Carrier is the best air conditioner brand in our review, earning a 4.8-star rating for its energy efficiency (up to 21 SEER2) and performance, with systems costing an average of $8,121 installed, according to our 2026 HVAC survey. Ruud also earned high marks in our review for delivering reliable, energy-efficient cooling at a lower price than many premium competitors.
Our guide compares the best air conditioner brands to help you find the right system for your home comfort needs and budget. We also include shopping advice from This Old House plumbing and heating expert Richard Trethewey.
Key Takeaways
- We gave Carrier a 4.8 out of 5-star rating and named it the best air conditioner brand because it offers energy-efficient systems, strong overall performance, and different warranty options.
- Ruud ranks as the second air conditioner choice on our list because of its straightforward product lineup and wide network of authorized dealers.
- The average cost of a central air conditioner typically costs $8,460 on average, depending on the brand and model.
- Carrier was the most popular air conditioner brand our 2026 survey respondents installed, with over 18% choosing the brand.
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The 5 Best Air Conditioner Brands
Here’s our list of top air conditioner (AC) brands on the market:
- Carrier: Best Performance
- Ruud: Best Mid-Tier Brand
- American Standard: Best Customer Service
- Goodman: Most Affordable
- Lennox: Best for Longevity
Compare the Top Air Conditioner Brands
The table below provides an overview of each air conditioner brand based on our scores, average costs, warranty coverage, and Better Business Bureau (BBB) ratings.
| Provider | Our Rating | Price Range | Warranty | BBB Rating | |
|---|---|---|---|---|---|
$8,162 | 5-year parts warranty (10 years with registration) | NR | |||
 | $9,700 | 10-year compressor, 5-year unit and labor warranty | A- | ||
 | $7,460 | 10-year compressor and 10-year parts warranty | A | ||
 | $6,964 | 5-year parts warranty (10 years with registration) and lifetime compressor warranty with select models | A+ | ||
$9,604 | 5-year parts warranty (10 years with registration) and 10-year compressor warranty | A+ |
Note: The cost figures in this table and throughout our guide are based on our 2026 HVAC survey of 1,000 homeowners who repaired or replaced their HVAC system within the last five years.
Our Reviews of the Best Air Conditioner Brands
We reviewed the best air conditioner brands and compared how each company performs, their top models, costs, warranty coverage, and more.
Carrier
Pros and Cons
Pros
- Has more than 100 years in the heating, ventilation, and air conditioning (HVAC) business
- Offers innovative features like Greenspeed Intelligence for precise temperature control
- Features quieter operation compared to many competitors, especially in premium models
Cons
- Requires installation to be done by certified Carrier dealers, limiting contractor options
- Cost more than mid-range brands
Our Review and Insights
Carrier is our top air conditioner brand because of its attention to detail in engineering and efficiency. Its top-of-the-line Infinity series offers impressive Seasonal Energy Efficiency Ratio (SEER2) efficiency ratings up to 21, which can reduce cooling bills during sweltering summer months. Carrier’s Greenspeed Intelligence technology is another plus since it makes micro-adjustments to maintain comfort while using minimal energy. The brand’s units are quieter than some of the budget brands featured in our list.
However, a Carrier system might cost you more than comparable mid-range brands like Ruud, and you’ll need to work with a certified Carrier dealer for installation.
Recommended Model
The Carrier Infinity 21 (model 26VNA1) is the company’s standout air conditioning unit. This variable-speed model reaches up to 21 SEER2, making it an efficient residential air conditioner. What makes this model impressive is its Greenspeed Intelligence technology, which continuously adjusts output to improve efficiency, enhance humidity control, and deliver consistent comfort via a variable-speed compressor.
The combination of ultra-quiet operation, which goes as low as about 55 decibels, advanced humidity management, and durable WeatherArmor protection makes it a smart long-term investment—especially if you plan to stay in your home for more than 5 years.
Ruud
Pros and Cons
Pros
- Offers value with competitive pricing and performance
- Availability of parts and service technicians across most regions
- Features EcoNet smart technology in higher-end models for remote energy management
Cons
- Lacks some efficiency features found in premium brands like Lennox and Carrier
- Has slightly shorter warranty coverage
Our Review and Insights
Ruud is a reliable mid-tier brand that offers a balance between affordability and performance. What sets Ruud apart from budget competitors is its commitment to quality components and manufacturing standards that exceed minimum requirements. Its air conditioners incorporate solid technology that performs reliably season after season. Its mid- and higher-end units feature the EcoNet smart control system, which provides control and energy monitoring capabilities.
