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Mitsubishi Mitsubishi  |  SKU: PAA-AA18NL
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Mitsubishi PAA-AA18NL 18,000 BTU Cased Coil Indoor Unit - R454B

Regular price $1,172.00

Is this system right for you?

18000 Btu/h BTU's
19000 Btu/h
Width
14 in
Height
26 in
Depth
21 in
Weight
71.7 lb
Bundled
Purchase
All in
One Buy
Good for
Replacements

What's in the box

  • Mitsubishi PAA-AA18NL 18,000 BTU Cased Coil Indoor Unit - R454B

  • Product Specs

  • Product Brochure

  • Parts Manual

  • Limited Warranty (ONLY VALID IF INSTALLATION DONE BY LICENSED CONTRACTOR)

Need help with choosing a system or have other questions? Talk with one of our trusted HVAC professionals today! 678-535-7176

Email us at : sales@acunitsforless.com

Call us at : 678-535-7176

 Physical Address : Unit 1284, 2210 Holly Springs Parkway, Holly Springs, Georgia 30142, United States

  • Factory Warranty
  • Secure Checkout
  • 60-Day Returns*
  • Pro Support
  • Authorized Dealer


Shipping Policy

Once you place an order on AC units for less, we will promptly reach out to express our gratitude for your purchase and address any inquiries you may have. Our team will also review your order with you to ensure that you have selected the right equipment for your specific needs.

Order Process

Our order process includes a handling or production time in addition to the transit time. Delivery time = handling time + transit time.

Handling Time

All the products undergo a production process, so there will be a handling time of 2–3 business days from Monday to Friday. If your order is placed and payment is received after 2 p.m., then we will process the order the next business day.

Transit Time

Our shipping providers take 3-4 business days to deliver the order. It's an estimate, so there might be a delay.

Shipping Providers

We primarily use UPS or FEDEX for our deliveries. However, we reserve the right to use other carrier services as required to ensure efficient delivery. After an order ships, the shipping carrier will contact customers to coordinate the delivery schedule. 

Once an order has been processed and shipped, it's important to note that the shipping address cannot be altered. Items designated for pickup at the terminal will only be released to the individual listed on the shipping label. A valid driver's license and a signature will be required for the release of the shipment. We adhere strictly to this policy, with no exceptions.

Shipping Rates

We offer free shipping on all orders except for Flat Bed Shipping or Oversized items. Flat Bed Freight Shipping applies to units larger than 7.5 tons. These items will be delivered via flat bed truck and may require additional delivery coordination. Flat rate charges will be shown at checkout for eligible item. Hot Point PTAC items if ordered under 8 Units different freight is charged

Damages and shipping issues

At ACUnitsForLess.com, we are committed to providing our customers with a superior buying experience. We offer free crating to safeguard your equipment during transit, thus eliminating any concerns regarding damage. When you compare our shipping policy to that of our competitors, you'll notice the difference. Customers are not held accountable for any damage to their orders. 

Please make your purchase with confidence, knowing that we will ensure you receive the correct equipment that is brand new and in perfect condition.

How do I handle a return shipment?

You may return your unopened order within 60 days for a refund, minus shipping costs and a 25% restocking fee. Customers will be responsible for return shipping costs. Please keep your original box for shipping.

Cancellation

All orders cancelled after 6 hours from the confirmation email will follow the  return process,  whether or not your order has been shipped. If your order has shipped, you (the buyer) will also be responsible for return shipping charges. Refunds will be issued to the original credit card.

However, if you cancel the order before 6 hours, we will refund your full money.

To process the cancellation, please call us at +1  678-535-7176. We will not be available on Saturday and Sunday, so if somehow you have purchased a product on these days, then contact us on Monday before 3 pm.

If you need any help, feel free to contact us

Address : Unit 1284, 2210 Holly Springs Parkway, Holly Springs, Georgia, 30142, United States
E-Mail: sales@acunitsforless.com
Phone: +1  678-535-7176
Customer Service: Monday to Friday between 9:00 am to 5:00 pm.

Return Policy

If you are not entirely happy with your purchase, you can return your item/s within 60 days of delivery for a full refund of the original payment.

Once we have received the product(s) and, if appropriate, any packaging, a refund will be credited to the payment card account within two weeks; please note that it may take up to 3 days for your bank to credit your account. We are not liable and cannot take responsibility for any bank charges you may incur during the refund process.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right. In this case, we will cover the cost of return shipping as well as we will not charge any restocking fee.

Exchanges

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item. The cost of return shipping is the responsibility of the customer if you want to Exchange. Also we will charge 25% restocking fee.

Return Eligibility

Your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging to be eligible for a return. You’ll also need the receipt or proof of purchase.

