As winter approaches, a reliable and efficient heating system becomes paramount. For homeowners utilizing natural gas, selecting one of the best natural gas furnaces is a crucial decision that impacts both comfort and budget.
Choosing the right furnace involves careful consideration of factors like energy efficiency, heating capacity, and long-term durability. This comprehensive review focuses on guiding you through the complexities of the furnace market, highlighting the key features and benefits that differentiate various models.
We understand the importance of finding a balance between quality and value, ensuring your investment provides years of dependable warmth. Our goal is to help you confidently choose from the best natural gas furnaces available, leading to a comfortable and cost-effective heating solution for your home.
IN THIS ARTICLE
Top 10 Best Natural Gas Furnaces Compared

π BEST OVERALL Ashley Hearth DVAG30N 25000 BTU Direct Vent Natura
- Heats up to 825 sq. ft.
- Complete installation kit included
- Sealed burn system enhances safety
- Matchless Piezo lighting for easy ignition
4.5/5
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π₯ 2ND RUNNER UP Gas Burners for Forges
- Lower price point compared to a new book.
- Functional and readable copy.
- Generally in good condition as advertised.
- Sustainable option by reusing resources.
4.5/5
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οΏ½ BEST VALUE Ashley Hearth Products DVAG17N 17
- High BTU output effectively heats large spaces.
- Sealed burn system suitable for living areas.
- Matchless Piezo ignition for easy starting.
- Complete installation kit included, simplifying setup.
4.4/5
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Goodman 96% AFUE, 60
- High efficiency (96.1% AFUE)
- Durable heat exchangers (aluminized-steel and stainless-steel)
- Multi-speed ECM blower motor for quiet operation
- Provisions for air cleaner and humidifier
4.3/5
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Rinnai EX38DTWN Direct Vent Wall Furnace
- Consistent and efficient heating with modulating technology.
- Safe design with cool-to-the-touch cabinet and self-diagnostics.
- Energy-saving operation by matching heat levels to demand.
- Programmable thermostat for customizable comfort and Wi-Fi integration.
4.7/5
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Goodman 96% AFUE Two Stage Upflow/Horizontal multi
- High efficiency (96% AFUE) for potential energy savings.
- Two-stage gas valve provides more consistent heating.
- Multi-speed ECM motor for quieter operation and improved efficiency.
- Comprehensive warranty coverage available upon registration (10-year unit replacement, lifetime compressor, 10-year parts).
4.3/5
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Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater
- Heats up to 2000 sq. ft.
- Offers both vertical and horizontal venting options.
- Includes liquid propane conversion kit for added versatility.
- Features spark ignition with self-diagnostic control.
4.7/5
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Comfort Glow 11,000 BTU Direct Vent Natural Gas Wall Heater
- Efficiently heats up to 375 sq. ft.
- Safe operation with sealed burn system and safety pilot
- No electricity required, reliable during power outages
- Space-saving wall-mounted design
4.5/5
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Goodman 3.5 Ton 15.2 SEER2 R32 Upflow AC System with 96% AFUE 100
- R32 refrigerant compliant with environmental standards
- Combined AC and natural gas furnace unit
- Pre-charged for 15′ tubing length simplifies installation
- Copper tube enhanced aluminum fin condenser coil for efficient heat transfer
4.7/5
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Dyna-Glo IR30NMDG-1 30
- Heats up to 1,000 sq. ft. with 30,000 BTU/hr.
- Infrared technology provides efficient radiant heat.
- Variable control knob allows for customized heat settings.
- No electricity required, ideal for emergency heating.
4.5/5
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Detailed Reviews of the Best Natural Gas Furnaces
Ashley Hearth DVAG30N 25000 BTU Direct Vent Natura – Heats up to 825 sq. ft.
This natural gas heater offers a convenient and vent-free heating solution for spaces up to 825 square feet. The 25,000 BTU heat output seems adequate for supplemental heating, and the sealed burn system promotes safety for use in living areas and bedrooms. The included installation kit, featuring all necessary components like heat shield, vent pipe and flashing, simplifies the setup process, eliminating the need for separate purchases.
Matchless Piezo lighting ensures easy and quick ignition. Its approval for mobile and modular homes expands its potential applications. Overall, this heater presents a practical option for those seeking a supplementary heating source with straightforward installation.
