10/23/2026
Yep, this is a real filter we pulled out of a customer's unit this week. 😬
If you can't remember the last time yours was changed or cleaned, it's time for a cleaning and service.
Winter is coming in hot (or rather, cold). Right now is the best time to get your system looked at, so you're not stuck in the cold on some random freezing night when your unit quits heating.
A dirty filter chokes off airflow, makes your system work harder, and can run your energy bills up along the way. Regular service helps keep things running the way they should.
Give us a call at 406-293-8026 to book your cleaning today.
Book online: https://book.housecallpro.com/book/Columbia-Mountain-Mechanical/224a6da0f978457d921004e8d490cbfa?v2=true
Website: columbiamountainmechanical.com