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ACiQ 4 Ton Extreme+ Ducted Air Handler Multi-Position 21.5" Cabinet R454B

By ACiQ | SKU: ACIQ-48-PAH | ID: 089649
No Sales Tax - in most states excluding California
Manufacturer Warranty Included
Satisfaction Guarantee - or return within 30 Days
Most Products In Stock - Call or Text (833) 658-3387 for availability
$2,150.00 + FREE SHIPPING

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ACiQ 4 Ton Extreme+ Ducted Air Handler Multi-Position 21.5" Cabinet R454B ACIQ-48-PAH

The ACiQ-48-PAH Extreme+ is a high-efficiency 4-ton ducted air handler built for superior performance in any climate. Featuring a variable speed DC blower and advanced communicating technology, it works with your thermostat and inverter condenser to automatically adjust BTU output for maximum comfort and energy savings. Its slim-fit, multi-positional design allows for flexible installation, and compatibility with R454B refrigerant makes it a future-ready solution. Perfect for homeowners seeking high performance, easy installation and potential tax credit eligibility.

ACiQ-48-PAH Extreme+ 4 Ton Ducted Air Handler – Product Features

  • 4 Ton High-Efficiency Capacity – Delivers powerful central heating and cooling performance, ideal for larger homes and light commercial spaces.

  • Extreme+ Performance Technology – Equipped with advanced communicating capabilities, allowing the thermostat and inverter condenser to automatically optimize BTU output for maximum efficiency and comfort.

  • Variable Speed DC Blower Motor – Ensures quiet operation, enhanced indoor air quality, and superior energy efficiency by adjusting airflow based on demand.

  • Flexible Multi-Positional Design – Can be installed in upflow, downflow, or horizontal left/right configurations, offering installation flexibility to match any layout.

  • Slim-Fit Cabinet for Tight SpacesCompact design makes it easier to install in closets, attics, or narrow mechanical rooms.

  • Compatible with Any 24V Thermostat – Offers broad thermostat compatibility for easy integration with new or existing HVAC control systems.

  • Eco-Friendly Refrigerant Ready – Supports R454B refrigerant, a low-GWP, environmentally friendly option that meets future HVAC industry standards.

  • Rebate & Tax Credit Eligible – High-efficiency performance helps qualify for energy rebate programs and federal tax incentives, adding long-term savings potential.

Installation and Maintenance
The installation process for the ACiQ Extreme+ central ducted air handler is similar to that of other replacement air handlers. Your technician will handle electrical, refrigerant, thermostat, and communication connections, as well as link the air handler to the return and supply ductwork. This air handler is multi-positional (upflow, downflow, or horizontal) and features a narrower cabinet design, offering greater versatility and easier installation compared to other models. It is compatible with any 24v thermostat that supports two stages of heating. For colder days, supplemental electric heat kits are available as a backup heat source.

If maintenance is needed, the air handler’s intelligent control board will display fault codes to help diagnose any issues with the system.

Important Note: For proper function, the air handler must be installed with a condenser and other required installation equipment, which may incur additional costs if not included in the product bundle. Additionally, an electric heat kit is required for straight electric heating and is also available at an extra cost.


ACiQ 4 Ton Extreme+ Ducted Air Handler Multi-Position 21.5" Cabinet R454B ACIQ-48-PAH

Brand ACiQ SKU ACiQ-48-PAH
Weight (in lbs) 186.51 Cooling BTU 48,000 BTU
Maximum CFM 1601 Decibel Level (dBA) Up to 53 Decibels
Electric Backup Heat Capabilities (Optional) 5 Kilowatts, 8 Kilowatts, 10 Kilowatts, 15 Kilowatts, 20 Kilowatts Configuration Multi-Positional
Refrigerant R454B Liquid Line 3/8"
Suction Line 3/4" Electrical 208/230V 1 Phase 60 Hz
Max Breaker Size 15 Amps Min. Breaker Size 14.5 / 10.0 Amps
Tonnage 4 Ton BTU/Tonnage 48,000 BTU/4 Ton
Mini Split Type Multi-Positional Zone Compatibility Single Zone
Connection Flared Height 56"
Width 24.5" Depth 21.5"
Warranty 12 Years Compressor and 7 Years Parts with Online Registration

ACiQ 4 Ton Extreme+ Ducted Air Handler Multi-Position 21.5" Cabinet R454B ACIQ-48-PAH

Warranty Type Parts Compressor
Standard Warranty 5 year parts 7 year parts
Registered Warranty 7 year parts 12 year parts

ACiQ 4 Ton Extreme+ Ducted Air Handler Multi-Position 21.5" Cabinet R454B ACIQ-48-PAH

PAH Installation Manual

PAH Owner's Manual

We ship freight to the 48 contiguous states, excluding Hawaii and Alaska. Some shipping restrictions may apply. Liftgate services may incur an additional fee, which can be added at checkout.

