about us

We are a family owned and operated Class "A" licensed and insured cooling, heating, plumbing and gas fitter service company

contact information

  • Phone: 703-372-2234
  • Monday - Friday: 7:00 AM to 5:00 PM
  • Evenings/Weekends/Holidays: Call for emergency service!
  • Address: 7300 Lockport Place #3, Lorton, VA 22079

how we can help

IN YOUR CORNER: Free second opinions on failed compressors and furnace heat exchangers and free estimates for equipment replacements.

PLUMBING: Sewer, drain line and water line repairs and replacements, drain cleaning, maintenance jetting, video camera inspections, line locating, water heater, sump pump and sewage ejector replacements.

HEATING AND COOLING: Service for all brands of cooling and heating equipment and hot water boilers including humidifiers, electronic air cleaners, programmable thermostats, UV lights and more.

YOU COME FIRST: No work will be performed without your prior approval; our technicians will quote the cost of any recommended repair or service before performing any work.



our services

McDaniel Service, Inc. is your trusted partner for all your HVAC and plumbing needs, big and small, scheduled or emergency!

TRUSTWORTHY EXPERTISE

Our trained technicians and office staff have over 200 years of combined service experience.

Our uniformed employees undergo pre-hire drug screening and background checks.

DISCOUNT MAINTENANCE

Take advantage of our affordable annual heating and cooling service agreement. One low price gets you one Spring inspection, one Fall inspection, priority scheduling, and a 10% discount on all cooling, heating, and plumbing service repair work!

EASY FINANCING

We offer two convenient plans through GreenSky® — click below to apply!

Click for 12 month no interest financing! Click for 18 month no interest financing!



To use our online credit application, you will need the following information:

Please take a quick note of these numbers so that you can provide them at the beginning of the application process.

Please call our office at (703) 372-2234 if you need any assistance!

To use our online credit application, you will need the following information:

Please take a quick note of these numbers so that you can provide them at the beginning of the application process.

Please call our office at (703) 372-2234 if you need any assistance!


Request Service

In order to schedule your request, all fields marked with * are required.

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7:30 AM‑
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12 NOON‑
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Saturday (if possible)

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