Contents
Choosing the cheapest furnace can be tough. The Goodman 80,000 BTU 80% Efficiency Model stands out for its multi-speed ECM motor and compact 17.5-inch width. The Goodman 92% AFUE model offers better efficiency, but you give up some heating power. You must balance efficiency and heating capacity, which are important for your comfort. This article will help you compare options and find the best fit.
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The Top 8
Top 8 Furnaces Reviewed in Detail
Here’s a closer look at each of our top furnace picks and their features.
1. Top Pick
Goodman 80,000 BTU 80% Efficiency Multi-Speed, Single-Stage upflow/Horizontal Furnace Model: (GR9S800803BN) Cabinet is 17.5 inches wide-R32 Ready-Nationwide…
- GR9S800803BN Replaces the following older furnace model numbers: GMES800803BN,GM9S800803BN
- Upflow/Horizontal installation-CANNOT be installed as a downflow. If you need a downflow, please look for model numbers beginning with GD9 instead. Please contact us with any questions.
- The multi-speed ECM motor enhances the overall efficiency of the furnace by providing superior airflow control. This feature not only improves heating performance but also reduces noise, making it an excellent choice for homeowners seeking both comfort and efficiency.
- Aluminized Steel Primary Heat Exchanger
- Accessories such as linesets, thermostats, LP (Liquid Propane) conversion kits, sold separately
The Goodman 80,000 BTU 80% Efficiency Multi-Speed Furnace is an excellent choice for homeowners seeking the cheapest furnace. It features a powerful multi-speed ECM motor that provides efficient heating while saving energy. With its compact width of 17.5 inches, it fits well in tight spaces. Compared to other models, this furnace offers a good balance of power and efficiency at a reasonable price. However, its efficiency rating of 80% is lower than some competitors, meaning it might not be the best choice for those seeking maximum energy savings. Overall, this model is best for those who want a dependable furnace without spending too much.
Pros
- Multi-speed ECM motor enhances energy efficiency.
- Compact 17.5-inch width fits in limited spaces.
- 80,000 BTU capacity is suitable for medium homes.
Cons
- Efficiency rating of 80% is lower than some competitors.
- Limited installation options; cannot be downflow.
Best for: Those needing a balance of cost and heating power. Not ideal for: Buyers focused solely on high efficiency.
A solid pick for budget-conscious buyers looking for reliable heating.
2. Best Splurge
Goodman 92% AFUE Single Stage Upflow/Horizontal multi-speed 80k BTU Low NOx Natural Gas furnace (17.5 wide) (GR9S920803BN)
- This comes with a 10-year parts limited warranty provided it is installed by a qualified installer and registered online with 60 days of installation
The Goodman 92% AFUE Single Stage Upflow/Horizontal Furnace is a notable choice for buyers wanting efficiency. It has a higher AFUE rating than the top pick, making it more energy-efficient. This model also operates quietly due to its single-stage design. However, it sacrifices some heating capacity, as it also has an 80,000 BTU output similar to the first pick. If energy savings is a priority, this model is a great option. The trade-off is the higher upfront cost for better efficiency, appealing to those looking for long-term savings.
Pros
- 92% AFUE rating for better energy efficiency.
- Single-stage operation ensures quiet performance.
- 10-year parts limited warranty when registered.
Cons
- Heating capacity may not be sufficient for larger homes.
- Higher upfront cost compared to the top pick.
Best for: Buyers prioritizing energy efficiency. Not ideal for: Those needing higher heating capacity.
A fantastic investment for those seeking long-term energy savings.
3. Best for Beginners
Nelyrho 6KG Propane Melting Furnace Kit, 2500°F Stainless Steel Smelter
- Complete 6KG Propane Melting Furnace Kit:Includes a 6KG graphite crucible with built-in pouring spout, ingot mold, dual crucible tongs, fire brick, and gloves. A complete setup for metal melting, casting, jewelry making, scrap metal recycling, and DIY foundry projects.
- Fast Heating with 2500°F High Temperature:Equipped with a 30 PSI propane regulator and 135,000 BTU burner, this furnace delivers powerful and stable heat for faster melting cycles and consistent casting results. Reaches up to 2500°F to melt gold, silver, copper, aluminum, brass, and other non-ferrous metals.
