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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 AM9S80 Review (Discontinued)
Amana AM9S80 Review (Discontinued)

Amana AM9S80 Review (Discontinued)

AFUE: Up to 80 percent
Burner Type: Single-stage
Blower Type: Multi-speed ECM
Price: $4,800 to $5,400
BTU Output: 40,000 to 120,000
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Amana AM9S80: Reliable, Budget-Friendly Furnace

Though discontinued, the Amana AM9S80 remains a dependable choice for homeowners seeking an affordable and reliable heating solution. Designed for durability and consistent performance, this single-stage furnace features a multi-speed blower, making it well-suited for moderate climates where extreme efficiency isn’t a priority.

Key Features

Single-Stage Burner

The AM9S80 operates at full capacity whenever heat is required. While it isn’t as energy-efficient as dual-stage or modulating furnaces, it provides steady and reliable heating for budget-conscious homeowners.

Multi-Speed Blower Motor

Equipped with a variable/multi-speed ECM blower motor, this furnace optimizes airflow to maintain consistent indoor temperatures while slightly improving energy efficiency compared to fixed-speed models.

Durable Construction

A heavy-gauge steel cabinet and high-quality internal components ensure the AM9S80 is built to last, delivering years of dependable performance with minimal maintenance.

Warranty Coverage

Amana offers strong warranty protection for the AM9S80:

  • 5-Year Parts Warranty – Covers essential furnace components.

  • 20-Year Heat Exchanger Warranty – Ensures long-term reliability.

  • Lifetime Heat Exchanger Warranty (with registration) – Adds extra peace of mind for your investment.

While this model does not include unit replacement or extended labor warranties, the long-term heat exchanger coverage provides valuable protection.

Why Choose the Amana AM9S80?

  • Cost-Effective Heating: Affordable solution for homeowners seeking reliable warmth without premium efficiency features.

  • Consistent Comfort: Single-stage operation ensures steady, dependable heating.

  • Strong Warranty Protection: Lifetime heat exchanger warranty (with registration) provides long-term peace of mind.

  • Durable Build: Constructed with high-quality materials for lasting performance.

Although it lacks ENERGY STAR® certification and advanced features like dual-stage burners, the Amana AM9S80 delivers practical performance for moderate climates. Its multi-speed blower and robust warranty make it a solid mid-range option.

With reliable heating performance and comprehensive warranty protection, the Amana AM9S80 remains a practical and worthwhile investment for your home.

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