Pros
- Heats up to 825 sq. ft.
- Complete installation kit included
- Sealed burn system enhances safety
- Matchless Piezo lighting for easy ignition
- Approved for mobile/modular homes
Cons
- Requires natural gas connection
- Heat output may not be sufficient for larger or poorly insulated spaces
Gas Burners for Forges – Lower price point compared to a new book.
This product is advertised as a “Used Book in Good Condition.” Upon arrival, the book generally aligns with this description. There may be some minor cosmetic wear, such as slight creasing on the cover or slightly worn edges, as is typical with used books. The pages are intact and legible, with no significant markings or damage observed in most cases.
While the book might not be in pristine condition like a new one, it serves its purpose well for reading and studying. The overall value is decent, considering the reduced price compared to buying new. However, expectations should be adjusted accordingly to reflect that it is a pre-owned item.
Specific condition will vary from book to book.
Pros
- Lower price point compared to a new book.
- Functional and readable copy.
- Generally in good condition as advertised.
- Sustainable option by reusing resources.
Cons
- May have minor cosmetic imperfections (creases, worn edges).
- Specific condition varies.
Ashley Hearth Products DVAG17N 17 – High BTU output effectively heats large spaces.
This natural gas heater boasts a substantial 17,000 BTU heat input, making it suitable for spaces up to 570 sq. ft. Its sealed burn system makes it a reasonable choice for bedrooms and living areas, potentially minimizing drafts and odors.
The matchless Piezo ignition offers convenient start-ups without the need for matches or lighters. A significant advantage is the included complete installation kit, which eliminates the hassle of sourcing individual venting components. The kit includes essential parts such as a heat shield, vent pipe, air intake pipe, flashing, cap, and connecting rod.
Furthermore, its approval for use in mobile and modular homes expands its application. However, remember this is designed explicitly for natural gas; propane users should explore alternative options.
Pros
- High BTU output effectively heats large spaces.
- Sealed burn system suitable for living areas.
- Matchless Piezo ignition for easy starting.
- Complete installation kit included, simplifying setup.
- Approved for mobile and modular home use.
Cons
- Exclusively designed for natural gas; not compatible with propane.
- Installation might still require some DIY skills or professional assistance.
Goodman 96% AFUE, 60 – High efficiency (96.1% AFUE)
The Goodman GM9S960603BN furnace appears to be a solid replacement option, particularly for those upgrading from the older GMES96 model. Boasting a 96.1% AFUE rating, it promises energy efficiency and potential cost savings. The unit features a durable heat exchanger and a multi-speed ECM blower motor for quiet and economical operation.
Provisions for electronic air cleaners and humidifiers add to its versatility. The inclusion of self-diagnostic controls and compliance with safety standards offers peace of mind. The unit’s dimensions should be carefully considered to ensure compatibility with existing installations.
The generous warranty, including a lifetime heat exchanger warranty (with registration), further enhances its appeal. However, keep in mind the warranty requires registration within 60 days (except in CA/QC).
Pros
- High efficiency (96.1% AFUE)
- Durable heat exchangers (aluminized-steel and stainless-steel)
- Multi-speed ECM blower motor for quiet operation
- Provisions for air cleaner and humidifier
- Self-diagnostic control board
- Excellent warranty (lifetime heat exchanger, 10-year parts)
Cons
- Warranty requires online registration within 60 days (except in CA/QC)
- Single-stage furnace may not be ideal for all climates/preferences.
Rinnai EX38DTWN Direct Vent Wall Furnace – Consistent and efficient heating with modulating technology.
The Rinnai direct vent wall heater aims to provide consistent and efficient heating with its modulating technology, designed to eliminate cold spots. Safety is prioritized with a cool-to-the-touch cabinet and self-diagnostic electronics. The unit promotes energy savings by adjusting heat output to match the user’s needs and includes a programmable thermostat for customized comfort, with Wi-Fi integration capabilities.
Its compact design is suitable for various spaces. Overall, this heater seems well-featured, balancing performance, safety, and convenience. However, long-term reliability and installation complexity should be considered before purchase.
Pros
- Consistent and efficient heating with modulating technology.
