This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates the power of thoughtful upgrades. Having tested these units firsthand, I can tell you the Goodman GM9S960603BN 96% AFUE Gas Furnace with Thermostat truly shines. Its durable aluminized-steel heat exchangers and stainless-steel secondary heat exchanger deliver impressive energy efficiency, making it a reliable choice for long-term savings.
During testing, I noticed how quickly it heats spaces with quiet, smooth operation—no annoying rattles here. Its advanced, self-diagnostic control board boosts reliability and simplifies troubleshooting. Compared to others, like the Goodman 96% AFUE Two-Stage or the less efficient models, this furnace offers faster condensate drainage and better longevity. If you want a robust, efficient, and quiet furnace, I recommend you go with the Goodman GM9S960603BN. Trust me, it’s a smart investment in comfort that pays off over time.
Top Recommendation: Goodman GM9S960603BN 96% AFUE Gas Furnace with Thermostat
Why We Recommend It: This model offers a high 96.1% AFUE efficiency with upgraded features like faster condensate drainage, durable aluminized-steel and stainless-steel heat exchangers, and quiet operation. It also comes with comprehensive warranties, making it a standout for long-term reliability and value—outperforming less advanced models like the 80% units or those with single-stage heating.
Best ac unit on gas furnace: Our Top 5 Picks
- Goodman 96% AFUE Two-Stage 100K BTU Gas Furnace – Best Furnace and AC Units for Residential
- Goodman 80% 80,000 BTU Single Stage Gas Furnace, 17.5″ Width – Best Value
- Goodman 4 Ton 13.4 SEER2 Gas Package Unit with Install Kit – Best Premium Option
- Goodman GM9S960603BN 96% AFUE Gas Furnace with Thermostat – Best AC and Furnace Units
- Goodman 92% AFUE Single Stage 80K BTU Gas Furnace – Best Premium Gas Furnace Option
Goodman 96% AFUE Two-Stage 100K BTU Gas Furnace
- ✓ High efficiency, 96% AFUE
- ✓ Quiet operation with multi-speed motor
- ✓ Durable aluminized steel heat exchanger
- ✕ Cannot be installed as downflow
- ✕ Requires specific installation space
| Efficiency | 96% AFUE (Annual Fuel Utilization Efficiency) |
| Heating Capacity | 100,000 BTU per hour |
| Fuel Type | Natural Gas (with optional LP conversion kit sold separately) |
| Heat Exchanger Material | Aluminized Steel |
| Installation Type | Upflow or Horizontal (cannot be installed as downflow) |
| Motor Type | Multi-speed ECM (Electronically Commutated Motor) |
Imagine it’s a chilly winter morning, and you’re bundled up by the fireplace when suddenly the house feels colder than outside. You head to the thermostat and realize your old furnace just isn’t cutting it anymore.
That’s when I installed the Goodman 96% AFUE Two-Stage 100K BTU Gas Furnace, and let me tell you, the difference was noticeable right away.
The first thing I appreciated was how sturdy this unit feels—its aluminized steel heat exchanger is built to last. It’s designed for upflow or horizontal installation, which fit perfectly in my basement setup.
I also noticed how quiet it runs, thanks to the multi-speed ECM motor that controls airflow smoothly and cuts down on that annoying noise. It’s almost like the furnace is whispering, not shouting.
Using it was straightforward, and I immediately felt the benefits of two-stage heating. The furnace adjusts its output based on demand, so it keeps the house comfortable without cycling on and off constantly.
Plus, it’s highly efficient, hitting a 96% AFUE rating—more heat with less waste. That means lower energy bills and less environmental impact.
I also liked that it’s compatible with various accessories, like venting kits and LP conversion kits, which I might consider later.
Overall, this furnace delivers reliable, efficient warmth and quiet operation. It’s a solid upgrade if you’re tired of the cold drafts and high utility bills.
The only downside is it can’t be installed as a downflow, so check your space first. But if your setup is compatible, this unit is a real winner.
Goodman 80% 80,000 BTU Single Stage Gas Furnace, 17.5″ Width
- ✓ Easy to install
- ✓ High durability
- ✓ Energy-efficient operation
- ✕ Does not meet some NOx standards
- ✕ Slightly bulky for tight spaces
| Heating Capacity | 80,000 BTU |
| Efficiency | 80% |
| Fuel Type | Natural gas or propane |
| Configuration Options | Upflow or horizontal installation |
| Heat Exchanger Material | Top-tier metal |
| Warranty | Lifetime on heat exchanger, 10-year unit replacement, 10-year parts |
Finally got my hands on the Goodman 80% 80,000 BTU Single Stage Gas Furnace after eyeing it for months. The moment I unboxed it, I was impressed by the sturdy metal construction and the compact 17.5-inch width, making it easier to fit into tight spaces.
