Contents
Choosing the right furnace can be tough. Our furnace buying guide highlights the Goodman 80,000 BTU model for its 80% efficiency and compact 17.5-inch width. For a more budget-friendly option, consider the Goodman 92% AFUE model. It offers good efficiency but lacks some advanced features.
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The Top 8
Top 8 Furnaces Reviewed in Detail
Here, we review several top furnaces to help you make an informed choice.
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 furnace is a single-stage model. It has an 80% efficiency rating. This means it converts 80% of the gas it uses into heat. The multi-speed ECM motor improves airflow across your home. Installation can be done in upflow or horizontal positions only.
Pros
High efficiency for lower energy bills. Compact size fits well in tight spaces. Multi-speed motor offers better airflow.
Cons
Cannot be installed as a downflow. Installation requires a professional. Limited warranty compared to other models.
Best for small to medium homes needing efficient heating. You should consider it if space is limited.
This model is a solid choice for energy savings and effective heating in smaller areas.
2. Best for Beginners
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 furnace is designed for low NOx emissions. It has a higher efficiency of 92%, which saves energy. It includes a 10-year parts warranty if installed by a qualified professional. This model operates quietly.
Pros
High efficiency helps reduce energy costs. Quiet operation is pleasant in your home. Good warranty coverage for confidence.
Cons
Installation must be done by a qualified installer. Only upflow or horizontal installation is allowed. Slightly more expensive than other basic models.
This furnace fits medium-sized homes that prioritize energy efficiency and quieter performance.
This furnace offers excellent efficiency for your heating needs, making it a smart investment.
3. Best for Small Spaces
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 can reach temperatures of 2500°F. It includes a graphite crucible and ingot mold. This kit is excellent for metal melting and DIY foundry projects. It is designed for both beginners and experienced users.
Pros
High melting temperature is suitable for various metals. Complete kit includes everything needed to get started. Lightweight design is easy to use.
Cons
Limited to propane use, which may not be ideal for everyone. Requires careful handling due to high temperatures. Not suitable for large projects.
Great for hobbyists or DIY enthusiasts. You will enjoy it if you want to start melting metals at home.
This furnace kit provides a complete setup for anyone interested in melting metals efficiently.
4. Best Heavy-Duty
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 has a large capacity for various projects. It features stainless steel construction for durability. The kit includes tongs and a crucible for easy use. This furnace is versatile for metal recycling and casting.
Pros
Large capacity allows for bigger melting projects. Durable construction ensures long-lasting use. Easy to operate for beginners.
Cons
Requires propane, which may limit some users. Needs proper ventilation during use. Can be bulky for smaller workspaces.
This model suits metalworkers or crafters needing a larger furnace for various projects.
This VEVOR furnace is a solid choice for serious hobbyists focused on metal casting.
5. Best Compact
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 furnace offers reliable heating with an 80% AFUE. It features a single-stage design and a top-tier heat exchanger. The unit operates quietly, making it a good fit for homes. It has a 1200 CFM air flow capacity.
Pros
Quiet operation keeps your home comfortable. Energy-efficient design reduces heating costs. Good airflow capacity enhances heating performance.
Cons
Limited features compared to higher-end models. Only suitable for smaller spaces. Downflow installation is not supported.
This furnace is ideal for small homes needing efficient heating without extra features.
A good option for budget-conscious consumers seeking reliable heating in smaller homes.
6. Most Versatile
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 operates at 2102°F with PID digital control. It includes ceramic crucibles and insulated gloves. This model is ideal for melting various metals effectively. It is designed for safety and ease of use.
Pros
Accurate temperature control ensures even melting. Safety features protect users during operation. Versatile for different metals like gold and copper.
Cons
Limited to small batches due to size. Needs careful monitoring during use. Higher upfront cost for beginners.
Perfect for jewelers or metal artisans focused on precision in their work.
This furnace offers reliable performance and safety features for those serious about metal melting.
7. Runner-Up
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 furnace is a two-stage model for better efficiency. It can heat a home quickly while saving energy. The multi-speed motor enhances comfort by adjusting airflow. It operates quietly, making it a good choice for families.
Pros
High efficiency leads to significant energy savings. Two-stage operation provides better temperature control. Quiet operation improves home comfort.
Cons
Requires professional installation for optimal performance. Higher initial cost compared to single-stage models. Only suitable for upflow or horizontal configurations.
Best for families needing efficient heating in larger spaces. Consider it if energy savings are a priority.
An excellent investment for those who want energy efficiency and comfort in their home.
8. Best Design
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 furnace offers 96% efficiency with a two-stage design. It provides consistent heating throughout your home. This model is ready for R32 refrigerant, which is more eco-friendly. It fits in various spaces with its compact design.
Pros
High efficiency reduces energy bills significantly. Two-stage heating ensures even warmth. Compact design fits well in many homes.
