Grayson's Choice for Electrical, Plumbing, and HVAC Service
Homeowners know they can count on TE Certified when they need a plumber, HVAC repair and electrician service in Grayson, GA. Every member of our team is certified and has at least five years of experience providing residential maintenance, repair, and replacement services.
Whether you need a water heater repair, air conditioning maintenance, or panel replacement, TE Certified is the company to call in Grayson, GA. Check out our many happy reviews from your neighbors to see why they chose us every time!
Recent Jobs and Reviews in Grayson, GA
Customers say: The reviews express overwhelmingly positive sentiment, with customers describing a high level of satisfaction with the service they received. Recurring themes include punctuality, professionalism, and courtesy, with many noting that technicians arrived on time and were respectful, friendly, and pleasant to work with. Clear communication is another dominant strength: customers repeatedly appreciate how thoroughly issues, repairs, and costs were explained, as well as the helpful advice and recommendations offered for the future. Work is consistently described as efficient, neat, and high quality, with problems, including complex or urgent ones, resolved quickly and often on the same day. Many reviewers also express gratitude, loyalty, and a strong willingness to use the company again or recommend it to others. Overall, the tone conveys trust, appreciation, and confidence in both the technicians' expertise and the company's customer service.
Grayson, GA at a glance
TE Certified Electrical, Plumbing, Heating & Cooling has completed 25 jobs in Grayson, GA between August 2026 and October 2026.
The 26 customer reviews shown here average 5.0 out of 5.
The most recent job was on October 21, 2026.
TE Certified Electrical, Plumbing, Heating & Cooling has completed 172 jobs in Grayson, GA in the last 12 months. The first job there was in October 2013.
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Job Locations and Reviews
Arrived back to customers home he had gas supply pressure adjusted still having the same issue. Gas valve pressure 6.3 across gas valve recommended 3.5. Static pressure 1.2. Upon further inspection found inducer port clogged. Cleaned inducer port. And cycled system on. System now heating as should no longer shutting off. 74° inside of home with heater on. No gas sediment trap. Flex gas connector going into furnace. Single wall flue pipe. No in-line safety. Unit in crawlspace. No auxiliary drain pan no wet switch. Older drain pump. Short CFM on return. Interior ductwork, extremely dirty. Could only find one return. Look through main floor interior of home with homeowner. Recommend ductwork redesign for main floor.
The bare minimum basic repairs to get the system running today.
Arrived found system not heating locked out. No auxiliary drain pan. No in-line safety no wet switch. Unit in crawlspace. No gas sediment trap. Older drain pump. Short CFM on return and supply. Single wall flue pipe. Reset system. Unit cycle on. After a couple of minutes, flames start sputtering and then unit shuts off. Found gas pressure coming in at 5.1. When unit cycles on and flames turn on gas pressure drops to 3.8. Across gas valve is at recommended 3.5. Need to have gas company come out and raise gas supply pressure.
Replaced 50 gallon water heater with new. Includes all necessary code upgrades.
Repair 4” pvc sewer line 5’ deep due to damaged pipe that caused tree roots to grow into pipe and cause a whole house sewage back up. Repair with new schedule 40 solid core PVC and remove all roots from pipe. Provide a lifetime workmanship warranty on this repair. TE Certified not responsible for repairs to sod.
Pulled sewage ejection pump, cleared of any debris, and reinstall
For this job, we worked on troubleshooting the kitchen outlets and replaced 1 defective GFCI outlet. We also installed a new outlet in the storage closet.
Arrived for hvac inspection for upstairs and main floor equipment. Inspected thermostat operation. Inspected electrical wiring and tightened terminals as needed. Inspected amperage on all motors. Inspected starting components on indoor and outdoor systems. Inspected ductwork for proper sizing. Inspected furnace safety’s and furnace operation. Recommended inducer draft motors and igniters be replaced on both furnaces. Customer has a home warranty. Systems are operating at this time.
City came out and identified a leak at the meter and cut off the main water supply line for the homeowner. Dug up area around meter box and found that leak was coming from two spots; the water meter nipple and a broken sharkbite fitting connecting 1” pvc to polyethylene piping. Cut out both sharkbite fittings and repaired Pex line with 1” stainless steel Pex couplings. With water shut off in house off, turned on meter valve to pressurize line between the meter and home. Meter was not spinning after a 15 minute pressure test, so bled air and dirt out through front spigot that branched off before the house isolation valve. Turned on valve supplying to home slowly until line was fully pressurized. Went through all fixtures to let air out of both hot and cold lines. Reconnected vent piping for water heater as a courtesy. Informed homeowner that the water heater was over ten years old and needs to be replaced.
Troubleshoot plumbing issue. ISSUE: Had leaking tub faucet in master bathroom. LOCATION: Master bathroom. FINDINGS: After taking out the cartridge, black pieces of rubber fell out. When everything was put back together it worked perfectly fine. Cartridge and valve are an off brand. Recommended and quoted to replace entire valve to a delta single handle. RESOLUTION: Perform work at later date.
Troubleshooting no power to home
Replace fan and chandeliers
As a first time user of your service I was totally impressed with the thoroughness of your investigation and the options you gave me to consider in selection of a resolution. The resolution I selected was based on the fact that you wanted to give me total resolution with minimal down time.
Figure out why outlets and lights don’t work in dining room , closet and living room New wire tap in panel Breaker replacement single pole
Installed a new lowboy 50 gallon water heater
Hubert did excellent work. He installed a light fixture and fan and replaced our defective smoke detectors.