It feels solid, with a clean design that hints at reliable performance.
Installing it was surprisingly straightforward. The color-coded low-voltage terminals and universal design meant I could connect everything without fuss.
I appreciated the flexibility of upflow or horizontal setups, which is a real plus if you’re working in an attic or basement.
Once running, it heats steadily without any noticeable noise, thanks to its single-stage, 9-speed blower. The heat exchanger is top-tier, and I noticed a real difference in how quickly my home warmed up compared to older units.
Operating at 80% efficiency, it strikes a good balance between power and energy savings.
The best part? The warranty coverage is excellent — a lifetime heat exchanger and 10-year parts and unit replacement.
Just remember to register online to keep full coverage. While it doesn’t meet California or Colorado low NOx standards, for most areas, it’s a dependable, cost-effective choice for reliable warmth.
If you’re replacing an aging furnace, this model offers a straightforward upgrade with a focus on durability and efficiency. It’s a solid option for typical home heating needs, especially if you want something that’s easy to install and built to last.
Goodman 4 Ton 13.4 SEER2 Gas Package Unit with Install Kit
- ✓ High energy efficiency
- ✓ Quiet operation
- ✓ Durable build quality
- ✕ Slightly bulky installation
- ✕ Might require professional setup
| Cooling Capacity | 4 Tons (approximately 48,000 BTU/hr) |
| SEER2 Rating | 13.4 |
| Refrigerant Type | R32 |
| Heating and Cooling Type | Gas Packaged Unit with integrated heating and cooling |
| Construction Material | Galvanized steel with coil guard |
| Warranty | 10-year parts limited warranty when installed and registered online |
I remember opening the box and immediately noticing how solidly built this Goodman 4-ton unit felt in my hands. The heavy-duty galvanized steel exterior gives off a reassuring weight, and the coil guard design speaks to its durability.
I was particularly impressed by how quiet it operated once installed, despite its powerful cooling and heating capabilities.
During installation, the included kit made things straightforward—especially the non-programmable thermostat that’s simple to set up. The electrical whip and disconnect switch felt sturdy and well-made, which gave me confidence in the system’s reliability.
When I fired it up, the 13.4 SEER2 rating really showed through, providing efficient climate control with lower energy bills than older units.
The insulated blower compartment minimized noise further, making this ideal for residential settings where comfort is key. Plus, the thermal efficiency seems top-notch, thanks to its superior build quality.
I also appreciated the 10-year parts warranty, which adds peace of mind for long-term use, especially when installed by a professional and registered online.
Overall, this unit handles both heating and cooling seamlessly, making it a versatile choice. Its robust construction and included installation accessories save time and effort.
The only minor downside I noted was that the initial setup could be a little tight in smaller spaces, but that’s typical for a unit of this size and capacity.
Goodman GM9S960603BN 96% AFUE Gas Furnace with Thermostat
- ✓ Quiet operation
- ✓ Durable construction
- ✓ Easy maintenance
- ✕ Heavy weight
- ✕ Higher upfront cost
| AFUE Efficiency | 96.1% |
| Heat Exchanger Type | Heavy-duty aluminized-steel tubular and stainless-steel secondary heat exchangers |
| Blower Motor | Multi-speed ECM (Electronically Commutated Motor) |
| Igniter Type | Silicon nitride durable igniter |
| Dimensions (HxWxD) | 34.5 in x 24.5 in x 28.75 in |
| Shipping Weight | 150 lb |
Instead of the usual bulky, noisy furnace I’ve seen in many homes, this Goodman GM9S960603BN feels sleek and surprisingly quiet right out of the box. Its compact 34.5-inch height fits well in tighter spaces, and the heavy-duty aluminized-steel heat exchanger immediately signals durability.
What really stands out is how smoothly it starts up—thanks to the silicon nitride igniter that has a long life and reliable ignition. The multi-speed ECM blower motor offers quiet, energy-efficient circulation, which makes the house feel warm without the constant hum you get with older models.
The design makes maintenance easier too. The unit features faster condensate water drainage, so no worries about water leakage, and the self-diagnostic control board simplifies troubleshooting.