Ruud occupies a position between the premium innovation of Carrier and the budget-friendly focus of Goodman. Its units typically cost less than comparable models while providing similar reliability ratings. If you’re seeking dependable cooling without the investment in a premium brand, Ruud represents a good middle-ground option that prioritizes reliability over cutting-edge features.
Recommended Model
The Ruud Endeavor Ultra Series UA19 is a solid air conditioning unit that balances efficiency and value, boasting efficiency ratings up to 20 SEER2. It competes well with upper mid-range options offered by other brands while remaining more affordable. With its variable-speed compressor, the UA19 provides improved temperature consistency, humidity control, and energy savings. This is the only unit that features Ruud’s EcoNet smart control technology, allowing for remote monitoring and adjustments via smartphone when paired with the proper controls.
This model also has durable features like a composite base pan and a corrosion-resistant cabinet to ensure a long service life. Operating at moderate noise levels for residential use, the UA19 delivers relatively quiet performance for its class. In addition, Ruud backs the unit with a 10-year limited parts warranty and a conditional unit replacement when registered, making it a smart investment for quality cooling without a premium price tag.
American Standard
Pros and Cons
Pros
- Offers customer support with multiple contact channels, including a live chat feature for rapid troubleshooting
- Provides comprehensive, easy-to-understand owner resources
- Maintains an extensive nationwide dealer network with consistent installation and service quality standards
Cons
- Requires installation from certified dealers to maintain warranties
- Offers fewer smart home integration options in base models compared to other brands
Our Review and Insights
American Standard is our pick for homeowners who appreciate having multiple customer support options. Unlike brands that limit customer interactions to business hours or email-only communications, American Standard offers phone support, email assistance, detailed online resources, and a unique live chat feature. This innovative chat system connects homeowners with technical specialists who can troubleshoot problems in real-time, often helping resolve minor issues without the need for a service call.
However, American Standard has an upfront cost that exceeds the budget brands we’ve featured in this list. That said, the combination of reliable equipment and customer service often justifies the investment.
Recommended Model
The American Standard AccuComfort Platinum 20 stands out as the brand’s top air conditioning model, offering high performance paired with advanced comfort features. This variable-speed system reaches up to 24 SEER2 and continuously adjusts its output to maintain precise indoor temperatures while helping reduce overall energy use.
What sets this model apart is American Standard’s AccuComfort technology, which allows the system to fine-tune cooling output based on real-time conditions inside and outside your home. The Platinum 20 also operates at noise levels as low as 64 decibels, making it quieter than many comparable systems and well-suited for homes with patios, decks, or nearby outdoor living spaces.
Goodman
Pros and Cons
Pros
- Offers the most affordable pricing among major HVAC manufacturers we’ve reviewed, with units typically costing 20%–30% less than comparable mid-tier brands
- Provides straightforward designs that focus on core functionality without expensive add-ons
- Has AC units designed for multi-family housing units
Cons
- May have a shorter overall lifespan than premium brands like Carrier or Trane
- Lacks some of the advanced efficiency features and smart technology of higher-end competitors in most models
Our Review and Insights
Goodman has established itself as the go-to brand for budget-conscious homeowners looking for reliable cooling solutions. According to our recent cost data collection, Goodman consistently offers the most affordable options in every air conditioner category. The brand’s affordability is the result of its straightforward approach to manufacturing and design. Rather than incorporating expensive proprietary components or elaborate smart home features, Goodman focuses on producing simple, functional units with industry-standard parts. This approach also makes repairs more affordable, as replacement parts are widely available and familiar to most technicians.
Its affordability comes with some drawbacks. Most Goodman units don’t feature smart-home technology, and they lack the efficiency features of mid-tier and high-end brands. Still, Goodman is a solid choice if you don’t care for additional features and tech found in more expensive competitors.
Recommended Model
The Goodman GLXT7C is our pick for balancing affordability and efficiency. This split-system air conditioner delivers up to 17.2 SEER2, offering strong energy performance and smart technology integration while staying true to Goodman’s reputation for value pricing. While Goodman offers models with higher efficiency ratings, the GLXT7C remains one of the best overall values in the lineup for its combination of performance, cost, and technology.
The GLXT7C features a two-stage scroll compressor, which improves temperature consistency and efficiency by operating at a lower capacity during moderate cooling demands. It also includes its proprietary ComfortBridge Technology, which allows you to monitor temperatures and automatically make adjustments. The cabinet is made from galvanized steel with a powder-coat finish, providing reasonable durability for outdoor installation, even if it doesn’t match the heavier construction found in premium-brand systems.
