2.5 Ton 15 SEER 96% AFUE 40,000 BTU Goodman Gas Furnace and Air Conditioner System - Horizontal Review 2026

// Bottom Line

This Goodman system excels for contractors upgrading residential installations where efficiency rebates matter and budget is tight. The 96% AFUE heating paired with 16 SEER cooling makes it a solid choice for mixed climates, though the single-stage compressor limits performance in extreme conditions.

Review

The Goodman 2.5 Ton Gas Furnace and Air Conditioner System represents a balanced approach to residential HVAC replacement. At $115, this horizontal configuration targets contractors and homeowners seeking efficient comfort without premium brand pricing. The system combines a 40,000 BTU furnace with a 29,000 BTU air conditioner, designed for typical single-family homes. Goodman's reputation for durability at accessible price points makes this unit particularly attractive for regional contractors managing multiple installations annually.

Efficiency is this system's strongest selling point. The furnace delivers 96% AFUE, meaning nearly all fuel converts to usable heat, qualifying buyers for state and utility incentives. The air conditioner achieves 16 SEER cooling efficiency, surpassing ENERGY STAR minimums. The variable-speed ECM blower motor intelligently adjusts fan speed based on heating or cooling demand, reducing runtime and electrical consumption. Two-stage burner operation provides low-fire capability during mild weather, further conserving natural gas or propane fuel. These specifications position the unit among the more efficient options at this price tier.

Pros & Cons

Pros

96% AFUE efficiency significantly reduces heating costs and qualifies for utility rebates in most regions
16 SEER cooling rating meets ENERGY STAR standards, delivering solid air conditioning efficiency
Variable-speed ECM blower motor optimizes comfort and reduces electricity consumption across all operating modes
Two-stage burner allows low-fire operation for milder weather, improving comfort and efficiency
40,000 BTU heating output and 29,000 BTU cooling provide adequate capacity for most residential applications
Horizontal configuration with plastic PVC exhaust allows flexible installation in tight spaces like attics and crawlspaces

Cons

Single-stage compressor cannot modulate cooling capacity, causing efficiency losses during partial-load operation
71.5 dB noise level is moderately loud for outdoor condenser, noticeable from nearby properties
Specs show conflicting tonnage data, listing both 2.5 and 3 ton which creates confusion for sizing verification

Who Should Buy

Best For

Contractors managing tight installation budgets who need reliable heating and cooling without premium pricing. Homeowners in moderate climates where a 2.5 to 3 ton system handles typical load requirements and utility rebates offset the upfront cost.

Consider Alternatives If

Customers in extremely hot climates requiring consistent modulating cooling, or anyone prioritizing whisper-quiet operation should explore variable-capacity alternatives.

2.5 Ton 15 SEER 96% AFUE 40,000 BTU Goodman Gas Fu

$115

Buy at HVACDirect →

Installation

This horizontal unit suits attic, crawlspace, or utility closet installations where vertical space is limited. Standard 115V single-phase power with 17.1 to 25 amp breaker requirements keeps electrical upgrades minimal. The plastic PVC exhaust requirement simplifies venting compared to metal flue alternatives. Scroll compressor design and standard 3/8 inch liquid and 7/8 inch suction lines follow industry norms, reducing special tooling needs. Installation time typically mirrors standard furnace replacements for experienced technicians.

Warranty & Reliability

Goodman provides a 10-year parts and labor warranty upon online registration, covering compressor, heat exchanger, and coil failures. This length matches industry mid-range offerings but falls short of premium manufacturer extended warranties. Registration is mandatory, so documentation becomes critical. The warranty excludes improper installation, refrigerant leaks from neglected maintenance, and damage from power surges or external factors.

Specifications

SKU	LS38783850
Brand/Manufacturer	Online Supply
Cooling BTU	29,000
Heating BTU	40,000
Refrigerant	R410A or R22
Electrical	115 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	71.5
Weight (in lbs)	30.000000
Feature	Spec
Energy Star	Yes
SEER1 (Efficiency)	16
Condenser Stages	Single Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	7/8"
Max Breaker Size	25 amps
Min. Breaker Size	17.1 amps
Tonnage	3 Ton
Height	21.125"
Width	17.5"
Depth	26"
Resources	CHPF Installation Manual CHPF Specifications Sheet Goodman Evaporator Coil 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.
AHRI Certificate Number	7368841
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Plastic / PVC
Product Features	Rebate Available
Furnace Efficiency / AFUE	96%
Blower Motor	Variable Speed - ECM
Maximum CFM	1200
Configuration	Horizontal
Burner Stages	Two
Fuel Type	Propane, Natural Gas
Liquid Line	3/8"
Suction Line	7/8"
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

Does this system support both R410A and R22 refrigerant? +

Yes, the specs indicate compatibility with both R410A and R22 refrigerants. However, verify with your installer which refrigerant is charged, as mixing is prohibited. R410A is standard for new systems, while R22 is phasing out. Confirm before purchase to ensure parts availability in your region.

Can I install this in a horizontal attic space without modifications? +

Absolutely. The horizontal configuration with 21.125 inch height and 26 inch depth fits most attic joists. Plastic PVC exhaust venting simplifies installation through walls or roofs. Ensure adequate return air access and clearance around the unit for service access. Your installer should verify your attic framing can support the 30-pound weight.

How does 16 SEER cooling compare to other units in this price range? +

16 SEER is solid mid-range performance, exceeding basic ENERGY STAR thresholds and qualifying for many utility rebates. However, variable-capacity units achieve 18+ SEER through modulation. This single-stage compressor runs full-capacity when cooling, making it less efficient during mild weather operation compared to inverter-driven competitors.

What's the difference between the listed 2.5 and 3 ton specifications? +

The specs show conflicting information, listing both 2.5 and 3 ton capacity. The 29,000 BTU cooling output calculates to 2.4 tons, and 40,000 BTU heating is approximately 3.3 tons. Request clarification from the supplier before purchase to confirm actual capacity matches your home's load calculation.

Is the 10-year warranty enough protection? +

10 years covers most compressor failure risks during peak operating years. However, extended warranties available through dealers can protect beyond year 10. Online registration is required to activate coverage, so save documentation immediately after installation.

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