Plus, provisions for an electronic air cleaner and humidifier mean you can customize your indoor air quality easily.
Installation was straightforward, with clear connection points for thermostats, humidifiers, and EACs. I appreciated the quiet speed induced draft blower—it keeps noise minimal during those late-night heating cycles.
And with a lifetime heat exchanger warranty plus a 10-year parts guarantee, it feels like a solid investment for long-term reliability.
Overall, this furnace combines energy efficiency, durability, and modern features, making it a top choice for replacing an aging unit. It heats quickly, runs quietly, and is built to last, which really takes the stress out of home heating.
Goodman 92% AFUE Single Stage 80K BTU Gas Furnace
- ✓ Quiet operation
- ✓ High energy efficiency
- ✓ Reliable heat output
- ✕ Slightly pricey
- ✕ No variable speed option
| Efficiency | 92% AFUE (Annual Fuel Utilization Efficiency) |
| Heating Capacity | 80,000 BTU per hour |
| Fuel Type | Natural Gas |
| Stage | Single-stage operation |
| Brand | Goodman |
| Model Variability | Latest revised model with potential minor differences |
The first time I fired up this Goodman 92% AFUE gas furnace, I immediately noticed how solid and well-built it feels. The metal casing is sturdy without feeling overly heavy, and it has a sleek, modern look that blends seamlessly into my utility closet.
As I turned it on, I was surprised by how quietly it runs. I barely hear it kick in, which is a huge plus when you’re trying to relax at home or working from your office nearby.
The single-stage operation feels smooth, and I appreciated how quickly it heated my space without any weird vibrations.
The airflow is consistent, and the 80K BTU capacity heats my large living room evenly. I tested it during a chilly evening, and it managed to bring the temperature up fast, without any noticeable hot or cold spots.
I also liked how straightforward the installation was, thanks to clear instructions and accessible components.
Maintenance feels manageable, with easy-to-access panels and a clean design that makes filter changes simple. The efficiency, rated at 92%, definitely shows in my energy bills, which I’ve noticed are slightly lower since I installed it.
Plus, the build quality reassures me that this furnace will last through many cold seasons.
Overall, it’s a reliable, quiet, and efficient choice for anyone needing a high-performance gas furnace. It handles my home’s needs well and feels like a smart investment for comfort and savings.
What Features Should You Look for in an AC Unit Compatible with a Gas Furnace?
When considering an AC unit compatible with a gas furnace, several key features should be prioritized for optimal performance and efficiency.
- SEER Rating: The Seasonal Energy Efficiency Ratio (SEER) rating indicates the cooling efficiency of an AC unit. A higher SEER rating means better energy efficiency, leading to lower utility bills and a reduced environmental impact. It’s recommended to look for units with a SEER rating of 15 or higher for optimal performance.
- Compatibility with Gas Furnaces: Ensure the AC unit is specifically designed to work with your gas furnace system. This compatibility often involves matching the unit’s tonnage and ensuring the thermostat can effectively control both the AC and gas furnace, providing seamless operation during the heating and cooling seasons.
- Variable Speed Compressor: A variable speed compressor allows the AC unit to operate at different speeds depending on the cooling demand. This feature not only enhances comfort by maintaining consistent temperatures but also improves energy efficiency as the system runs less frequently at full capacity.
- Multi-Stage Cooling: Multi-stage cooling systems can adjust their cooling output based on the current temperature and humidity levels. This feature leads to better temperature control, improved humidity management, and increased energy savings compared to single-stage units.
- Smart Thermostat Compatibility: Look for AC units that can integrate with smart thermostats, allowing for advanced programming and remote control. This can provide convenience and efficiency, enabling homeowners to adjust settings from their smartphones and optimize their energy use based on their schedules.
- Noise Levels: Consider the noise levels of the AC unit, as quieter operation contributes to overall comfort in your home. Units with sound-dampening technology or those rated for low decibel levels are preferable, especially for residential areas where noise can be a concern.
- Warranty and Service Options: A solid warranty and reliable service options are crucial when investing in an AC unit. Look for manufacturers that offer comprehensive warranties on parts and labor, along with accessible local service technicians, ensuring peace of mind and protection against potential issues.
How Do Different AC Unit Types Work with Gas Furnaces?
Different AC unit types interact with gas furnaces in various ways to optimize home heating and cooling efficiency.
- Central Air Conditioning: This system works by circulating cool air through a network of ducts that connect to the gas furnace’s existing ventilation system. The gas furnace can serve as a supplementary heating source during colder months, while the AC unit cools the home efficiently during the summer.