Replace a ceiling fan and a vanity light
Mario is the Best!! Third time I have had him to my house to do work. Looks to find the problem, puts it together - gives me cost with different options. Works hard and works diligently until tje job is complete. I appreciate him so very much!!
Repaired flood lights, new swiches, safety breakers and new outdoor outlets.
Our client had a leak on a 1 inch blue poly water service approximately 2 foot from driveway on the right hand side. A spot repair was made. Tested for leaks and no leaks were found. Client has two aging water heaters and several estimates have been left for this matter. A follow upphone call will be conducted in a few days
SERVICE CALL: Upon arrival homeowner stated the main floor system For bedrooms the thermostat is completely blank at the display. After complete troubleshooting I found the condensate pump stop working due to overflow safety switch was open due to gfci outlet was tripped and cut off power to condensate pump. After reset gfci outlet condensate pump start working reset thermostat test cooling mode system is working at this moment. Test pressures are ok at manufacture specifications. Thanks for choosing t e certified.
Replace bathroom exhaust fan
Trouble shoot electrical hazard in basement and limited repairs
Thank you for contacting TE Certified to help with your Home Care needs. For this appointment I replaced all your expired smoke detectors with new carbon detectors and I relocated a unit as well. I also installed a new outlet in your jack and Jill closet. I’ve attached all the pictures taken throughout the process with this invoice. If you have any questions or if you experience any electrical issues, please contact me directly. If you would like help from any of our other professional tradesmen with 5% off your next home improvement solution, please contact our office and they will happily assist you. Thank you again for your time and the opportunity to serve you, your family, and home. Take care and have a blessed month ahead! -Luis L. 😄👍
Customer had a leak in the slab. We cut out leaking pipe and ran a whole new 3/4” copper line from manifold underneath stairs over to the bathroom and connected back to distribution lines inside the wall. Poured concrete back in holes where concrete was busted. Tested and cleaned up and ensured there are no more leaks present at this time.
Opened concrete floor where leak detection marked where slab leak was. Upon opening floor I saw that the leak was not coming from where it was marked. Recommended 3rd party leak detection come out and locate leak and I come back out and fix the leak.
For this job, I conducted leak detection services as a TGL for original technician, Martin Mitchell. During my investigation, I discovered the main service, that goes from the meter and comes up through the penetration under the staircase in the middle of the home. Was sound and had no leaks. I then introduced compressed there via the rear hose bib onto the home. And then used my sonar probe to listen to the floor at the manifold/near the service penetration/and discovered the leak underneath the stairs between the main manifold and the service penetration. Location has been marked with blue X.
Performed leak search to determine where leak is coming from. Determined there is a leak in the slab of the house. Recommend calling a leak detection company to come out and pinpoint exactly where the leak is and have us come back out to bust open the floor and fix the leak underground.
Excellent service
Mario along with a helper Evan work endlessly all day to provide outlets and lights in my basement. Everything is working , cleaned up and left the area spotless.
Outstanding Service
Gave adequate notice of arrival and arrived on time. Personable and gave thorough instructions. Job well-done!
Everything was done very professionally.
Excellent Service
Enrique & Gavin did an excellent job. They arrived within the agreed time frame, diagnosed the problem and made a timely repair.
I highly recommend Michael Mullen for any electrical work you need done. He arrived on time, very clean and courteous and completed his job very efficiently. Michael took the time to explain everything and answered all my questions. If you're looking for quality electrical services, Michael Mullen from TE Certified Electrical, Plumbing, Heating & Cooling is the one to call.
Very professional and skilled. Pleasant and polite.
Very knowledgeable and professional service! Highly recommended!
Very knowledgeable and professional service! Highly recommended!
Totally happy with Harun and his helper’s services. After finishing the repair he explained exactly what was done and demonstrated that it worked completely.
Excellent
Joshua, Adam, and Jay were all professional & courteous; Came out right away
Very professional, clean and knowledgeable young man who knows his craft well. He has a bright future ahead.
See my ratings
When I first moved into my home a friend recommended Knight Air. They were a family owned business, honest, reliable and reasonably priced. I’ve used a few different companies since they sold their business. I think I finally found my new company with TE Certified. I received a text from Jonah with his picture, introducing himself as my tech and telling me when to expect him. He actually showed up early. He was polite and professional and respectful of my home. We talked about the problem and the age of my units, then he went to work. He informed me of his diagnosis and I authorized the work. He later presented me with a written report of the work he’d done and recommendations for options I might want to consider. He was the consummate salesman - personable without being pushy. I declined his recommendations but I did sign up for their maintenance plan. He informed me that the previous tech had installed filters that were too small so he replaced them with the proper sized filters. I learned they also have certified electricians and plumbers. From my experience with Jonah I highly recommend TE Certified for your HVAC needs.
Very good service.
The crew arrived in the time frame. Once my yard was marked for utilities, the work to replace my main water began, This is why I have stuck with T E Certified for many years.
Excellent service
On time, courteous , covered his shoes before entering house. Michael is just a gentlemen.
Everything about this from making an appt, communication and the actual work was outstanding. The cost was reasonable. Will definitely use them again!!
We appreciate you for sharing your experience, Jennifer! It’s great to hear everything from start to finish met your expectations. Please feel free to reach out whenever you need us again.