term Protection – 7-year compressor warranty and 5-year parts warranty.
Air Handlers (9K + 9K + 9K + 9K + 12K BTU)
- Independent Climate Control – Customize temperatures in five separate rooms/zones.
- Versatile Operating Modes – Features Cool, Heat, Auto, Dry (dehumidify), Fan-Only, Quiet, and Sleep Mode.
- Smart Home Integration – Compatible with SmartHVAC App, Amazon Alexa, and Google Assistant.
- Compact, Wall-Mounted Design – Efficiently cools and heats spaces while blending into your home décor.
- Minimal Maintenance – Washable air filters and auto-clean mode ensure long-term efficiency.
Pre-Charged Line Sets for Easy DIY Setup
- No Vacuuming Needed – Pre-filled with R-410A refrigerant, simplifying the installation process.
- Leak-Proof Quick Connect – Secure, sealed fittings prevent refrigerant leaks.
- Flexible Installation – Includes five 16 ft. 1/4 x 1/2 line sets, adaptable to various room layouts.
48K BTU Multi-Zone Condenser
- Cooling Capacity: 48,000 BTU
- Heating Capacity: 48,000 BTU
- Zone Capacity: Up to 5 zones
- Outdoor Operating Temp (Cooling): 5°F - 122°F
- Outdoor Operating Temp (Heating): -13°F - 75.2°F
- SEER2: 20.5
- EER2: 11
- HSPF-4: 11
- HSPF-5: 8.5
- Power Supply: 208V-230V/60Hz
- Minimum Circuit Ampacity: 40-60A
- Condenser Dimensions: 37.48"W x 16.34"D x 52.48"H
- Registered Warranty: 7 years on compressor, 5 years on parts
9K BTU Wall Mount Air Handlers (x4)
- Cooling Capacity: 9,000 BTU
- Heating Capacity: 9,000 BTU
- Coverage Area: 180 - 375 sq. ft. per unit
- Modes: Auto, Cool, Heat, Dry, Fan, Quiet, Sleep
- Power Supply: 208V-230V/60Hz
- Dimensions: 31.57"W x 7.44"D x 11.69"H
- Registered Warranty: 5 years on parts, 1 year on remote
12K BTU Wall Mount Air Handler (x1)
- Cooling Capacity: 12,000 BTU
- Heating Capacity: 12,000 BTU
- Coverage Area: 376 - 500 sq. ft. per unit
- Modes: Auto, Cool, Heat, Dry, Fan, Quiet, Sleep
- Power Supply: 208V-230V/60Hz
- Dimensions: 31.57"W x 7.44"D x 11.69"H
- Registered Warranty: 5 years on parts, 1 year on remote
Line Sets
- (5) 16 ft. 1/4 x 1/2 Pre-Charged Line Sets – Compatible with 9K, 12K & 18K BTU Air Handlers
- Pre-Charged with R-410A Refrigerant
- Registered Warranty: 5 years on parts
✔ 1 x MRCOOL DIY 4th Gen 48K BTU Multi-Zone Condenser
✔ 4 x 9K BTU Wall Mount Air Handlers
✔ 1 x 12K BTU Wall Mount Air Handler
✔ 5 x 16 ft. Pre-Charged Line Sets (1/4 x 1/2)
✔ 5 x MRCOOL Remote Controls
✔ 5 x Wall Sleeves
- No Technician Required – DIY-friendly installation with Pre-Charged Quick Connect Line Sets.
- Smart Control Features – Adjust settings remotely with WiFi, Alexa, or Google Assistant.
- Maximum Efficiency – 20.5 SEER2 rating reduces energy usage and costs.
- Reliable Year-Round Performance – Works in extreme hot and cold temperatures.
- Strong Warranty Support – 7-year compressor & 5-year parts warranty for peace of mind.
Free Shipping On All Orders

Available Mon - Fri
30 Day Return Policy

For All Brands

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