Best Gas Furnace Brands for 2025–2026: What’s the best furnace brand to buy right now?

If your furnace is getting noisy, struggling to keep up, or creeping past that 15–20 year mark, you’re probably asking the big question:
“What’s the best furnace brand to buy right now?”

In 2025–2026, choosing a new gas furnace isn’t just about grabbing a familiar name and hoping for the best. Between new efficiency standards, changing gas and electric rates, and a wave of high-tech features (modulating burners, variable-speed blowers, smart thermostats, and communicating controls), the gap between a “basic” furnace and a truly high-comfort, high-efficiency system has never been bigger.

The good news: you don’t have to become an HVAC engineer to make a smart choice.

In this guide, we’ll break down the best furnace brands for 2025–2026, explain what actually matters (and what’s mostly marketing), and compare top models side by side, including efficiency ratings, comfort features, noise levels, and warranty considerations. We’ll also talk about how to match the type of furnace (single-stage vs two-stage vs modulating) to your home, your climate, and your long-term plans.

By the end, you’ll know:

What separates a great furnace from an average one
Which top 5 furnaces are worth a serious look
How to balance brand, features, and budget without sacrificing comfort

And if you’re in the San Francisco Bay Area, we’ll share how Galaxy Heating & Air Conditioning can help you compare options and choose the right system, not just on paper, but in the real-world comfort of your home.

When people ask “What’s the most reliable furnace brand?” the honest answer is:
The best furnace is a high-quality, energy efficient, properly sized, properly installed system from a top manufacturer that fits your home and budget.

Brand matters, but type of furnace + installation quality matter just as much (often more).

Below is a homeowner-friendly guide to:

How to choose the best furnace
The main furnace types and what they actually do for you
A comparison of 5 top high-efficiency furnaces from leading brands
Why working with a local pro (like Galaxy Heating & Air Conditioning in the Bay Area) is the real “secret sauce”

What Makes a Furnace “The Best”: A Look at the Best Furnace Brands

Before comparing brands, it helps to know what you’re actually comparing. Key factors such as efficiency, warranty coverage, and installation quality should be considered when comparing furnace brands. Heat exchangers are a critical component of any furnace, playing a major role in system reliability and longevity. Because heat exchangers can be costly to repair or replace, warranty coverage for heat exchangers is especially important when evaluating different brands.

Introduction to Furnace Brands

When it comes to choosing a new furnace for your home, the sheer number of furnace brands on the market can make the decision feel overwhelming. Each brand offers its own blend of features, efficiency ratings, and price points, making it important to understand what sets the top furnace brands apart. Whether you’re looking for maximum energy efficiency, reliable performance, or the best value for your investment, selecting the right furnace brand is a crucial first step.

In this guide, we’ll break down what you need to know about the leading furnace brands, highlight the features that matter most, and help you identify which models are best suited to your home’s heating needs. We’ll also cover why proper installation is just as important as the furnace itself, and how ongoing maintenance can keep your system running at peak performance. By the end, you’ll have a clear understanding of how to choose the most reliable furnace brand for your home, and how to ensure your new furnace delivers comfort, efficiency, and long-term value.

Key performance factors

AFUE efficiency (fuel usage)
AFUE = Annual Fuel Utilization Efficiency – the percentage of fuel that becomes usable heat over a full season. A 97% AFUE furnace turns 97% of the gas you pay for into heat in your home; only 3% is lost in the flue. Higher AFUE = lower gas usage. Many modern gas furnaces achieve AFUE ratings between 90% and 98%.
Burner type (comfort & runtime)
- Single stage furnaces: ON at full blast or OFF. Cheapest, but more temperature swings. Single stage furnaces tend to be louder and less efficient, and can be less efficient during mild weather because they run at full capacity, which wastes energy.
- Two-stage: Low fire most of the time, high fire on very cold days. More even comfort, quieter.
- Modulating / variable-capacity: Adjusts in tiny steps (sometimes 40–100% of capacity). Runs long, quiet, very even temperatures. Precise control over heating output leads to better efficiency and comfort.
Blower motor (airflow & noise)
- PSC (old-school fixed-speed) motors: Cheap, louder, less efficient.
- ECM / variable-speed motors: Use less electricity, ramp up/down gently, run quietly, pair well with high-end filters and zoning. Variable speed furnaces operate more quietly and efficiently than single stage furnaces.
Noise level: Premium lines (Lennox SLP99V, Carrier Infinity 98, etc.) are engineered for very quiet operation with insulated cabinets, variable-speed blowers, and advanced combustion. Variable speed furnaces contribute to quieter operation and more consistent temperatures throughout the home.
Controls & communication: “Communicating” furnaces (American Standard Platinum 95, Carrier Infinity, Rheem R98V, Goodman GMVM97, etc.) talk to smart thermostats and other system components for:
- Finer staging and airflow control
- Better diagnostics
- Optional remote monitoring via apps
Reliability, warranty & parts availability: Major brands offer similar 10-year parts and lifetime heat exchanger warranties on their higher-end models. The big difference is often:
- How easy parts are to get in your region
- How experienced your local contractor is with the brand
Installation quality: This is huge: a mid-range furnace installed perfectly is better than a top furnace installed badly. Correct sizing (Manual J load calc), gas pressure, venting, duct design, and commissioning all make or break the system.