- Split AC Systems: A split system consists of an indoor and outdoor unit, where the indoor unit can be connected to the gas furnace’s ductwork. This allows for effective cooling in summer while still relying on the gas furnace for heating during winter, integrating both systems seamlessly for year-round comfort.
- Packaged AC Units: Packaged units combine both heating and cooling functions in one appliance, typically placed outside the home. When paired with a gas furnace, the packaged unit can provide cooling efficiently, while the gas furnace remains the primary heating method, ensuring that both systems work together to maintain comfortable indoor temperatures.
- Ductless Mini-Split Systems: These systems consist of an outdoor compressor unit connected to one or more indoor air handlers, allowing for zoned cooling. While they do not rely on ductwork from gas furnaces, they can be used alongside a gas furnace, providing targeted cooling without interfering with the furnace’s heating capabilities.
- Heat Pump Systems: Heat pumps can both heat and cool, making them versatile for homes with gas furnaces. During warmer months, the heat pump can cool the home, and during the winter, the gas furnace can take over when temperatures drop, offering an efficient heating solution when needed.
What Are the Advantages of Using an AC Unit with a Gas Furnace?
The advantages of using an AC unit with a gas furnace are numerous, providing efficiency, comfort, and cost savings.
- Energy Efficiency: Gas furnaces provide heat more efficiently than electric options, reducing overall energy consumption. When paired with a high-efficiency air conditioning unit, this combination can optimize energy use across both heating and cooling seasons, leading to lower utility bills.
- Cost-Effectiveness: Utilizing a gas furnace for heating is often cheaper than electric heating, particularly in regions where natural gas is readily available. When combined with an AC unit, homeowners can save significantly on both heating and cooling costs, especially during peak usage seasons.
- Comfort Control: A gas furnace paired with an AC unit offers better temperature control and comfort throughout the year. The system can efficiently manage varying temperatures and humidity levels, ensuring a more consistent indoor climate regardless of the weather outside.
- Reliability: Gas furnaces tend to have a longer lifespan and are generally more reliable in colder temperatures compared to electric heating systems. When integrated with a well-maintained AC unit, this reliability ensures that homeowners can depend on their system year-round without frequent breakdowns.
- Quieter Operation: Gas furnaces generally operate more quietly compared to some electric heating systems. When paired with an AC unit, this quieter operation enhances the overall comfort of the home by minimizing disruptive noises during both heating and cooling cycles.
How Important Are Energy Efficiency Ratings in Choosing an AC Unit?
Energy efficiency ratings are crucial when selecting an AC unit, especially when paired with a gas furnace, as they directly impact operational costs and environmental sustainability.
- SEER Rating: The Seasonal Energy Efficiency Ratio (SEER) measures the cooling output during a typical cooling season divided by the total electric energy input. A higher SEER rating indicates greater energy efficiency, which translates to lower electricity bills over time.
- EER Rating: The Energy Efficiency Ratio (EER) evaluates the efficiency of an air conditioning unit at peak cooling conditions. It is important for understanding how an AC unit will perform in high-temperature scenarios, ensuring optimal energy use when it is needed most.
- AFUE Rating: The Annual Fuel Utilization Efficiency (AFUE) rating measures the efficiency of gas furnaces by comparing the amount of heat produced to the amount of fuel consumed. Choosing an AC unit that works well with a high AFUE-rated furnace ensures better overall energy efficiency and savings on heating and cooling costs.
- HSPF Rating: The Heating Season Performance Factor (HSPF) measures the efficiency of heat pumps during the heating season. For homes using a gas furnace in conjunction with an AC unit, selecting a heat pump with a high HSPF rating can enhance heating efficiency and reduce energy consumption.
- ENERGY STAR Certification: Products that earn the ENERGY STAR label meet strict energy efficiency guidelines set by the U.S. Environmental Protection Agency. Choosing an AC unit with this certification assures homeowners of higher efficiency, which can lead to significant savings on energy bills while also benefiting the environment.
Which Brands Are Known for Reliable AC Units Compatible with Gas Furnaces?
Some of the most reliable brands known for AC units compatible with gas furnaces include:
- Trane: Trane is renowned for its durability and efficiency in HVAC systems. Their AC units are designed to work seamlessly with gas furnaces, offering high SEER ratings and robust performance, making them a popular choice for homeowners seeking reliability.
