Lithonia’s Trusted HVAC, Plumbing, and Electrical Contractor

In the Business of Delivering Smiles Since 1968
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Home » Service Areas » Atlanta » Lithonia

R.S. Andrews provides plumbing, HVAC, and electrical services throughout Lithonia and the surrounding DeKalb County area. From neighborhoods near Arabia Mountain to communities along the South River, service is available across the full area.

Lithonia’s name reflects its defining feature: large granite formations that shape much of the local landscape. Unlike areas dominated by softer soil, this underlying rock creates a more rigid ground environment, influencing how properties interact with moisture, drainage, and seasonal changes.

Because granite does not absorb water in the same way as clay, rainfall often moves differently across properties in the area. This can lead to varying moisture patterns around foundations and below-grade structures, especially during extended periods of rain.

Environmental Stressors in the DeKalb Canopy

In addition to the underlying rock, Lithonia is known for its dense tree canopy and natural terrain. Shaded lots often retain moisture longer, while root systems and organic debris contribute to changing ground and surface conditions over time.

Seasonal weather also plays a role. Summers bring sustained heat and humidity, while winter can introduce quick temperature shifts. These changes affect how materials expand and contract, particularly in homes exposed to both direct sun and shaded conditions.

  • Rock Formations: Shallow granite and shelf rock can influence drainage patterns and how water moves across a property.

  • Tree Coverage: Mature trees contribute to shading, moisture retention, and root interaction with the surrounding ground.

  • Temperature Swings: Rapid shifts between heat and cold create ongoing expansion and contraction across materials.

  • Pollen and Debris: High seasonal particulate levels are common due to the surrounding vegetation.

These environmental factors vary across Lithonia depending on elevation, tree density, and proximity to natural features like Arabia Mountain. Homes in more wooded or rocky areas often experience different conditions than those in more developed parts of the city, shaping how properties respond throughout the year.

Schedule today! We’re ready to deliver expert service and a smile to your door.

Localized Solutions for Lithonia Homeowners

R.S. Andrews is fully active within the Lithonia community, providing the technical expertise necessary to navigate these regional hurdles. We understand that a standard fix isn’t enough when dealing with the unique geological and climatic pressures of DeKalb County. Our team is available to ensure your home remains a reliable sanctuary throughout the year.

  • Electrical: Storm activity and a mix of older and newer construction influence electrical usage and demand across the area.

  • Plumbing: Lithonia’s rocky terrain and local water mineral content influence how piping systems perform across different properties.

  • Air Conditioning: High humidity levels and dense tree coverage contribute to increased cooling demand in many Lithonia neighborhoods.

  • Heating: Winter temperature swings across the granite-heavy landscape create varying heating patterns from one property to another.

Each of these systems plays a vital role in maintaining the integrity of your property. By focusing on the intersection of modern technology and local environmental demands, we help Lithonia residents avoid the common pitfalls of our unique location. Professional oversight ensures that your home’s vital systems are prepared for the specific stresses of the “City of Granite.”

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Hear From Our Smiling Customers

Rodney Wells
2 days ago
Excellent service and, professional. Diagnosis the problem immediately with recommended fixes. I will definitely use him again.
henry stokes
2 days ago
I am very, very pleased with the service and what a wonderful job. I am very, very happy.
Katherine Greene
2 days ago
Neil was super nice and his attention to detail was impeccable. His customer service is outstanding!
Charlotte Melton
2 days ago
Jaime was trustworthy and did the job right!
Ed M
2 days ago
I had a problem with the A/C not cooling (end of July). RS Andrews sent a great service technician. Great service at an excellent price. Amazing how quickly the work was done.
Gwendolyn Belle
2 days ago
James was outstanding just Outstanding!!
Sabrina A. Parker
2 days ago
Luis was very pleasant, knowledgeable, and professional. I appreciate the information and recommendation he provided.
John Foster
2 days ago
Air Conditioning not working ( noted condenser iced up - ave day temp 90 degrees) - paid $150 for Sunday visit -- understood tech could likely repair with supplies on truck -- inside furnace fan was inoperable and tested failed -- no fan motor on truck - no advice on how/when replacement fan could be obtained - after many calls requesting status was told fan motor was ordered Monday afternoon and possibly will be installed tomorrow (Friday). I understand heat wave overloads all heat/air services -perhaps your system might touch base with customers to follow up on parts/repair service status and let them know they are not forgotten.
Judy Cone
3 days ago
James came out and conscientiously spent time trying to figure out why my water bill was so high. He checked everything carefully
Common Since
3 days ago
Very knowledgeable about what he came to do and very professional in his craft. Highly recommend him to anyone who needs his services.
Pamela Neill
3 days ago
I appreciate Chris and the parts person showing up right on time today and taking care of things quickly, thoroughly and efficiently.
Nancy Anderson
3 days ago
The tech, Chris was very professional and explained what he found and what needed to be done to correct the problem.
Tom Fairris
3 days ago
Great job…very friendly….professional …courtesy. Thank you for your service.
Dave Phelps
3 days ago
Mo visited, diagnosed and repaired my HVAC system and was quite friendly, competent, and professional. I feel confident that the work he did was done correctly and I will have no hesitation in calling him to come back for any future work that may need to be done. Kudos!
James Brownlee
3 days ago
Ezequiel Soto (technician), did a drain cleaning in our home earlier today, July 30, 2026. He was very professional and explained in detail our problem and the fix beforehand . We’re very satisfied with his work and his detail to protecting our floor covering while in and out of the house. We’ve used RS Andrews now for approximately five years.
S Brown
3 days ago
Great service from R.S. Andrews! Will continue to use
bill p.
3 days ago
Good professional technician. Mr. Powell was very professional, patient and informative about my system.

    Heater on the fritz? Frustrated with plumbing problems? R.S. Andrews is just a call away!