Amid the concerns regarding the spread of COVID-19, the health and safety of our customers and employees are top of mind. It is our honor and privilege to serve you and we want to assure you that we are taking all necessary steps to continue to operate safely and effectively.

  • - Our technicians are prepared with masks, gloves, and we disinfectant surfaces when necessary
  • - All staff are asked to stay home if they have symptoms
  • - All staff wash and sanitize hands regularly
  • - We are no longer shaking hands/physical greetings
HVAC Services in San Antonio, TX
ASC Heating & Air

HVAC & AC Service in San Antonio, TX

ASC Heating & Air has been serving San Antonio for over 20 years. We specialize in HVAC and air conditioning repairs.

ASC Heating and Air has been in the business of repairing heating and cooling units in beautiful San Antonio, TX for over 20 years. Our company focuses on making our customers world a better place one comfortable climate controlled home or office at a time. Our customers benefit from our skill and knowledge, all of our technicians are top notch, highly trained and certified HVAC experts. 

When you are looking for an HVAC company to solve your heating and cooling problems, you want a reputable and upstanding company that you can trust. We are family owned and operated and we pride ourselves on hiring only the friendliest, skilled and knowledgeable technicians and staff.

Our team is always up to date on HVAC units new and old. We service and sell HVAC heating and cooling units in San Antonio and the surrounding areas. If you are looking for an air conditioning repair company you can trust, look no further than ASC Heating & Air.


Having an out of service unit is never a good thing, but rest easy our team of highly trained service technicians can complete your air conditioning repair quickly and efficiently. We will have your A/C unit back up and running as quickly as possible, so that you can one again escape the summer heat and enjoy cool air conditioning. 


If you end up with the unfortunate task of having to replace your current air conditioning unit, let ASC HEating & Air guide you through the process . We don’t want you throwing your money away if it makes better sense to replace your exhausted failing unit with a new HVAC unit. Our team will help you navigate the available options and help you with planning and purchasing an HVAC system that will suit your home perfectly. Our team handles everything, from the replacement and installation of the new HVAC system, to the hauling and disposal of the old unit.


ASC Heating & Air always recommends regular preventative maintenance and care for your existing air conditioning unit. With regular maintenance service your A/C’s longevity is greatly improved simply because belts are replaced BEFORE they become problematic, dirt and debris is removed so that the parts are able to run optimally, and lubrication is applied to keep things moving freely. 


When the sharp bite of winter is upon us even San Antonioans feel it. If you are in need of heating repair in the San Antonio area ASC Heating and Air is available for your urgent repair needs. While we enjoy more mild weather than other regions – having working heat in the home is one of those luxuries we all enjoy for our comfort.

We offer emergency repair services because we know how important it is to have your HVAC heating working when you need it. Call our office to schedule your heating repair call today. 


Having annual HVAC maintenance on your heating function is required to keep your system running optimally and to extend the working years of your heating system.

Regularly scheduled HVAC maintenance will lower the risk of equipment failure and clear preventative issues before they can expand into serious problems. ASC Heating & Air recommends that you have your heating unit serviced at the start of the season so that you can enjoy optimal temperatures through the colder months. 


At times when a failing heating unit cannot be salvaged do to either catastrophic failure or the expense of the repairs won’t grant longevity of unit our trained experts will help you call it. If it makes better sense to move to a new model HVAC unit we will help you navigate the available options. Our installation team will help you get your new heating replacement unit installed as well as handle the removal of the old one. We help ease the burden as much as possible so you don’t have to worry.


We are always happy to help. ASC Heating & Air has always made it our mission to ensure that our clients enjoy comfortable climate controlled air conditioning and heating year round. One of the modern day luxuries is often seen as a necessity and we take your comfort seriously. We’ve been in the business a long time and our team is knowledgeable and skilled in everything HVAC related. We are ready to use our formidable skill set to assist you with any and all of your heating and cooling needs in the San Antonio area. Contact us to schedule your HVAC maintenance or repair call today

We also do HVAC unit inspections so that if you are purchasing a new home you can have peace of mind before you buy. Send us an email to schedule HVAC maintenance, inspection or repair service today, or if you have a more immediate emergency, don’t hesitate to call our friendly team at (210) 761-5130.

Schedule Emergency Service Today

If you are in need of emergency HVAC repair in Windcrest Texas, the team at ASC Heating and Air is ready and waiting to help. Send us an email to schedule AC service today, or if you have a more immediate emergency, don’t hesitate to call our friendly office at (210) 761-5130.

Protect Your Home With Our Preventative Maintenance Plans!


  • Enviromentaly friendly
  • HVAC excellence
  • Angies List
  • BBB

5 Guarantees to Our Customers:

  • Property Protection Guarantee

    If our workers damage any of your property, we will repair it or pay to have it repaired by a professional.

  • Insurance Liability Guarantee

    To protect you from catastrophic loss, we carry a $1 Million insurance liability policy to protect you while we work in your home.

  • Professionalism Guarantee

    All employees and company representatives will introduce themselves and keep you informed while work is being performed. There will be no foul language or in appropriate dress.

  • 7 Day a Week Service Guarantee

    If something happens to your unit, no matter what hour or day, we will have someone take care of it as soon as possible. Our phones are manned 24/7 for your convenience.

  • Unit Satisfaction Guarantee

    Our manufacturers adhere to a strict policy on their units. They are willing to replace your unit if you are unhappy with its performance within the first year