The question ledger
Frequently asked questions
Who are these courses for?
They are for adults who want a clearer routine for common household or small-office filter tasks and better preparation for conversations with professionals.
Do the courses replace professional HVAC advice?
No. Lessons provide general education and observation practices. Follow equipment documentation and seek qualified advice for faults, repairs, electrical work, or uncertain conditions.
How do I choose a course?
Start with Air Filter Replacement Orientation if you want vocabulary and sequence. Use the catalog filters to find selection, installation, routine, or communication topics.
What equipment is covered?
Examples include return grilles, furnace compartments, portable air-cleaning equipment, ceiling access points, and multiple-location household routines.
Can I save courses for later?
Yes. Choose Track in the catalog. Saved IDs remain in your browser’s localStorage and appear on the Fallows page.
How does the cart work?
Add lessons to the local browser cart, adjust quantities, and review the subtotal. No payment is processed by this demonstration website.
How often should a filter be changed?
Timing varies by equipment, filter type, household conditions, and manufacturer guidance. Use the equipment documentation and observations rather than a universal promise.
Can I ask for help before enrolling?
Yes. Use the contact form with your context and question; our team can explain course scope without diagnosing equipment.