We do not sell parts or give quotes over the phone** Depend on DD Mechanical Services for All Your HVAC and Air Purification/Cleaning Needs! From repairs on any make and model to sales and installation, we offer the quality service and affordable prices you need to keep your family and home comfortable. And if you have special needs, we offer a variety of air filtration products that can make your home hospital-clean and sanitized. Known to be a leader in the air conditioning and heating and indoor air quality business,DD Mechanical Services is regarded as one of the top air conditioning and heating contractor in the area. Innovative and knowledgeable in the HVAC market, we can bring to your home, indoor air quality not surpassed by any other contractor. Coolness,comfort and reliability is our trademark. As a quality conscious contractor we can make your home comfortable,energy efficient and clean all year long. A long time member of The Better Business Bureau we feature name brands such as Frigidaire, Frigidaire"IQ drive" (rated Best Buy in Air Conditioning 2009), Trane "XLi", American Standard "Allegiance" and many more. We service from the Spring area south to Richmond/Rosenberg area Southwest to the Columbus area to the west. This includes Katy, West Houston, Ft. Bend County, Austin County and Waller County areas. We offer a solution to cleaner air in your home with devices such as the Enviromax 1 Year Filter, Triad and Versalight UV Lights, Trane and Amerivcan Standard Clean Effects, Accuclean Electronic Air Cleaners and the Guardian Air Pro Air Purification System by R.G.F. Inc. Let us show you how we make your room temperature comfortable and air clean all year-round.. Furnace Repair, Commercial Air Conditioning, Install Thermostats, Repair Thermostats, Air Pollution Control, Air Duct Cleaning, Window Air Conditioners, Air Ducts, Air Filters, AC Compressors, Air Conditioners, Thermostats, Central Air Conditioning, Wall Air Conditioners