In today’s quest for home comfort, dual fuel furnace systems offer an impressive blend of efficiency and reliability. You might be considering which systems provide the best value while keeping your energy costs down. With brands like Goodman and Duluth Forge leading the charge, there are several options worth exploring. Let’s take a closer look at the top contenders and what makes them stand out in 2025.
Goodman 96% AFUE Two Stage Gas Furnace (100k BTU)
If you’re seeking an energy-efficient heating solution for your home, the Goodman 96% AFUE Two Stage Gas Furnace (100k BTU) stands out as an excellent choice. This model boasts a remarkable 96% annual fuel utilization efficiency, ensuring you get the most out of your energy usage. Designed for upflow or horizontal installations, it’s not compatible with downflow setups. With a multi-speed ECM motor, it enhances airflow control and minimizes noise, creating a comfortable environment. The aluminized steel heat exchanger adds durability, while optional accessories like LP conversion kits make it versatile for various needs.
Best For: Homeowners looking for an energy-efficient heating solution with superior airflow control in upflow or horizontal setups.
Pros:
- High Efficiency: Achieves a 96% AFUE rating, maximizing energy utilization.
- Quiet Operation: The multi-speed ECM motor reduces noise levels for a more comfortable environment.
- Durable Construction: Features a robust aluminized steel heat exchanger for long-lasting performance.
Cons:
- Limited Installation Options: Only compatible with upflow/horizontal configurations, not suitable for downflow setups.
- Accessories Sold Separately: Additional items like LP conversion kits and venting kits are not included and must be purchased separately.
- Specific Model Compatibility: Only replaces certain older models, which may limit options for some users.
Goodman 2 TON Dual Fuel Heat Pump Packaged Unit
The Goodman 2 TON Dual Fuel Heat Pump Packaged Unit is an ideal choice for homeowners seeking an energy-efficient heating and cooling solution that meets 2025’s rigorous federal standards. With a 13.4 SEER2 rating, it guarantees improved cooling performance while cutting energy costs. Its heavy-duty galvanized steel cabinet resists outdoor elements, and the foil-faced insulated cabinet enhances thermal efficiency. Plus, the energy-efficient scroll compressor offers reliable, quiet operation with fewer moving parts. You’ll enjoy peace of mind with a 10-year parts limited warranty and a 20-year heat exchanger warranty when you register your unit with a qualified installer.
Best For: Homeowners looking for an energy-efficient dual fuel heating and cooling solution that meets federal energy standards.
Pros:
- High Efficiency: 13.4 SEER2 rating provides improved cooling performance and reduced energy costs.
- Durable Construction: Heavy-duty galvanized steel cabinet and foil-faced insulated cabinet enhance durability and thermal efficiency.
- Reliable Performance: Energy-efficient scroll compressor ensures quieter operation and fewer moving parts.
Cons:
- Initial Cost: Higher upfront investment compared to traditional heating and cooling systems.
- Accessory Costs: Line sets, LP kits, and heat kits are sold separately, potentially increasing overall expenses.
- Installation Requirement: Requires installation by a qualified installer to benefit from warranty coverage.
Duluth Forge Dual Fuel Ventless Gas Stove (Model FDSR25)
For those seeking an efficient and stylish heating solution, the Duluth Forge Dual Fuel Ventless Gas Stove (Model FDSR25) stands out with its impressive 26,000 BTU output, making it perfect for spaces up to 1,200 square feet. This stove uses dual fuel technology, offering you the flexibility of natural gas or liquid propane. With a near-perfect efficiency rating of 99.9%, it requires no outside duct or chimney. The included remote control features an LCD display for easy temperature monitoring. Plus, safety is prioritized with an oxygen depletion sensor and push button ignition, ensuring peace of mind while you enjoy the warmth.
Best For: Those looking for an efficient, stylish heating solution for indoor spaces up to 1,200 square feet.
Pros:
- High Efficiency: Achieves 99.9% efficiency with no need for outside ductwork or chimney.
- Flexible Fuel Options: Can operate on both natural gas and liquid propane for versatile installation.
- User-Friendly Controls: Comes with a remote control featuring an LCD display for easy temperature monitoring.
Cons:
- Indoor Use Only: Designed exclusively for indoor environments, limiting placement options.
- Weight: At 73 lbs, it may require assistance for setup and installation.
- Additional Components Required: Side shelves and blower sold separately, adding to overall cost.
