Keep Your HVAC System in Perfect Condition

Schedule routine HVAC maintenance in the La Vernia, New Braunfels, Floresville or San Antonio, TX area

Keeping your HVAC system in tiptop shape is essential to maintaining a comfortable, energy-efficient home. Regular HVAC maintenance isn't just about avoiding unexpected breakdowns — it's can also help you save money on energy bills and keep your indoor air fresh and clean. Our friendly team at David and Son Heating & Air is here to help you with all aspects of HVAC maintenance, from cleaning and checking refrigerant levels to inspecting electrical components.


To schedule recurring HVAC system maintenance in La Vernia, New Braunfels, Floresville or the greater San Antonio, TX area, please call us at 210-394-3369 today.


Extend the life of your HVAC system

Our comprehensive maintenance services are designed to keep your HVAC system working efficiently year-round. From duct cleaning to electrical checks, we make sure every component is running smoothly. Here's what our HVAC maintenance service includes:


  • Ductless system maintenance: Cleaning, refrigerant checks and electrical inspections for mini-split systems.
  • Duct cleaning and sealing: Sealing leaks and cleaning ducts for efficient airflow.
  • Drain line clearing: Preventing water damage by keeping drains clear.
  • Refrigerant checks: Making sure the refrigerant supply never drops too low.
  • Electrical inspections: Checking electrical connections for safe operation.


With over 47 years of experience on our team, you can trust us to check everything carefully. Contact us today to request a free estimate on HVAC system maintenance.

A row of air conditioners are sitting outside of a house.
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