2. Furnace Types & Which One You Actually Need

A. 80% vs 90–99% (condensing) furnaces

80% furnaces (non-condensing)
- Cheaper, often used where venting a condensing furnace is difficult
- Only recommended in specific cases or where codes/ROI support it
90–99% furnaces (condensing)
- Use a secondary heat exchanger to extract more heat from exhaust
- PVC venting (sidewall or roof), drain line for condensate
- Typical high-efficiency models today are 95–98.5% AFUE
- Models rated at 90% AFUE and above are considered high-efficiency and may qualify for Energy Star rebates or tax credits.

In most modern homes, especially in the Bay Area, a high-efficiency condensing furnace is the smart default if you’re staying on gas.

B. Staging: single-stage vs two-stage vs modulating

Good: Two-stage
Great comfort upgrade over single-stage; spends most of the time in low fire, which is quieter and more efficient.
Best: Modulating
These furnaces adjust their output constantly to match real-time heating load. In a mild climate, that means longer, gentle run times and very stable room temps rather than blast-then-coast cycles.

C. Blower motors

Variable-speed ECM (what you want in a premium system):
- Better air filtration (can run slow continuously)
- Compatible with zoning systems
- Lower electrical use vs old PSC motors
- Quieter operation

3. Combination Systems: Furnaces and Air Conditioners

When you want year-round comfort, a combination system that pairs a high efficiency gas furnace with a central air conditioner is a smart, streamlined solution. These integrated systems are designed to deliver reliable performance in both heating and cooling seasons, making them a popular choice for Bay Area homeowners who want to maintain consistent temperatures and maximize energy efficiency.

Why choose a combination system? A matched furnace and air conditioner from the same manufacturer ensures that both units are engineered to work together, optimizing airflow, energy usage, and overall system performance. This compatibility is especially important with today’s high efficiency models, which often use variable speed blower motors and advanced controls to deliver more consistent heating and cooling, quieter operation, and better air filtration.

Energy efficiency and savings Combination systems allow you to prioritize maximum energy efficiency all year long. By selecting a high efficiency gas furnace with a high SEER (Seasonal Energy Efficiency Ratio) air conditioner, you can significantly reduce your energy bills compared to older, mismatched equipment. Many of the most efficient furnaces and air conditioners also qualify for rebates and incentives from utility companies, further lowering your installation costs.

Reliability and comfort Pairing a reliable furnace brand with a quality air conditioner means fewer breakdowns and more consistent comfort. Variable speed technology in both the furnace and air conditioner helps maintain temperature and humidity levels, while also reducing operational noise. This is especially valuable in the Bay Area’s variable climate, where you may need both heating and cooling in the same week.

What to consider When planning a combination system, it’s important to ensure both units are properly sized for your home’s heating and cooling needs. Evaluating your home’s heating requirements—including factors like local climate, insulation levels, and home design—will help determine the correct furnace size and efficiency for optimal performance. A professional HVAC contractor will perform a detailed load calculation and recommend compatible, energy efficient models that fit your budget and comfort goals. Proper installation is key—an efficient furnace or air conditioner can only operate efficiently if installed correctly, with attention to ductwork, controls, and airflow.

The bottom line: A well-designed combination system offers the best of both worlds: efficient furnaces for winter warmth and high performance air conditioning for summer comfort. By choosing top furnace brands and matching them with equally efficient air conditioners, you’ll enjoy reliable performance, lower energy bills, and a more comfortable home year-round.

