Choosing the right HVAC system is an excellent way to reduce energy costs while improving indoor comfort. Energy-efficient HVAC systems are now widely available, helping families keep a comfortable home, lower their utility bills and minimize their environmental impact.
Methodology for Ranking HVAC Brands
The team analyzed each brand in this list using the following criteria:
- Energy-efficiency ratings: Seasonal Energy Efficiency Ratio (SEER and SEER2), Heating Seasonal Performance Factor (HSPF and HSPF2) ratings and ENERGY STAR certification
- Technology: Advanced energy-saving technologies, like inverters and variable-speed components
- Product selection: Broad range of HVAC solutions, components and systems
- Customer satisfaction: Reviews, provider reliability and service accessibility
- Durability and warranty: Build quality, lifespan and warranty coverage
The 9 Best HVAC Systems for Energy Efficiency
If you are looking for an HVAC provider that prioritizes energy efficiency, consider these companies.
1. IWAE
Ingram’s Water & Air Equipment (IWAE) is a trusted name for homeowners who want both energy efficiency and expert guidance. The company specializes in providing a wide range of HVAC systems for energy efficiency, each engineered for performance and savings.
IWAE’s experience and commitment to customer satisfaction set it apart. It has served customers for over 30 years, and currently implements the Ingram’s Touch Guarantee – if a customer is not 100% satisfied with their product or service, they will do their best to make it right.
Key Features
- Wide selection of ENERGY STAR, SEER2 and HSPF2-rated systems
- Free lifetime tech support for products purchased from them
- Transparent pricing
2. Johnstone Supply
Johnstone Supply is a well-established distributor offering an extensive range of HVAC products from top brands. The company focuses on well-curated solutions for various settings, including residential HVAC systems.
Aside from its comprehensive product selection, Johnstone Supply is also known for its deep industry expertise. It provides extensive training to HVAC technicians and store staff, ensuring quality service for customers.
Key Features
- Wide selection of energy-efficient HVAC brands
- Nationwide availability through local branches
- Strong professional support and technician training
3. Winsupply
Winsupply offers homeowners access to a diverse range of HVAC products from leading brands. Its national industry network allows it to help customers find efficient HVAC systems that match their budget and indoor climate needs.
With nearly 670 local wholesalers in 45 states, Winsupply makes it easier for homeowners to source efficient and durable HVAC systems, backed by dependable support.
Key Features
- Access to multiple energy-efficient HVAC brands
- Nationwide presence for localized service
- Flexible solutions for different home and budget requirements
4. Carrier
Carrier is one of the most established HVAC manufacturers in the industry. Known for pioneering modern air conditioning, the brand continues to deliver high-quality and energy-efficient products.
Homeowners choose Carrier for its reliable performance and quiet operation at reasonable prices. The brand is also consistently innovating its energy efficiency features, leading to real savings.
Key Features
- SEER2 and HSPF2 ratings for maximum energy efficiency
- Newer systems work with smart thermostats
- Over a century of HVAC experience and innovation
5. Trane
Trane has a strong reputation for building some of the most durable HVAC systems in the market. Its high-efficiency units leverage variable refrigerant flow systems and advanced heating and cooling solutions to ensure indoor comfort and air quality.
Its energy-efficient, quiet and innovative HVAC systems for energy efficiency and long-term reliability. The company offers flexible warranty options to protect your investment throughout its lifetime.
Key Features
- Industry-leading durability and warranty protection
- Diverse range of HVAC products and systems
- Flexible financing options
6. Lennox
Lennox is another popular HVAC system provider, serving residential and commercial applications. Its residential line is known for its energy efficiency and quiet operation, ensuring homeowners’ comfort and overall sustainability.
Many Lennox products have ENERGY STAR certification, and its online shop clearly labels its SEER and SEER2 ratings. This makes shopping for energy-efficient components easier.