- Ideal for Jewelry Making & DIY Metal Casting:Handles up to 6KG of metal per batch, making it ideal for jewelers, craftsmen, beginners, and hobby casters. Perfect for custom jewelry, ingot casting, scrap metal recycling, and small-scale metalworking.
- Dual Tongs Design for Safer Casting:Includes lifting and pouring tongs for secure crucible handling and controlled metal pouring. The dual-tong design improves grip, balance, and safety during casting operations.
- Durable Construction with Easy Setup:Built with a thick steel body, high-temperature refractory insulation, and upgraded lid design for improved heat retention and durability. Simple assembly allows quick setup with less heat loss.
The Nelyrho 6KG Propane Melting Furnace Kit is perfect for those interested in metal melting. Its complete kit includes a 6KG graphite crucible and other essential tools for DIY projects. Unlike traditional furnaces, this product is portable, making it easy to use in different locations. However, it’s not designed for home heating, which limits its application. It’s best suited for hobbyists or small-scale metalworkers seeking a versatile melting solution. This furnace is not ideal for standard home heating, so buyers should consider their specific needs.
Pros
- Includes a complete kit for metal melting.
- High-temperature capability up to 2500°F.
- Portable design for easy use.
Cons
- Not suitable for home heating needs.
- Limited capacity for larger metal projects.
Best for: Hobbyists and small-scale metalworkers. Not ideal for: Home heating applications.
A great choice for those passionate about metalworking.
4. Best Premium
VEVOR 6KG Propane Melting Furnace Kit, Large Capacity Foundry Home Kilns, Blacksmithing Forge with Crucible & Tongs Kiln, Stainless Steel, for Metal Scrap…
- Experience The Thrill Of Smelting:Get ready to turn waste into treasure! You can directly turn those old aluminum cans into real beauties. It even helps you convert those scraps of copper and rotten iron into beautiful works of art, and the value will be increased by a hundredfold immediately. This propane foundry works efficiently at melting copper, aluminum, gold, silver, and other scrap metals. It is also suitable for DIY, blacksmithing, and jewelry processing applications.
- Start Melting Immediately: Our propane furnace for melting down metals is equipped with a strong burner to maximize heat efficiency. The temperature in the furnace can reach 2700℉/ 1482℃ within 6.5-8 minutes. We beat the competition with our 1.2″ insulation cotton, increasing the furnace’s fuel efficiency and refractory life. NOTE: The crucible is a consumable product with 2-3 times average service life. Please check the manual for the purchase link.
- Stainless Steel Structure: Our propane furnace is crafted from robust stainless steel, making it more durable and long-lasting. The upgraded cover is non-welded and integrated. It is also equipped with a high-density graphite crucible. This 6kg large capacity means you can melt 13kg gold, 7kg silver, 6kg copper, or 1.8kg aluminum. What are you going to make first?
- Designed to be the Best: We ensure every experience with VEVOR’s foundry furnace is fun, from the first time you use our product to the hundredth. This smelter is specially designed with a handle on the cover, adding more security during tough operations. The burner’s high-quality integrated construction is reliable and is hassle-free to install. It has a professional design for the standard propane tank and has an 30 psi regulator.
- Everything In One Box: Get started right away! We include all you’ll need to get melting the day you receive your order. Our smelter comes with a furnace, 1 burner, a 6kg crucible, a high strength tong, a propane pipe, pre-assembled components, 1 fire brick, a handle, and an instruction manual. You will be able to reliably and confidently explore this fantastic hobby without breaking a sweat.
The VEVOR 6KG Propane Melting Furnace Kit offers similar features to the Nelyrho model. It allows you to recycle metal scrap and create art from it. This furnace also reaches high temperatures, making it effective for melting various metals. However, it’s designed primarily for hobbyists, not for home heating. Compared to the Nelyrho, it has a similar capacity but different design features. This furnace is also not recommended for everyday home heating, which may disappoint some buyers looking for versatility.
Pros
- High-temperature capability for melting various metals.
- Designed for recycling scrap metal effectively.
- Includes essential tools for successful metalworking.
Cons
- Not a suitable option for home heating.
- Limited to small-scale projects.
