Each month
Inspect your filter and look for changes in airflow, sound, or comfort.
DS VALLEY
The comfort journal
Practical tips for AC care, annual heating checks, and informed decisions about your system.
THE COMFORT JOURNAL
A little know-how.
A more comfortable home.
HOME COMFORT / FIELD NOTES
Keep your cool. Keep your AC cared for.
Simple habits that support airflow and help avoid unnecessary strain.
Read the guide ↗
HOME COMFORT / FIELD NOTES
Before the first chilly morning.
Your annual heating checklist: what to check and what to leave to a technician.
Read the guide ↗
HOME COMFORT / FIELD NOTES
Repair or replace? Start here.
A practical way to think about comfort, repair history, and your next system.
Read the guide ↗A simple seasonal rhythm.
Before summer
Plan a cooling inspection and follow the equipment maintenance schedule.
Before winter
Arrange heating service and test carbon monoxide alarms as instructed.
Further reading: ENERGY STAR maintenance checklist · ENERGY STAR heating and cooling guidance. Always follow your equipment manufacturer’s instructions.