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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
Daikin DD80TN Review
Daikin DD80TN Review

Daikin DD80TN Review

AFUE: Up to 80%
Burner Type: Two-Stage
Blower Type: Multi Speed ECM Motor
Price: $3,500 – $4,330
BTU Output: 32,000 – 90,000
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Daikin DD80TN Furnace Review

The Daikin DD80TN is a single-stage, multi-speed, multi-position gas furnace that offers reliable heating at an affordable price. While it doesn’t have the highest efficiency ratings, it provides consistent performance and durability, making it a solid choice for homeowners seeking a cost-effective heating solution.

Average Price (Installed): $3,000 – $4,000
AFUE Rating: 80%

Top Features

  • Multi-speed blower motor – Optimizes airflow for better comfort and reduces operating noise.

  • Heavy-duty stainless-steel tubular heat exchanger – Ensures long-lasting durability and corrosion resistance.

  • AFUE: 80% – Converts 80 cents of every heating dollar into usable warmth.

The Bottom Line

The Daikin DD80TN is an entry-level gas furnace that delivers dependable heating without breaking the bank. Its sturdy construction and reliable components make it an ideal choice for homeowners looking for a budget-friendly yet dependable heating system.

In-Depth Review

Product Specifications

  • AFUE: 80%

  • Compressor Type: Single Stage, Multi-Speed

  • Heat Exchanger: Stainless-steel tubular and secondary heat exchanger

  • Ignition Type: Durable Silicon Nitride igniter

  • Gas Valve Type: Single Stage

  • Blower Motor: Multi-speed

  • Cabinet: Heavy-gauge steel with durable finish

  • Cabinet Air Leakage (QLeak): ≤ 2%

  • Certifications: AHRI Certified, ETL Listed

  • Installation: Multi-position (upflow / horizontal left or right)

Key Features Explained

  • Multi-Speed Blower Motor: Adjusts speeds based on heating demand for more efficient airflow and quieter operation.

  • Heavy-Duty Stainless-Steel Heat Exchanger: Durable design resists corrosion and ensures long-term reliability.

  • AFUE: 80%: Provides solid heating performance for an affordable furnace option.

  • Quiet Operation: Single-speed induced draft blower minimizes noise during operation.

  • Self-Diagnostic Control Board: Simplifies troubleshooting and maintenance.

  • Versatile Installation: Can be installed in upflow or horizontal configurations to fit various home layouts.

Warranty Information

Daikin backs the DD80TN with a strong warranty package for peace of mind:

  • Lifetime Limited Heat Exchanger Warranty – Covers the most critical component of the furnace.

  • 12-Year Parts Limited Warranty – Protects internal functional components.

  • Daikin Comfort Promise: Professional service within one year of installation at no extra cost.

Final Thoughts

The Daikin DD80TN is a reliable, budget-friendly furnace ideal for homeowners seeking durable heating without premium features. Its stainless-steel heat exchanger, multi-speed blower, and trusted Daikin warranty make it a dependable choice for consistent performance and long-term reliability.

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