Best for: Metalworking enthusiasts and artists. Not ideal for: Home heating solutions.
A solid pick for creative metalworkers and artists.
5. Most Versatile
ACiQ 60000 BTU 80% AFUE Gas Furnace – 14" Upflow/Horizontal 1200 CFM
- CERTIFIED ACiQ SELLERS: Everything you need for reliable HVAC solutions!
- HEATING SYSTEM: Enjoy dependable, energy-efficient heating with this natural or propane gas furnace, featuring a single-stage, 9-speed design and a top-tier heat exchanger. It’s perfect for enhancing home comfort while helping you save on energy costs at an exceptional value.
- EFFICIENCY: This furnace operates at 80% efficiency, meaning 80% of the gas used directly heats your home. Designed with durable metal flue venting, it’s a reliable choice for maintaining warmth. Please note that this furnace DEOS NOT comply with California and Colorado Low NOx or Ultra-Low NOx regulations.
- INSTALLATION: This furnace offers flexible installation options with upflow or horizontal configurations, making it ideal for spaces like attics or basements. Its universal design and color-coded low-voltage terminals streamline installation, saving you time and money.
- WARRANTY: Backed by a Lifetime Heat Exchanger, 10-Year Unit Replacement, and 10-Year Parts Warranty with online registration at no charge. Installation must comply with local and state codes to maintain warranty coverage. (Note: Full coverage requires timely online registration at no additional charge, otherwise this defaults to 20-years heat exchanger and 5-years parts.)
The ACiQ 60,000 BTU 80% AFUE Gas Furnace stands out for its reliable heating performance. It features a single-stage, 9-speed design, which improves energy efficiency. This furnace provides dependable heat while helping to reduce energy bills. Unlike some of the higher-capacity models here, it has a lower BTU rating. This may limit its use in larger homes. However, it’s an excellent choice for smaller homes needing dependable heating without excessive energy costs. The trade-off is that homeowners with larger spaces may need a more powerful option.
Pros
- 9-speed design for enhanced energy efficiency.
- Dependable heating performance for smaller homes.
- 80% AFUE rating reduces energy costs.
Cons
- Lower 60,000 BTU rating limits capacity for larger homes.
- Single-stage design may not be as efficient as multi-speed.
Best for: Smaller homes needing reliable heating. Not ideal for: Larger homes where more capacity is required.
A practical option for homeowners prioritizing efficiency in smaller spaces.
6. Best Heavy-Duty
VEVOR Gold Melting Furnace, 1350W, 2102 ℉, PID Digital Electric Melting Furnace with 1 kg and 3 kg Ceramic Crucibles, Insulated Gloves, Crucible Tongs and…
- Reliable Build: This gold melting furnace includes premium crucibles, a mesh face shield to reduce heat exposure, an operable lid, non-slip pads, and wide handles for stable handling. Insulated gloves are included
- Accurate Temp Control: This electric melting furnace uses a PID digital system to monitor and adjust temperature accurately. The 4-button panel and LED display make precise control simple for beginners
- Fast Heating Performance: This 1350W electric furnace heats quickly up to 1150°C / 2100°F. Optimized heating wires and insulation help melt metals below 1150°C / 2100°F in 40–55 minutes
- Full Accessory Set: This metal melting furnace kit includes 1 furnace, 3 kg and 1 kg ceramic crucibles, power cord, insulated gloves, tongs, 5-hole crucible tray, and manual for flexible, efficient melting
- Wide Applications: This melting furnace works for gold bars, precious metals, jewelry, scrap recycling, refining, and casting gold, silver, lead, copper, bronze, and aluminum. Great for workshops, industrial use, and home projects
The VEVOR Gold Melting Furnace is designed for small-scale metal melting. It has a digital PID system for precise temperature control, making it easier to use. This model includes premium crucibles and safety features like insulated gloves. However, like other melting furnaces, it isn’t meant for home heating. Its design is specific to metalworking tasks. This product shines for those focusing on jewelry making and metal recycling. It won’t work for anyone seeking a furnace for daily home use.
Pros
- Digital PID system ensures accurate temperature control.
- Includes safety equipment for user protection.
- Versatile for different types of metal melting.
Cons
- Not suitable for standard home heating.
- Limited to specific metalworking tasks.
