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$4,079.00
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Current price $4,079.00

ACiQ 3 Ton 18 SEER Central Heat Pump Inverter Extreme High Efficiency

Product Details ACiQ 3 Ton 18 SEER Central Heat Pump Inverter Extreme Series High Efficiency ACiQ-36-HPC The ACiQ Next Gen Inverter Condenser brin...

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$3,184.00
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ACiQ 3 Ton 16.1 SEER2 Central Heat Pump Inverter High Efficiency R454B

Product Details ACiQ 3 Ton 16.1 SEER2 Central Heat Pump Inverter High Efficiency R454B ACiQ-36-EHPD Engineered for year-round comfort, this 3-ton ...

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$3,865.00
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ACiQ 4 Ton 17.5 SEER2 Central Heat Pump Inverter Extreme Heat Series R454B

Product Details ACiQ 4 Ton 17.5 SEER2 Central Heat Pump Inverter Extreme Heat Series R454B ACIQ-48-HPD ACiQ 4 Ton Inverter Heat Pump – Extreme Hea...

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$3,599.00
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ACiQ 55,000 BTU 21.3 SEER2 Multi-Zone Heat Pump Inverter Condenser 230V

Product Details ACiQ 55,000 BTU 21.3 SEER2 Multi-Zone Heat Pump Inverter Condenser 230V ES-55Z-M5B The ES-55Z-M5, boasting a capacity of 55,000 BT...

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$3,999.00
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ACiQ 48,000 BTU 23.4 SEER2 Multi-Zone Heat Pump Inverter Condenser 208/230V

Product Details ACiQ 48,000 BTU 23.4 SEER2 Multi-Zone Heat Pump Inverter Condenser 208/230V ES-48Z-M5B The ES-48Z-M5, with a capacity of 48,000 BT...

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$2,324.00
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ACiQ 1.5 Ton 18.8 SEER2 Central Heat Pump Inverter Condenser 2-Stage R454B

Product Details ACiQ 1.5 Ton 18.8 SEER2 Central Heat Pump Inverter Condenser 2-Stage R454B ACIQ-18-EHPD ACiQ 1.5 Ton Inverter Heat Pump – Model AC...

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$4,507.00
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ACiQ 5 Ton 16 SEER2 Central Heat Pump Inverter Extreme Series 2-Stage R454B

Product Details ACiQ 5 Ton 16 SEER2 Central Heat Pump Inverter Extreme Series R454B ACiQ-60-HPD The ACiQ 5 Ton Extreme Series heat pump combines p...

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$3,479.00
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ACiQ 3.5 Ton 16.7 SEER2 Central Heat Pump Inverter Extreme Series R454B

Product Details ACiQ 3.5 Ton 16.7 SEER2 Central Heat Pump Inverter Extreme Series R454B ACIQ-42-HPD ACiQ 3.5 Ton Inverter Heat Pump – Extreme Heat...

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$3,284.00
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ACiQ 3 Ton 17.4 SEER2 Central Heat Pump Inverter Extreme Heat Series R454B

Product Details ACiQ 3 Ton 17.4 SEER2 Central Heat Pump Inverter Extreme Heat Series R454B ACIQ-36-HPD ACiQ 3 Ton Inverter Heat Pump – Extreme Hea...

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$2,876.00
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ACiQ 2.5 Ton 17.2 SEER2 Central Heat Pump Inverter Extreme Series R454B

Product Details ACiQ 2.5 Ton 17.2 SEER2 Central Heat Pump Inverter Extreme Series R454B ACIQ-30-HPD ACiQ 2.5 Ton Inverter Heat Pump – Extreme Heat...

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$2,424.00
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ACiQ 1.5 Ton 19 SEER2 Central Heat Pump Inverter Extreme Heat Series R454B

Product Details ACiQ 1.5 Ton 19 SEER2 Central Heat Pump Inverter Extreme Heat Series R454B ACIQ-18-HPD ACiQ 1.5 Ton Inverter Heat Pump – Extreme H...

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$2,299.00
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ACiQ 1 Ton 18.8 SEER2 Central Heat Pump Inverter High Efficiency R454B

Product Details ACiQ 1 Ton 18.8 SEER2 Central Heat Pump Inverter High Efficiency R454B ACiQ-12-EHPD This high-efficiency, 1-ton inverter heat pump...

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$4,407.00
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ACiQ 5 Ton 15.2 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B

Product Details ACiQ 5 Ton 15.2 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B ACiQ-60-EHPD ACiQ 5 Ton Inverter Heat Pump – Model ACiQ...

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$3,765.00
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ACiQ 4 Ton 16 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B

Product Details ACiQ 4 Ton 16 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B ACIQ-48-EHPD ACiQ 4 Ton Inverter Heat Pump – Model ACiQ-4...

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$4,926.00
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ACiQ 36,000 BTU 22.2 SEER2 Extreme Heat Pump Inverter Condenser 4-Zone 230V

Product Details ACiQ 36,000 BTU 22.2 SEER2 Extreme Heat Pump Inverter Condenser 4-Zone 230V ACIQ-36Z-HH-M4B The ACiQ-36Z-HH-M4, rated at 36,000 BT...