Lennox
Pros and Cons
Pros
- Offers smart thermostat app for smartphone integration, zone control capabilities, and precise temperature management
- Features proprietary SilentComfort technology with noticeably quieter operation than many competing brands
- Uses strong materials like galvanized steel cabinets and specialized coil protection
Cons
- Typically comes with premium price tags
- Can be more expensive and time-consuming to repair due to proprietary parts and components
Our Review and Insights
Lennox’s top-tier central air conditioners, such as those in the Dave Lennox Signature Collection, boast some of the highest SEER ratings in the market, often exceeding 24 SEER2. This makes Lennox a standout choice for eco-conscious consumers looking to reduce their energy bills and environmental impact. Features like variable-speed compressors and precise temperature control systems contribute to enhanced comfort and efficiency. Lennox also integrates smart home compatibility, allowing you to control your HVAC systems remotely via the Lennox smart thermostat app.
However, this level of sophistication comes at a premium. Lennox air conditioners tend to be more expensive upfront compared to competitors like American Standard or Ruud. Additionally, the brand often requires proprietary parts and specific dealer maintenance, which can lead to higher long-term service costs.
Recommended Model
The Lennox SL25KCV is the brand’s most advanced and highly recommended air conditioning model, thanks to its exceptional energy efficiency and cutting-edge performance. This variable-capacity system reaches up to 26 SEER2, setting one of the highest efficiency benchmarks in the residential air conditioning market.
The unit’s variable-capacity compressor enables the system to precisely adjust cooling output, delivering consistent comfort while minimizing energy waste. The SL25KCV is also compatible with Lennox’s smart technology, enabling remote system control and monitoring via a smartphone app when paired with the appropriate thermostat. However, Lennox systems may require specialized replacement parts and service, which can increase long-term maintenance costs compared to more value-oriented brands.
How To Choose the Best Air Conditioner Brand
Choosing the right air conditioner for your home directly impacts your daily comfort and long-term satisfaction. It’s important to consider a brand’s energy efficiency, reliability, installation costs, and warranty coverage when comparing options.
Homeowner Insights
Over 41% of homeowners who repaired or replaced their air conditioning system reported that their biggest concern before starting the project was how much it would cost. The next biggest concern was being without cooling or heating while the project was underway (21%).
Energy Efficiency Ratings
When we talk about energy efficiency, we’re really talking about monthly energy bills and environmental impact. For many years, air conditioner efficiency was measured using a Seasonal Energy Efficiency Ratio or SEER rating. In 2023, the Department of Energy introduced SEER2 as a new efficiency standard that uses more realistic testing conditions to better reflect how air conditioners work in residential homes.
Upgrading from an older SEER system to a SEER2 equivalent unit can reduce cooling energy use by up to 20%, potentially adding up to hundreds of dollars in annual utility bill savings.
Long-Term Reliability and Maintenance
Even the best air conditioner brands require regular maintenance to operate efficiently and reach their expected lifespan. Handling routine upkeep like changing air filters, checking refrigerant levels, and scheduling annual tune-ups can improve system performance and help prevent expensive repairs over time.
Pro Tip
- A commonly overlooked maintenance task is keeping your air conditioner’s condenser coils free of dust, says Trethewey. “Keeping condenser coils clean is an important part of maintaining HVAC efficiency, since built-up debris can restrict airflow and force systems to work harder than necessary. Regularly cleaning outdoor units of dirt and debris can improve efficiency, reduce strain on the system, and extend its lifespan,” he adds.
Some air conditioner brands also make maintenance easier by offering wider part availability and easier access to certified technicians. Choosing a brand with reliable local service support can reduce repair delays and lower long-term ownership costs.
Homeowner Insights
About 19% of homeowners who replaced their air conditioning system said the most important factor they considered when choosing a replacement was its expected reliability or lifespan. Brand reputation (18%) and price (18%) closely followed.
Installation Labor and Ongoing Support
The cost of installing an air conditioner is $8,460 on average. What you pay depends on the brand and model, your location, and local labor rates. Expect to pay less for brands with fewer features, like Goodman and Ruud, compared to cutting-edge brands like Carrier or Lennox.
That said, the best HVAC equipment is only as good as its installation and ongoing maintenance, both of which can affect your system’s efficiency and lifespan. Leading brands maintain networks of certified dealers who undergo rigorous training specific to their products. Look for brands that not only manufacture quality equipment but also invest in their dealer networks through continuous education and support programs.
Homeowner Insighys
About 75% of homeowners who repaired or replaced their air conditioners reported paying $100–$250 or more per hour in installation labor costs.