- Safe design with cool-to-the-touch cabinet and self-diagnostics.
- Energy-saving operation by matching heat levels to demand.
- Programmable thermostat for customizable comfort and Wi-Fi integration.
- Compact and space-saving design.
Cons
- Installation may require professional assistance due to direct vent requirements.
- Long-term reliability and maintenance costs are unknown.
Goodman 96% AFUE Two Stage Upflow/Horizontal multi – High efficiency (96% AFUE) for potential energy savings.
The Goodman GR9T960603BN furnace is a 96% AFUE Energy Star rated unit designed for upflow/horizontal installations. With a heating capacity of 60,000 BTU, this furnace utilizes a multi-speed ECM motor and a two-stage gas valve for efficient and consistent heating performance. It operates on a standard 115 VAC power supply.
The 17.5″ cabinet width should be considered for installation space requirements. One of the key benefits of this Goodman furnace is the comprehensive warranty coverage offered upon registration, including a 10-year unit replacement limited warranty, lifetime compressor limited warranty, and a 10-year parts limited warranty. Potential buyers should carefully review the specific terms and conditions of the warranty to understand the extent of coverage.
Pros
- High efficiency (96% AFUE) for potential energy savings.
- Two-stage gas valve provides more consistent heating.
- Multi-speed ECM motor for quieter operation and improved efficiency.
- Comprehensive warranty coverage available upon registration (10-year unit replacement, lifetime compressor, 10-year parts).
- Energy Star certified.
Cons
- Installation may require professional expertise.
- Warranty requires registration to be fully effective.
Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater – Heats up to 2000 sq. ft.
The Mr. Heater Big Maxx Natural Gas Heater is designed to heat spaces up to 2000 sq. ft.
with its 80,000 BTU output. It requires a 120V power supply and draws 2.3 amps. Its powered exhaust is a convenient feature, enabling both vertical and horizontal venting options.
The spark ignition system with a self-diagnostic control module adds a layer of safety and ease of use. The inclusion of angle brackets and a liquid propane conversion kit expands its usability, though it’s important to note that the thermostat, hose, and regulator are not included and must be purchased separately. A 3-year limited warranty on parts and burners offers some peace of mind.
Pros
- Heats up to 2000 sq. ft.
- Offers both vertical and horizontal venting options.
- Includes liquid propane conversion kit for added versatility.
- Features spark ignition with self-diagnostic control.
- Backed by a 3-year limited warranty on parts and burners.
Cons
- Thermostat, hose, and regulator are not included.
- Requires professional installation and natural gas connection.
Comfort Glow 11,000 BTU Direct Vent Natural Gas Wall Heater – Efficiently heats up to 375 sq. ft.
This 11,000 BTU natural gas heater is designed to heat spaces up to 375 square feet. Its direct vent design eliminates the need for a chimney, venting directly through an exterior wall. The heater features a sealed burn system and matchless piezo ignition, adding to user convenience and safety.
A built-in pressure regulator and safety pilot are included to automatically shut off the gas supply if the pilot light goes out, enhancing safety. Its wall-mounted design is space-saving, and it’s approved for use in bedrooms, bathrooms, and mobile homes, making it a versatile heating option. The lack of electrical requirement makes it ideal for power outages.
Thermostatic control allows for easy temperature adjustments. Approved for use in Canada.
Pros
- Efficiently heats up to 375 sq. ft.
- Safe operation with sealed burn system and safety pilot
- No electricity required, reliable during power outages
- Space-saving wall-mounted design
- Approved for bedrooms, bathrooms, and mobile homes
- Easy to use with matchless piezo ignition
Cons
- Requires natural gas connection.
- Professional installation might be needed for venting.
Goodman 3.5 Ton 15.2 SEER2 R32 Upflow AC System with 96% AFUE 100 – R32 refrigerant compliant with environmental standards
This AC unit with natural gas heat offers a combined cooling and heating solution. The use of R32 refrigerant is a positive aspect, aligning with environmental standards like AIM ACT and the Montreal Protocol. Being pre-charged for 15′ of tubing simplifies installation to some extent.