Goodman 3 TON Dual Fuel Heat Pump Packaged Unit
Looking for an efficient heating solution? The Goodman 3 TON Dual Fuel Heat Pump Packaged Unit (Model GPDM33608041) is a fantastic choice. With an 80,000 BTU natural gas furnace and a 13.4 SEER2 rating, it’s designed for peak performance. You’ll appreciate its 81% efficiency and dual fuel capability, ensuring comfort year-round. Plus, it comes with a 10-year parts limited warranty when installed by a qualified professional and registered online within 60 days. Don’t forget, accessories like linesets and thermostats are sold separately. Just be aware of potential regulatory considerations if you’re in certain California climate districts.
Best For: Homeowners seeking an efficient and versatile heating solution for year-round comfort.
Pros:
- Dual fuel capability allows for energy savings by using both electricity and natural gas.
- High efficiency rating of 81% ensures reduced energy costs.
- 10-year parts limited warranty provides peace of mind when installed by a qualified professional.
Cons:
- Accessories sold separately, which may add to the overall cost.
- Regulatory considerations in certain California districts may complicate installation.
- Installation requires a qualified professional, potentially increasing upfront expenses.
Goodman 2 TON Multi-Position Dual Fuel Heat Pump Packaged Unit
Offering versatility and efficiency, the Goodman 2 Ton Multi-Position Dual Fuel Heat Pump Packaged Unit is perfect for homeowners seeking a reliable heating and cooling solution. With a 60,000 BTU natural gas furnace and a 13.4 SEER rating, it guarantees peak performance year-round. You’ll appreciate its 81% efficiency, making it an economical choice for your home. Plus, you get peace of mind with a 10-year parts limited warranty, provided it’s installed by a qualified installer and registered online. Just remember, accessories like linesets and thermostats are sold separately, so plan accordingly to maximize your system’s benefits.
Best For: Homeowners looking for an efficient and versatile heating and cooling solution with dual fuel capabilities.
Pros:
- High efficiency: With an 81% efficiency rating, it helps reduce energy costs.
- Versatile installation: Multi-position design allows for flexible installation options.
- Long warranty: Comes with a 10-year parts limited warranty for added peace of mind.
Cons:
- Additional costs: Accessories such as linesets and thermostats need to be purchased separately.
- Environmental fees: May incur additional environmental mitigation fees in certain California districts.
- Installation requirement: Warranty is only valid if installed by a qualified professional and registered online.
Goodman 80% AFUE Two Stage Natural Gas Furnace (60k BTU)
The Goodman 80% AFUE Two Stage Natural Gas Furnace (60k BTU) stands out as an ideal choice for homeowners seeking a reliable and efficient heating solution without breaking the bank. With an efficiency rating of 80% AFUE and a heating capacity of 60,000 BTU, it effectively warms your space while saving on energy bills. Its compact design, measuring just 17.5 inches wide, allows for flexible installation in upflow or horizontal configurations. Plus, you can enjoy peace of mind with a 10-year parts limited warranty if installed by a qualified professional. Just remember, it’s not available for California residents.
Best For: Homeowners seeking an affordable and efficient heating solution for their space.
Pros:
- 80% AFUE efficiency helps to lower energy bills while providing reliable heating.
- Compact design allows for flexible installation in various configurations.
- 10-year parts limited warranty offers peace of mind when installed by a qualified professional.
Cons:
- Not available for purchase by California residents due to federal guidelines.
- Requires professional installation to qualify for the warranty.
- Accessories sold separately may increase overall costs.
Goodman 60,000 BTU Multi-Speed Furnace (Model: GR9S800603AN)
For homeowners seeking an efficient heating solution, the Goodman 60,000 BTU Multi-Speed Furnace (Model: GR9S800603AN) stands out with its impressive 80% efficiency rating. This multi-speed, single-stage furnace offers upflow and horizontal installation options, making it versatile for various spaces. Its ECM motor guarantees superior airflow control, enhancing both efficiency and comfort while keeping noise levels low. Built with an aluminized steel primary heat exchanger, this durable model replaces older units effortlessly. Plus, you can find additional accessories for installation, like thermostats and LP conversion kits, to customize your heating experience further. Enjoy warmth and efficiency with Goodman.
Best For: Homeowners looking for an efficient and quiet heating solution for their upflow or horizontal installation needs.
Pros:
- 80% efficiency rating helps reduce heating costs.
- Multi-speed ECM motor provides superior airflow control and reduces noise.
