Zion Custom Air takes a holistic approach to diagnose your heating, air conditioning, and ventilation system. Air ducts are an integral part of your system that often gets overlooked. According to the US Department of Energy, most systems leak between 20-30% of conditioned air due to improper sealing. The air ducts in your home act as conduits to provide heating, air conditioning, and ventilation to room and spaces. They are used to deliver supply, return, or exhaust air for your heating, air conditioning, and ventilation system. It is important that these are installed and sealed properly to ensure the maximum efficiency of your system. Our experts take meticulous care in any installation or replacement of your air ducts. Additionally, we provide duct testing so that you can have peace of mind that your ducts are running at their highest efficiency.  Zion's meticulous workmanship in designing and sealing ductwork has proven to make your home more energy-efficient, comfortable, and safe. Our clients' concerns are our number one priority. 




  • More dust than usual in your home

  • Allergies flaring up in your home

  • A noticeable reduction in indoor air quality (IAQ), (increase in dust, allergens, and/or other contaminants)

  • Hot and cold in spots in your home

  • A reduction in the airflow coming out of your vents

  • Noisy heating and air conditioning system

  • Higher energy bills

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We Are Honest

Our service technicians at Zion Custom Air are precision experts in residential heating, air conditioning, and ventilation. We are transparent. We do not have "hidden costs," and never complete any work without prior approval. We will inform and educate, if our clients so wish, as to what the issue is, each step needed to perform the required service, and will also provide any necessary tips that may help prevent future issues.  Whether you are looking to install a new ductwork system or maintain or repair your current system, you can trust Zion Custom Air to have the knowledge to get the job done right.

We Take Pride In Our Work

With our meticulous workmanship, Zion Custom Air treats your Palmdale, Lancaster, or Santa Clarita home with the utmost of care. Our work is clean, precise, and we never cut corners nor leave any screw unturned. Every part of your ductwork is thoroughly inspected. Our thoroughness aims to find the root cause or predetermining factors that may prevent future issues from arising in your equipment. This is the kind of customized care we provide in order to uphold the highest standards of service.  

We Help You Save Money

Who doesn't love a good deal? We try to find the lowest price for equipment and parts so that we can pass the savings onto our clients. In addition, by performing the job right the first time, we help you save time and money from having someone come out twice for the same issue. Our vehicles are fully stocked; we carry many of the parts needed for most repairs and maintenance of prevalent heating and air conditioning brands. This is so that we can get our clients up and running quickly with very little downtime. Furthermore, we like to offer multiple solutions with varying price points if at all possible in order to keep your costs low to preserve your finances, bottom-line, and budget. With Zion Custom Air, you get the best at a price you can afford. 

We Offer The Best Value

We do more for the same rate as other companies. Our customized full-service is the best in the industry. We stay current on all of the latest tools and technology to give the most thorough and comprehensive analysis of your residential HVAC system at no additional cost. When using Zion Custom Air for service, diagnostic fees are applied towards all repairs performed at the time of visit. By being available for emergency services 24/7, you can be sure that your heating and air conditioning issues will be solved quickly and efficiently. Give us a call first, and you'll never need to call anyone else. 

We Value Every Client

We believe that comfort is not "one size fits all."  This is why we customize our service based on the needs of each individual homeowner in order to build long-lasting relationships. We couldn't do what we do without you. 

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Comfort Systems - Built To Last  

Santa Clarita | Palmdale | Lancaster




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License C20-940765 | Insured | Bonded