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ACiQ 4 Ton 16 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B

By ACiQ | SKU: ACiQ-48-EHPD | ID: 089679
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
$3,765.00 + FREE SHIPPING

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ACiQ 4 Ton 16 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B ACIQ-48-EHPD

ACiQ 4 Ton Inverter Heat Pump – Model ACiQ-48-EHPD Built for large-scale comfort and high efficiency, this 4-ton inverter heat pump delivers 12,000–48,000 BTUs of variable heating and cooling power. With advanced inverter technology, a self-learning condenser, and adaptive sizing, it ensures consistent performance in any climate—from -13°F to 122°F. The two-stage design, R454B refrigerant, and durable gold fin coil make it a powerful, quiet, and eco-friendly solution for ducted systems.

ACiQ-48-EHPD 4 Ton Central Inverter Heat Pump – Key Features

  • Powerful Inverter Heat Pump Technology: Converts AC power to DC, allowing the variable-speed compressor to adjust output between 12,000 and 48,000 BTU for both heating and cooling—delivering flexible, energy-saving performance all year long.

  • Smart Learning Condenser: Built-in sensors track duct pressure, indoor/outdoor temperatures, and refrigerant levels. The unit enters a learning mode during initial startup, optimizing future performance for enhanced efficiency.

  • Adaptive Sizing Performance: Automatically adjusts capacity based on your home's heating or cooling demands. Functions like a smaller system during milder conditions to reduce overcooling and maintain consistent humidity control.

  • High-Capacity, Energy-Efficient HVAC Solution: Designed for ducted installations, this 4 ton inverter heat pump delivers reliable comfort with significantly reduced energy consumption—ideal for larger homes or light commercial spaces.

  • Reliable in Extreme Climates: Operates efficiently in harsh conditions, with cooling performance from -13°F to 122°F and heating functionality from -13°F to 75°F.

  • Eco-Friendly R454B Refrigerant: Utilizes R454B refrigerant with a lower global warming potential (GWP), making it a future-proof, environmentally responsible HVAC choice.

  • Gold Fin Condenser Coil for Durability: Features corrosion-resistant gold fin coil coating to extend unit lifespan and maintain performance, even in coastal or high-humidity environments.

  • Quiet Operation: Engineered for silent running—even during full load—perfect for residential applications where noise matters.

  • Ducted HVAC Compatibility: Seamlessly integrates with existing duct systems, providing a centralized, high-capacity solution for modern comfort control.

ACiQ 4 Ton 16 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B ACIQ-48-EHPD

Brand ACiQ SKU ACIQ-48-EHPD
Refrigerant Charge 25' Weight (lbs) 224.210000
Brand/Manufacturer ACiQ Replaces ACIQ-48-EHPB
Product Features Inverter, Two Stage Condenser, Variable Speed Condenser HSPF2 8.5
Cooling BTU 47,000 BTU Heating BTU 55,000 BTU
Maximum CFM 1601 Decibel Level (dBA) 65
Electric Heat Heat Pump Refrigerant R454B
SEER2 (Efficiency) 16 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 36 Amps
Tonnage 4 Ton BTU/Tonnage 48,000 BTU/4 Ton
Min/Max Outdoor Temp for Heating -13°F - 75°F Min/Max Outdoor Temp for Cooling -13°F - 122°F
Ambient Temperature Range -13°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 16 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B ACIQ-48-EHPD

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

ACiQ 4 Ton 16 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B ACIQ-48-EHPD

EHPD Installation Manual

EHPD Service 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 16 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B ACIQ-48-EHPD

ACiQ 4 Ton Inverter Heat Pump – Model ACiQ-48-EHPD Built for large-scale comfort and high efficiency, this 4-ton inverter heat pump delivers 12,000–48,000 BTUs of variable heating and cooling power. With advanced inverter technology, a self-learning condenser, and adaptive sizing, it ensures consistent performance in any climate—from -13°F to 122°F. The two-stage design, R454B refrigerant, and durable gold fin coil make it a powerful, quiet, and eco-friendly solution for ducted systems.

ACiQ-48-EHPD 4 Ton Central Inverter Heat Pump – Key Features

  • Powerful Inverter Heat Pump Technology: Converts AC power to DC, allowing the variable-speed compressor to adjust output between 12,000 and 48,000 BTU for both heating and cooling—delivering flexible, energy-saving performance all year long.

  • Smart Learning Condenser: Built-in sensors track duct pressure, indoor/outdoor temperatures, and refrigerant levels. The unit enters a learning mode during initial startup, optimizing future performance for enhanced efficiency.

  • Adaptive Sizing Performance: Automatically adjusts capacity based on your home's heating or cooling demands. Functions like a smaller system during milder conditions to reduce overcooling and maintain consistent humidity control.

  • High-Capacity, Energy-Efficient HVAC Solution: Designed for ducted installations, this 4 ton inverter heat pump delivers reliable comfort with significantly reduced energy consumption—ideal for larger homes or light commercial spaces.

  • Reliable in Extreme Climates: Operates efficiently in harsh conditions, with cooling performance from -13°F to 122°F and heating functionality from -13°F to 75°F.

  • Eco-Friendly R454B Refrigerant: Utilizes R454B refrigerant with a lower global warming potential (GWP), making it a future-proof, environmentally responsible HVAC choice.

  • Gold Fin Condenser Coil for Durability: Features corrosion-resistant gold fin coil coating to extend unit lifespan and maintain performance, even in coastal or high-humidity environments.

  • Quiet Operation: Engineered for silent running—even during full load—perfect for residential applications where noise matters.

  • Ducted HVAC Compatibility: Seamlessly integrates with existing duct systems, providing a centralized, high-capacity solution for modern comfort control.

ACiQ 4 Ton 16 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B ACIQ-48-EHPD

Brand ACiQ SKU ACIQ-48-EHPD
Refrigerant Charge 25' Weight (lbs) 224.210000
Brand/Manufacturer ACiQ Replaces ACIQ-48-EHPB
Product Features Inverter, Two Stage Condenser, Variable Speed Condenser HSPF2 8.5
Cooling BTU 47,000 BTU Heating BTU 55,000 BTU
Maximum CFM 1601 Decibel Level (dBA) 65
Electric Heat Heat Pump Refrigerant R454B
SEER2 (Efficiency) 16 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 36 Amps
Tonnage 4 Ton BTU/Tonnage 48,000 BTU/4 Ton
Min/Max Outdoor Temp for Heating -13°F - 75°F Min/Max Outdoor Temp for Cooling -13°F - 122°F
Ambient Temperature Range -13°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 16 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B ACIQ-48-EHPD

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

ACiQ 4 Ton 16 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B ACIQ-48-EHPD

EHPD Installation Manual

EHPD Service 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

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