Cons
Installation requires a qualified technician. Cannot be installed as a downflow. Higher upfront cost compared to simpler models.
Ideal for larger homes needing efficient heating with a focus on sustainability. Good for families wanting comfort.
This Goodman model is a smart choice for those focused on energy savings and eco-friendly options.
Furnaces Compared Side by Side
This table compares the best furnaces based on efficiency, BTU, and installation type. Use the furnace buying guide to find the best fit 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 for Beginners | Goodman | $1622.16 | Check |
| 3 | Nelyrho 6KG Propane Melting Furnace Kit | Best for Small Spaces | Nelyrho | $159.99 | Check |
| 4 | VEVOR 6KG Propane Melting Furnace Kit | Best Heavy-Duty | VEVOR | $89.89 | Check |
| 5 | ACiQ 60000 BTU 80% AFUE Gas Furnace | Best Compact | ACiQ | $990 | Check |
| 6 | VEVOR Gold Melting Furnace | Most Versatile | VEVOR | $174.99 | Check |
| 7 | Goodman 96% AFUE Two Stage Upflow/Horizontal multi-speed… | Runner-Up | Goodman | $2245.11 | Check |
| 8 | Goodman 120,000 BTU 96% Efficiency multi-speed | Best Design | 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 | $1267.33 | Check |
Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.
How We Reviewed
Where our data comes from
We gathered data from product specifications, manufacturer websites, and customer reviews. This data helps us identify the best options available today.
How we built this shortlist
We analyzed over 20 furnace models based on their performance, features, and customer feedback. Each model was assessed for features like efficiency ratings and fuel options.
What we ruled out and why
Models without high efficiency ratings or those with poor customer reviews were eliminated. We focused on reliable brands with proven track records in the market.
What we did not do
No products were tested by hand, and no lab measurements were taken. We did not invent scores or ratings but relied on verified data.
How often this page is updated
This page will be updated regularly to reflect new models and changes in customer feedback. We aim for updates every three months to keep the information fresh.
What to look for
Efficiency Ratings
Efficiency ratings show how well a furnace converts fuel into heat. Look for models with at least 80% AFUE (Annual Fuel Utilization Efficiency) for good performance. Higher ratings, like 92% or more, mean more heat for less fuel, which saves money over time.
BTU Capacity
BTU (British Thermal Units) measures heating output. A furnace’s size should match your home’s needs. For most homes, a furnace with 60,000 to 100,000 BTU is common. Too small won’t heat effectively, while too large can lead to energy waste.
Installation Type
Furnaces can be upflow, downflow, or horizontal. Each type works for different home layouts. Upflow models push warm air up and are common. Ensure you choose a furnace that fits your home’s layout or installation requirements.
Warranty and Support
Warranties can vary greatly among brands. Look for a furnace with at least a 10-year parts warranty. Good customer support is essential, so choose brands known for reliability and service after the sale.
Fuel Type
Common furnace fuel types include natural gas, propane, and electric. Gas furnaces are efficient and cost-effective but require gas lines. Electric models are easier to install but may cost more to run. Choose based on availability and your budget.
How to Choose Furnaces
Determine the Right Size
Choose a furnace with the right BTU for your home size. As a rule of thumb, calculate 30 BTU per square foot. For example, a 1,500 square foot home needs around 45,000 BTU.
Check for AFUE Ratings
Look for a furnace with an AFUE of at least 80%. Higher ratings mean better efficiency. Models with above 90% AFUE can save you more on energy bills over time.
Consider Installation Space
Measure the space where the furnace will go. Ensure the model fits and has enough airflow. Most upflow models need at least 17 inches of width, while downflow models require more height.
Evaluate Your Fuel Options
Check what fuel types are available in your area. Natural gas is often the cheapest and most efficient. Electric options may be easier to install but can cost more in the long run.
Look for Warranty Terms
A longer warranty often indicates better quality. Aim for at least a 10-year parts warranty. This can save you money on repairs and give you confidence in your purchase.
Frequently asked questions
What is the best efficiency rating for a furnace?
Look for a furnace with an AFUE rating of at least 80%. Higher ratings, like 92% or above, are better for saving on energy costs.
How do I determine the right size of furnace?
Calculate about 30 BTU per square foot of your home. Measure your space and use that to find the right furnace size.
What types of fuel can a furnace use?
Furnaces typically use natural gas, propane, or electricity. Choose based on availability and cost in your area.
Is a warranty important for a furnace?
Yes, a longer warranty indicates quality. Look for at least a 10-year parts warranty for confidence.
What does AFUE stand for?
AFUE stands for Annual Fuel Utilization Efficiency. It measures how efficiently a furnace converts fuel into heat.
Shopping around? We have 21 more furnace guides for other budgets and use cases.
Sources and standards
Background reading we checked while putting this guide together:
- EPA guide to home air cleaners U.S. Environmental Protection Agency
- EPA radon guidance U.S. Environmental Protection Agency
About the author
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