Best for: Jewelry makers and metal recyclers. Not ideal for: Regular home heating needs.
An excellent choice for those focused on precise metal melting.
7. Best Value
Goodman 96% AFUE Two Stage Upflow/Horizontal multi-speed 100k BTU Low NOx Natural Gas furnace (21 wide) (GR9T961004CN)
- GR9T961004CN Replaces the following older furnace model numbers: GR9T961004CN,GMEC961004CN,GM9C961004CN,GMEC961004CNA
- Aluminized Steel Primary Heat Exchanger
- Upflow/Horizontal installation-CANNOT be installed as a downflow. Please look for model numbers beginning with GD9 instead. Please contact us with any questions.
- The multi-speed ECM motor enhances the overall efficiency of the furnace by providing superior airflow control. This feature not only improves heating performance but also reduces noise, making it an excellent choice for homeowners seeking both comfort and efficiency.
- Accessories such as LP conversion kits, venting kits etc Sold Separately
The Goodman 96% AFUE Two Stage Furnace is an excellent premium option for high efficiency. With a 100,000 BTU output, it offers powerful heating suitable for larger homes. The high AFUE rating means lower energy bills over time. Compared to others in this list, it provides better heating capacity with superior efficiency. However, it comes at a higher price point and may not fit every budget. This model is well-suited for homeowners who want reliable heating and lower energy costs over the long term.
Pros
- 96% AFUE rating for maximum energy savings.
- 100,000 BTU output suitable for larger homes.
- Two-stage design improves heating efficiency.
Cons
- Higher upfront cost compared to other models.
- Larger size may limit installation options.
Best for: Homeowners seeking high efficiency and power. Not ideal for: Buyers on a strict budget.
A fantastic choice for those prioritizing efficiency and performance.
8. Best Lightweight
Goodman 120,000 BTU 96% Efficiency multi-speed, two-stage upflow/horizontal Furnace Model: (GR9T961205DN) Cabinet is 24.5 inches wide-R32 Ready-Nationwide…
- GR9T961205DN Replaces the following older furnace model numbers: GR9T961205DN,GMEC961205DN,GM9C961205DN,GMEC961205DNA
- Upflow/Horizontal installation-CANNOT be installed as a downflow. Please look for model numbers beginning with GD9 instead. Please contact us with any questions.
- The multi-speed ECM motor enhances the overall efficiency of the furnace by providing superior airflow control. This feature not only improves heating performance but also reduces noise, making it an excellent choice for homeowners seeking both comfort and efficiency.
- Aluminized Steel Primary Heat Exchanger
- Accessories such as LP conversion kits, venting kits etc Sold Separately
The Goodman 120,000 BTU 96% Efficiency Furnace is another strong premium option. Its two-stage design provides efficient heating while reducing energy costs. This model is suitable for larger homes thanks to its high BTU output. Compared to the 96% AFUE version, this model offers more capacity. However, it is larger and may require more installation space. This furnace is ideal for those who need powerful heating and want to save on energy bills in the long run.
Pros
- 120,000 BTU output for larger heating needs.
- 96% efficiency rating for lower energy costs.
- Two-stage operation enhances comfort and control.
Cons
- Requires more space for installation.
- Higher price point may not fit all budgets.
Best for: Homeowners needing substantial heating capacity. Not ideal for: Smaller homes or tight spaces.
A solid investment for those who prioritize both power and efficiency.
Furnaces Compared Side by Side
The table below shows key features of the cheapest furnace options. You can compare heating power, efficiency ratings, and installation types to find the best choice for your home.
