Featured Services


Indoor air quality (IAQ) refers to the cleanliness and environmental comfort of the air within your home's air conditioning system and duct work.

Some of our residential services include cleaning:

  • Air Conditioning Systems
  • Exhaust Systems
  • Dryer Vents
  • Chimneys

Commercial / Industrial

Gillit's Duct Cleaning specializes in commercial cleanings not just for maintenance, but also during renovations and new construction.

Some of our commercial customers include:

  • San Antonio Police Academy
  • Southwest Research Institute
  • Rudy's BBQ
  • Lackland Air Force Base
  • Fort Sam Houston Army Base



Gillit's Duct Cleaning is committed to curing the problem, not treating the symptoms. If your air ducts are in need of cleaning, it only stands to reason that the entire system should be thoroughly cleaned and treated to kill any molds, mildews and micro-organisms which may be in your Air Conditioning system. 

Our free price quotes include cleaning of the return air, unit interior (blower fan, heat exchangers, combustion chamber, and coils), air plenums, all supply ducts, grills and registers. Air Systems Cleaning Specialist (ASCS) On Staff Ventilation System Mold Remediation (VSMR) On Staff