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Proudly Serving:

San Antonio Metropolitan Area

Bexar County, Guadalupe County, Comal County, and Kendall County


San Antonio, New Braunfels, Schertz, Seguin, Cibolo, and more!

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Seasonal HVAC Maintenance

Regular HVAC maintenance extends your system's life and protects your family and home.   

First Tune-Up $58/system

Right now we're offering a full HVAC Tune-Up for only $58/system - this is a 42% savings.

You may notice that we don't do expensive TV Commercials or Radio Ads.


Instead, we believe in using our advertising budget in a unique way: offering discounted service to new customers so that they can experience things for themselves

We want the opportunity to earn your business, and we believe that once you try our service, you'll choose to become a customer for life.  If we fail to exceed your expectations, you can simply take your future business elsewhere.


Who is All Service?

All Service Air Conditioning & Heating has been proudly serving the San Antonio Metropolitan Area for 44 years.  We are located on Main Street in Schertz, and we service Bexar, Guadalupe, Comal, and Kendall Counties.

Customers pick us because of the quality of our service.  We charge reasonable prices and don't use high-pressure sales tactics or gimmicks.  Go read our Google Reviews and see for yourself!

We provide maintenance, repair, and installation services.  We work on all brands of residential split HVAC systems, and primarily install American Standard and Ruud.

What's Included?

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​A/C Tune-Up (Spring and Summer)

  • Prevent Floods: clear condensate drain.

  • Verify water safety overflow controls.

  • Rejuvenate, clean, and refresh condenser coil.

  • Inspect electrical connections for safety.

  • Measure refrigerant pressures for efficiency.

  • Lubricate motors and bearings.

  • Check evaporator coil drainage.

  • Record compressor and fan amps.

  • Monitor capacitor performance.

  • Inspect contactors and relays.

  • Measure evaporator coil temperature drop.

  • Evaluate blower motor and voltage.

  • Assess thermostat calibration and operation.

  • Inspect ductwork for proper installation.

  • Visually check component cleanliness.

Heating Tune-Up (Fall and Winter)

  • Clear condensation drain.

  • Test for carbon monoxide.

  • Clean furnace burner assembly.

  • Inspect flue for proper draft.

  • Test ignition and flame sensors.

  • Check gas connections for leaks.

  • Examine heat exchanger for damage.

  • Check furnace blower components.

  • Lubricate motors and bearings.

  • Record voltage readings.

  • Record motor AMPS.

  • Record air temperature rise.

  • Adjust gas manifold pressure.

  • Check blower motor functions.

  • Calibrate thermostat.

  • Inspect ductwork for leaks.

  • Visually inspect HVAC components.


All Service Air Conditioning & Heating

Serving Bexar, Guadalupe, Comal, and Kendall Counties



Payment Options:



8 a.m. – 10 p.m. Mon – Sun

Weekend and holiday emergency services are available!

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