The Thermostat 'Goldilocks' Zone
Impact
High
Difficulty
Easy
Speed
Instant
Your thermostat is the remote control for your biggest monthly expense. Treat it with respect, and it'll treat your wallet with kindness.
Most experts recommend setting your thermostat to 68°F (20°C) in the winter while you're home and awake. When you're sleeping or away, dropping it by 10-12 degrees can save you up to 10% a year on your heating bills. In the summer, aim for 78°F (25°C) and use fans to stay comfortable. Every degree you move away from these 'sweet spots' can increase your energy costs by 3% or more.
It sounds like a small difference, but over a month of 24/7 operation, those degrees add up fast. The key isn't to be uncomfortable—it's to find the 'Goldilocks' zone where you're just right. Throw on a cozy sweater in the winter or use a 'chill pad' at night in the summer. Being a few degrees smarter about your settings is the easiest way to keep hundreds of dollars in your pocket every year!
Quick Check Before You Try This
Use this tip as a practical starting point, then check whether it fits your home. The right answer can change with climate, utility rates, equipment age, household routines, and whether you rent or own.
| Check | Why it matters |
|---|---|
| Your actual bill | A high-impact tip in one home may be minor in another. |
| Equipment age | Older appliances and HVAC systems often waste more energy. |
| Comfort tradeoff | A good energy habit should not make the home harder to live in. |
| Safety or warranty limits | Electrical, HVAC, plumbing, and appliance work should stay inside manufacturer and code rules. |
For a broader next step, browse the EnergyBS guide library and compare this hvac tip with a full article before making a paid upgrade.