

Luxaire LX Series – Z9ET Review
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AFUE:Up to 97%
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Burner Type:Dual-Stage
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Blower Type:5-Speed ECM fan motor
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Warranty Score:
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Overall Grade:
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Price:$4,750 - $5,500
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BTU Output:58,000 - 116,000
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Warranty Grade: It can be difficult to know which brands and models offer the best warranty coverage, particularly because a lot of the key details are hidden in dense warranty documents filled with hard to understand legalese. Thankfully for you, we’ve carefully studied them and created this grading system to account for things like the length AND quality of their guarantee, coverage restrictions and more!
Overall Grade: This grade weighs key factors like efficiency, ENERGY STAR certification, comfort, noise level (for A/Cs), our warranty grade, and more.
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Limited inventory: Please note, this model has been marked as having limited inventory by the manufacturer, although it may still be available for purchase through distributors and contractors for some time.
Luxaire Brand Overall Rating & Average Price
The Luxaire LX Series - Z9ET is a high-efficiency, two-stage gas furnace designed to provide consistent comfort, energy savings, and reliable performance. With an impressive 97% AFUE rating, this furnace ensures minimal energy waste, making it a cost-effective heating solution for homeowners.
This review highlights the key features, benefits, and performance of the Luxaire LX Series - Z9ET to help you determine if it’s the right fit for your home.
Luxaire LX Series - Z9ET Overview
- AFUE Rating: Up to 97%
- Burner Type: Two-stage gas valve
- Blower Type: Multi-speed ECM motor
- Dual-Fuel Capable: Yes (compatible with a heat pump)
- Noise Reduction: Yes (fully insulated cabinet and quiet operation)
- ENERGY STAR Certified: Yes
Key Features
- Two-stage burner that adjusts heating levels for optimal comfort and efficiency
- Multi-speed ECM blower motor for improved airflow and temperature consistency
- Compact 33-inch height design for easy installation in tight spaces
- Fully insulated cabinet to reduce noise and prevent heat loss
- Air purifier and humidifier compatibility for improved indoor air quality
- High-temperature limit control to prevent overheating
- Solid, pre-painted steel insulated cabinet with a tight-fit door latch system
- ClimaTrak™ Comfort System to tailor operation to specific climate conditions
Performance and Efficiency
With a 97% AFUE rating, the Luxaire LX Series - Z9ET ensures that only 3% of fuel is lost as waste, significantly reducing heating costs.
The two-stage burner and multi-speed ECM blower motor provide consistent and even heating, adjusting automatically based on temperature demands.
Additionally, the compact 33-inch height design allows for installation in tight spaces, enhancing versatility.
Benefits of the Luxaire LX Series - Z9ET
- Energy-efficient heating – 97% AFUE for lower utility bills
- Quiet operation – Sound-reducing features and insulated cabinet
- Consistent comfort – Multi-speed motor for precise temperature control
- Durable and reliable – High-quality construction and solid steel cabinet
- Enhanced safety features – High-temperature limit control prevents overheating
- Improved air quality – Compatible with air purifiers and humidifiers
- Flexible installation – Compact design fits into tight spaces
Warranty and Coverage
Luxaire offers comprehensive warranty protection for the LX Series - Z9ET:
- Lifetime Heat Exchanger Limited Warranty
- 10-Year Parts Limited Warranty (upon timely registration)
To receive full warranty benefits, registration must be completed within 90 days of installation and performed by a licensed professional.
Final Thoughts
The Luxaire LX Series - Z9ET is a high-efficiency gas furnace that delivers consistent warmth, energy savings, and quiet operation. With a two-stage burner, multi-speed ECM blower motor, and compact design, this furnace is an excellent investment for homeowners seeking comfort, efficiency, and long-term reliability.
If you’re looking for a quiet, durable, and efficient furnace, the Luxaire LX Series - Z9ET is a top-tier choice that ensures superior performance and comfort throughout the winter months.