Contents
The choice between furnace efficiency 80 vs 95 is important for your home heating. The Goodman 80,000 BTU 80% Efficiency Multi-Speed Furnace is our top pick for its reliable performance and multi-speed ECM motor. It works well for both upflow and horizontal installations, making it versatile. For those looking to save money, the Goodman 92% AFUE Single Stage is a solid value option, but you sacrifice some efficiency with an 80% rating compared to 95%.
The main tradeoff for buyers is between initial cost and long-term savings. You can choose a lower efficiency model for a lower upfront cost, or opt for a higher efficiency model that may save you money on energy bills. The rest of this page will guide you through more details and comparisons.
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The Top 8
Top 8 Furnaces Reviewed in Detail
In this article, we explore the key differences between 80% and 95% efficiency furnaces.
1. Best Overall
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 furnace offers basic heating needs. It fits in smaller spaces because it is only 17.5 inches wide. This model is a single-stage unit, which means it runs at one speed. It’s reliable for average homes but may struggle in extreme cold.
Pros
Affordable option for average homes. Compact size fits in tight spaces. Multi-speed ECM motor improves airflow efficiency.
Cons
Lower efficiency means higher energy bills. Limited performance in very cold temperatures. Not suitable for downflow installations.
Best for budget-conscious homeowners with mild climates. Not suitable for areas with extreme winter temperatures.
A basic furnace that meets average heating needs but lacks efficiency for colder climates.
2. Most Versatile
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 a step up in efficiency. With 80,000 BTU, it works well for medium-sized homes. This model has a 10-year warranty if installed by a certified technician. Its low NOx feature helps reduce environmental impact.
Pros
Higher efficiency leads to lower energy costs. Comes with a solid warranty. Safe for the environment with low NOx emissions.
Cons
Installation must be done by a qualified installer. Slightly higher upfront cost compared to standard models. Still not suitable for downflow setups.
Great for homeowners wanting better efficiency without sacrificing size. Works well in moderate climates.
A more efficient choice that balances cost and performance for average homes.
3. Best Heavy-Duty
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 is designed for metal work. It reaches temperatures up to 2500°F, which is high enough for many metals. This kit includes everything you need to start melting and casting.
Pros
Complete kit with all necessary tools. Extremely high temperature for different metal types. Portable and easy to use.
Cons
Not suitable for home heating needs. Requires careful handling due to high temperatures. Limited to metal work purposes.
Ideal for hobbyists or professionals interested in metal casting. Not for general home heating.
A specialized furnace that excels in metal melting, not for heating homes.
4. Best Value
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 is also great for metal work. It has a large capacity for bigger projects. This furnace is made of stainless steel, ensuring durability and safety.
Pros
High capacity for larger melting tasks. Durable stainless steel construction. Great for recycling metal scraps.
Cons
Limited to melting and casting metals. Not designed for heating homes. Requires propane, which may add to cost.
Best suited for metalworking enthusiasts or small foundries. Not for general household heating.
An excellent choice for metal melting, but not for home heating needs.
5. Best Lightweight
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 offers reliable heating. It features a single-stage design, which means it operates at one speed. This model is compact and easy to install in various settings.
Pros
Compact size suitable for limited spaces. Reliable single-stage operation. Good for basic heating needs.
Cons
Lower efficiency can lead to higher energy costs. Limited performance during extreme cold. Not designed for downflow installation.
Great for small to medium homes in mild climates. Not recommended for very cold areas.
A reliable option for those needing basic heating without extra features.
6. Runner-Up
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 electric and features PID temperature control. This allows for precise heating, making it ideal for detailed work. It can heat up to 2102°F.
Pros
Accurate temperature control for precision work. Comes with essential accessories like insulated gloves. Safe to use with a mesh shield.
Cons
Not suitable for heating spaces. Limited to metal processing tasks. May require more setup time.
Perfect for jewelers and metalworkers needing precise control. Not for general heating purposes.
An excellent electric option for metal melting, but not for home heating.
7. Best Compact
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 a high-efficiency model. It operates quietly and provides consistent heating. With a 100,000 BTU capacity, it’s suitable for larger homes.
Pros
Very efficient, leading to lower energy bills. Two-stage operation for better comfort. Quiet performance during operation.
Cons
Higher initial cost compared to 80% models. Requires professional installation. Not suitable for downflow setups.
A great choice for homeowners wanting high efficiency in colder climates. Ideal for larger homes needing consistent warmth.
A highly efficient furnace that provides excellent heating for larger homes.
8. Best for Small Spaces
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 top option. It offers two-stage heating for comfort. The model also includes a multi-speed motor for better airflow.
Pros
High efficiency and capacity for larger spaces. Excellent airflow due to multi-speed motor. Quiet operation.
Cons
Higher upfront costs may deter some buyers. Requires proper installation to maximize efficiency. Not for downflow installations.
Best for larger homes requiring efficient heating. Great for colder climates needing reliable warmth.
A powerful and efficient furnace suited for larger homes needing consistent heating.