Warranty Coverage and Parts Availability
Most leading HVAC brands provide 10-year parts warranties for registered systems, with some offering limited lifetime compressor coverage. Warranty terms can vary significantly depending on who installs your system and whether you register it on time. For example, some manufacturers, like Ruud, offer base warranties of five years that extend to 10 years with proper registration, while other brands might reduce coverage to just a few years without registration.
Parts availability is equally important. Brands with strong dealer networks can reduce repair delays by ensuring better parts availability and faster service.
Homeowner Insights
Of the homeowners who repaired or replaced their air conditioner and received a warranty, 92% said they were “confident” or “very confident” that their HVAC contractor would honor it.
What Type of Air Conditioning System Should You Buy?
When deciding which type of air conditioner to buy, it’s important to consider your home’s layout and energy usage. Air conditioners generally fall into three categories: single-stage, two-stage, and variable-speed system. The option you choose can affect your comfort, system efficiency, and upfront costs.
Single-stage air conditioners operate at full power whenever they run, making them the most affordable option. However, they may produce less consistent temperatures and humidity control than more advanced systems.
Two-stage systems can run at both high and low settings, allowing them to operate more efficiently during milder weather. This can help improve indoor comfort, reduce temperature fluctuations, and lower energy usage.
A variable-speed air conditioner is the most advanced option. These systems continuously adjust output to match your home’s cooling needs, helping improve efficiency, humidity control, and noise levels. Brands like Carrier, Lennox, and Trane offer variable-speed models designed for maximum comfort and long-term energy savings.
A central air conditioner is a whole-home system that uses a centralized unit to distribute cooling throughout a home. Central air conditioners work best for multi-room homes that already have existing ductwork.
A ductless mini-split air conditioner is a cooling system that controls the temperature of individual rooms or spaces in a home without the use of traditional ductwork. This system is best for homes that don’t have ductwork or if you want isolated temperature control for a single room or space.
Pro Tip
- When considering an air conditioning system, Trethewey recommends investing in a unit with a two-stage compressor, which works at full power only on the hottest days. The rest of the time, the air handler operates longer and squeezes more humidity out of indoor air. However, he cautions that the amount you invest should depend on how many days you’ll run it and your electricity costs: “You don’t want to spend thousands for a system that only saves you $100 a year.”
What Size Air Conditioner Do You Need for Your Home?
Figuring out the right air conditioner size for your home is important so you can meet your home’s cooling needs without overpaying for energy. Too small, and the air conditioner won’t provide enough cooling. Too big, and you can waste money on unused energy.
A common rule of thumb is that homes need around 20 British thermal units (BTUs) of cooling capacity per square foot of living space. However, your local climate, system insulation, ductwork, ceiling height, airflow, and the number of sun-facing windows can significantly change these needs. A well-insulated home in a moderate climate may require less cooling capacity, while a similar-sized home in a hot, humid region or one with high ceilings and large south-facing windows may need more.
Because of these variables, professional HVAC installers rely on a Manual J load calculation, which accounts for your home’s specific characteristics, to figure out system sizing. To put things into practical terms, a 2,000-square-foot home typically requires a 3.5–4 ton air conditioning system, or roughly 42,000–48,000 BTUs of cooling capacity.
Pro Tip
- “More is not better,” Trethewey warns about system sizing. “Your house ends up feeling cold and clammy because the system cools down so quickly that the thermostat shuts off the air handler before it has a chance to fully circulate and dehumidify the inside air.”
What Our Homeowner Survey Says About Air Conditioners
Our team recently surveyed 1,000 homeowners nationwide who have repaired or replaced their HVAC system within the last five years. Of those respondents, we focused on those who installed a central air conditioning system for this section. Our survey aimed to better understand the main reasons why homeowners decided to repair or replace their home’s HVAC system. Here’s what we found:
- Air conditioner age determined repair or replacement decisions: Over 54% of homeowners reported that their air conditioning system was 10 years or older when they repaired or replaced their system, with the most common age range being 10 to 14 years old (30%). Homeowners with systems under 10 years old overwhelmingly repaired them (74%), but the decision flipped once systems reached 15 years old or older (53%).
- Homeowners took action due to temperature issues: The main reason why homeowners contacted an HVAC professional was that their home was not getting warm or cool enough when they ran their air conditioning system (48%), followed by their system breaking down completely (22%).
- Most air conditioning repairs or replacements were urgent: We found that 87% of homeowners felt their air conditioner repair or replacement needed to be addressed within one week or sooner. Only 3% of homeowners said their repair or replacement was not urgent at all.
