Professional HVAC Services


AC repair, maintenance, and installation. Our highly skilled technicians will arrive quickly and complete your project to the highest standards and customer satisfaction.

Commercial HVAC Services

From minor repairs to larger scale projects requiring an experienced HVAC Contractor, Dragon A/C & Heating can handle it all. We offer quality work at fair and competitive prices.
  • Commercial Service Call

    Repair and inspection of your HVAC system. Parts, components, systems larger than 5 tons, or visits longer than one hour may incur an extra cost. Fuel surcharge may apply.

    $85, plus parts.

    Contact Us
  • Commercial Maintenance

    Multi-point preventative service cleans and protects your equipment, keeps utility bills lower, and extends its service life. We also inspect and replace parts intended to wear out including belts, filters, and UV bulbs. We offer bi-annual or quarterly plans. 

    Starting at $125 per system. Pricing varies depending on number of units and type/tonnage. See below for more information.

    Get a Free Quote
  • Warranty Service

    We service all brands. We will confirm your warranty coverage and complete the work to get your system operating. Warranty fee may apply for certain manufacturers. Labor and any parts or components not covered under warranty will be extra.

    Schedule Now
  • Commercial HVAC Design

    New construction, system replacement, or remodel. We will work with your specs to design and quote your new HVAC and duct system and offer options to meet your budget.

    Get a Free Quote
  • Free System Estimate

    Quick, easy, and emailed to you. New construction, remodel, or second opinions for your new system install.

    Book Your Site Visit
  • Air Purification Addition

    Add a filtration device to your existing duct system. We install UV lights, media filters, and in-duct air purifiers.

    Get More Info

Trust Dragon A/C & Heating when you're looking for an experienced, licensed HVAC Contractor for your next project. We work with you every step in the process to ensure you stay on schedule and on budget.

Commercial HVAC

 Maintenance Program


Quarterly or bi-annual service to keep your HVAC system operating when you need it most.

Maintenance At-a-Glance

  • Commercial Pricing

    Plans start at $125 a year. Maintenance pricing varies depending on the number of units, type, and tonnage. Parts or filters cost extra.

  • Commercial Spring-Summer Service

    A multi-point inspection of your a/c system ensures proper operation for the hot Texas summer. We also replace parts intended to wear out including belts, filters, and UV bulbs, clean the condenser, and inspect the coil for cleaning.


    See below for complete maintenance service details.

  • Commercial Fall-Winter Service

    A multi-point inspection of your heating system ensures proper and safe operation for when temps cool down. We also replace parts intended to wear out including belts, filters, and UV bulbs, inspect air quality systems, and check for leaks.


    See below for complete maintenance service details.

Detailed Service Checklist

Maintenance Details

  • Testing of the a/c unit in cool mode for operation.
  • Check condensation drain and flush if accessible
  • Check air filters & UV bulbs (replacements cost extra)
  • Check condenser coils and clean if needed
  • Check thermostat operation and calibrate if needed
  • Check evaporator coil if accessible
  • Check refrigerant charge and adjust if needed (refrigerant costs extra)
  • Check electrical components
  • Check motors and fan blades
  • Check belts (replacements cost extra)

Maintenance Details

  • Testing of the heating system for operation.
  • Check electric heat strip components
  • Check blower motor & fan operation
  • Check gas safety devices
  • Check gas flame & ignitor
  • Check heat exchanger
  • Check air filters & UV bulbs (replacement costs extra)
  • Check thermostat operation and calibrate if needed
  • Check safety from combustibles
  • Check belts (replacements cost extra)

Click here for maintenance agreement terms & conditions.