Residential Split-System Air Conditioners
Routine Self-Cleaning
Filter Cleaning: Every 1–3 months for typical households; once a month during peak summer usage; every 2 weeks for homes with pets or those located in dusty, street-facing areas.
Basic Exterior Cleaning: 1–2 times a month; wipe down the casing and clear dust from air outlets and drainage holes.
Professional Maintenance
Standard Maintenance: Every six months; schedule service before the start of the cooling and heating seasons.
Deep Maintenance: Every 2–3 years; professional cleaning of internal core components such as the evaporator and condenser.
Outdoor Unit Maintenance: Every 3 years; cleaning of the heat exchanger and fan, plus an operational status check.
Residential Central Air Conditioning
Routine Self-Cleaning
Filter Cleaning: Remove and rinse filters every 1–3 months; increase frequency for dusty environments or homes with pets.
Professional Maintenance
Routine Maintenance: At least 1–2 times a year; perform basic maintenance before the start of the cooling and heating seasons.
Deep Maintenance: Every 2–3 years; comprehensive cleaning of the entire unit and system operational testing.