Home MaintenanceUpdated: November 2025

When did I last change thermostat batteries?

You should change thermostat batteries every year. Forgetting to do this can lead to HVAC failure and temperature swings. Track it once and never wonder again.

TaskFrequencyIf You Forget
Change Thermostat Batteriesevery yearHVAC failure and temperature swings

Why Tracking Matters

Tasks like change thermostat batteries are easy to forget because they're infrequent. A simple log turns a fuzzy memory into a clear record you can trust, helping you avoid HVAC failure and temperature swings.

The recommended cadence is every year. Track it each time you complete it and you'll always know exactly when you last did it—and when you should do it next.

2 Signs It's Time to Change Thermostat Batteries

  • You can't remember when you last did it
  • It's been longer than every year

Can't remember the last time you did this?

Log it now and never wonder again.

Want reminders and full history?

Track "Change Thermostat Batteries" in Loglast

Free • No credit card required

How to Track It

  1. 1Locate your thermostat batteries. If it's hard to find, snap a quick photo so you'll always know where it is.
  2. 2Create a tracker for Change Thermostat Batteries and log today's date. Add a short note if anything stood out.
  3. 3Set a Nudge reminder for every year so you're prompted before it slips. (Pro feature)

Frequently Asked Questions

Why track "Change Thermostat Batteries"?

Tracking prevents forgetfulness and helps you avoid HVAC failure and temperature swings. Set it once and keep peace of mind.

How often should I change thermostat batteries?

A good starting point is every year. Adjust as needed and let Loglast remind you.

How do I know when was the last time I change thermostat batteries?

Without a log, it's easy to forget. Experts suggest every year. Loglast records each time so you'll always know the exact date.

What's a good way to track how long since I change thermostat batteries?

You can use a notebook, but the easiest way is a simple logbook like Loglast—one tap to log and optional Nudges every every year.

While You're At It...

Since you're thinking about change thermostat batteries, you might also want to track:

Stop wondering

"When did I last change thermostat batteries?"

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