Lithonia’s Trusted HVAC, Plumbing, and Electrical Contractor

In the Business of Delivering Smiles Since 1968
May Offer
Cannot be combined with other offers. Excludes Economy Cleaning Package. Valid normal business hours M-F.
Expires: May 31, 2026
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.”

Contact Us

Name(Required)
Address(Required)
By clicking “submit” as my electronic signature, I consent to RS Andrews Services Inc. and its representatives using the contact information that I have provided (including a wireless phone number, if provided) to contact me by mail, phone, fax, text, and/or email about my request and to send me marketing communications, including through the use of automated telephone dialing systems and/or artificial or prerecorded voice messages. I understand this consent is not a condition for purchasing any property goods or services. I understand that message frequency varies and phone carrier message and data rates may apply. I understand I can opt-out of marketing communications using means provided in the communications (such as texting STOP in response to a text message) or contacting us at 770-454-1800 or customercare@rsandrews.com.

Hear From Our Smiling Customers

Jennifer Boyanton
2 days ago
I cannot say enough good things about Max! He made sure I understood what was happening at every turn and was up front about details. I was very comfortable having him work in my home and am so pleased with the job he did. I highly recommend Max!
Louis Ross
2 days ago
The technician was on time, professional, and knowledgeable as to which direction to go in to quickly resolve my issue.
Louis Fernandez
2 days ago
David is always very professional! David Rosati was very professional and checked out our new heat pump. He added vibration dampers to help with the noise the system was making and then proceeded to make sure it was working well. This was very much appreciated as we have been experiencing temperatures as low a 8 degrees. I'm always happy when David comes to service our HVAC. Terrell Thomas was very thorough and professional. i was very pleased with his service. He checked out both heat pumps and the three zones in my house and assured me all was working properly, a necessity with 24 degree weather. Both David Rosati and Amber Magnus were exceptional! Amber Magnus was very professional and quite helpful and knowledgeable! David was very thorough and did a great job as usual for R.S. Andrews employees. David explained everything he was doing and I enjoyed the time he spent explaining everything. Terrell did a great job and explained all he was doing and why the capacitor needed to be replaced. i was very happy with him. Nick Husley did a very thorough job. He was prompt, friendly, and answered all questions wel. Nikia was very thorough in checking out the AC system. I feel he was extremely honest in pointing out future repairs that may be needed. Nakia again was very thorough checking out the heating system. Ivan Medina was prompt and thorough in maintaining the AC system. He explained what he was doing and why some part needed to be replaced. He showed me the readings of the failing parts and the readings on the replacement parts.
Andy Herron
2 days ago
In time and gave us options to consider.
Roger Williams
2 days ago
Another RS ANDREWS win, or as the kids say a W. From the minute I meet Rich he was professional and respectful. He immediately assessed the problem and solved it immediately. During his work he educated me as to the problem and the fix and what look for in the future. He was very attentive, professional. Great guy. Great job.
Janice Taylor
2 days ago
This experience was wonderful. My estimate and replacement of broken hot water heater were done on the same day. The polite, professional and respectful installer, Loren Palmer, was on time and ready to replace the hot water heater that had flooded my basement the day before. Another RS Andrews installer, Aidan showed up almost immediately with the new tank. The old tank was removed, the new tank installed, the basement was wet vacuumed, and the area was left clean. With Loren Palmer's assistance I was approved for financing within 30 minutes. Loren Palmer, with the assistance of Aidan, went above and beyond what I ever expected. Thank you so much!
Alexandra Sampson
2 days ago
Teyon did an awesome job explaining the issue and the findings. He answered the questions I had. He was courteous and professional. My system is up and running.
Leonard Boss
2 days ago
Jonte was great. Took care of the issue quickly. Diagnosed the issue, explained what he was going to do and took care of it quickly.Extremely knowledgeable and efficient. Very professional and courteous. Really did a great job.
Naif Subh
2 days ago
Great company, and have the best trained and experienced technician in the Atlanta area. I have used RS Andrews the last 20 years with great satisfaction, I highly recommend them.
Kyle Stone
2 days ago
Nick is super knowledgeable and clearly very good at what he does!
T Wilder
3 days ago
Kyle was great! On-time (actually early), is very knowledgeable, and kind! I appreciate his insight!
Amy Ketcham Hwang
3 days ago
Prompt, polite, excellent service. James explained everything he was doing. He was also helpful and proactive in assessing any future plumbing needs for our home. I would highly recommend his service!
AL BAKER
3 days ago
I had a problem with my bathroom sink water line and Chris came in and got my problem resolved with no issues and no surprises.
H Williams
3 days ago
Devonte was polite and friendly. Upon arrival, he took the time to explain what he was going to do and answered my questions. He seemed very knowledgeable about what he was doing.
Kristin Bradford
3 days ago
Chris Melton always does a great job whenever he comes to our house.
Dan Strousberg
3 days ago
Today (6/11/2026 CHRIS MELTON was Professional and Kind! Chris is a FANTASTIC Technician and is always “willing to go the extra mile “to make sure the Customer is completely Satisfied. He did an Excellent Job and explained the service performed. RS Andrews always does a Great Job. Job Well Done by All…. Fantastic "Team" and GREAT Service! They supplied the Best Heating and Air System our family has ever had. It is the most efficient AC product and saves us a lot of $$$! Their technicians are honest and know their products! Job well done by the RS Andrews team. CHRIS MELTON was Very Professional,Kind and Explained the Service he performed. Job Well Done Chris Melton and Associate came to replace my Thermostat and were Very Professional and Caring! Job Well Done Dan ****************************************** Today (12/9/21)Josh Smith came out to do our “routine”maintenance. Josh was “Outstanding”! He was Very Professional,Kind and Caring. Josh spent a great deal of time to make sure our “system” worked properly. Before leaving he explained the Service and Results of our inspection. RS Andrews has always provided great Service and Professionalism! FANTASTIC Quality Service by Josh and RS Andrews! Job Well Done, Dan.S Today 6/2922022 Josh Smith (Tech) came out for our Summer Maintenance and as usual did a “FANTASTIC job!” He is Always so Professional and Kind. Josh Always Explains the work being performed and the Results. Josh and RS Andrews are the Very Best in the Business! Job Well Done, DS 1/10/23 Josh Smith. /RS Andrews were Fantastic,Professional and Kind! Job Well Done Today Chris Melton came to do our A/C Seasonal Maintenance. He was Very Professional and Patient. Chris explained everything that he did to check our System. He is VERY Thorough! Great Service…Job Well Done Dan.S
Eileen Cargell
4 days ago
Kwami arrived on time, was professional and friendly.
Joshua Davis
5 days ago
First time using RS Andrews. Nick did a great job diagnosing the problem and installing a new thermostat!

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