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ACiQ 4 Ton 16.5 SEER2 Central Heat Pump System Inverter Extreme Heat R454B

By ACiQ | SKU: ACiQ-48-HPD ACiQ-48-AHD | ID: 089664
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
$5,244.00 + FREE SHIPPING

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ACiQ 4 Ton 16.5 SEER2 Central Heat Pump Inverter Extreme Series R454B ACiQ-48-HPD

Engineered for year-round performance, the ACiQ-48-HPD delivers powerful heating and cooling with smart inverter technology, adaptive sizing, and advanced sensors for optimal efficiency. Capable of heating down to -22°F, this Extreme Series unit adjusts output in real-time for precise comfort and up to 75% savings on cold-weather heating costs. Eco-friendly R454B refrigerant and whisper-quiet operation make it a smart, future-ready solution for any climate.

  • Wide Variable BTU Output for Optimal Comfort
    Intelligent performance with 12,000–48,000 BTU cooling and 12,000–50,000 BTU heating, adjusting output based on demand for maximum efficiency.

  • Eco-Conscious R454B Refrigerant
    Utilizes low-GWP R454B refrigerant, meeting modern environmental standards and improving sustainability.

  • Inverter Heat Pump Technology for Ducted Systems
    High-efficiency inverter-driven compressor delivers consistent comfort and reduced energy consumption.

  • Extreme Temperature Operation
    Reliable cooling performance from -22°F to 122°F and heating from -22°F to 75°F, designed for harsh climates.

  • Corrosion-Resistant Gold Fin Condenser
    Durable gold fin coating enhances longevity and protects the outdoor coil from salt, moisture, and other elements.

  • Ultra-Quiet Operation
    Engineered for low-noise performance, even at high capacity, for a quieter indoor environment.

  • Perfect for Central Ducted HVAC Installations
    Designed to integrate seamlessly into ducted heating and cooling systems, ideal for whole-home comfort.

ACiQ 4 Ton Central Ducted Air Handler Multi-Position R454B ACiQ-48-AHD

The ACiQ-48-AHD air handler features a variable speed DC blower and advanced communicating technology to ensure optimal comfort and efficiency. It works seamlessly with your thermostat and inverter condenser to automatically adjust BTU output, delivering precise temperature control. The air handler easily integrates with your existing ductwork to efficiently distribute heated and cooled air throughout your home.

  • Powerful 48,000 BTU / 4 Ton Capacity
    Designed to efficiently heat and cool larger spaces, providing robust performance for home or commercial applications.

  • Compatible with Any 24V Thermostat
    Seamlessly integrates with any 24-volt thermostat, offering compatibility with both traditional and smart thermostats.

  • Variable Speed DC Blower for Energy Efficiency
    Equipped with a variable-speed DC blower motor that adjusts airflow to maximize comfort while reducing energy consumption.

  • Multi-Position Installations for Flexibility
    Offers multi-position installation options: upflow, downflow, or horizontal left/right, giving you the flexibility to adapt to various HVAC setups.

  • R454B Refrigerant Compatible
    Supports eco-friendly R454B refrigerant, reducing environmental impact and promoting a lower global warming potential (GWP).

  • Perfect for Central Ducted Systems
    Ideal for use in central ducted HVAC systems, making it perfect for whole-home cooling and heating solutions.

Installation and Maintenance

Installing the ACiQ central ducted air handler is similar to replacing any standard air handler. Your technician will take care of the electrical, refrigerant, thermostat, and communication connections, as well as linking the air handler to your return and supply ductwork.

This air handler is highly versatile, offering multi-positional installation options (upflow, downflow, or horizontal). It is compatible with any 24v thermostat that supports two-stage heating. For additional heating during the coldest days, optional supplemental electric heat kits are available.

If maintenance is ever needed, the air handler’s intelligent control board will display fault codes to quickly identify any system issues.

Please Note:
The air handler requires installation alongside a condenser and other essential components, which are available at an additional cost if not already included in your product bundle. For straight electric heating, an electric heat kit is required, and is also available at an additional cost.


