Square Footage	Furnace BTU
1,000-1,200 sq. ft. Home	40,000 - 60,000 BTU
1,200-1,500 sq. ft. Home	60,000 BTU
1,500-1,800 sq. ft. Home	60,000 - 80,000 BTU
1,800-2,500 sq. ft. Home	80,000 - 100,000 BTU
2,500-3,500 sq. ft. Home	100,000 to 120,000 BTU

Coleman LX Series Z9ES Review: Efficient and Reliable Heating

Limited Inventory: This model has limited availability according to the manufacturer, though it may still be purchased through select distributors and contractors.

Coleman Brand Overview

Rating: 4.17/5 (18 Reviews) – Based on verified customer quotes through our website.
Average Price: $4,925

Average Price (Installed): $4,200 – $5,000
AFUE Rating: 96%
BTU Input: 60,000 – 120,000
BTU Output: 58,000 – 116,000
Burner Type: Single-Stage
Blower Motor: Variable-Speed ECM
ENERGY STAR® Certified: Yes
Warranty: Base – 5 years (Parts), 20 years (Heat Exchanger); Registered – 10 years (Parts), Lifetime (Heat Exchanger)

Top Features

High Efficiency: 96% AFUE ensures most fuel is converted into usable heat.
Variable-Speed ECM Blower: Improves airflow and distributes heat evenly while reducing noise.
Single-Stage Burner: Provides reliable and consistent heat output.
ENERGY STAR® Certified: Meets strict efficiency standards and may qualify for energy rebates.
Strong Warranty Coverage: Lifetime coverage on the heat exchanger (when registered) and extended parts coverage.

The Bottom Line

The Coleman LX Series Z9ES is an ENERGY STAR® certified furnace that balances efficiency, comfort, and affordability. With a 96% AFUE rating, variable-speed blower, and single-stage burner, it delivers reliable heating and energy savings, making it a strong choice for homeowners in moderate climates. Its robust warranty adds long-term value, ensuring peace of mind.

In-Depth Review

Heating Efficiency

The Z9ES converts the majority of fuel into usable heat with 96% AFUE, minimizing waste. Efficiency-enhancing features include:

Single-Stage Burner: Offers simple on/off operation with steady performance.
Variable-Speed ECM Blower: Optimizes airflow, improving heat distribution and energy efficiency.
ENERGY STAR® Certification: Meets strict efficiency guidelines, potentially qualifying for rebates or incentives.

Comfort and Performance

The furnace is designed to provide consistent and reliable heating, especially in homes with moderate climates. While a single-stage burner is less precise than dual-stage or modulating systems, the variable-speed blower ensures even heat distribution and improved humidity control, enhancing comfort.

Noise Reduction

Variable-Speed Blower: Operates more quietly than traditional fixed-speed models.
Sealed Cabinet Design: Minimizes operational noise for a quieter home environment.

Safety Features

Automatic Gas Shutoff: Protects against potential gas leaks.
Pressure Switches: Ensures proper airflow and combustion safety.
Sealed Combustion System: Reduces exposure to harmful gases like carbon monoxide.

Warranty Information

The Z9ES comes with a comprehensive warranty for peace of mind:

Base Warranty: 5 years on parts, 20 years on the heat exchanger
Registered Warranty: 10 years on parts, lifetime on the heat exchanger
Unit Replacement Warranty: 5 years

Installation and Sizing

The Z9ES is designed for flexible installation, supporting upflow, horizontal, or downflow configurations. Its compact design makes it easy to fit in most utility spaces, including closets or basements.

Final Verdict

The Coleman LX Series Z9ES is a high-efficiency, cost-effective furnace ideal for homeowners seeking reliable heating in moderate climates. With ENERGY STAR® certification, a variable-speed ECM blower, and robust warranty coverage, it offers energy savings, quiet operation, and long-term value.

If you want a dependable single-stage furnace that balances efficiency and affordability, the Z9ES is a strong choice in its class.