Contact Us

Our experienced team can help.

Dealer Logo
 972-920-5512
  • Home
  • Reviews
  • Products
    • Product Knowledge
    • Heating
    • Cooling
    • Indoor Air Quality
    • Thermostats & Zoning
  • Services
    • New Installation
    • Upgrade or Replacement
    • Repair Service
    • Preventive Maintenance
    • Service Agreements
    • Extended Warranties
    • Indoor Air Quality Specialists
    • Air Duct Sealing
  • Support
    • Ask the Expert
    • Troubleshooting
    • Product Knowledge
  • Financing
  • About Us
    • Contact Us
    • Service Area
    • History
    • Qualifications
    • Photo Gallery
    • Customer Survey
Dealer Logo
  •  972-920-5512
Trane Logo
  • Home
  • Reviews
  • Products
    • Product Knowledge
    • Heating
    • Cooling
    • Indoor Air Quality
    • Thermostats & Zoning
  • Services
    • New Installation
    • Upgrade or Replacement
    • Repair Service
    • Preventive Maintenance
    • Service Agreements
    • Extended Warranties
    • Indoor Air Quality Specialists
    • Air Duct Sealing
  • Support
    • Ask the Expert
    • Troubleshooting
    • Product Knowledge
  • Financing
  • About Us
    • Contact Us
    • Service Area
    • History
    • Qualifications
    • Photo Gallery
    • Customer Survey
BBB - Write A Review
https://storage.googleapis.com/sos-websvc/images/logos/google-g-icon.pngfacebook.png

  HOURS

Monday-Friday: 8-7
Saturday: 9-5
24/7 Emergency Service Available

  PAYMENT ACCEPTED

  • Cash
  • Check
  • Credit Cards
  • DiscoverMaster CardVisaAmercian Express
  • 972-920-5512
Contact UsCall Now

Click our guides below for help

Quick Help Topics

Select a New System
Repair or Replace?
Energy Bill Concerns
Healthier Home
Ready for Maintenance
Contact Us Now 
Schedule a Repair 

Troubleshooting

Before calling for HVAC emergency service, please read the tips below. It may prevent a service call or help us diagnose your problem quicker.

Air Conditioner - No CoolingAir Conditioner - No Cooling
Heat Pump - No HeatingHeat Pump - No Heating
Heat Pump - No CoolingHeat Pump - No Cooling
Gas Furnace - No HeatingGas Furnace - No Heating
Air Conditioner - No CoolingAir Conditioner - No Cooling
Heat Pump - No HeatingHeat Pump - No Heating
Heat Pump - No CoolingHeat Pump - No Cooling
Gas Furnace - No HeatingGas Furnace - No Heating
Air Conditioner - No CoolingAir Conditioner - No Cooling
Heat Pump - No HeatingHeat Pump - No Heating
Heat Pump - No CoolingHeat Pump - No Cooling
Gas Furnace - No HeatingGas Furnace - No Heating
Air Conditioner - No CoolingAir Conditioner - No Cooling
Heat Pump - No HeatingHeat Pump - No Heating
Heat Pump - No CoolingHeat Pump - No Cooling
Gas Furnace - No HeatingGas Furnace - No Heating

David Services, Inc

  • Home
  • Reviews
  • Products
    • Product Knowledge
    • Heating
    • Cooling
    • Indoor Air Quality
    • Thermostats & Zoning
  • Services
    • New Installation
    • Upgrade or Replacement
    • Repair Service
    • Preventive Maintenance
    • Service Agreements
    • Extended Warranties
    • Indoor Air Quality Specialists
    • Air Duct Sealing
  • Support
    • Ask the Expert
    • Troubleshooting
    • Product Knowledge
  • Financing
  • About Us
    • Contact Us
    • Service Area
    • History
    • Qualifications
    • Photo Gallery
    • Customer Survey
  • Privacy Policy
  • Site Map
  • Glossary

972-920-5512

BBB - Write A Review
https://storage.googleapis.com/sos-websvc/images/logos/google-g-icon.pngfacebook.png

  HOURS

Monday-Friday: 8-7
Saturday: 9-5
24/7 Emergency Service Available

  PAYMENT ACCEPTED

  • Cash
  • Check
  • Credit Cards
  • DiscoverMaster CardVisaAmercian Express

We provide Heating, Cooling, Heat Pump, Furnace & Air Conditioning Installation, Repair & Maintenance in Lancaster, TX and the surrounding areas:

Greater Dallas Area  |  Desoto  |  Cedar Hill  |  Mansfield  |  Midlothian  |  Duncanville  |  Lancaster  |  Mesquite  |  Waxahachie  |  Arlington  |  Grand Prairie  |  Richardson  |  Garland  |  Carrollton  |  Plano  |  Rowlett  |  Sunnyville  |  Wyle

David Services, Inc — 3105 Lomita Dr. Suite 103B, Lancaster, TX 75146

Copyright © 2023 Select On Site, LLC
Site design and code are property of Select On Site, LLC
Product logos and images are the property of their respective manufacturers