We believe that by the time our residential plumber, electrician or HVAC technician leaves your home, you should know that your system follows the codes for the City of Dunwoody and Fulton County. The foundation of our business is exceptional customer service and we want to be Dunwoody’s electrical, heating & air conditioning company of choice!
Your Local, Trusted Electrical, Plumbing & HVAC Service Professionals
If you need a licensed plumber, HVAC technician or electrician, whoever we send to your home will be skilled, experienced, and equipped to install high-quality products with perfect workmanship. We provide a variety of professional services including:
- Ceiling Fan Installation
- Water Heater Maintenance
- AC Repairs
- Generators
- Indoor Air Quality Services
- Electrical Inspections
See what your neighbors are saying about our award-winning services below! Give us a call at 770-667-6937 or contact us online to schedule same-day service.
Recent Jobs and Reviews in Dunwoody, GA
Customers say: The overall sentiment of the reviews is positive, with a slight majority of positive reviews. Customers express satisfaction with the services provided by TE Certified, including electrical repairs, installations, and maintenance. Positive reviews mention professionalism, punctuality, expertise, and excellent customer service. Customers appreciate the technicians' knowledge, communication skills, and the quality of the work performed. They also highlight the company's reliability, efficiency, and willingness to go the extra mile to ensure customer satisfaction. Negative reviews are primarily related to communication issues, pricing concerns, and a lack of experience in certain areas. Customers mention feeling pressured to purchase additional services or products and dissatisfaction with the resolution of their issues. However, the negative reviews are outweighed by the positive ones, indicating that TE Certified generally provides high-quality services and customer satisfaction.
Our Local Reviews by City
- Acworth, GA (340)
- Alpharetta, GA (3594)
- Alpharetta, Georgia (1)
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- Atlanta, Georgia (3)
- Auburn, GA (23)
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- Buford, GA (245)
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- Decatur, GA (482)
- Doraville, GA (93)
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- Dracula, GA (1)
- Duluth, GA (720)
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- Waleska, GA (40)
- Westfield, GA (1)
- White, GA (5)
- Winder, GA (31)
- Winston, GA (1)
- Woodstock, (1)
- Woodstock, GA (859)
Job Locations and Reviews

Replaced compressor that was quoted yesterday. Unit did not have a filter line drier so it caused the compressor to fail prematurely. Brazed out old compressor and brazed in new compressor while flowing nitrogen. Added filter line drier. Pressure tested to 250psi and unit held pressure. Vacuumed unit to 480 microns and it held. Started unit up and added refrigerant to match manufacturing specs. System has 15 degrees superheat and 10 degrees subcool. System is cooling properly at this time.

Cleaned sump pump pit and installed new sewage ejector pump. Added a check valve to the discharge line and plumbed to a runoff drain.

No cool upstairs found breaker in off position. Started system up checked operations and left all equipment operational.
Thank you , Griffin, for your excellent service on June 11. You got everything going right. You are pleasant and skillful at your work. We won't hesitate to call on you in the future for our electrical needs.
Excellent Service!!
This is the second time Steven has helped solve our plumbing issues. I specifically asked for him this time because he was so helpful, thorough, professional and pleasant the first time around. I highly recommend him!

Quote only call. Homeowner received a quote from a previous company to replace compressor but called us instead. Gave homeowner our price and he approved the repair. I checked the condition of the evaporator coil and there are no leaks present at this time. Homeowner is aware of the rusted condition of the evaporator coil but does not want quotes for a new system at this time. I have called Trane supply in Duluth and put the part on a PO.

Today I installed a new grounding system as the home had no grounding system when I arrived, and I installed a surge protector in both of the main panel and the sub panel

For this job, I replaced a ceiling fan

Installed new shower valve and trim in guest bathroom. There was no access to the valve on the backside so I had to cut tile and install a remodel plate.

Replaced existing garbage disposal in the main floor kitchen with 3/4 HP

We troubleshot and left estimates to replace the main panel and fix outdoor wiring and outlets
Very thorough

Inspection visit on Generac 26Kw standby generator
Dee was so friendly, professional and helpful. I crushed my ankle and am in a wheelchair presently. He offered to bring my trash bins in from the curb & p/u a delivery for me that was left outside. He described what to expect and worked all day. He has almost 19 years plumbing experience, I highly recommend him regarding your plumbing needs.

Due to the visible damage of the service entrance cable from a tree falling on the power line and pulling the service cable off of the house. We can not see what other damages are done to the cable on the interior of the home. The panel that was originally installed with the home needs to be replaced as well due to it being outdated and not having a main shutoff. All items on this estimate are required by the authority having jurisdiction to replace with doing a service replacement per code requirements. We recommend doing a full service replacement. This will replace the damaged cable, install a new meter with a service disconnect outside, a new panel with breakers, smoke and smoke/carbon monoxide alarms, surge protector and updated grounding system.

6/9/25. Leak coming through basement ceiling below main level bathroom. Cut open the ceiling and discovered cast iron piping leaking. Recommend replacing the section of cast iron with pvc piping. 6/10/25. Today, I removed a larger section of sheetrook ceiling. Removed the damage section of the cast iron drain line and replaced with pvc piping. Removed and replaced the toilet flange. Reset the toilet onto the flange with new flange bolts. Turned on the water and tested the line thoroughly by flushing and running the sink. Tested with no leaks.

