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MRCOOL
MRCOOL DIY 4th Generation 9K BTU Wall Mount Air Handler
MRCOOL DIY 4th Generation 9K BTU Wall Mount Air Handler
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SKU:DIY-09-HP-WMAH-230C25
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MRCOOL DIY 9K BTU Ductless Wall Mounted Air Handler (DIY-09-HP-WMAH-230C25)
Part of the MRCOOL DIY system, the 9K BTU Ductless Wall Mounted Air Handler is engineered for high efficiency and easy installation. Delivering up to a 22 SEER rating, it’s capable of effectively heating or cooling spaces up to 375 sq. ft. With its compact, lightweight design and included mounting plate, it’s simple to install on most interior walls—no professional help required.
This versatile unit offers multiple operating modes, including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP. It also features built-in WiFi control via the SmartHVAC app, allowing you to manage your comfort from anywhere using your Apple or Android smartphone. It’s also compatible with Amazon Alexa and Google Assistant for hands-free operation.
Designed for true DIY installation, this air handler pairs with MRCOOL’s patented Pre-Charged Quick Connect Line Set. The line set comes pre-filled with R-410A refrigerant and uses quick-connect fittings that require only basic tools—no vacuuming or specialized equipment needed.
Let the 4th Generation MRCOOL DIY 9K BTU Air Handler take care of your home’s year-round comfort needs with ease and efficiency.
Key Features:
• SmartHVAC App: WiFi control from your Apple or Android device
• Voice Control: Works with Amazon Alexa and Google Assistant
• DIY Installation: Includes MRCOOL DIY Pro™ Cable for added safety and weather protection
• Warranty: Standard 7-year compressor and 5-year parts warranty; register for a limited lifetime compressor warranty.
Product Specifications
• Dimensions: 31.57” W x 7.44” D x 11.69” H
• Weight: 23.81 lbs
• Cooling Capacity: 9,000 BTU
• Heating Capacity: 9,000 BTU
• Voltage Requirement: 208V–230V / 60Hz / 3-15A
Ensure your home meets this electrical requirement before purchase
• Phase: Single-phase
• Frequency: 60 Hz
• Maximum Fuse Breaker: 15 A
• Minimum Circuit Ampacity: 3 A
• Mount Type: Wall-mounted
• Color: White
• Maximum Coverage Area: Up to 375 sq. ft.
• Refrigerant Type: R-410A
• Inverter Technology: Yes
• Line Set Sizes:
• Liquid Line: 1/4”
• Suction Line: 1/2”
• Blower Motor Speeds (RPM): 1050 / 850 / 650
• Noise Level: 25 – 40 dBA
Operating Modes
• Fan Only
• Quiet Mode
• Auto Cool
Smart Features
• WiFi Compatible: Yes
• App Compatible: Yes
• iOS
• Android
• Voice Assistant Support:
• Amazon Alexa
• Google Assistant
Included Accessories
• Remote Control
• Batteries
Certifications
• Energy Star Certified
• AHRI Certified
Warranty
• 5-Year Parts Warranty
• 7-Year Compressor Warranty
• Eligible for limited lifetime compressor warranty with registration
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, 10:00 AM – 6:00 PM CST.
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!
