Conditions may vary, but its recommended that paper air-filters be replaced every 30 days.

Also its recommended that air ducts be cleaned every 12-14 months. 

Top 5 Reasons to have your Air Ducts cleaned. 

1. Pets - produce dander, shed fur, carry outside dust or debris into your home
2. Reduces the effect of allergies or asthma 
3. Helps the furnace work more efficiently
4. Helps reduce the time "dusting" furniture 
5. Breathe cleaner air 

Take a Look at these Before and After pictures 

Call Today for your FREE estimate - Office (505) 298-6682