Find the Perfect Heating & Cooling System
Our team has analyzed 40+ HVAC brands, surveyed thousands of homeowners, and evaluated real installation costs - so you can choose the right system and contractor with confidence.
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Our Top Picks
Hand-picked by our expert team after extensive testing.

Carrier
Carrier invented modern air conditioning in 1902 and continues to lead the industry with the most energy-efficient systems, quietest operation, and best-in-class smart home integration. Their Infinity series consistently tops efficiency and reliability rankings.
Pros
- +Best-in-class energy efficiency with SEER2 ratings up to 26
- +Greenspeed variable-speed technology provides ultra-precise temperature control
- +Industry-leading quiet operation across both indoor and outdoor units
- +Strong smart home integration with Wi-Fi thermostats and app control
Cons
- −Premium pricing - Carrier systems cost 15-25% more than budget brands
- −Installation quality varies by dealer - choose a Carrier Factory Authorized dealer
- −Parts availability can be slower in rural areas due to proprietary components

Trane
Trane has earned its reputation as the most reliable HVAC brand in America. Built to withstand extreme conditions, Trane systems consistently rank #1 in long-term durability surveys. Their dealer network is among the best trained in the industry.
Pros
- +Best long-term reliability and durability of any major HVAC brand
- +Rigorous extreme-condition testing exceeds industry standards
- +Excellent dealer training program produces consistently quality installations
- +Strong resale value - a Trane system adds value to your home
Cons
- −Premium pricing similar to Carrier - not a budget option
- −Some older model lines have less advanced smart features than Carrier
- −Variable-speed options are limited to the highest-tier XV series

Lennox
Lennox builds the quietest and most energy-efficient HVAC systems available. Their SL series air conditioners and heat pumps achieve SEER2 ratings up to 28 - the highest in the residential market - with sound levels as low as 59 dB.
Pros
- +Highest energy efficiency ratings in the residential HVAC market
- +Quietest operation available - ideal for noise-sensitive homeowners
- +iComfort smart platform is the most advanced thermostat ecosystem in HVAC
- +Solar-ready integration for homeowners with or planning solar panels
Cons
- −Most expensive brand on our list - the SL series is a significant investment
- −Must use Lennox dealers for installation and warranty service
- −Parts are proprietary and more expensive to replace than universal components
Latest Resources
Guides, tips, and industry insights from our editorial team.
How to Choose the Best HVAC System in 2026: The Complete Homeowner's Guide
After analyzing 40+ brands, surveying 6,000 homeowners, and consulting with NATE-certified technicians, we built a step-by-step framework for choosing the right system.
How Much Does a New HVAC System Cost in 2026? Complete Pricing Breakdown
We surveyed 3,000+ recent HVAC installations to reveal what homeowners actually pay - broken down by system type, brand, efficiency level, and region.
Heat Pump vs. Furnace: Which Is Right for Your Home and Climate?
Heat pumps are the fastest-growing HVAC technology in America. But are they right for every climate? Here's a data-driven comparison with gas and electric furnaces.
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