The copper tube enhanced aluminum fin condenser coil suggests a focus on efficient heat transfer. The unit’s AHRI certification and ETL listing provide reassurance regarding performance and safety standards. However, potential buyers should carefully assess whether the 15′ pre-charge is sufficient for their specific installation needs and factor in the costs and complexity associated with natural gas hookups for the furnace.
Pros
- R32 refrigerant compliant with environmental standards
- Combined AC and natural gas furnace unit
- Pre-charged for 15′ tubing length simplifies installation
- Copper tube enhanced aluminum fin condenser coil for efficient heat transfer
- AHRI Certified performance
- ETL Listed for safety
Cons
- 15′ pre-charge may not be sufficient for all installations
- Requires natural gas connection for the furnace component, adding complexity and cost.
Dyna-Glo IR30NMDG-1 30 – Heats up to 1,000 sq. ft. with 30,000 BTU/hr.
This natural gas heater offers a practical solution for supplemental heating in spaces up to 1,000 sq. ft. Its infrared technology provides a radiant heat, directly warming objects rather than just the air.
The variable control knob allows for adjustable heat settings with low, medium, and high options. A key advantage is its reliance on natural gas, eliminating the need for electricity, making it useful during power outages. However, fuel conversion is not permitted, limiting its flexibility.
While the unit itself is functional, optional accessories like a fan for increased heat distribution and base legs for floor mounting are sold separately. The 1-year warranty provides some peace of mind.
Pros
- Heats up to 1,000 sq. ft. with 30,000 BTU/hr.
- Infrared technology provides efficient radiant heat.
- Variable control knob allows for customized heat settings.
- No electricity required, ideal for emergency heating.
- 1-year warranty.
Cons
- Fuel conversion not permitted, limited to natural gas.
- Optional fan and base legs are sold separately.
Buying Guide: What to Look For in a Best Natural Gas Furnaces
Understanding Your Heating Needs
Choosing the best natural gas furnace requires careful consideration of your heating needs. Start by calculating the square footage you need to heat. Consider factors like insulation, climate, and the number of windows. Higher BTU (British Thermal Units) output is necessary for larger spaces or colder climates. A properly sized furnace will provide optimal comfort and efficiency. This guide will help navigate the features of best natural gas furnaces.
Key Features to Consider
Several key features differentiate natural gas furnaces. AFUE (Annual Fuel Utilization Efficiency) rating indicates how efficiently the furnace converts fuel into heat; higher AFUE means greater energy savings. Look for features like multi-speed blowers for consistent temperatures and quieter operation. Sealed combustion systems enhance safety. Consider warranties, especially for heat exchangers, as they can be costly to repair or replace. Features like smart thermostats add convenience. When comparing the best natural gas furnaces, these features are crucial.
Types of Natural Gas Furnaces
Natural gas furnaces come in various types. Single-stage furnaces operate at one speed, while two-stage furnaces offer more consistent heating and efficiency. Modulating furnaces adjust their output to match the heating demand, providing the most consistent comfort and energy savings. Direct vent furnaces draw air from outside, enhancing safety and efficiency. Upflow, downflow, and horizontal furnaces are designed for different installation configurations. Choosing the right type depends on your home’s layout and ductwork.
Installation and Maintenance
Proper installation is crucial for the performance and safety of your natural gas furnace. Itβs recommended to hire a qualified HVAC professional for installation. Regular maintenance, including filter changes and inspections, will prolong the life of your furnace and ensure optimal efficiency. Consider a maintenance plan with an HVAC company for peace of mind. Maintenance is essential for best natural gas furnaces to function optimally.
Safety Considerations
Safety is paramount when dealing with natural gas appliances. Ensure the furnace has a sealed combustion system to prevent carbon monoxide leaks. Install carbon monoxide detectors throughout your home. Regularly inspect the furnace for any signs of damage or malfunction. If you smell gas, immediately evacuate the area and contact your gas company or fire department. Taking proactive safety measures ensures a safe and comfortable home environment.
Frequently Asked Questions about Best Natural Gas Furnaces
What is AFUE, and why is it important?