ACiQ 4 Ton 16.5 SEER2 Central Heat Pump Inverter Extreme Series R454B ACiQ-48-HPD

Brand ACiQ SKU ACiQ-48-HPD
Refrigerant Charge 25' Weight 232.36
Replaces ACiQ-48-HPB Product Features Inverter, Low Ambient Heating, Two Stage Condenser, Variable Speed Condenser
HSPF2 9.5 Cooling BTU 47,000 BTU
Heating BTU 50,000 BTU Maximum CFM 1601
Decibel Level (dBA) 65 Electric Heat Heat Pump
Refrigerant R454B SEER2 16.5
Condenser Stages Variable Speed Compressor Type Rotary
Liquid Valve Size 3/8" Suction Valve Size 3/4"
Electrical 208/230V 1 Phase 60 Hz Max Breaker Size 40 Amps
Min. Breaker Size 38 Amps Tonnage 4 Ton
BTU/Tonnage 48,000 BTU/4 Ton Min/Max Outdoor Temp for Heating -22°F - 75°F
Min/Max Outdoor Temp for Cooling -22°F - 122°F Ambient Temperature Range -22°F - 122°F
Height 38.4" Width 38.6"
Depth 16.3" Warranty 12 Years Compressor and 7 Years Parts with Online Registration

ACiQ 4 Ton Central Ducted Air Handler Multi-Position R454B ACiQ-48-AHD

Brand ACiQ SKU ACiQ-48-AHD
Weight 190.92 Manufacturer ACiQ
Replaces ACiQ-48-AHB Cooling BTU 48,000 BTU
Maximum CFM 1601 Decibel Level (dBA) Up to 53 Decibels
Electric Backup Heat Capabilities (Optional) 5 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 / 11.0 Amps
Tonnage 4 Ton BTU/Tonnage 48,000 BTU/4 Ton
Mini Split Type Multi-Positional Zone Compatibility Single Zone
Connection Flared Height 53"
Width 24.5" Depth 21"
Warranty 12 Years Compressor and 7 Years Parts with Online Registration

ACiQ 4 Ton 16.5 SEER2 Central Heat Pump Inverter Extreme Series R454B ACiQ-48-HPD

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

ACiQ 4 Ton Central Ducted Air Handler Multi-Position R454B ACiQ-48-AHD

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

ACiQ 4 Ton 16.5 SEER2 Central Heat Pump Inverter Extreme Series R454B ACiQ-48-HPD

HPD Installation Manual

HPD Service Manual

ACiQ 4 Ton Central Ducted Air Handler Multi-Position R454B ACiQ-48-AHD

AHD Installation Manual

AHD Owner's Manual

4 Ton HPD / AHD Submittal

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 16.5 SEER2 Central Heat Pump Inverter Extreme Series R454B ACiQ-48-HPD

Engineered for year-round performance, the ACiQ-48-HPD delivers powerful heating and cooling with smart inverter technology, adaptive sizing, and advanced sensors for optimal efficiency. Capable of heating down to -22°F, this Extreme Series unit adjusts output in real-time for precise comfort and up to 75% savings on cold-weather heating costs. Eco-friendly R454B refrigerant and whisper-quiet operation make it a smart, future-ready solution for any climate.

  • Wide Variable BTU Output for Optimal Comfort
    Intelligent performance with 12,000–48,000 BTU cooling and 12,000–50,000 BTU heating, adjusting output based on demand for maximum efficiency.

  • Eco-Conscious R454B Refrigerant
    Utilizes low-GWP R454B refrigerant, meeting modern environmental standards and improving sustainability.

  • Inverter Heat Pump Technology for Ducted Systems
    High-efficiency inverter-driven compressor delivers consistent comfort and reduced energy consumption.

  • Extreme Temperature Operation
    Reliable cooling performance from -22°F to 122°F and heating from -22°F to 75°F, designed for harsh climates.

  • Corrosion-Resistant Gold Fin Condenser
    Durable gold fin coating enhances longevity and protects the outdoor coil from salt, moisture, and other elements.

  • Ultra-Quiet Operation
    Engineered for low-noise performance, even at high capacity, for a quieter indoor environment.

  • Perfect for Central Ducted HVAC Installations
    Designed to integrate seamlessly into ducted heating and cooling systems, ideal for whole-home comfort.

ACiQ 4 Ton Central Ducted Air Handler Multi-Position R454B ACiQ-48-AHD

The ACiQ-48-AHD air handler features a variable speed DC blower and advanced communicating technology to ensure optimal comfort and efficiency. It works seamlessly with your thermostat and inverter condenser to automatically adjust BTU output, delivering precise temperature control. The air handler easily integrates with your existing ductwork to efficiently distribute heated and cooled air throughout your home.