Order Processing: Orders are processed within 1-3 business days (excluding weekends). Orders placed on Fridays will be processed the next business day. Once shipped, you’ll receive an email confirmation with tracking details. Backordered products may have longer processing times, and we will notify you of any delays.

Arrival of Goods: Freight delivery times depend on the carrier's schedule and routing. Estimated delivery times are provided at checkout. The carrier will contact you to arrange delivery, and you must be present to sign for the shipment.

Damages: Upon delivery, inspect your shipment carefully for any damage or discrepancies. Note any issues on the carrier’s delivery receipt and notify us within 24 hours. Claims made after this timeframe may be denied. Photographic proof is required for processing claims. Report damages or discrepancies immediately at support@hvacstore.com.

Returns: For returns unrelated to damage, contact us at support@hvacstore.com for authorization. Return shipping costs are the customer’s responsibility, and a 20% restocking fee applies. Items must be in original packaging and condition for a refund.

Delivery Receipt: Before signing the delivery receipt, inspect the shipment for any damage. Your signature confirms acceptance of the delivery unless issues are noted.

Policy Updates: Our shipping policy may change, and updates will be communicated via our website or other channels. For any questions, contact The HVAC Store at support@hvacstore.com or call (833) 658-3387.

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very reliable company and great prices

Bought a few units from this company and they were very friendly and easy to work with. Either matched prices or beat the price and had fast shipping also.

Excellent company to purchase from

I wasn’t to sure about if this company could deliver it quickly but it arrived within a week. No issues. I needed this one for parts as my first one that I installed a year ago had the ecm go out on the blower fan. Parts are hard to come by for this Chinese brand. I think the ecm went out due to condensation in the main supply plenum dripping onto fan motor. I do like this ac unit but hope the fan lasts longer than a year. I covered the fan ecm with flex seal tape.

Goodman 5 Ton System

Excellent value, customer sales support (a human called to confirm online order... greatly appreciated!), fast shipping. Very happy customer.

A + Company

Great price, communication and service I will be buying another furnace from them Fantastic !

Sale representative Lopez was very experienced and professional. I would recommend this company to any one and I am looking forward to work with Lopez again.


ACiQ 4 Ton Extreme+ Ducted Air Handler Multi-Position 21.5" Cabinet R454B ACIQ-48-PAH

The ACiQ-48-PAH Extreme+ is a high-efficiency 4-ton ducted air handler built for superior performance in any climate. Featuring a variable speed DC blower and advanced communicating technology, it works with your thermostat and inverter condenser to automatically adjust BTU output for maximum comfort and energy savings. Its slim-fit, multi-positional design allows for flexible installation, and compatibility with R454B refrigerant makes it a future-ready solution. Perfect for homeowners seeking high performance, easy installation and potential tax credit eligibility.

ACiQ-48-PAH Extreme+ 4 Ton Ducted Air Handler – Product Features

  • 4 Ton High-Efficiency Capacity – Delivers powerful central heating and cooling performance, ideal for larger homes and light commercial spaces.

  • Extreme+ Performance Technology – Equipped with advanced communicating capabilities, allowing the thermostat and inverter condenser to automatically optimize BTU output for maximum efficiency and comfort.

  • Variable Speed DC Blower Motor – Ensures quiet operation, enhanced indoor air quality, and superior energy efficiency by adjusting airflow based on demand.

  • Flexible Multi-Positional Design – Can be installed in upflow, downflow, or horizontal left/right configurations, offering installation flexibility to match any layout.

  • Slim-Fit Cabinet for Tight SpacesCompact design makes it easier to install in closets, attics, or narrow mechanical rooms.