Key Features
- ENERGY STAR certification on most systems
- Continuous, sustainability-oriented innovation
- Flexible financing to fit various budgets
7. Daikin
Daikin is a global HVAC leader with a strong focus on energy efficiency and adaptability. Its most popular systems use inverter-driven technology to adjust performance according to your real-time needs, minimizing energy waste.
The products’ quiet and efficient operation suits nearly any home, from small studios to larger houses. Daikin also offers generous warranties that serve as a testament to quality manufacturing.
Key Features
- Limited warranty protection of up to 20 years
- Prominent manufacturer of inverter-driven systems
- Works with trained and experienced installation technicians
8. Reece
Reece provides a wide range of HVAC solutions to meet diverse customer needs. The company partners with top manufacturers to offer customizable and energy-efficient HVAC systems for residential and commercial use.
Aside from quality products, homeowners can benefit from Reece’s technical support and access to professional installation services.
Key Features
- Expert installation and maintenance partnerships
- ENERGY STAR-certified HVAC options
- Customizable systems suited to various household needs
9. American Standard
American Standard has a long-standing reputation for delivering reliable and efficient HVAC systems for homeowners across the country. The brand focuses on consistent comfort and energy efficiency for an ideal home environment.
Through the years, American Standard has developed a loyal customer base due to its commitment to quality and dependable service. Its reliable products and helpful customer care associates make managing your indoor environment easier.
Key Features
- Energy-efficient heating and cooling units
- Helpful and reliable customer service
- Award-winning products and HVAC systems
How to Choose the Right Energy-Efficient HVAC System Provider
The right HVAC provider ensures your new system performs optimally. Here is what to consider when selecting a company for your home’s HVAC setup.
Assess Your Home’s Needs
Before comparing systems, start by assessing your home. Factors like square footage, insulation, ceiling height and window positioning can influence your indoor climate and the type of HVAC system your home will need.
Many reliable providers will perform consultations for you or ask about your home prior to purchase. This step ensures you get the right equipment to create an optimal and energy-efficient indoor climate for your space.
Look for Efficiency Ratings
Efficiency ratings indicate how much energy an HVAC system uses to maintain comfortable temperatures. Higher ratings typically result in lower energy costs over time. When looking for a provider, ask about the energy efficiency ratings of their products.
The ENERGY STAR is one of the most popular certifications – products with this credential have undergone independent testing to prove their energy efficiency and reliability. Other metrics include the SEER, SEER2, HSPF and HSPF2 ratings.
Evaluate Installation Experience
Proper installation is crucial to system efficiency. Even advanced HVAC units might underperform if installed incorrectly. Choose a provider with certified and experienced technicians who follow manufacturer specifications and building codes.
Ask how long the company has been in business. Decades of experience often mean more established systems and experienced technicians. This time has allowed the company to develop more efficient and customer-friendly workflows, ensuring customer satisfaction and quality workmanship.
Verify Credentials
Before signing a contract, check if the provider and its technicians hold the proper licenses and permits required by your state. These credentials ensure the company meets professional and safety standards.
For example, the North American Technician Excellence (NATE) certification indicates industry-recognized training and expertise. Affiliations with recognized industry organizations, such as the Air Conditioning Contractors of America (ACCA) and the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), also show a commitment to professional excellence.
Check the Reputation
A provider’s reputation can say a lot about reliability and service quality. Look for customer reviews, testimonials and case studies that reveal real experiences with a company’s installation, communication and after-sales support.
Pay attention to how the company responds to positive and negative feedback. A provider that addresses issues promptly and transparently is likely to be trustworthy. Asking directly for references from past clients can also help verify customer satisfaction and consistency.
Compare Quotes and Warranties
Communicate with various providers and ask for multiple quotes before making a decision. A detailed proposal should include system specs, labor costs, warranty terms and other additional fees. Review warranty options carefully, as these terms provide peace of mind and protection from future expenses.
An item’s price is only one factor of the total cost. Evaluate the total value and reliability of the system and the provider’s service.