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$2,761.00
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ACiQ 27000 BTU Heat Pump Condenser ES-27Z-M3B 3-Zones 24.6 SEER2 208/230V 1-Phase 60Hz

Product Details ACiQ 27000 BTU Heat Pump Condenser ES-27Z-M3B 3-Zones 24.6 SEER2 208/230V 1-Phase 60Hz The ES-27Z-M3B, a 27,000 BTU model, effortl...

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$2,776.00
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Current price $2,776.00

ACiQ 2.5 Ton 17 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B

Product Details ACiQ 2.5 Ton 17 SEER2 Central Heat Pump Inverter Condenser R454B ACIQ-30-EHPD ACiQ 2.5 Ton Inverter Heat Pump – Model ACiQ-30-EHPD...

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$2,401.00
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Current price $2,401.00

ACiQ 2 Ton 18.1 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B

Product Details ACiQ 2 Ton 18.1 SEER2 Central Heat Pump Inverter Condenser Two-Stage R454B ACIQ-24-EHPD ACiQ 2 Ton Inverter Heat Pump – Model ACiQ...

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$2,501.00
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ACiQ 2 Ton 18.6 SEER2 Central Heat Pump Inverter Extreme Heat Series R454B

Product Details ACiQ 2 Ton 18.6 SEER2 Central Heat Pump Inverter Extreme Heat Series R454B ACiQ-24-HPD ACiQ 2 Ton Inverter Heat Pump – Extreme Hea...

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When it comes to modern home climate control, heat pump inverters deliver a step change in efficiency and comfort. Our Heat Pump Inverters at HVAC Store links inverter driven compressors with advanced controls so systems modulate output instead of cycling on/off. 

This reduces wear, lowers energy use, and keeps indoor temperatures steady. If you want quieter operation and more consistent heating and cooling, here’s where you’ll find it.

Since inverter technology adjusts compressor speed continuously, inverter heat pumps are particularly effective across variable climates. For installations that need split configuration, compare our Heat Pump Split Systems options. 

If you prefer self-contained units, see Heat Pump Packaged Units. For system matching and replacements, pair an inverter with the right outdoor component from our Heat Pump Condensers and match indoor components via Air Handlers or Coil Systems to get peak efficiency.

Are you in need of year round efficiency without high energy costs? A heat pump inverter system may be the solution. Check out different alternatives and also compare with Heat Pump Split Systems, or Heat Pump Condensers for different installation needs.

Advantages Of Our Heat Pump Inverters

  • Lower energy consumption with variable-speed efficiency

  • Reduced wear-and-tear on components, extending system life

  • Quiet operation for enhanced indoor comfort

  • Compatible with modern smart controls and accessories

Browse Our Wider Range Of Heat Pump Inverters

Quick Spec Comparison

Product (SKU / Model)

Key Attribute 1 

Key Attribute 2 — Heating BTU (Nominal)

Stand-out Features

Brand

ACiQ 3 Ton — ACIQ-36-HPC

SEER2 16

Heating 39,000 BTU

Inverter-driven; smart learning condenser; Extreme Heat (operates to -22°F); gold-fin coil; variable capacity.

ACiQ.

ACiQ 3 Ton — ACIQ-36-EHPD

SEER2 16.1

Heating 36,000 BTU

Adaptive inverter tech; R454B refrigerant; smart learning condenser; gold-fin coil; variable capacity.

ACiQ.

ACiQ 4 Ton — ACIQ-48-HPD

SEER2 17.5

Heating 50,000 BTU

Extreme Heat series; inverter + variable speed condenser; R454B; gold-fin coil; low ambient heating to -22°F.

ACiQ.

ACiQ 1.5 Ton — ACIQ-18-EHPD

SEER2 18.8

Heating 19,000 BTU

High SEER2 for small tonnage; inverter + variable speed; R454B; gold-fin coil; low noise (≈55 dBA).

ACiQ.

ACiQ 5 Ton — ACIQ-60-HPD

SEER2 16

Heating 59,000 BTU

5-ton Extreme Series; inverter + smart learning condenser; R454B refrigerant; gold-fin coil; designed for large ducted systems.

ACiQ.

Other Broader Collection

Why Shop Heat Pump Inverters At HVAC Stores?

  • Broad selection of high-performance products

  • Trusted brands supported by real reviews

  • Fast, trackable shipping across the contiguous USA

  • Support team ready to advise in-store or online

FAQ

Are inverter heat pumps energy efficient?

Yes, they optimize performance to reduce energy usage compared to traditional HVAC systems.

Do heat pump inverters work in cold climates?

Yes, modern models are designed to perform even in low outdoor temperatures.

What sizes are available?

Options range from 1 ton to 5 tons, covering small rooms to large homes.

Do they require special maintenance?

Only standard HVAC maintenance, like coil cleaning and filter replacement.

Are heat pump inverters quiet?

Yes, they operate at lower speeds most of the time, reducing indoor and outdoor noise.