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Though we are authorized TRANE dealers, Day & Night Service is proud to service all makes and models of heating and air conditioning and heating products. Including TRANE, Carrier, Goodman, Lennox, Janitrol, Honeywell, Amana and many others, Day & Night Service will provide 24 hour emergency service when you need us the most. We will also provide an annual preventive maintenance plan that will not only ensure your comfort season after season with two annual comprehensive checkups but also should you have a repair to be done within your servicing year we will provide you with a priority status above any service call we may already have scheduled.

With Day & Night Service you can be rest assured that should your diagnosis require a new installation you are protected by a full manufacturer’s warranty, a full customer service guarantee and that each and every one of our technicians are expertly trained and certified. We also provide 100% financing options through American General, 15% discounts to our senior citizen customers, 10% discounts if you saw us on the web and dependability that exceeds our competition.

  • We Service All Brands
  • We Offer 100% Financing
  • Free Second Opinions
  • Preventive Maintenance Agreements Available
  • 24 Hour Service
  • Authorized TRANE dealers
  • 15% Senior Citizen Discounts
  • 10% Website Referral Discount
Click logo to TRANE Website
Click logo to Carrier Website
Click on logo to Goodman Website

Click on logo to Honeywell Website
Click on logo to Lennox Website
Click on logo to Amana Website

If you have any questions or would like to schedule an appointment please feel free to contact us at 214-339-1171. Thank you for your interest in Day & Night Service. We look forward to serving you in the near future!


Day & Night Service is happy to serve the entire North Dallas metroplex including the cities of Carrollton, Desoto, Duncanville, Farmers Branch, Garland, Grand Prairie, Lancaster, Lewisville, Mesquite, Plano, Pleasant Grove, and Richardson!

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