Troca filtro HVAC
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
Alta uso=60d, Méd=90d, Baixa=120d
About this calculator
Regular HVAC filter replacement is crucial to maintaining air quality and system performance. The frequency of replacement depends on usage: high, medium, or low. Generally, it is recommended to replace the filter every 1-3 months.
The HVAC filter works by capturing particles and impurities in the air, such as dust, pollen, and other allergens. Over time, the filter becomes saturated and loses efficiency. The formula used to determine replacement frequency is: High usage = 60 days, Medium = 90 days, Low = 120 days.
Using the correct filter for your HVAC system is essential for efficiency and safety. Regular filter replacement also helps prevent health problems, such as allergies and respiratory diseases.
When replacing the HVAC filter, it is vital to ensure the new filter is correctly installed and the system is functioning properly. Additionally, regular filter checks are recommended to ensure it is working effectively.
Frequently asked questions
How often should I replace my HVAC filter?
Replacement frequency depends on usage: high (60 days), medium (90 days), or low (120 days).
What are the benefits of regular HVAC filter replacement?
Improves air quality, increases system efficiency, and prevents health problems.
How do I know if my HVAC filter is working correctly?
Regularly check the filter's condition and ensure it is correctly installed.
Can I use any type of HVAC filter?
No, it is essential to use the correct filter for your HVAC system to ensure efficiency and safety.
What happens if I don't replace my HVAC filter?
It can lead to health problems, reduce system efficiency, and cause equipment damage.