Modern air conditioners boast superior energy efficiency over older models—but are new systems really that much better?
At Kearney, our NATE-certified technicians will only recommend a replacement if it truly makes sense for your home, comfort needs, and budget. We install high-performance HVAC brands, like Mitsubishi Electric, to help local homeowners maximize energy savings without sacrificing comfort.
In this guide, we explain what makes an air conditioner energy efficient and whether it makes sense to upgrade your AC.
Signs It Might Be Time to Replace Your AC
Before you start shopping, look for these telltale signs your current system may be ready for retirement:
- Frequent repairs that are starting to cost more than the system is worth
- Rising energy bills despite no change in usage
- Uneven cooling or certain rooms never feeling comfortable
- Excess humidity in your home during the summer
- An AC system that’s 10–15 years old or older
Understanding Air Conditioner Efficiency
Modern air conditioners are rated by their Seasonal Energy Efficiency Ratio (SEER), which measures how much cooling you get for the amount of energy you use. Simply put, the higher the SEER rating, the more efficiently your AC operates. A rating of 14.5 SEER and above meets today’s minimum standard for energy efficiency, and 20+ SEER offers exceptional efficiency.
Upgrading to a high-SEER system has many benefits. It can lead to:
- Less energy usage and lower AC bills
- Quieter operation compared to older, single-speed units
- More consistent temperatures with fewer hot and cold spots
- Reduced environmental impact thanks to less energy consumption
Why Are Modern Air Conditioners More Efficient?
New ACs achieve substantial energy efficiency thanks to several technological advancements:
- Inverter and Variable-Speed Technology: Unlike older units with “full blast or off” cycles, inverter-driven compressors and variable-speed fans adjust output to match your home’s cooling demand. This means fewer energy spikes and more consistent comfort throughout the day.
- Advanced Refrigerants: Today’s systems use eco-friendly refrigerants that transfer heat more efficiently, cooling your home faster with less electricity.
- Smarter Controls: Many units offer Wi-Fi connectivity and smart thermostats for precision temperature management and remote diagnostics.
Consider Your Home Cooling Options
When it’s time to upgrade, you have more choices than ever before. Our team can help you compare them to find the best choice for your home. Kearney HVAC offers:
Central Air Conditioners
- Delivers whole-home cooling through your existing ductwork
- Best for consistent comfort in larger homes
- Reliable and familiar for many homeowners
Central Heat Pumps
- Provides both efficient cooling in summer and heating in winter
- Uses all-electric operation to move heat rather than generating it
- Connects to your home’s existing ductwork
Ductless Mini Splits
- Flexible zone-by-zone comfort that’s perfect for additions or older homes without ductwork
- Whisper-quiet and highly efficient operation
- Precise temperature control in individual rooms
Why Choose Kearney for Your AC Upgrade?
Local expertise, advanced products, and high-quality installation set Kearney apart for North Shore, MA and Seacoast, NH homeowners. When you choose us as your AC installer, you get:
- High-Performance Installations: Our NATE-certified technicians ensure every system is sized and installed for peak energy efficiency.
- Access to Incentives: We’re a participating contractor in several incentive programs, giving you access to Mass Save® rebates, NHSaves®, and affordable financing.
- Tailored Solutions: From large homes to unique spaces, Kearney designs comfort plans to match your needs.
Ongoing Support: Preventative maintenance agreements and fast, reliable service keep your AC system running efficiently season after season.
