Finding the right temperature for your air conditioning system during summer isn't just about comfort—it's about efficiency, savings, and extending the life of your HVAC equipment. According to the latest 2025 Energy Star recommendations, strategic thermostat settings can help you slash cooling costs while maintaining a cool, livable home environment. Whether you’re adjusting your daily habits or upgrading your system with wholesale HVAC equipment from The AC Outlet, here’s what you need to know about setting your AC this summer.
Best Thermostat Settings for Summer Comfort and Efficiency (2025)
Energy Star recommends setting your thermostat to:
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78°F (26°C) when you’re home and awake
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85°F (29°C) when you’re awayz
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82°F (28°C) when you’re sleeping
These settings strike the perfect balance between comfort and energy savings, especially during peak summer heat. The higher the interior temperature, the slower the rate of heat gain—meaning your air conditioning system doesn’t have to work as hard.
Tip: Use a programmable or smart thermostat to automate these changes based on your daily routine.
Why These Settings Matter for Your Air Conditioning System
When your AC runs less often or doesn’t have to maintain overly low temperatures, it reduces wear and tear. That translates into:
- Lower energy bills
- Less frequent repairs
- A longer lifespan for your HVAC equipment
It’s especially important if you’ve recently invested in wholesale HVAC equipment like upgraded condensers, air handlers, or split systems from The AC Outlet.
Factors That Can Affect Ideal Thermostat Settings
While Energy Star’s guidelines are a great baseline, every home is different. Your ideal setting might vary depending on:
- Home insulation & sealing
- Window exposure & shading
- Ceiling fan usage
- Your AC system’s size and efficiency rating
Bonus: Combine Temperature Settings with Other Energy-Saving Strategies
Smart temperature control is just one part of the equation. For a full breakdown of seasonal energy efficiency strategies:
Read our 6 Spring and Summer Energy-Saving Tips blog
Upgrade with Wholesale HVAC Equipment from The AC Outlet
If you're adjusting settings but still not seeing results, your AC might be outdated. Browse The AC Outlet for wholesale HVAC equipment, from smart thermostats to complete air conditioning systems tailored for summer efficiency.
We offer nationwide shipping, competitive pricing, and expert support—making us the go-to resource for both DIYers and contractors looking to save on top-quality HVAC products.