- Durable construction with an aluminized steel heat exchanger ensures longevity.
Cons:
- Limited installation options as it cannot be used for downflow installations.
- Accessories sold separately, which may increase overall costs.
- Nationwide installation excludes CA, limiting availability for some customers.
Duluth Forge Dual Fuel Vent Free Gas Stove (Model FDSR25)
Looking for an efficient heating solution that combines versatility and style? The Duluth Forge Dual Fuel Vent Free Gas Stove (Model FDSR25) might be just what you need. With a powerful 26,000 BTU output, it efficiently heats spaces up to 1,200 sq. ft. Thanks to its patented Dual Fuel Technology, you can use either natural gas or liquid propane. Control your comfort effortlessly with the included thermostat remote, and enjoy peace of mind with its safety features, including a pilot oxygen depletion sensor. Plus, the realistic hand-painted logs add a touch of elegance to any room.
Best For: Individuals seeking an efficient and stylish heating solution for spaces up to 1,200 sq. ft.
Pros:
- 99.9% efficiency ensures minimal energy waste, providing cost-effective heating.
- Versatile fuel options allow for the use of either natural gas or liquid propane, catering to different preferences.
- Thermostat remote control offers convenient temperature management from anywhere in the room.
Cons:
- Requires batteries for the remote control and ignition, which may need frequent replacement.
- Vent-free design may not be suitable for all homes, especially those requiring strict ventilation.
- Some users may find the initial setup and installation process challenging without professional assistance.
Pleasant Hearth 30,000 BTU Gas Vent Free Stove (VFS2-PH30DT)
Experience unmatched versatility with the Pleasant Hearth 30,000 BTU Gas Vent Free Stove (VFS2-PH30DT), ideal for homeowners seeking efficient heating without the hassle of a flue or chimney. This sleek, black stove heats spaces up to 1,000 sq. ft., making it perfect for various areas in your home. With dual fuel technology, you can choose between natural gas or liquid propane, ensuring flexibility. The built-in thermostat and overheat sensor enhance safety and comfort, while its stylish design fits seamlessly into your decor. Weighing 78 pounds, it requires some assembly but delivers reliable warmth for years to come.
Best For: Homeowners looking for an efficient and flexible heating solution without the need for a flue or chimney.
Pros:
- High heating efficiency, covering spaces up to 1,000 sq. ft.
- Dual fuel technology allows for use with natural gas or liquid propane, providing flexibility.
- Built-in thermostat and overheat sensor enhance safety and comfort during use.
Cons:
- Requires assembly, which may be a drawback for some users.
- Potential exposure to harmful chemicals, such as benzene, as mentioned in safety information.
- Does not support millivolt remote control, limiting convenience for some users.
Goodman 5 Ton 14 SEER Duel Fuel Package Air Conditioner (Model: GPG1461120M41)
The Goodman 5 Ton 14 SEER Dual Fuel Package Air Conditioner (Model: GPG1461120M41) stands out as an ideal choice for homeowners seeking efficient year-round comfort. With a heating capacity of 120,000 BTU and cooling capacity of 57,500 BTU, it guarantees your home stays cozy in winter and cool in summer. Its 14 SEER efficiency and durable construction enhance performance while reducing energy costs. The multi-position installation and energy-efficient scroll compressor add versatility. Plus, you’ll appreciate the 10-year warranty coverage. Weighing 565 pounds and operating at 78 decibels, it delivers reliability while maintaining a quiet atmosphere in your home.
Best For: Homeowners seeking an efficient, year-round heating and cooling solution with reliable performance.
Pros:
- Energy-efficient with a 14 SEER rating, reducing overall energy costs.
- Versatile multi-position installation options (downflow and horizontal).
- Strong warranty coverage, including a 10-year unit replacement and lifetime compressor warranty.
Cons:
- Weighs 565 pounds, which may require extra effort for installation.
- Operating noise level of 78 decibels may be noticeable in quiet environments.
- Limited to a specific voltage requirement (208/230 V), which may not suit all homes.
Factors to Consider When Choosing Dual Fuel Furnace Systems
When you’re choosing a dual fuel furnace system, you need to think about a few key factors. Efficiency ratings, fuel type compatibility, and installation requirements can greatly impact your decision. Also, consider the warranty and support services, along with the heating capacity you need for your space.