Non-returnable items

The following items are not eligible for return:

  • Items that weren't returned within 60 days from the date the customer received the item
  • Items that have been used or damaged by the customer
  • Items that are not in their original packaging
  • Items that do not have all tags and accessories
  • Unfortunately, we cannot accept returns on sale items or gift cards.
  • Items that are consumable and  other wise stated cannot be returned examples are parts, compressors, misc items
  • Special order units
  • Custom-configured products
  • Commercial Units 
  • Consumable parts 
Return Costs

The cost of return shipping is the responsibility of the customer, except in the case of items that were damaged in transit. In that case, we will cover the cost of return shipping.

Restocking Fee

We charge 25% Restocking Fee, except product got damaged by carrier.

To start a return, you can contact us at sales@acunitsforless.com. If your return is accepted, we’ll send you a return shipping label and instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Cancelled Orders

An order that has shipped cannot be cancelled. If you refuse an order which has already been shipped, not due to damage, you will be responsible for paying an ORDER RETURN FEE. We incur a fee from the freight carrier to return items that have been shipped, this fee is dependent on the item refused and the destination location.

Built-to-Order Items

There are no returns allowed for products which have been specially built for you and shipped by the manufacturer. These items are not routinely stocked at our warehouse and therefore cannot be returned.

Final Sale Policy

 By placing an order, the purchaser expressly acknowledges and agrees to the following terms:

1. No Returns or Exchanges
Final sale items are not eligible for return, exchange, substitution, or store credit for any reason, including but not limited to dissatisfaction, incorrect selection, incompatibility, or change of mind.

2. No Refunds
All sales of final sale items are final and non-refundable. Once an order is placed, it cannot be canceled, modified, or refunded.

3. Assumption of Risk
The purchaser assumes full responsibility for determining product suitability, compatibility, and compliance with applicable codes, regulations, and intended use prior to purchase.

4. Condition and Disclaimer
Final sale items are sold “AS IS” and “WITH ALL FAULTS” with no representations or warranties, express or implied, including but not limited to any implied warranties of merchantability, fitness for a particular purpose, or non-infringement, except where prohibited by law.

5. Shipping and Damage Claims
Any damage occurring during transit must be reported in writing within 48 hours of delivery with supporting photographs. Failure to report within this period constitutes acceptance of the product.

6. Chargebacks and Disputes
The purchaser agrees not to initiate any chargebacks or payment disputes related to final sale items. Any chargeback initiated in violation of this policy may be contested with the payment processor using this agreement as evidence.

7. Severability
If any provision of this policy is deemed unenforceable under applicable law, the remaining provisions shall remain in full force and effect.

If you need any help, feel free to contact us

Address: Unit 1284, 2210 Holly Springs Parkway, Holly Springs, Georgia, 30142, United States
E-Mail: sales@acunitsforless.com
Phone: +1  678-535-7176
Customer Service: Monday to Friday between 9:00 am to 5:00 pm.

Refund Policy

We provide a 60-day return policy for your convenience. To initiate a return, it is essential that the items remain unused and in their original manufacturer's packaging. When returning the equipment, please ensure that you reuse all shipping materials that were initially used to protect the equipment during shipment.

We will provide the return label.

Upon receiving your return, we will issue a refund for the full order amount, minus the return shipping cost and a 25% restocking fee.

Final Sale Policy

 By placing an order, the purchaser expressly acknowledges and agrees to the following terms:

1. No Returns or Exchanges
Final sale items are not eligible for return, exchange, substitution, or store credit for any reason, including but not limited to dissatisfaction, incorrect selection, incompatibility, or change of mind.

2. No Refunds
All sales of final sale items are final and non-refundable. Once an order is placed, it cannot be canceled, modified, or refunded.

3. Assumption of Risk
The purchaser assumes full responsibility for determining product suitability, compatibility, and compliance with applicable codes, regulations, and intended use prior to purchase.

4. Condition and Disclaimer
Final sale items are sold “AS IS” and “WITH ALL FAULTS” with no representations or warranties, express or implied, including but not limited to any implied warranties of merchantability, fitness for a particular purpose, or non-infringement, except where prohibited by law.

5. Shipping and Damage Claims
Any damage occurring during transit must be reported in writing within 48 hours of delivery with supporting photographs. Failure to report within this period constitutes acceptance of the product.

6. Chargebacks and Disputes
The purchaser agrees not to initiate any chargebacks or payment disputes related to final sale items. Any chargeback initiated in violation of this policy may be contested with the payment processor using this agreement as evidence.

