I'm considering getting my home's air ducts cleaned, but I'm unsure if it's really necessary or worth the investment. I've heard mixed opinions on whether dallas air duct cleaning actually improves indoor air quality and HVAC system efficiency. Can anyone share their experiences or insights on this? How often should air ducts be cleaned, and what are the potential benefits? Also, any recommendations for reputable duct cleaning services in the area? I want to make an informed decision and ensure the health and comfort of my family. 

Thanks in advance for any advice you can offer!