Efficiency Ratings and Standards
Choosing a dual fuel furnace system involves careful consideration of efficiency ratings and standards. You’ll want to look at the AFUE (Annual Fuel Utilization Efficiency) rating, where higher percentages indicate better fuel-to-heat conversion. For instance, a 96% AFUE means 96% of the fuel is turned into usable heat. Additionally, consider the SEER (Seasonal Energy Efficiency Ratio) rating for heat pumps; higher values, like 13.4 SEER2, signal improved cooling efficiency. Dual fuel systems effectively combine electric heat pumps and gas furnaces, optimizing performance regardless of weather conditions, which can lead to lower energy costs. Also, features like multi-speed motors can enhance efficiency by adjusting airflow to meet heating demands, reducing energy consumption and noise.
Fuel Type Compatibility
Considering efficiency ratings is just the beginning; fuel type compatibility plays a significant role in selecting a dual fuel furnace system. These systems typically operate using natural gas and liquid propane, giving you the flexibility to choose the most cost-effective option based on current market prices. This adaptability allows you to switch fuels depending on availability or affordability throughout the year. Many dual fuel systems automatically select the most efficient fuel source based on outdoor temperature, optimizing both energy use and comfort. However, verify your installation site has the necessary infrastructure for both fuel types, including gas lines and safety equipment. Finally, comply with local regulations and safety standards for both natural gas and propane to guarantee safe operation.
Installation Requirements and Options
While evaluating dual fuel furnace systems, it is essential to understand the specific installation requirements and options available. These systems often need particular configurations, like upflow or horizontal setups, which can limit where you place them compared to traditional systems. Some models may not work with downflow installations, so you’ll need to assess your current HVAC layout carefully before making a purchase. Don’t forget to take into account installation dimensions, such as cabinet width and overall size, to guarantee a proper fit. Additionally, you might require extra accessories like line sets and conversion kits, which can affect your project’s cost. Finally, check local regulations and potential environmental fees to avoid unexpected challenges during installation.
Warranty and Support Services
After ensuring your dual fuel furnace system is properly installed, it’s time to evaluate the warranty and support services that come with your investment. Check the warranty terms—most offer a 10-year parts limited warranty if installed by a professional and registered within 60 days. Some manufacturers even provide lifetime warranties on components like compressors or heat exchangers, adding value to your purchase. Be sure to find out if labor costs for repairs are included, as many warranties only cover parts. Additionally, confirm that customer support is easily accessible for installation questions, warranty claims, and troubleshooting. Finally, understand any regional exclusions or requirements that may affect your warranty’s validity to avoid surprises later on.
Heating Capacity Considerations
Choosing the right heating capacity for your dual fuel furnace system is essential to guarantee it meets your home’s needs effectively. You’ll want to contemplate the BTU rating, confirming it aligns with your space’s heating demands. For instance, a furnace rated at 60,000 BTUs can heat areas up to about 1,200 sq. ft., depending on insulation and climate. A system that’s too small will struggle to keep you comfortable, while one that’s too large may waste energy and cause uneven heating. Remember, dual fuel systems combine a heat pump for moderate needs and a gas furnace for extreme cold. Also, evaluate SEER and AFUE ratings to confirm energy efficiency, particularly in colder regions where higher BTUs may be necessary.
Safety Features and Certifications
When selecting a dual fuel furnace system, it’s vital to prioritize safety features and certifications to guarantee your home remains secure and comfortable. Look for models with oxygen depletion sensors (ODS) that automatically shut down the heater if carbon monoxide or low oxygen levels are detected. Many systems also include battery-assisted ignition, ensuring they work even during power outages. Check for ANSI certification, which confirms compliance with national safety standards. While ventless systems may achieve efficiencies of up to 99.9%, they still require proper safety precautions to maintain good indoor air quality. Finally, regular maintenance and inspection of these safety features are critical for the continued safe operation of your dual fuel furnace system.
Maintenance and Operating Costs
Understanding the maintenance and operating costs of a dual fuel furnace system is essential for making an informed decision. These systems combine a heat pump with a gas furnace, allowing you to switch between electricity and gas based on efficiency and cost, which can greatly lower your operating expenses. Regular maintenance, like cleaning filters and checking refrigerant levels, helps prevent costly repairs and extends your unit’s lifespan. Keep in mind that operating costs depend on local energy prices; natural gas may be cheaper than electricity in your area. Additionally, the efficiency ratings, such as SEER and AFUE, impact your energy bills. Finally, consider potential repair costs, as dual fuel systems might require specialized service expertise.