3. Top Furnace Brands (Big Picture)

These groups share engineering and parts; what really matters is matching model to home and having a contractor who knows the brand inside and out.

Major furnace brands are recognized for their proven reliability and long-term performance, making them a trusted choice for homeowners. Some homeowners prioritize finding the most reliable furnace brand based on rankings and customer trust.

Reputable HVAC companies can service all major furnace brands and provide warranty support, ensuring reliable performance and peace of mind.

Some brands offer competitive pricing, delivering strong value, while others come with a premium price tag due to advanced features and higher efficiency.

American Standard / Trane
• Known for quiet, durable high-end systems and smart communicating controls (AccuLink).
• Flagship Platinum line features modulating gas valves, variable-speed blowers, and AFUE around 97%.
Carrier / Bryant
• Carrier is a benchmark brand in the industry; Bryant is its sister brand.
• The Infinity series (and Bryant Evolution) are heavily focused on comfort, humidity control, and quiet operation, with advanced Greenspeed controls and up to 98.5% AFUE.
Lennox
• Known for very high efficiency and ultra-quiet performance, especially in the Dave Lennox Signature line.
• The SLP99V is marketed as one of the quietest and most efficient furnaces available, with up to 99% AFUE in some sizes and ENERGY STAR ratings around 98%+.
Rheem / Ruud
• Strong value and innovation – the Prestige R98V is a standout with 98% AFUE and robust diagnostics and homeowner-friendly features.
Goodman / Amana
• Excellent bang-for-the-buck with strong warranties.
• High-end GMVM97/AMVM97 models give you modulating, variable-speed performance and 97% AFUE at an attractive price point.
• Goodman and Amana are considered budget-friendly options with lower upfront costs.

4. Top 5 High-Efficiency Furnaces Compared

These are all excellent furnaces when matched and installed correctly. While higher efficiency models often come with a higher initial cost, they can provide significant savings on energy bills and improved performance over time. Warranty coverage and maintenance costs are important considerations when comparing high-efficiency furnaces. Efficiency rating and fuel efficiency directly impact long-term energy savings, making them key factors in your decision. Think of this as a “shortlist” – not the only good options on the market. Advanced features like smart technology and variable speed blower motors can enhance comfort and efficiency in a modern heating system.

Quick comparison table

#	Brand & Model	AFUE (up to)	Burner Type	Blower	Ideal For
1	American Standard Platinum 95	~97%	Modulating	Variable-speed ECM	Homeowners who want quiet comfort, steady temps, and a furnace that “talks” to a smart thermostat.
2	Carrier Infinity 98 (59MN7)	Up to 98.5%	Modulating w/ Greenspeed	Variable-speed ECM	Those who want top-tier efficiency, advanced humidity control, and very quiet operation.
3	Lennox SLP99V	Up to 99% (models typically ~98%+)	Variable-capacity (modulating)	Variable-speed ECM	Homeowners prioritizing ultra-quiet, ultra-efficient performance and are OK with more proprietary parts.
4	Rheem Prestige R98V	~98%	Modulating	Variable-speed ECM	Those wanting a feature-rich, efficient, well-supported furnace with strong diagnostics.
5	Goodman GMVM97	~97%	Modulating	Variable-speed ECM	Value-minded homeowners who still want premium comfort (modulating + variable-speed) without top-shelf brand pricing.

AFUE ranges vary by size and configuration; your specific furnace’s rating will be on its data plate and AHRI certificate.

1. American Standard Platinum 95 – balanced premium choice

Up to ~97% AFUE on many models
Fully modulating gas valve (often 40–100% capacity)
Variable-speed blower, insulated cabinet, communicating controls
Great match for homes where comfort, noise level, and long-term reliability are top priorities.

2. Carrier Infinity 98 (59MN7) – comfort + controls

Up to 98.5% AFUE
Modulating burner with Greenspeed intelligence
Excellent humidity and airflow management, especially when paired with other Infinity components
Ideal for homeowners who want fine control and integration with Carrier’s communicating thermostats.

3. Lennox SLP99V – ultra-efficient and very quiet

Marketed at up to 99% AFUE; ENERGY STAR shows typical tested models around 98%+
Variable-capacity gas valve and variable-speed blower
Known for whisper-quiet operation
Great in noise-sensitive homes (bedrooms near mechanical room, etc.) where top efficiency is also a goal.

