Goodman 3 Ton 13.4 SEER2 Package Air Conditioner Unit - R410A Horizontal Review 2026

// Bottom Line

This Goodman package unit works best for contractors and homeowners replacing older 3-ton systems in moderate climates where 13.4 SEER2 efficiency meets budget constraints. The horizontal configuration and two-stage compressor make it a practical upgrade without premium pricing.

Review

The Goodman 3 Ton 13.4 SEER2 Package Air Conditioner occupies a practical sweet spot in the residential cooling market. At $3,355, it positions itself between budget builder-grade equipment and premium high-efficiency systems. This horizontal configuration package unit is engineered for straightforward rooftop or ground-level installation, making it a popular choice for replacement projects where contractors want reliable performance without oversized costs.

Performance specs tell a solid efficiency story. The 13.4 SEER2 rating represents a meaningful jump from legacy 10-13 SEER1 equipment, translating to lower summer utility bills for homeowners. The 35,600 BTU cooling capacity pairs well with the two-stage scroll compressor, which ramps output based on load rather than cycling on and off constantly. At 1,200 CFM maximum airflow and operating at 78 decibels, this unit balances output with reasonable noise levels for residential settings.

Pros & Cons

Pros

13.4 SEER2 rating delivers solid efficiency gains over older units, typically 20-30% better than 10 SEER equipment
Two-stage scroll compressor provides variable cooling output, reducing short-cycling and improving humidity control
Horizontal package design simplifies installation on rooftops or tight crawl spaces where vertical units won't fit
35,600 BTU cooling capacity with 1,200 CFM airflow properly handles 3-ton loads across diverse home sizes
10-year parts warranty with online registration offers meaningful coverage at this price point

Cons

78 decibels operating noise is moderate to loud, comparable to a garbage disposal, which may concern noise-sensitive neighbors
R410A refrigerant is being phased out, limiting long-term service availability and parts sourcing after 2025
208/230V single-phase requirement requires dedicated 24.4-35 amp circuit, complicating retrofits in older electrical panels

Who Should Buy

Best For

Contractors handling mid-range residential replacements and homeowners in mild-to-moderate climates prioritizing efficiency gains over ultra-quiet operation will find this unit delivers reliable performance. It's ideal for properties where a horizontal package unit fits the installation footprint without custom modifications.

Consider Alternatives If

Buyers needing ultra-quiet operation, seeking future-proof refrigerant compatibility, or working with older electrical panels rated below 35 amps should evaluate alternative units or higher-tier Goodman models.

Goodman 3 Ton 13.4 SEER2 Package Air Conditioner U

$3355

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Installation

Installation requires a dedicated 208/230V single-phase 60 Hz circuit with 24.4-35 amp breaker capacity. Horizontal mounting accommodates rooftops and compact mechanical spaces where vertical units don't fit. Total weight of 387 pounds demands proper structural support and lifting equipment. The horizontal design simplifies ductwork connections compared to vertical packages, reducing installation labor complexity.

Warranty & Reliability

Goodman backs this unit with a 10-year parts warranty upon online registration, a standard industry term. Parts coverage protects against compressor, condenser coil, and fan motor failures but typically excludes labor costs. Registration is straightforward and recommended immediately after installation to activate the full coverage period.

Specifications

SKU	GPCH33641
Brand/Manufacturer	Goodman
Cooling BTU	35,600 BTU
Refrigerant	R410A
Electrical	208/230v 1 Phase 60 Hz
Warranty	10 Years Parts with Online Registration
Decibel Level (dBA)	78 decibels
Weight (in lbs)	387.000000
Feature	Spec
AHRI Certificate Number	208842378
Replaces	GPC1436H41, GPC1436H4C, GPC1436H4D
Maximum CFM	1,200
Configuration	Horizontal
SEER2 (Efficiency)	13.4
Condenser Stages	Two Stage
Compressor Type	Scroll
Max Breaker Size	35 Amps
Min. Breaker Size	24.4 Amps
Tonnage	3 Ton
Height	22"
Width	66"
Depth	34"
Resources	GPCH3 Installation Manual GPCH3 Replacement Parts Manual GPCH3 Specifications Sheet GPCH3 Service Manual Goodman Packaged Unit Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
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.

Frequently Asked Questions

How much can I expect to save on cooling costs with 13.4 SEER2 versus my old 10 SEER unit? +

SEER2 is roughly 25-30% more efficient than legacy SEER1 ratings. Real-world savings depend on your climate, runtime hours, and electricity rates, but homeowners typically see 20-30% reductions in cooling costs. In hot climates running 6-8 months annually, that could mean $200-400 yearly savings.

Can I install this horizontally on my rooftop, and will it need reinforcement? +

Yes, the horizontal configuration is designed for rooftop mounting. At 387 pounds, your roof structure must support distributed weight safely. Most modern residential roofs handle this easily, but older or lightweight roof trusses may need inspection. Consult a structural engineer if uncertain about roof loading capacity.

What does two-stage cooling actually do versus single-stage compressors? +

Two-stage operation runs at 60-70% capacity during mild cooling demand, then kicks to full 100% power on hot days. This reduces energy waste, improves humidity control, and minimizes annoying on-off cycling. You'll notice more consistent comfort, especially in moderate weather, plus lower energy consumption.

How does this compare to higher-end Goodman 16+ SEER2 units? +

Premium Goodman models reach 16-18 SEER2 with variable-speed compressors and quieter operation (72-75 dB), but cost $4,500-6,000. This 13.4 model covers most residential cooling needs effectively. Upgrade only if you're in extreme climates or want maximum future resale value and lowest operating costs.

Will R410A refrigerant be a problem when my unit needs service after 2025? +

R410A is being phased out, though service technicians will still work with existing systems. Future repairs may cost more as supply tightens and inventory decreases. If long-term serviceability is a concern, consider R32 or A2L units instead, though this model won't face immediate obsolescence.

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