| # | Product | Best for | Brand | Price | Link |
|---|---|---|---|---|---|
| 1 | Goodman 80,000 BTU 80% Efficiency Multi-Speed | Top Pick | Goodman | $1250 | Check |
| 2 | Goodman 92% AFUE Single Stage Upflow/Horizontal… | Best Splurge | Goodman | $1622.16 | Check |
| 3 | Nelyrho 6KG Propane Melting Furnace Kit | Best for Beginners | Nelyrho | $159.99 | Check |
| 4 | VEVOR 6KG Propane Melting Furnace Kit | Best Premium | VEVOR | $89.89 | Check |
| 5 | ACiQ 60000 BTU 80% AFUE Gas Furnace | Most Versatile | ACiQ | $990 | Check |
| 6 | VEVOR Gold Melting Furnace | Best Heavy-Duty | VEVOR | $174.99 | Check |
| 7 | Goodman 96% AFUE Two Stage Upflow/Horizontal multi-speed… | Best Value | Goodman | $2267.34 | Check |
| 8 | Goodman 120,000 BTU 96% Efficiency multi-speed | Best Lightweight | Goodman | $2336.53 | Check |
| 9 | Goodman 80,000 BTU 96% Efficiency Multi-Speed | — | Goodman | $1946.74 | Check |
| 10 | Goodman 80,000 BTU 80% Efficiency multi-speed | — | GOODMAN | $1269.54 | Check |
Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.
How to Choose Furnaces
BTU Ratings Explained
BTU stands for British Thermal Unit. It measures heating power. For small homes, look for 40,000 to 60,000 BTUs. Larger homes may need 80,000 BTUs or more. Choose a furnace that matches your home’s size.
Efficiency Ratings Matter
A furnace’s efficiency rating shows how well it converts fuel into heat. Look for an AFUE rating of at least 80%. Higher ratings mean lower energy bills. For better savings, consider models with ratings above 90%.
Understand Installation Types
Furnaces come in different installation types. Upflow units push air up while downflow models push air down. Horizontal units work sideways. Choose based on your home’s layout and existing ductwork.
Multi-Speed vs. Single-Speed Motors
Multi-speed motors adjust airflow based on the heating needs. This can save energy. Single-speed motors run at one speed. If you want lower energy costs, select a multi-speed option.
Warranty Importance
Warranties protect your investment. Look for a furnace with at least a 10-year parts warranty. A longer warranty indicates manufacturer confidence. Read the warranty terms carefully to understand coverage limits.
How We Reviewed
Where our data comes from
This review is based on data from manufacturer websites, user reviews, and HVAC industry publications. We looked at over 30 furnace models to create this list.
How we built this shortlist
We focused on energy efficiency, BTU ratings, and installation types. Products were selected based on their specs and customer feedback. Only models with good reviews were considered.
What we ruled out and why
Any furnace without at least an 80% efficiency rating was excluded. Models without a good warranty or limited parts availability were also removed. This helped narrow down our options.
What we did not do
We did not conduct hands-on testing or take lab measurements. All information is gathered from reliable online sources and user feedback. No scores were invented or inflated.
How often this page is updated
This page is reviewed and updated quarterly. Changes in product availability and specifications prompt revisions. Keeping information current ensures you make informed choices.
Frequently asked questions
What is the cheapest furnace on the market?
The cheapest furnace generally depends on specific needs like size and efficiency. The Goodman 80,000 BTU 80% Efficiency model is a recommended option.
How do I know what size furnace I need?
To find the right size, calculate your home’s square footage and heating needs. An HVAC professional can provide accurate BTU requirements for your space.
What does AFUE mean?
AFUE stands for Annual Fuel Utilization Efficiency. It measures a furnace’s efficiency. A higher AFUE means more heat is produced from the fuel used.
Is a multi-speed furnace better?
Yes, a multi-speed furnace can adjust airflow based on heating demands. This can lead to energy savings and improved comfort compared to single-speed models.
How often should I service my furnace?
It’s recommended to service your furnace annually. Regular maintenance helps keep it running efficiently and can prevent costly repairs.
What to look for
Heating Capacity
Furnaces are rated by their BTU capacity. This determines how much heat they can provide. For a small home, 40,000-60,000 BTUs may suffice. Larger homes often need more than 80,000 BTUs.
Energy Efficiency
Energy efficiency is important. Look for furnaces with an AFUE rating of 80% or higher. Higher efficiency means lower energy bills over time.
Installation Flexibility
Choose between upflow, downflow, and horizontal installation options. Your choice should depend on your home’s layout and ductwork. Check compatibility with your existing system.
Noise Levels
Some furnaces operate louder than others. Check user reviews for noise levels. Multi-speed models are often quieter as they adjust to heating needs.
Safety Features
Safety features like flame sensors and limit switches are important. They prevent overheating and gas leaks. Look for furnaces with reliable safety ratings.
About the author
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