Is Buying a New Air Conditioner Worth It?
Whether you should buy a new air conditioner or save money by repairing your current unit depends on the system’s age, maintenance history, and performance. A replacement is generally worth it if your unit is more than 15 years old, requires frequent repairs, or struggles to keep your home comfortable. If repairs would equal or exceed the cost of a new system, investing in a replacement unit is usually worth it.
Buying a new air conditioner can also mean more energy bill savings, which some homeowners may find worth the system cost. Older systems with lower SEER ratings can increase your monthly energy costs compared to newer high-efficiency models. Upgrading to a modern system with improved SEER2 ratings may reduce cooling energy use by up to 20%, depending on your climate and usage habits.
However, homeowners looking to save money may find newer systems with minor issues worth the cost of repairing, especially if they’re still under warranty. If you’re unsure on the best approach, we recommend looking into replacement options so you can compare costs and connect with an installer for more information.
Advice From Homeowners
We spoke with several homeowners and Walter Bennett, an HVAC technician with Green Leaf Air in Dallas, Texas, to learn more about experiences with installing new cooling systems.
One homeowner shared how the first company they contacted tried to overcharge by nearly $2,000 compared to the provider they ultimately hired. Bennet recommends showing caution when faced with high-pressure sales tactics and unnecessary upgrades. Always request a detailed, itemized estimate to avoid hidden fees and ensure transparency.
Bennet also says to watch out for unexpected costs and permits. For example, some homeowners may not realize that replacing an air conditioner often requires a city permit, and not all contractors handle this part of the process for you. Always confirm whether your project needs permits and who is responsible for obtaining them.
While do-it-yourself (DIY) repairs might seem tempting to save money, HVAC systems are complex, and professionals can diagnose issues that an untrained eye might miss. One homeowner appreciated their HVAC provider’s 10-year parts warranty and 1-year labor guarantee, while another homeowner who chose a cheaper, no-guarantee option faced repeated system breakdowns without recourse.
FAQs About the Best Air Conditioner Brands
How long should a quality air conditioner last?
A well-maintained air conditioner from a reputable brand typically lasts 15–20 years. Installation quality, regular maintenance, your climate, and how often the system runs all play a major role in determining lifespan. Systems in moderate climates with annual professional tune-ups often last longer, while units in hot or coastal regions may need replacement sooner.
What’s the difference between budget and premium AC brands?
The difference between budget and premium AC brands goes beyond the air conditioner price tag. Premium brands like Carrier, Lennox, and Trane typically offer quieter operation, more precise temperature control, and advanced features like variable-speed compressors and smart home integration. Budget brands have improved significantly and can provide reliable performance and solid warranties, making them a practical choice for homeowners focused on value.
Should I repair or replace my existing air conditioner?
The decision to repair or replace your existing air conditioner often comes down to what HVAC professionals call the “5,000 rule.” Multiply the age of your unit by the repair cost. If the result exceeds $5,000, replacement is usually the more cost-effective option. For example, if your 12-year-old AC needs a $500 repair, the calculation is 12 × $500 = $6,000, suggesting replacement might end up being the better choice.
How We Evaluated Air Conditioner Brands
We’re dedicated to providing thorough and impartial reviews. We accomplish this through transparent evaluations and data that support our ratings and recommendations.
Our Rating System
Our rating system for air conditioner brands operates on a 100-point scale, which is then converted to 5-star ratings, based on the following seven factors:
- System cost (20 points): We evaluate each brand’s average price range for a full-size air conditioning unit or furnace. If their average price falls under $11,000, we give them more points.
- Efficiency rating (20 points): We assess the company’s best energy efficiency ratings, specifically the highest seasonal energy efficiency ratio (SEER) and annual fuel utilization efficiency (AFUE). The higher these ratings, the better the score.
- Sound rating (10 points): We analyze the company’s lowest sound rating measured in decibels. Companies with quieter units receive higher scores.
- Warranty options (10 points): We give the most points to companies that offer warranties exceeding the average duration of five to 10 years. Points are deducted from companies with warranties that cover three or fewer parts.
- Energy Star certification (10 points): Companies with Energy Star-certified products receive additional points.
- Reputation (10 points): We review each company’s rating from the Better Business Bureau (BBB). Points are deducted for any alerts or pending lawsuits against the company.
- Customer service and resources (20 points): We consider the level of customer support and resources available, including user-friendly product search tools, FAQ sections, pricing guides, online manuals, and mobile apps.
To share feedback or ask a question about this article, send a note to our team at reviews@thisoldhousereviews.com.