4. Rheem Prestige R98V – feature-packed workhorse

About 98% AFUE across the family
Modulating gas valve, variable-speed blower, strong EcoNet communicating controls
Rheem’s PlusOne diagnostics and water management (condensate monitoring) are helpful for long-term reliability and easier service.

5. Goodman GMVM97 – premium comfort at a value price

97% AFUE, modulating burner, variable-speed ECM blower
ComfortBridge communicating technology, strong warranty
Excellent choice if you want a high-end modulating system without paying top brand premiums – especially when paired with a quality installer.

5. How to Choose the Best Furnace for Your Home

Here’s a practical step-by-step framework we use when helping homeowners:

Choosing the right furnace is a major investment for your home. Local energy costs can influence the best furnace choice for your home, as higher AFUE ratings can lead to greater savings depending on regional energy prices. Selecting the right heating system and ensuring compatibility with your existing hvac system is essential for efficiency and long-term reliability. Proper selection and installation are necessary to ensure optimal performance and maximize the lifespan of your equipment.

When evaluating warranties and reliability, keep in mind that heat exchanger failure can be a costly issue, and some brands offer extended warranties to protect against this risk.

When considering brand selection, note that the carrier brand and lennox systems are known for advanced features and premium pricing, which may be justified by their superior performance and warranty support.

Step 1: Start with your long-term plan (gas vs heat pump vs dual fuel)

If you plan to stay on natural gas for 15–20 years, a 95–98% AFUE condensing furnace is usually the right play.
If you’re thinking about electrification and heat pumps, consider:
- A dual-fuel setup (high-efficiency gas furnace + high-efficiency heat pump)
- Or skipping a new furnace entirely and going all-electric heat pump instead.
Models rated at 90% AFUE and above are considered high-efficiency and may qualify for Energy Star rebates or tax credits.

Step 2: Get a proper load calculation (Manual J)

No guessing based on square footage. A pro should:

Perform a professional calculation that considers factors such as climate, insulation levels, and window efficiency
Measure the home
Look at insulation, windows, orientation, leakage
Choose a furnace size that matches the real heating load
Measure the home
Look at insulation, windows, orientation, leakage
Choose a furnace size that matches the real heating load

Oversized furnaces short-cycle, create uneven temps, are noisier, and wear out faster – no matter the brand. A furnace that’s too large will cycle on and off more frequently, causing wear and tear on components and wasting energy. A professional should perform a detailed load calculation of your home to determine the correct furnace size.

Step 3: Decide on comfort level & budget

Basic comfort / tight budget:
- Two-stage 95% furnace with ECM blower. Big upgrade over your old single-stage.
Premium comfort / long-term home:
- Modulating 95–98% furnace with variable-speed ECM and communicating controls.
- Costs more upfront but maximizes comfort, efficiency, and resale value.

Step 4: Consider ducts, filtration, and IAQ

The best furnace in the world can’t fix bad ducts.

Check return air size, supply trunk, and branch sizes so airflow (CFM) is correct.
Upgrade to high-MERV filtration if you have allergies or dust issues (often works best with variable-speed blowers).
In the Bay Area’s mild, damp winters, steady lower-speed airflow from a variable-speed furnace can help keep the home feeling more comfortable without big swings.

Step 5: Choose a contractor you trust

Things a good HVAC contractor should do:

Show you the load calculation or at least talk through sizing logic
Test and document static pressure and gas pressures
Register equipment warranties for you
Provide clear documentation and upfront pricing
Offer maintenance options so your new system stays within spec

Installation and Maintenance

Proper installation and regular maintenance are the foundation of a high-performing, long-lasting furnace. Even the most efficient furnaces from the top furnace brands can fall short if they aren’t installed correctly or maintained over time. A well-installed furnace ensures consistent heating throughout your home, helps you achieve maximum efficiency, and keeps your energy bills in check. On the other hand, improper installation can lead to issues like uneven heating, wasted energy, and even premature heat exchanger failure.

In this section, we’ll explore why proper installation and maintenance are essential for getting the most out of your new furnace. We’ll also share practical tips to help you protect your investment, avoid common pitfalls, and enjoy reliable comfort for years to come.

Importance of Proper Installation

The performance and efficiency of your furnace depend heavily on how well it’s installed. Choosing a reliable furnace brand is only half the equation, ensuring that your new system is installed correctly is what guarantees you’ll enjoy the benefits of energy efficiency, reliable performance, and long-term energy savings. A furnace that’s not installed to manufacturer specifications can suffer from reduced efficiency, higher energy bills, and even early system failures.