  • Powerful 48,000 BTU / 4 Ton Capacity
    Designed to efficiently heat and cool larger spaces, providing robust performance for home or commercial applications.

  • Compatible with Any 24V Thermostat
    Seamlessly integrates with any 24-volt thermostat, offering compatibility with both traditional and smart thermostats.

  • Variable Speed DC Blower for Energy Efficiency
    Equipped with a variable-speed DC blower motor that adjusts airflow to maximize comfort while reducing energy consumption.

  • Multi-Position Installations for Flexibility
    Offers multi-position installation options: upflow, downflow, or horizontal left/right, giving you the flexibility to adapt to various HVAC setups.

  • R454B Refrigerant Compatible
    Supports eco-friendly R454B refrigerant, reducing environmental impact and promoting a lower global warming potential (GWP).

  • Perfect for Central Ducted Systems
    Ideal for use in central ducted HVAC systems, making it perfect for whole-home cooling and heating solutions.

Installation and Maintenance

Installing the ACiQ central ducted air handler is similar to replacing any standard air handler. Your technician will take care of the electrical, refrigerant, thermostat, and communication connections, as well as linking the air handler to your return and supply ductwork.

This air handler is highly versatile, offering multi-positional installation options (upflow, downflow, or horizontal). It is compatible with any 24v thermostat that supports two-stage heating. For additional heating during the coldest days, optional supplemental electric heat kits are available.

If maintenance is ever needed, the air handler’s intelligent control board will display fault codes to quickly identify any system issues.

Please Note:
The air handler requires installation alongside a condenser and other essential components, which are available at an additional cost if not already included in your product bundle. For straight electric heating, an electric heat kit is required, and is also available at an additional cost.


ACiQ 4 Ton 16.5 SEER2 Central Heat Pump Inverter Extreme Series R454B ACiQ-48-HPD

Brand ACiQ SKU ACiQ-48-HPD
Refrigerant Charge 25' Weight 232.36
Replaces ACiQ-48-HPB Product Features Inverter, Low Ambient Heating, Two Stage Condenser, Variable Speed Condenser
HSPF2 9.5 Cooling BTU 47,000 BTU
Heating BTU 50,000 BTU Maximum CFM 1601
Decibel Level (dBA) 65 Electric Heat Heat Pump
Refrigerant R454B SEER2 16.5
Condenser Stages Variable Speed Compressor Type Rotary
Liquid Valve Size 3/8" Suction Valve Size 3/4"
Electrical 208/230V 1 Phase 60 Hz Max Breaker Size 40 Amps
Min. Breaker Size 38 Amps Tonnage 4 Ton
BTU/Tonnage 48,000 BTU/4 Ton Min/Max Outdoor Temp for Heating -22°F - 75°F
Min/Max Outdoor Temp for Cooling -22°F - 122°F Ambient Temperature Range -22°F - 122°F
Height 38.4" Width 38.6"
Depth 16.3" Warranty 12 Years Compressor and 7 Years Parts with Online Registration

ACiQ 4 Ton Central Ducted Air Handler Multi-Position R454B ACiQ-48-AHD

Brand ACiQ SKU ACiQ-48-AHD
Weight 190.92 Manufacturer ACiQ
Replaces ACiQ-48-AHB Cooling BTU 48,000 BTU
Maximum CFM 1601 Decibel Level (dBA) Up to 53 Decibels
Electric Backup Heat Capabilities (Optional) 5 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 / 11.0 Amps
Tonnage 4 Ton BTU/Tonnage 48,000 BTU/4 Ton
Mini Split Type Multi-Positional Zone Compatibility Single Zone
Connection Flared Height 53"
Width 24.5" Depth 21"
Warranty 12 Years Compressor and 7 Years Parts with Online Registration

ACiQ 4 Ton 16.5 SEER2 Central Heat Pump Inverter Extreme Series R454B ACiQ-48-HPD

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

ACiQ 4 Ton Central Ducted Air Handler Multi-Position R454B ACiQ-48-AHD

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

ACiQ 4 Ton 16.5 SEER2 Central Heat Pump Inverter Extreme Series R454B ACiQ-48-HPD

HPD Installation Manual

HPD Service Manual

ACiQ 4 Ton Central Ducted Air Handler Multi-Position R454B ACiQ-48-AHD

AHD Installation Manual

AHD Owner's Manual

4 Ton HPD / AHD Submittal

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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