3 Ton 15 SEER Goodman Heat Pump Variable Speed Air Conditioner System - Upflow/Downflow Review 2026

// Bottom Line

This ACiQ unit is ideal for contractors seeking a capable, affordable heat pump for moderate climates where heating demand is substantial. The variable-speed ECM blower and 36,000 BTU heating capacity make it particularly suited to mixed-use properties or areas with meaningful winter loads.

Review

The ACiQ 3-ton heat pump with variable-speed motor hits a practical sweet spot in the market. Positioned as an affordable yet capable alternative to premium brands, this unit delivers 36,000 BTU cooling and matching heating capacity in a compact A-coil configuration. It replaces Goodman's GSZ140371 and supports optional electric backup heat from 3 kW to 15 kW, making it flexible for retrofit and new construction alike.

Performance specs reveal solid engineering. The variable-speed ECM blower motor can modulate up to 1,600 CFM, matching demand rather than running full blast constantly. Energy Star certification and 14 SEER1 efficiency indicate respectable performance, though not cutting-edge. The scroll compressor in single-stage configuration is proven and reliable. Electrical requirements are modest: 208/230V single-phase 60Hz with a 22.4-amp minimum breaker, making retrofit easier than heavy-duty commercial units.

Pros & Cons

Pros

Variable-speed ECM blower motor reduces energy waste and noise compared to single-stage units
36,000 BTU heating output matches cooling capacity, eliminating oversizing for heat pump duty
Energy Star rated with 14 SEER1 efficiency meets modern performance standards
Sweat connections simplify installation for experienced technicians without special adapters
10-year warranty with online registration provides solid long-term protection
Affordable price point at $89 makes it competitive for budget-conscious contractors

Cons

Single-stage compressor limits part-load efficiency compared to variable-capacity alternatives
74 dBA noise level is moderately loud for close residential proximity
SEER1 rating of 14 lags behind higher-efficiency units reaching 16+ SEER2
Title lists 3 tons but specs show 5-ton tonnage, creating specification confusion

Who Should Buy

Best For

Contractors installing systems in mixed climates where heating demand is equal to cooling load. This unit excels for homeowners upgrading from gas furnace plus AC setups who want simplified, integrated heating and cooling.

Consider Alternatives If

Anyone in hot-only climates should skip the heating capability, and properties requiring whisper-quiet operation should consider units rated below 70 dBA.

3 Ton 15 SEER Goodman Heat Pump Variable Speed Air

$89

Buy at HVACDirect →

Installation

Installation is straightforward for certified technicians. The unit accepts 3/8-inch liquid lines and 3/4-inch suction lines with standard sweat connections, no specialty fittings required. A-coil configuration fits upflow or downflow applications. The 21 x 21 x 30-inch footprint is compact enough for tight mechanical closets. Line sets come with 3/4-inch suction insulation for 50 feet of run length, covering most residential installations without modification.

Warranty & Reliability

Goodman backs this unit with a 10-year parts warranty, activated through online registration. This is competitive for the price tier and provides meaningful protection against compressor failure or major component defects. Coverage does not extend to installation labor, refrigerant, or system diagnostics, so budget those separately. Registration is straightforward and required to activate full terms.

Specifications

SKU	ACIQ-36-HPC-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	36,000
Heating BTU	36,000
Refrigerant	R410A
Electrical	208 / 230 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	74
Weight (in lbs)	120.000000
Feature	Spec
Safety Information	PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
Replaces	GSZ140371
Product Features	Rebate Available
Energy Star	Yes
SEER1 (Efficiency)	14
Condenser Stages	Single Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	3/4"
Max Breaker Size	15 amps
Min. Breaker Size	22.4 amps
Tonnage	5 Ton
Valve Type	Sweat
Height	30"
Width	21"
Depth	21"
Resources	CAPF Installation Manual CAPF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
Blower Motor	Variable Speed - ECM
Maximum CFM	1,600
Electric Backup Heat Capabilities (Optional)	3 Kilowatts, 5 Kilowatts, 6 Kilowatts, 8 Kilowatts, 10 Kilowatts, 15 Kilowatts
Configuration	Upflow / Downflow
Liquid Line	3/8"
Suction Line	7/8"
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

Why does the product title say 3 tons but the specs list 5 tons? +

This appears to be a data inconsistency on the listing. The 36,000 BTU cooling and heating output equates to 3 tons (12,000 BTU per ton). The 5-ton reference may reflect an inventory error or cross-listing issue. Contact the seller for clarification before purchase to confirm actual capacity.

Is this unit suitable for upflow and downflow installation? +

Yes. The specs explicitly state upflow/downflow configuration capability. The A-coil design accommodates both orientations. However, verify your ductwork layout and return air path during design, as improper orientation can reduce efficiency and create condensate drainage issues.

How efficient is this compared to newer SEER2-rated models? +

The 14 SEER1 rating is respectable but not premium. Newer SEER2 ratings typically run 15-20% lower numerically due to stricter testing standards. For direct comparison, expect this unit to perform 10-15% below current high-efficiency offerings, though real-world utility bill impact varies by climate and usage.

Can I use this with my existing gas furnace or do I need electric heat? +

This is a heat pump, so it provides its own heating. You can remove a gas furnace or keep it for backup if desired. Optional electric auxiliary heat (3-15 kW) handles extreme cold when heat pump output drops. Consult an HVAC designer for the right configuration in your climate zone.

What does the 10-year warranty actually cover? +

Parts coverage only, including compressor and major components. Labor, refrigerant, service calls, and system diagnostics are excluded. Registration is mandatory. Read the full Goodman warranty document before purchase to understand limitations and claim procedures.

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