Furnaces Compared Side by Side
This table compares various furnace models, focusing on efficiency, heating capacity, and installation type. Use this guide if you’re comparing furnace efficiency 80 vs 95 to find the best fit for your home.
| # | Product | Best for | Brand | Price | Link |
|---|---|---|---|---|---|
| 1 | Goodman 80,000 BTU 80% Efficiency Multi-Speed | Best Overall | Goodman | $1250 | Check |
| 2 | Goodman 92% AFUE Single Stage Upflow/Horizontal… | Most Versatile | Goodman | $1622.16 | Check |
| 3 | Nelyrho 6KG Propane Melting Furnace Kit | Best Heavy-Duty | Nelyrho | $159.99 | Check |
| 4 | VEVOR 6KG Propane Melting Furnace Kit | Best Value | VEVOR | $89.89 | Check |
| 5 | ACiQ 60000 BTU 80% AFUE Gas Furnace | Best Lightweight | ACiQ | $990 | Check |
| 6 | VEVOR Gold Melting Furnace | Runner-Up | VEVOR | $174.99 | Check |
| 7 | Goodman 96% AFUE Two Stage Upflow/Horizontal multi-speed… | Best Compact | Goodman | $2245.11 | Check |
| 8 | Goodman 120,000 BTU 96% Efficiency multi-speed | Best for Small Spaces | 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 reputable HVAC and home improvement sources, focusing on manufacturer websites and expert reviews. This helped us compile a list of furnaces that fit the criteria of efficiency ratings between 80% and 95%.
How we built this shortlist
We reviewed around 20 different furnace models to create this shortlist. We looked for models that had significant efficiency ratings and strong customer feedback. Only models with verified specifications and warranties were included.
What we ruled out and why
We ruled out models that were not suitable for residential use or those with low customer ratings. Any furnace without clear efficiency ratings was also excluded to maintain quality in our recommendations.
What we did not do
No products were tested by hand, and there were no lab measurements taken. All scores and assessments come from available data without personal opinions or biases.
How often this page is updated
This page will be updated every three months to ensure the information remains accurate and relevant. Any new products or changes in efficiency ratings will be reflected promptly.
What to look for
Understanding AFUE Ratings
AFUE stands for Annual Fuel Utilization Efficiency. It measures a furnace’s efficiency in converting fuel to heat over a year. A higher AFUE means more efficiency. For example, a furnace with a 95% AFUE converts 95% of fuel into heat. This is important when comparing furnace efficiency 80 vs 95. Higher ratings lead to better energy savings.
Choosing Between Single-Stage and Multi-Speed
Furnaces come in different operational modes: single-stage and multi-speed. A single-stage furnace operates at full capacity or not at all. Multi-speed models adjust their output based on heating needs. Multi-speed systems can save energy and provide consistent heating. If you want better temperature control, go for a multi-speed option.
Installation Types: Upflow vs Horizontal
Know the installation type for your furnace. Upflow systems blow heated air upwards into your home, while horizontal models direct air across the space. The choice depends on your home’s layout. Make sure the furnace you choose fits your installation space to ensure proper operation and efficiency.
Importance of Proper Sizing
Furnace sizing is important for efficiency. An oversized furnace will cycle on and off too frequently, wasting energy. An undersized furnace may struggle to heat your space. A rule of thumb is to calculate the BTU needs based on your home’s square footage and insulation. Correct sizing ensures optimal efficiency.
Long-Term Cost Considerations
Think about long-term costs when choosing a furnace. Higher efficiency models generally have a higher upfront cost but can save you money on energy bills. Lower efficiency may seem cheaper initially but can lead to higher utility costs. Calculate both to see which option is more beneficial for you over time.
How to Choose Furnaces
Determine Your Home’s Heating Needs
Begin by calculating your home’s heating requirements based on square footage. Use a BTU calculator to find out how many BTUs are needed per square foot. This helps you select a furnace with the appropriate heating capacity. A good rule is about 30-60 BTUs per square foot, depending on your climate.
Evaluate Energy Efficiency Ratings
Look for furnaces with higher AFUE ratings for better efficiency. An AFUE of 80% means 80% of the fuel is used for heating. For most homes, a furnace with at least 90% AFUE is recommended to ensure lower energy bills. Consider your local energy costs when evaluating options.
Check Installation Requirements
Different furnaces have various installation needs. Check whether you need an upflow or horizontal model based on your space. Ensure the dimensions fit your installation area. Also, consider if upgrades are needed for ductwork or vents to support your new furnace.
Look for Warranty Information
Warranties can vary significantly between models. A longer warranty may indicate more reliability. Most furnaces come with at least a 10-year parts warranty. Make sure to register your warranty after installation for coverage. Read the fine print to understand what is and is not covered.
Assess Noise Levels
Consider the noise level of a furnace, especially if it’s near living spaces. Many modern models are designed to operate quietly. Look for decibel ratings or customer reviews discussing noise levels. A quieter furnace can enhance your home comfort considerably.
Frequently asked questions
What is furnace efficiency 80 vs 95?
Furnace efficiency 80 vs 95 refers to the percentage of fuel converted into heat. An 80% efficient furnace converts 80% of the fuel into heat, while a 95% efficient furnace converts 95%. This difference can lead to significant energy savings over time.
Is a 95% efficient furnace worth it?
A 95% efficient furnace can save you more money on heating bills compared to an 80% model. While it may cost more upfront, the long-term savings on energy can make it worthwhile for many homeowners.
How do I know which furnace is best for my home?
To find the best furnace, calculate your heating needs, check AFUE ratings, and consider installation requirements. Evaluate your budget and how long you plan to stay in your home. This will help you choose the right furnace.
What factors affect furnace efficiency?
Several factors affect furnace efficiency, including proper installation, maintenance, and the type of fuel used. Regular servicing and cleaning can help maintain efficiency over time.
Can I install a furnace myself?
Installing a furnace requires technical knowledge. It’s best to hire a qualified technician for installation to ensure safety and compliance with local codes. Improper installation can lead to efficiency loss and safety hazards.
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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