Arrived to replace leaking evaporator coil. Began by picking up coil from Apex and drove on site. Once on site I began by recovering just under 6lbs of r410a. After refrigerant was recovered I cut out the old coil and the old drier. The old coil was an N coil and the replacement was an A coil. The new coil was taller so I had to make some adjustments to the supply plenum but was able to make it fit. Once we brazed in the new coil and drier while flowing nitrogen I pressure tested the system with 400lbs of nitrogen and let it hold for 10-15 minutes while we checked for leaks. After confirming that the system had no leaks, I hooked up the vacuum and pulled a vacuum down to 320 microns. With the pump and hoses disconnected the system stayed pulled down to 400 microns for 10 minutes before we weighed in factory charge. The system calls code 9lbs and 12oz. We added a few ounces to account for the lineset length. We hooked back up the drains, flue pipe when all other secondary and tertiary

Came to residence today for lights flickering in kitchen and bathroom, upon further inspection found that the thermo sensor was going bad in the lights and causing it to flicker. To fix this we swapped the guts out of the cans having problems to stop the flickering.

We performed a HomeCare inspection and replaced two outlets

Replaced meter housing and mast pipe due to weather damage

Replace service wire, attachment point , weather head

Customer was experiencing a mainline blockage affecting kitchen sink and laundry washer drain. Ran k400 cable in kitchen sink, cleared blockage. Pulled back cast iron sludge. Ran water for long duration of time after clearing blockage. No active blockage after clearing.

Today we came out for left side of the house not cooling. Found failed Lennox communicating thermostat and failed Lennox I harmony zone board. Customer had storms come through over the weekend. Left customer repair options.

The upstairs hallway toilet is leaking down through the ceiling from a broken supply line. I shut off the water and drained the system, removed the supply line and shut off valve for the toilet. Replaced both parts, turned on the water and pressurized the water system. Tested the toilet, no further leaks detected.

Gas lamp low flame

Replaced (1) Existing Floodlight to a Ring Floodlight Added (1) New Ring Floodlight drive way Replaced (1) Garage Ring Floodlight Running a new wire from the power source to the new floodlight Added (1) outlet for mini fridge near pantry-using existing basement circuit Installing (1) door chime kit for the front door and check front door ring door bell Replacing Existing (14) Can Lights to LED Wafer Can Lights in the kitchen/living room Add (2) 4” LED Wafer Over Sink Prepaid Job Installing (3) 4” LED Can Light for pantry closet Courtesy replaced (1) switch (1) switch box for basement door outdoor light

Install light fixtures

5/27 left chat to Jullian to schedule sold estimate - wc Replace PRV and install thermal expansion strapped and secured to the structure of the home.

I was called out to Bill’s house for a Homecare maintenance. During the evaluation we discovered there was some growth inside the air handler, the filter was dirty, the flood protection needed updated to our new policy, and the compressor would benefit from a superboost since it runs year round. Today I replaced the air filter and added the wet switch since we installed the upstairs system.
Please with the service and result.
Mario did a wonderful job. Pin pointed the problem and then gave us our options to choose to fix it. Once again TE came to the rescue!!
Griffin was super. He called ahead, arrived on schedule and repaired the problem with wiring in a very professional manner. Very impressive.
The service and explanations of work that had to be done were very helpful and accommodating.
Great service
Very pleased and great service. Thank you!
Excellent service! Patient and helpful.
Blake did an excellent job, neat, quiet and unaware someone was working in my house. Was also very patient answering my questions. You are lucky to have him as an employee.
Shane was the absolute best in troubleshooting our AC problem! He was very informative and polite. We also appreciated TE sending a tech sooner than expected.
Great thorough service
Griffin and Dakota did a fantastic job. Called to give an eta, were here on time, addressed the issue and gave input on an important electrical issue that I arranged to have repaired. Very satisfied.
Ryan and Reese were very personable and did a great job installing our toilet. They also discussed our future needs
Great and prompt company (TE) response to replace a kitchen disposal. Friendly, knowledgeable and efficient service tech (Stephen). We are very pleased.
I have lived in the same house for 28 years and this was the best plumbing service I’ve ever experience.
As well as addressing our immediate concern (a “frozen” hot water supply valve), Allen Murphy quickly recognized a secondary issue that was creating low hot water pressure to the rest of the house. He explained the situation clearly and succinctly. I am (again) extremely satisfied with the professionalism, knowledge, and friendliness shown by TE Certified team members in all of my experiences with them!
Great service
Stephen & Steve both came to work on my plumbing needs. Both men were very professional & courteous. They came in, did the work & cleaned up after themselves. A good experience.
Brock was very professional and did a nice job
very good all the way
We needed to replace an old water heater that stopped working and was beginning to leak. We replaced it with a tankless heater and it was a complicated installation for a variety of reasons. Josh did fantastic work with close attention to detail. Everything was precise, including the cleanup when finished, and it works great.