  • Compatible with Any 24V Thermostat – Offers broad thermostat compatibility for easy integration with new or existing HVAC control systems.

  • Eco-Friendly Refrigerant Ready – Supports R454B refrigerant, a low-GWP, environmentally friendly option that meets future HVAC industry standards.

  • Rebate & Tax Credit Eligible – High-efficiency performance helps qualify for energy rebate programs and federal tax incentives, adding long-term savings potential.

Installation and Maintenance
The installation process for the ACiQ Extreme+ central ducted air handler is similar to that of other replacement air handlers. Your technician will handle electrical, refrigerant, thermostat, and communication connections, as well as link the air handler to the return and supply ductwork. This air handler is multi-positional (upflow, downflow, or horizontal) and features a narrower cabinet design, offering greater versatility and easier installation compared to other models. It is compatible with any 24v thermostat that supports two stages of heating. For colder days, supplemental electric heat kits are available as a backup heat source.

If maintenance is needed, the air handler’s intelligent control board will display fault codes to help diagnose any issues with the system.

Important Note: For proper function, the air handler must be installed with a condenser and other required installation equipment, which may incur additional costs if not included in the product bundle. Additionally, an electric heat kit is required for straight electric heating and is also available at an extra cost.


ACiQ 4 Ton Extreme+ Ducted Air Handler Multi-Position 21.5" Cabinet R454B ACIQ-48-PAH

Brand ACiQ SKU ACiQ-48-PAH
Weight (in lbs) 186.51 Cooling BTU 48,000 BTU
Maximum CFM 1601 Decibel Level (dBA) Up to 53 Decibels
Electric Backup Heat Capabilities (Optional) 5 Kilowatts, 8 Kilowatts, 10 Kilowatts, 15 Kilowatts, 20 Kilowatts Configuration Multi-Positional
Refrigerant R454B Liquid Line 3/8"
Suction Line 3/4" Electrical 208/230V 1 Phase 60 Hz
Max Breaker Size 15 Amps Min. Breaker Size 14.5 / 10.0 Amps
Tonnage 4 Ton BTU/Tonnage 48,000 BTU/4 Ton
Mini Split Type Multi-Positional Zone Compatibility Single Zone
Connection Flared Height 56"
Width 24.5" Depth 21.5"
Warranty 12 Years Compressor and 7 Years Parts with Online Registration

ACiQ 4 Ton Extreme+ Ducted Air Handler Multi-Position 21.5" Cabinet R454B ACIQ-48-PAH

Warranty Type Parts Compressor
Standard Warranty 5 year parts 7 year parts
Registered Warranty 7 year parts 12 year parts

ACiQ 4 Ton Extreme+ Ducted Air Handler Multi-Position 21.5" Cabinet R454B ACIQ-48-PAH

PAH Installation Manual

PAH Owner's Manual

We ship freight to the 48 contiguous states, excluding Hawaii and Alaska. Some shipping restrictions may apply. Liftgate services may incur an additional fee, which can be added at checkout.

Order Processing: Orders are processed within 1-3 business days (excluding weekends). Orders placed on Fridays will be processed the next business day. Once shipped, you’ll receive an email confirmation with tracking details. Backordered products may have longer processing times, and we will notify you of any delays.

Arrival of Goods: Freight delivery times depend on the carrier's schedule and routing. Estimated delivery times are provided at checkout. The carrier will contact you to arrange delivery, and you must be present to sign for the shipment.

Damages: Upon delivery, inspect your shipment carefully for any damage or discrepancies. Note any issues on the carrier’s delivery receipt and notify us within 24 hours. Claims made after this timeframe may be denied. Photographic proof is required for processing claims. Report damages or discrepancies immediately at support@hvacstore.com.

Returns: For returns unrelated to damage, contact us at support@hvacstore.com for authorization. Return shipping costs are the customer’s responsibility, and a 20% restocking fee applies. Items must be in original packaging and condition for a refund.

Delivery Receipt: Before signing the delivery receipt, inspect the shipment for any damage. Your signature confirms acceptance of the delivery unless issues are noted.

Policy Updates: Our shipping policy may change, and updates will be communicated via our website or other channels. For any questions, contact The HVAC Store at support@hvacstore.com or call (833) 658-3387.

Customer Reviews

Be the first to write a review
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