Set Up a Smart Thermostat to Save on Energy Bills

by | Jan 29, 2025 | Smart Home Mastery

Smarter temperature control = lower monthly costs.

If you’re tired of skyrocketing energy bills and constantly fiddling with your thermostat, it might be time to make the switch. A smart thermostat not only puts the power of your home’s climate in your hands—it can actually help you save real money.

Whether you’re tech-savvy or just thermostat-frustrated, here’s how a smart thermostat works, why it’s worth the investment, and how to set one up without breaking a sweat.

What Is a Smart Thermostat, Exactly?

A smart thermostat connects to your Wi-Fi, allowing you to control your home’s temperature remotely—from your smartphone, smart speaker, or even with your voice. It can learn your schedule, adjust automatically, and optimize energy use based on your habits.

In other words: it keeps your home comfy without wasting energy.

How a Smart Thermostat Saves You Money

According to ENERGY STAR, a smart thermostat can save you about $50–$100 per year, depending on your habits and home setup. Here’s how:

  • Automatic scheduling: No more heating or cooling an empty house.

  • Geofencing: Detects when you’re home or away and adjusts accordingly.

  • Remote control: Forgot to turn down the heat before vacation? Do it from your phone.

  • Energy usage reports: See what’s costing you—and adjust.

  • Weather adaptation: Some models tweak temperatures based on local weather data.

Best Smart Thermostat Options

Here are a few standout picks:

🔹 Google Nest Thermostat (or Nest Learning Thermostat)

  • Sleek design and intuitive learning features.

  • Automatically builds a schedule over time.

  • Integrates with Google Assistant, Alexa.

🔹 ecobee Smart Thermostat Premium

  • Includes room sensors for more accurate control.

  • Built-in Alexa and air quality monitoring.

  • Great for homes with multiple zones.

🔹 Amazon Smart Thermostat

  • Budget-friendly and easy to install.

  • Ideal if you’re already in the Alexa ecosystem.

What You’ll Need Before You Start

✅ A Wi-Fi connection
✅ A compatible HVAC system (most are)
✅ A C-wire (common wire)—some thermostats include adapters if you don’t have one
✅ A screwdriver and a little patience

How to Install a Smart Thermostat (Step-by-Step)

Note: Always turn off power to your HVAC system before you start.

1. Take a photo of the existing wiring.

Trust us—this will be helpful later.

2. Remove the old thermostat.

Unscrew the baseplate and gently disconnect the wires.

3. Install the new baseplate.

Follow the included guide to attach the new base and connect the wires.

4. Mount the new thermostat.

Attach it to the baseplate and restore power.

5. Download the app and connect to Wi-Fi.

Each brand has its own app (Nest, ecobee, etc.). Follow the in-app steps to finish setup and start controlling remotely.

Create Smart Schedules and Automations

Once it’s installed, don’t stop there. Set up routines to save even more:

  • Weekday/weekend schedules: Customize based on when you’re home.

  • Geofencing: Let your phone tell the thermostat when you’ve left.

  • Voice control: Say “Set the temperature to 70 degrees” and you’re done.

Bonus: Many smart thermostats offer seasonal energy-saving suggestions to help you cut even more off your bill.

Pro Tips to Maximize Savings

  • Set your thermostat to 68°F (20°C) in winter and 78°F (25°C) in summer when you’re home.

  • Use eco mode or “away mode” when no one’s around.

  • Take advantage of energy reports to tweak your habits.

  • Use room sensors (with ecobee or Nest) to balance temperatures across your home.

Comfort That Pays Off

A smart thermostat is one of the simplest, most effective upgrades you can make to your home. It’s not just a gadget—it’s an investment in lower bills, smarter energy use, and a more comfortable space.

Whether you’re eco-conscious, budget-minded, or just love the idea of managing your home from your phone, this is a smart move—literally.