Better air starts
with the AHU.
Focused maintenance, cleaning, filter service, and ventilation-side troubleshooting for air handling units.
Care for the equipment that moves the air
Warm November focuses on the ventilation side of air handling units: inspection, cleaning, filters, fans, belts, dampers, and airflow concerns.
AHU Maintenance
Routine air handling unit care focused on airflow, cleanliness, and dependable operation.
Filter Service
Filter checks and replacement for compatible residential and light-commercial AHUs.
Fan & Belt Service
Accessible fan, pulley, and belt checks for belt-driven air handling equipment.
Airflow & Dampers
Ventilation-side checks for accessible dampers, grilles, and obvious airflow restrictions.
AHU Cleaning
Focused cleaning of accessible AHU cabinet areas and ventilation-side components.
Ventilation Inspection
A practical review of the AHU and connected ventilation path before planning service.

Follow the air path. Find the practical next step.
An AHU brings together filters, fans, dampers, cabinet sections, and duct connections. We keep the service focused and explain what is visible.
- 01Listen to the concern
Start with the space, the equipment, and what has changed.
- 02Inspect the ventilation side
Review accessible filters, fan sections, dampers, cabinet areas, and obvious restrictions.
- 03Define the next step
Complete the agreed work or recommend the appropriate licensed trade when the issue is outside scope.
Warm November does not advertise refrigeration, gas, or regulated electrical work. Those needs are referred to appropriately licensed providers.
Calgary-based.
Ventilation-focused.
AHU service for homes, multi-unit properties, and selected small commercial sites in Calgary and communities within approximately 200 km.
Equipment and travel scope are confirmed before booking.