Types of Energy-Efficient HVAC Systems
Understanding the main types of HVAC systems for energy efficiency helps homeowners choose the one that best fits their comfort needs, budget and home layout. Each type operates differently, but can improve energy savings with proper installation and maintenance.
Central Air Conditioning Systems
Central air conditioning systems are a popular choice for cooling the entire home. They rely on a network of ducts to distribute cool air evenly throughout your space. Modern systems use variable-speed compressors to ensure optimal performance while consuming less energy.
When paired with a programmable or smart thermostat, these systems can maintain consistent temperatures with less effort and waste.
Ductless Mini-Split Systems
Ductless mini-split systems offer an efficient alternative for homes without existing ductwork. Multiple indoor air handlers can connect to one outdoor unit, allowing homeowners to heat or cool individual rooms independently.
The lack of ducts results in less energy loss, making these systems more efficient and flexible. The zone-based temperature control reduces wasted energy in unused rooms. Ductless systems are ideal for older homes or room additions to existing structures.
Heat Pumps
Heat pumps are among the most efficient HVAC options available today. Instead of generating heat, these systems move heat from one place to another, using electricity far more efficiently than traditional radiators or air conditioners. Modern heat pumps can provide both heating and cooling, making them an ideal choice for year-round climate control.
Hybrid Heating Systems
Hybrid systems combine the efficiency of an electric heat pump with the power of a traditional gas furnace. The system can automatically switch between energy sources depending on outdoor temperatures. This flexibility ensures comfortable indoor conditions and energy savings throughout the year.
Packaged HVAC Systems
Packaged systems integrate all major heating and cooling components into a single unit. This compact design saves indoor space while simplifying installation and maintenance. These systems are ideal for homes with limited space. Models that use variable-speed fans can further enhance energy efficiency.
Maintenance Tips for Peak HVAC Efficiency
Even energy-efficient HVAC systems require regular maintenance to operate smoothly and extend their lifespan. Following some best practices for upkeep can help you enjoy comfortable indoor climates and lower energy bills all year long.
Duct Sealing and Inspections
Leaky ducts can be a significant source of energy loss in central HVAC systems. Warm or cool air can escape through gaps, forcing your system to work harder and reducing its efficiency. Schedule regular duct inspections to identify leaks or blockages. Proper sealing and insulation can enhance system efficiency and ensure consistent performance throughout every room in your home.
Strategically Adjusting Thermostat Settings
Minor thermostat adjustments can help with energy savings. During the summer, set your thermostat at a comfortable temperature when you are home and a few degrees higher when you are away. You can use the same settings in the winter. Lower your thermostat slightly during sleeping hours or when the house is empty. A smart or programmable thermostat can help you automate this practice.
Regular Filter Changes
Dirty air filters restrict airflow, which forces your system to use more energy to maintain your desired temperature. When left alone, they can increase utility costs, strain system components and shorten equipment lifespan. Replace or clean your filters according to the manufacturer’s recommendations and your home’s environment. For example, if you have a lot of pets or live in a dusty area, you may need more frequent replacements.
The Benefits of an Energy-Efficient HVAC System
These are the benefits you can expect from investing in an energy-efficient HVAC system:
- Minimize costs: Efficient systems reduce monthly energy bills and can help you qualify for tax incentives and rebates.
- Ensure reliability: Quality systems operate smoothly with fewer breakdowns, extending the lifespan of your equipment.
- Improve indoor air quality: Advanced filtration and humidity control help maintain healthier indoor air.
- Enhance comfort: High-quality systems maintain consistent temperatures with minimal fluctuations.
- Reduce carbon footprint: Lower energy use translates into fewer greenhouse gas emissions, supporting sustainable living.
Partner With a Trusted Provider
Modern HVAC technology gives homeowners more control and comfort than ever. Choosing an efficient system with the right provider ensures you get year-round comfort while reducing your energy bills and carbon footprint.
