Can I replace my thermostat myself without professional help?

Yes, you can replace a basic like-for-like thermostat yourself. For smart models or unclear wiring, use a pro to avoid damage and compatibility issues. Gold Star installs and services programmable and smart thermostats, with integration for ductless, heat pumps, and central AC in Hicksville and nearby. Free estimates are available. Our $179 diagnostic is waived with repair. 24/7 service is available.

• Shut off power at the breaker.
• Photograph and label wires; confirm a C-wire if needed.
• Mount, reconnect, and run setup.

<br/> Updated: 2025-12-27 <br/>

Need help in Garden City, NY? Call (516) 200-4014 or book online.

"They also got my existing 3rd generation Nest thermostats working properly by running a common wire from a transformer." — Pete L.