Blog

• How often should you change your air filter?

  A practical interval for HVAC filters, and how to remember it.

• How to remember birthdays

  Systems that work when you will not open a calendar that morning.

• How often should you change your car oil?

  Miles vs months, and a reminder when you do not track either well.

• When to replace smoke detector batteries

  Twice a year, plus when the unit itself is too old.

• How to remember subscription renewal dates

  Set the cancel reminder the day you start the trial, not the day you get charged.