AFUE, or Annual Fuel Utilization Efficiency, measures a furnace’s efficiency in converting fuel into heat. A higher AFUE rating indicates greater energy efficiency and lower heating bills. For instance, a furnace with 96% AFUE converts 96% of the fuel into usable heat, while the remaining 4% is lost. Choosing a furnace with a high AFUE rating can significantly reduce your long-term heating costs and environmental impact. This is a key factor when considering the best natural gas furnaces.
How do I determine the right BTU output for my home?
Determining the correct BTU (British Thermal Unit) output involves calculating your home’s heating load. Factors like square footage, insulation, climate, and window efficiency influence the required BTU output. A general rule of thumb is to use 20 BTU per square foot in moderate climates, but a professional HVAC technician can perform a more accurate calculation. Oversized furnaces can lead to short cycling, while undersized furnaces struggle to maintain comfortable temperatures.
What are the differences between single-stage, two-stage, and modulating furnaces?
Single-stage furnaces operate at a fixed speed, delivering a constant amount of heat. Two-stage furnaces have two output levels, providing more consistent heating and energy savings. Modulating furnaces adjust their output in small increments, matching the heating demand precisely for optimal comfort and efficiency. Modulating furnaces offer the most consistent temperatures and energy savings but are typically more expensive upfront. Two stage furnaces are a balance of cost and efficiency.
What are the benefits of a sealed combustion system?
A sealed combustion system draws air from outside your home for combustion, preventing the furnace from using indoor air. This enhances safety by reducing the risk of carbon monoxide leaks and improves efficiency by minimizing drafts. Sealed combustion systems are particularly beneficial in tightly sealed homes. They also prevent dust and allergens from being drawn into the furnace, contributing to cleaner indoor air. This is a crucial safety feature for best natural gas furnaces.
How often should I have my natural gas furnace serviced?
It is recommended to have your natural gas furnace professionally serviced at least once a year, preferably before the heating season begins. Regular maintenance ensures optimal performance, efficiency, and safety. A technician will inspect and clean the furnace, check for leaks, and ensure all components are functioning properly. Neglecting maintenance can lead to decreased efficiency, increased energy bills, and potential safety hazards.
What is the average lifespan of a natural gas furnace?
The average lifespan of a natural gas furnace is typically 15 to 20 years, provided it is properly installed and maintained. Factors like the quality of the furnace, the climate, and the frequency of maintenance can affect its lifespan. Regular maintenance, including filter changes and annual inspections, can help extend the life of your furnace. Replacing a furnace before it fails can prevent unexpected breakdowns and improve energy efficiency.
What is the purpose of a multi-speed blower motor?
A multi-speed blower motor allows the furnace to adjust the airflow based on the heating demand. This results in more consistent temperatures, quieter operation, and improved energy efficiency. During milder weather, the blower can operate at a lower speed, reducing noise and energy consumption. Multi-speed blowers also enhance air circulation and filtration, contributing to improved indoor air quality. This is a common feature in higher end furnaces.
What is the importance of having a good warranty on my furnace?
A comprehensive warranty provides peace of mind and protects you from unexpected repair costs. Look for furnaces with a long warranty on the heat exchanger, as this is the most expensive component to replace. A 10-year parts warranty is also desirable. Be sure to register your furnace to activate the warranty and keep records of all maintenance and repairs. A good warranty is a sign of a reliable product.
Are there any tax credits or rebates available for energy-efficient furnaces?
Yes, there may be federal, state, or local tax credits or rebates available for purchasing energy-efficient furnaces. Check with your local utility company, state energy office, or the Energy Star website for information on available incentives. These incentives can help offset the upfront cost of a high-efficiency furnace and make it more affordable. Taking advantage of these opportunities can save money on your initial investment.
How do I know if my furnace needs to be replaced?
Signs that your furnace may need to be replaced include increasing energy bills, frequent repairs, inconsistent heating, unusual noises, and a furnace that is over 15 years old. If you experience any of these issues, have a qualified HVAC technician inspect your furnace to determine if repair or replacement is the best option. Replacing an old, inefficient furnace with a new, energy-efficient model can save you money in the long run.
Conclusion: The Final Verdict
The Ashley Hearth DVAG30N 25000 BTU Direct Vent Natura this natural gas heater provides a vent-free and relatively easy-to-install heating solution. if you have a natural gas connection and need supplemental heating for a moderately sized room, this could be a suitable option.