Independent Review · Updated June 2026

Goodman 3.5 Ton 13.4 SEER2 Package Air Conditioner Unit - R410A Downflow/Horizontal

Solid mid-range package unit for contractors seeking dependable cooling on a budget

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
Goodman 3.5 Ton 13.4 SEER2 Package Air Conditioner Unit - R410A Downflow/Horizontal
Current Price
$4759
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman package unit works best for homeowners and contractors in moderate climates who prioritize reliable cooling over premium efficiency gains. At $4,759, it delivers 3.5 tons of capacity with 13.4 SEER2 rating, making it a practical choice for replacement jobs or new builds where budget matters.

Review

The Goodman GPCM34241 is a traditional package air conditioner built for contractors who understand the value of proven engineering over feature-rich complexity. At the 3.5-ton capacity level, this unit sits squarely in the mainstream residential market, competing against similar offerings from Rheem, Lennox, and Carrier. Goodman's reputation centers on reliability and affordability, and this model reinforces that positioning. The unit arrives ready to install with downflow and horizontal configuration options, eliminating the need for field modifications in most applications.

Performance metrics tell a straightforward story. The unit delivers exactly 40,000 BTU of cooling capacity with a SEER2 rating of 13.4, achieved through a scroll compressor operating at single-stage capacity. Airflow reaches 1,325 CFM maximum, sufficient for proper air distribution in typical residential ductwork. The 78-decibel noise level ranks acceptable for package units but notably higher than split-system alternatives. Electrical specifications call for 208/230v single-phase power at 60Hz, requiring a maximum 45-amp breaker, making it compatible with standard residential electrical service.

Pros & Cons

Pros

  • 13.4 SEER2 rating exceeds minimum federal standards and qualifies for some rebate programs
  • Compact downflow/horizontal configuration fits tight spaces where split systems won't work
  • Single-phase 208/230v operation simplifies electrical requirements compared to three-phase units
  • 40,000 BTU cooling capacity matches 3.5-ton standard residential requirements precisely
  • 10-year warranty with online registration provides solid coverage at this price point

Cons

  • 78 decibel noise level runs louder than premium units, noticeable during operation
  • Single-stage compressor lacks variable capacity, cycling on/off rather than modulating
  • R410A refrigerant becoming harder to source as industry phases toward R32 alternatives

Who Should Buy

Best For

Contractors replacing aging 3.5-ton package units and homeowners in moderate climates seeking straightforward cooling without premium pricing. This unit suits properties where space constraints prevent split-system installation.

Consider Alternatives If

Buyers in extremely hot climates needing maximum efficiency or those prioritizing quiet operation should examine higher-tier variable-capacity models instead.

Goodman 3.5 Ton 13.4 SEER2 Package Air Conditioner
$4759
Buy at HVACDirect →

Installation

Installation complexity remains low. The unit's package design eliminates the split-system refrigerant line requirements that challenge many contractors. Ductwork connections use standard sizing at downflow and horizontal openings. Electrical connection is straightforward for single-phase service with proper breaker sizing. Most experienced HVAC technicians complete installation in four to six hours. Vibration isolation pads are essential given the 388-pound weight and 78-decibel output.

Warranty & Reliability

Goodman's 10-year warranty covers manufacturing defects when registered online within 30 days of installation. This is standard coverage at this price tier, though not exceptional. Parts availability remains strong through Goodman's national network. Labor warranty varies by dealer, so confirm terms during purchase. Registration is required, which adds a minor administrative step.

Specifications

SKUGPCM34241
Brand/ManufacturerGoodman
Cooling BTU40,000 BTU
RefrigerantR410A
Electrical208/230v 1Phase 60Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)78 decibels
Weight (in lbs)388.000000
FeatureSpec
AHRI Certificate Number210286385
Airflow DirectionDownflow/Horizontal
ReplacesGPC1442M41
Maximum CFM1,325
ConfigurationDownflow/Horizontal
SEER2 (Efficiency)13.4
Condenser StagesSingle Stage
Compressor TypeScroll
PhaseSingle Phase
Max Breaker Size45 amps
Tonnage3.5 Ton
Height42 3/4"
Width47"
Depth51"
ResourcesGoodman Specifications Goodman Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 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

Can this unit replace my older Goodman GPC1442M41? +
Yes. The GPCM34241 is listed as the direct replacement for GPC1442M41. Both are 3.5-ton downflow/horizontal units using R410A. The newer unit offers improved SEER2 efficiency (13.4 versus older ratings) and updated components, making it a seamless swap in most installations.
Does this require 208V or 230V service? Can it run on both? +
The unit is dual-voltage rated for both 208V and 230V single-phase service. Installation requires setting a jumper on the terminal block to match your available voltage. Check your home's electrical panel before purchasing. A 45-amp breaker is the maximum requirement across both voltages.
How does 13.4 SEER2 compare to newer high-efficiency units? +
13.4 SEER2 meets current federal minimums for 3.5-ton units and qualifies for many state utility rebates. Premium units reach 16 to 18 SEER2 through variable-capacity compressors and advanced controls, costing $2,000 to $3,000 more. For moderate climates, this unit's efficiency gain per dollar spent is reasonable.
What's the difference between this and higher-priced package units? +
Premium units typically add variable-stage compressors for modulating capacity, higher SEER2 ratings (15+), and lower noise levels (72-75 dB). Those features cost significantly more. This unit trades maximum efficiency for affordability and proven reliability, suitable when budget constraints exist.
Is online registration required for the warranty? +
Yes. The 10-year warranty activates only when registered online within 30 days of installation. Registration is free and takes five minutes. Without registration, coverage defaults to one year, so this step is critical for protecting your investment.

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