What size furnace should I buy?

Square FootageFurnace BTU
1,000-1,200 sq. ft. Home40,000 - 60,000 BTU
1,200-1,500 sq. ft. Home60,000 BTU
1,500-1,800 sq. ft. Home60,000 - 80,000 BTU
1,800-2,500 sq. ft. Home80,000 - 100,000 BTU
2,500-3,500 sq. ft. Home100,000 to 120,000 BTU
Goodman GCEC80 Review

Goodman GCEC80 Review

AFUE: Up to 80%
ENERGY STAR ®: No
Burner Type: Dual-Stage
Blower Type: Multi Speed ECM Motor
Price: $4,000 – $4,600
BTU Output: 36,800 to 110,400
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Goodman GCEC80 Furnace Review: Reliable, Efficient, and Affordable

The Goodman GCEC80 is a two-stage gas furnace designed to deliver efficient heating and consistent comfort at an affordable price. With an 80% AFUE rating, it provides cost-effective operation, making it ideal for homeowners who want reliable warmth without breaking the budget.

In this review, we’ll break down the features, performance, and benefits of the GCEC80 to help you determine if it’s the right furnace for your home.


Goodman GCEC80 Overview

  • AFUE Rating: 80%

  • Burner Type: Two-stage

  • Blower Type: Multi-speed ECM

  • Heat Exchanger: Heavy-duty aluminized-steel tubular

  • ENERGY STAR Certified: No


Key Features

  • Heavy-duty aluminized-steel heat exchanger: Ensures durability and long-lasting performance

  • Two-stage gas valve: Provides improved energy efficiency and steady heating

  • Multi-speed ECM blower motor: Enhances airflow control and overall efficiency

  • Silicon Nitride igniter: Offers reliable, long-lasting ignition

  • Color-coded low-voltage terminals: Simplifies installation for technicians

  • Compatible with electronic air cleaners and humidifiers: Supports improved indoor air quality


Performance and Efficiency

The GCEC80 converts 80% of its fuel into usable heat, delivering cost-effective and reliable warmth.

  • Two-stage gas valve: Operates at a lower heating stage when demand is low, reducing energy consumption, minimizing temperature swings, and keeping the furnace quieter than single-stage models.

  • Multi-speed ECM blower: Optimizes airflow, increases efficiency, and lowers energy costs while ensuring consistent heating throughout your home.

This combination results in balanced comfort, making the GCEC80 ideal for homes in mild to moderate climates.


Benefits of the Goodman GCEC80

  • Durable and reliable: Heavy-duty aluminized-steel heat exchanger ensures long life

  • Consistent comfort: Two-stage gas valve provides steady, efficient heating

  • Quiet operation: Multi-speed ECM blower minimizes noise

  • Long-lasting ignition: Silicon Nitride igniter for dependable starts

  • Easy maintenance: Self-diagnostic control board simplifies troubleshooting

  • Supports indoor air quality: Compatible with electronic air cleaners and humidifiers

  • Energy-efficient circulation: Reduces fuel consumption while maintaining comfort


Warranty and Coverage

Goodman offers solid warranty coverage for the GCEC80:

  • 10-year limited parts warranty

  • Lifetime heat exchanger warranty

Note: To maintain warranty coverage, the furnace must be installed by a licensed HVAC professional and registered within 60 days of installation.


Final Thoughts

The Goodman GCEC80 is a dependable and cost-effective furnace that combines reliable performance, energy efficiency, and quiet operation. Its two-stage gas valve and multi-speed ECM blower provide consistent comfort while reducing energy costs.

With durable construction, a long-lasting igniter, and compatibility with air cleaners and humidifiers, the GCEC80 is a strong choice for homeowners looking for an affordable, efficient, and reliable heating solution.