Features & Benefits
- 80% AFUE
- Dual-Diameter Tubular Heat Exchanger
- Multi-Speed Motor
- Quiet Single Speed Draft Inducer
- 10-Year Parts Limited Warranty
- California Compliant
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Goodman GMH80804BX Gas Furnace, Two-Stage BurnerMulti-Speed Blower, UpflowHorizontal Low NOx - 80,000 BTU
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Goodman 80% AFUE 80,000 BTU LoNOx Gas Furnace with heavy-duty aluminized-steel dual-diameter tubular heat exchanger and multi-speed motor.
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What Stands Out
High Efficiency
With an 80% AFUE rating, this furnace maximizes energy use, reducing utility bills while maintaining warmth in your home, making it an economical choice for homeowners.
Two-Stage Operation
The two-stage heating system provides optimal comfort and temperature regulation by adjusting heat output according to demands, resulting in improved indoor air quality and enhanced comfort.
Low NOx Emissions
Designed with low NOx technology, this furnace ensures minimal environmental impact while meeting stringent regulations, offering peace of mind for eco-conscious consumers.
Product Details
Who Should Buy?
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Budget-Conscious Homeowners
This furnace provides an affordable heating solution without compromising on quality or efficiency for budget-minded individuals.
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Medium-Sized Homes
Ideal for medium-sized residential spaces, offering sufficient heating capacity while maintaining energy efficiency for comfort.
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Environmentally-Conscious Users
Low NOx emissions make it suitable for those looking to minimize their environmental impact while heating their homes.
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Large Residences
Those with larger homes may find 80k BTU insufficient for effective heating, potentially leading to discomfort and inefficiency.
Product Description
Goodman GMH80804BX Gas Furnace, Two-Stage BurnerMulti-Speed Blower, UpflowHorizontal Low NOx - 80,000 BTU
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Customer Questions & Answers
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Question:
What is the AFUE rating of the Goodman 80k BTU furnace?
Answer: The Goodman 80% AFUE Two-Stage Furnace boasts an Annual Fuel Utilization Efficiency (AFUE) rating of 80%. This indicates that 80% of the energy consumed is effectively converted into heat. A high AFUE rating means improved energy efficiency, which not only helps to lower your heating costs but also contributes to environmental sustainability by reducing gas emissions. For example, during cold months, this furnace will effectively heat your space while keeping energy consumption at a reasonable level. -
Question:
How does a two-stage furnace operate?
Answer: A two-stage furnace operates at two levels of heating output: high and low. The low stage is utilized during milder temperatures for better energy efficiency, while the high stage kicks in during extreme cold for maximum heat output. This flexibility allows for consistent warmth and comfort in your home, while also saving on energy costs throughout varying weather conditions. In practice, you may notice a more stable indoor temperature, reducing drafts and enhancing comfort during harsh winters. -
Question:
What are the dimensions of the Goodman furnace?
Answer: The Goodman 80k BTU furnace has a width of 17.5 inches, which makes it a compact option suitable for tight installation spaces. Its design allows it to fit into various environments, including small basements or utility closets. When planning your installation, be sure to measure your available space accurately, as the compact design allows for versatile placement without compromising performance. -
Question:
What are the benefits of Low NOx technology?
Answer: The Low NOx technology integrated into the Goodman furnace significantly reduces nitrogen oxide emissions, making it more environmentally friendly while adhering to local air quality regulations. This is particularly beneficial for areas with strict environmental standards. Homeowners who prioritize sustainability will find this feature appealing, as it not only minimizes environmental impact but also contributes to cleaner air quality in the home and surrounding community. -
Question:
Is this furnace compatible with smart thermostats?
Answer: Yes, the Goodman 80% AFUE Two-Stage Furnace is compatible with most smart thermostats. This allows homeowners to manage their heating more effectively through mobile apps or programmed settings. By integrating a smart thermostat, you can optimize heating schedules according to your lifestyle, enhancing comfort while maximizing energy savings. Practical use cases include adjusting settings remotely when you're away from home or scheduling heat at different times of the day. -
Question:
What type of gas does the Goodman furnace use?
Answer: The Goodman 80k BTU furnace operates on natural gas, making it a reliable choice for homeowners with access to a natural gas supply. Natural gas is often considered more cost-effective and environmentally friendly compared to other fossil fuels. When selecting a furnace, ensure that your home’s plumbing and gas lines are prepared for natural gas use, as it can provide consistent performance in heating your home. -
Question:
How is the multi-speed blower beneficial?
Answer: The multi-speed blower in the Goodman furnace enhances comfort by providing a wide range of airflow options, allowing for better temperature control throughout your home. This feature minimizes temperature fluctuations and helps maintain a consistent indoor climate. For example, during colder periods, the blower can speed up for maximum heat distribution or slow down for quieter operation, ensuring you don’t experience sudden cold drafts. -
Question:
What should I consider when installing the Goodman furnace?
Answer: When installing the Goodman 80k BTU furnace, consider factors such as venting requirements, unit placement, and the insulation of your home. Proper installation is crucial for efficiency and safety. You may want to consult with a professional to ensure optimal setup, including positioning the unit for the best airflow and connecting it to an appropriate exhaust system. This preparation is essential for achieving the best performance and longevity of the furnace. -
Question:
Can this furnace provide heating for large spaces?
Answer: Yes, the Goodman 80k BTU furnace is designed to efficiently heat larger spaces, making it suitable for expansive homes or areas. Its output capacity ensures that even larger rooms are adequately heated during the cold months. Homeowners with open floor plans or considerable square footage can particularly benefit from this model, as it will help maintain a comfortable temperature throughout the entire living area. -
Question:
Where can I buy Goodman 80% AFUE Two Stage UpflowHorizontal Multi-Speed 80k BTU Low NOx Natural Gas Furnace 17.5 Wide GR9T800804BX?
Answer: You can purchase the Goodman 80% AFUE Two Stage UpflowHorizontal Multi-Speed 80k BTU Low NOx Natural Gas Furnace 17.5 Wide GR9T800804BX from Ubuy in India. Ubuy offers a streamlined shopping experience with a range of heating products and reliable customer service to assist you in making your choice.
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“Quality, fit, and variety are all good. Very good quality, perfect fit, with a good variety in 70s Bellbottom jeans. Keep them coming.”
20-Jul-26 · via Trustpilot
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“Everything was well maintained and smooth . We can trust UBUY .”
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“Product is nice. Well packaged and delivered promptly”
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neeraj
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“Product was delivered before time. At each steps remider given time to time ,product is also good and fruitful”
3 July 2026 · via Trustpilot
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siva
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“I received the product properly packed and without any damage. If you can provide a video showing how to assemble the parts, it would be a great help. Thanks & Regards, Siva Prakash.”
16-Jul-26 · via Trustpilot
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