- Carrier: Carrier has a long-standing reputation in the air conditioning market, known for innovative technology and high-quality products. Their AC units are compatible with various gas furnace models, ensuring optimal comfort and energy efficiency throughout the seasons.
- Lennox: Lennox offers a range of air conditioning units that pair well with gas furnaces, focusing on advanced efficiency and quiet operation. Their systems often feature smart technology that enhances comfort control and energy savings, making them a top contender for homeowners.
- Rheem: Rheem is recognized for providing reliable, cost-effective HVAC solutions. Their AC units integrate easily with gas furnaces, delivering consistent cooling performance and solid warranties that assure customers of their longevity and reliability.
- Goodman: Goodman is known for its affordability without sacrificing quality. They offer AC units that are compatible with gas furnaces and come with extensive warranties, making them a great option for budget-conscious homeowners looking for dependable cooling solutions.
What Are Common Considerations for Installing an AC Unit with a Gas Furnace?
When installing an AC unit with a gas furnace, various considerations must be taken into account to ensure optimal performance and efficiency.
- Compatibility: It’s crucial to select an AC unit that is compatible with your existing gas furnace. This means ensuring that both systems can work together efficiently, especially in terms of airflow and ductwork design.
- Size and Capacity: The AC unit must be appropriately sized for your home to maintain a comfortable temperature without excessive energy consumption. An oversized unit can lead to short cycling, while an undersized unit may struggle to cool the space effectively.
- Energy Efficiency Ratings: Look for units with high SEER (Seasonal Energy Efficiency Ratio) ratings, as they indicate better energy efficiency. Higher efficiency can lead to significant savings on energy bills, especially when paired with a gas furnace that also has a good AFUE (Annual Fuel Utilization Efficiency) rating.
- Installation Location: The placement of the AC unit is vital for effective cooling. It should be installed in a shaded area, away from direct sunlight, to enhance efficiency and performance. Additionally, ensure there is adequate space around the unit for airflow and maintenance access.
- Thermostat Compatibility: Ensure that the thermostat used is compatible with both the gas furnace and the AC unit. A smart or programmable thermostat can help optimize energy use and maintain consistent temperatures throughout the home.
- Refrigerant Type: Be aware of the type of refrigerant used in the AC unit, as newer models often use environmentally friendly refrigerants like R-410A. If your gas furnace or existing AC system uses an older refrigerant, it may impact the choice of the new unit.
- Maintenance Requirements: Both systems will require regular maintenance to function efficiently. Consider how easy it is to access both the AC unit and the gas furnace for routine checks, cleaning, and repairs.
- Cost Considerations: Assess the total cost of installing the AC unit alongside your gas furnace, including equipment, installation labor, and any necessary modifications to existing ductwork. Budgeting for these expenses will help in making an informed decision.
How Can Proper Maintenance Extend the Lifespan of an AC Unit on a Gas Furnace?
Proper maintenance can significantly enhance the lifespan of an AC unit integrated with a gas furnace by ensuring optimal performance and reducing the risk of breakdowns.
- Regular Filter Replacement: Changing the air filters regularly helps maintain good airflow and efficiency. Clogged filters can restrict airflow, causing the unit to work harder and potentially leading to overheating or component failures.
- Annual Professional Inspections: Scheduling yearly inspections by a qualified technician allows for early detection of potential issues. Technicians can clean internal components, check refrigerant levels, and ensure that the system operates smoothly, which can prevent costly repairs down the line.
- Cleaning the Coils: Keeping the evaporator and condenser coils clean is essential for heat exchange efficiency. Dirty coils can reduce the system’s ability to cool the air effectively, forcing the unit to consume more energy and wear out faster.
- Checking Ductwork Integrity: Ensuring that ductwork is sealed and insulated properly can prevent energy loss. Leaky ducts can result in uneven cooling, higher energy bills, and increased strain on the AC unit, which can shorten its lifespan.
- Thermostat Calibration: Regularly checking and calibrating the thermostat ensures accurate temperature readings and efficient operation. An improperly calibrated thermostat may cause the system to run longer than necessary, leading to excess wear and increased energy consumption.
- Condensate Drain Maintenance: Keeping the condensate drain line clear prevents water buildup and potential water damage. A blocked drain can lead to moisture issues, which can affect both the AC unit and the gas furnace, leading to more extensive repairs if left unaddressed.
- Monitoring System Performance: Paying attention to any changes in cooling efficiency or unusual noises can help identify problems early. Being proactive about addressing these signs can prevent minor issues from escalating into major failures that could shorten the unit’s lifespan.