7. Severability
If any provision of this policy is deemed unenforceable under applicable law, the remaining provisions shall remain in full force and effect.

genuine_parts

IMPORTANT: HVAC and Water Heater parts and accessories should only be installed by qualified technicians. Failure to understand and follow the manufacturer’s installation and use instructions may result in fire or explosion, electric shock, property damage, injury or loss of life. It is your responsibility to seek professional advice when installing and using these parts and accessories.

The Mitsubishi PAA-AA18NL is an 18,000 BTU intelli-HEAT cased coil indoor unit designed for ducted applications and for hybrid HVAC systems utilizing R454B refrigerant. The Mitsubishi PAA-AA18NL is designed for dependable, reliable and reliable installation for efficient cooling and heating operation. This unit integrates with existing ductwork and furnace configurations for effective Temperature transfer.

Product Overview

The Mitsubishi PAA-AA18NL is designed for indoor comfort and is intended for use with a compatible Mitsubishi outdoor heat pump. The multi-position cabinet configuration creates flexible installation options in ducted systems and is compatible with new low-GWP R454B refrigerant. This unit is designed for residential and light commercial use and the coil is designed to enhance the airflow and efficiency of the entire system within the traditional forced airflow systems.

Quick Facts

  • Model / SKU: PAA-AA18NL
  • System Type: Cased Coil Indoor Unit
  • Capacity: 18,000 BTU
  • Refrigerant Compatibility: R454B
  • Voltage: 208/230 V, Single-Phase, 60 Hz
  • Type: intelli-HEAT Cased A-Coil
  • Line Size: 3/8″ Liquid × 5/8″ Gas
  • Configuration: Multi-Position (Vertical or Horizontal)
  • Application: Ducted Hybrid/Dual-Fuel and All-Electric Systems
  • Dimensions (W × D × H): Approx. 14-1/2" x 21-7/16" x 27-1/2"

Capacity & Coverage

The Mitsubishi PAA-AA18NL has a capacity of 18,000 BTU, allowing for effective conditioned air delivery within ducted HVAC systems. It evenly distributes heating or cooling through standard ductwork when paired with an appropriately sized outdoor heat pump and existing furnace.

Efficiency

The Mitsubishi PAA-AA18NL is designed with R454B refrigerant in mind, allowing for efficient heat transfer and balanced airflow. Coupled with compatible Mitsubishi outdoor equipment, the internal coil construction has been designed for steady system performance.

Construction & Design

The Mitsubishi PAA-AA18NL is designed with a robust, multi-position cabinet that supports varied installation. Its compact size and multi-position cabinet support installation within most ducted systems, allowing it to easily fit within retrofits or systems designed to replace existing HVAC.

Installation & Application

This unit is intended for ducted HVAC systems utilizing existing furnace infrastructure. The Mitsubishi PAA-AA18NL must be paired with a compatible Mitsubishi outdoor heat pump to complete the system and provide full cooling and heating performance.

Noise & Comfort

The Mitsubishi PAA-AA18NL is designed to maintain steady airflow and balanced temperature distribution through ducted systems, supporting consistent indoor comfort throughout the space.

Documents


Submittal

FAQs

Q1: What refrigerant does the PAA-AA18NL use?
It works with the R454B refrigerant in the relevant Mitsubishi heat pump systems.

Q2: What type of system is this unit designed for?
It is designed for ducted applications using existing furnace and ductwork infrastructure.

Q3: Can this unit be installed in multiple orientations?
Yes, the multi-position cabinet supports both vertical and horizontal configurations.

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PRODUCT INFORMATION DISCLAIMERS

Safety Liability Notice

We are not liable for any injuries, damages, or losses resulting from improper service or installation of our products. While we strive to provide reliable and high-quality HVAC products, any issues arising from improper handling, installation, or maintenance are the sole responsibility of the installer or service provider. Customers are encouraged to engage qualified professionals for installation and servicing to ensure safety and optimal performance. By purchasing and using our products, customers agree to hold The Acunitsforless Company harmless from any liability related to improper service or installation. It is essential to follow all manufacturer guidelines, industry standards, and local building codes to mitigate risks and ensure safe operation.

Installation Disclaimer

Please note that all installations should be performed by a licensed and experienced HVAC professional. Improper installation may result in equipment malfunction, reduced performance, increased energy consumption, and potential safety hazards.

Furthermore, it is essential to understand that any installation not conducted by a qualified HVAC professional may result in the voiding of warranty coverage. Manufacturers typically require installations to be carried out by certified technicians to uphold warranty terms and conditions.

By choosing to have your HVAC systems installed by a qualified professional, you not only protect your investment but also ensure the optimal performance and safety of your heating, ventilation, and air conditioning systems while maintaining warranty coverage.