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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
Amana AC9S80 Review (Discontinued)

Amana AC9S80 Review (Discontinued)

AFUE: Up to 80 percent
Burner Type: Single-stage
Blower Type: Multi-Speed ECM Motor
Price: 3,500 – 4,500
BTU Output: 32,000 to 96,000
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Amana AC9S80: Reliable and Efficient Heating

Though discontinued, the Amana AC9S80 remains a trusted furnace, valued for its reliability and efficiency. Designed for homeowners seeking consistent performance without a premium price, this single-stage furnace with a multi-speed blower motor delivers dependable warmth and comfort throughout the home.


Key Features

Single-Stage Burner

The AC9S80 operates at full capacity whenever heat is needed, providing straightforward and reliable performance—ideal for homes in moderate climates.

Multi-Speed Blower Motor

With a multi-speed ECM blower motor, this furnace optimizes airflow to maintain even temperatures, enhancing comfort and energy efficiency throughout your home.

Durable Construction

Built with a high-quality heat exchanger and a robust steel cabinet, the AC9S80 is designed for longevity. Its durable materials reduce maintenance needs while ensuring reliable performance year after year.

Warranty Protection

Amana provides strong warranty coverage for the AC9S80, including:

  • 5-year parts warranty

  • 20-year heat exchanger warranty

  • Lifetime heat exchanger warranty upon registration


Why Choose the Amana AC9S80?

  • Consistent Heating: Single-stage burner delivers steady, dependable warmth.

  • Energy Efficient: 80% AFUE rating makes it ideal for moderate climates.

  • Proven Durability: Engineered to withstand years of use with minimal maintenance.

  • Enhanced Comfort: Multi-speed blower motor ensures even heat distribution.


Even though it has been discontinued, the Amana AC9S80 remains a practical choice for homeowners who value affordability, durability, and efficient heating. Its reliable design, solid performance, and strong warranty coverage make it a noteworthy option for dependable home heating.