When selecting an HVAC company, look for one with proven experience installing your chosen furnace brand and a reputation for competitive pricing. It’s also important that your installation team understands local energy costs, building codes, and safety standards, so your system is set up for maximum energy efficiency from day one. By prioritizing proper installation, you’ll not only protect your investment but also enjoy consistent heating, lower energy bills, and peace of mind knowing your furnace is operating at its best.

Maintenance and Repair

Routine maintenance is key to keeping your furnace running efficiently and avoiding unexpected breakdowns. Regular check-ups help prevent issues like heat exchanger failure, which can be costly and disruptive. A well-maintained furnace with a clean air filtration system and a properly functioning variable speed blower motor will deliver more consistent heating and improved indoor air quality, all while keeping your energy bills in check.

To ensure your furnace stays in top shape, schedule annual inspections with a trusted HVAC company. During these visits, technicians will inspect the heat exchanger, test the variable speed blower, and check all safety controls. Investing in a maintenance plan can make it easier to stay on top of these tasks and catch small problems before they turn into major repairs. By keeping up with regular maintenance and prompt repairs, you’ll extend the life of your furnace, maintain consistent heating, and enjoy lower energy bills year after year.

6. So… What’s the “Best” Furnace Brand?

Short answer:

American Standard, Carrier, Lennox, Rheem, Goodman, and a few others all make excellent high-end furnaces.
Once you’re in the top tier (like Platinum 95, Infinity 98, SLP99V, R98V, GMVM97), differences in comfort and efficiency are subtle and heavily dependent on the quality of installation and how well the system is designed for your home. Premium brands like Trane and Lennox may incur higher repair costs due to proprietary parts compared to other brands like Goodman.

If you pick from these top lines, size them correctly, and have them installed and commissioned properly, you’re going to be very happy.

7. Bay Area Homeowner? Work With Galaxy Heating & Air Conditioning

If you’re in the San Francisco Bay Area, the easiest way to “choose the best furnace” is to work with a contractor who:

Installs multiple top brands (American Standard, Carrier, Lennox, Rheem, Goodman, etc.)
Specializes in high-efficiency, variable-speed systems
Understands Bay Area microclimates and local codes
Can also help you evaluate heat pumps and dual-fuel options so you don’t lock yourself into yesterday’s technology
Offers financing solutions to help manage furnace installation costs. Many HVAC contractors provide financing options to make high-efficiency furnace installations more accessible.
Installs multiple top brands (American Standard, Carrier, Lennox, Rheem, Goodman, etc.)
Specializes in high-efficiency, variable-speed systems
Understands Bay Area microclimates and local codes
Can also help you evaluate heat pumps and dual-fuel options so you don’t lock yourself into yesterday’s technology
Offers financing solutions to help manage furnace installation costs
Installs multiple top brands (American Standard, Carrier, Lennox, Rheem, Goodman, etc.)
Specializes in high-efficiency, variable-speed systems
Understands Bay Area microclimates and local codes
Can also help you evaluate heat pumps and dual-fuel options so you don’t lock yourself into yesterday’s technology

When you’re investing in a new furnace, you’re not just buying a metal box with a brand name on it – you’re buying comfort, safety, and reliability for the next 15–20 years. The right equipment and the right installer both matter.

At Galaxy Heating & Air Conditioning, we don’t push a single “favorite” brand. We work with leading manufacturers and focus on matching the right system to the right home, every time. When you call us out, we can:

Evaluate your existing furnace, ductwork, and electrical
Run a proper load calculation instead of guessing by square footage
Compare multiple top furnace options (and heat pump or dual-fuel options) side by side
Break down costs, rebates, and long-term operating savings in plain language
Install and commission your new system to factory specs so you actually get the efficiency and comfort you paid for

Whether you’re leaning toward a high-efficiency gas furnace, a dual-fuel setup, or a future-ready heat pump, our team will walk you through every step of the decision, from brand and model selection to thermostat choices, filtration, and maintenance.

If you’re in the San Francisco Bay Area and ready to replace an aging furnace or plan your next upgrade, Galaxy Heating & Air Conditioning is here to help you do it right the first time.

👉 Call us at (925) 578-3293 or email info@galaxyservices.com to schedule your consultation and design a heating system that feels “best” where it really counts: in your day-to-day comfort, your monthly utility bills, and your peace of mind for years to come.