9800 Old Dogwood Rd.
Roswell, GA 30075
(770) 667-6937

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Local Reviews
for holly springs, ga

Rated 4.9 out of 5 stars based on 28 customer reviews

Outstanding service

Thank you James and Leo. James explained everything he was doing so I was able to understand it. He suggested different options and the whole experience was extremely positive.

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Amazing Service

So impressed with the professionalism and thoroughness shown by Garrett and the TE team. Happy to have found my go-to for all things plumbing.

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Great Service!

Andrew was professional and thorough. He explained everything he was doing and gave us fair pricing for extra services. I wouldn’t mind him being our service provider each visit.

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Great Experience

Max communicated his arrival time and showed up when he stated he would. He was friendly and knowledgeable. He was able to quickly resolve our issue. I would highly recommend Max. Thank you for sending him.

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Excellent Experience

Very efficient and knowledgeable. Pleasant to meet and work with.

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Great service!

Prompt, professional and polite.

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Excellent service

Mitchell was very professional and answered all our questions.

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Toilet Installation - new home

Pricing was way too high to install 3 toilets in a new home. I will go out to competitive bid on all the future work I have planned for electric & a service plan on my new home. I am not happy with your price! Larry Asten

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Fantastic Service!

Allan did a great replacing the coil on our Lennox furnace. He professionally diagnosed it and then made the fix.

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Great Install!

Sam and his team did a great of adding a dehumidifier to our HVAC system. He and his team worked quickly, efficiently and professionally and the outcome was a high quality install. I would highly recommend Sam and his team and the folks at TE Certified for anyone looking for HVAC help.

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Excellent Service, top of the line service.

Mr. Joaquin Partida is a great asset to your company. Very courteous and knowledgeable person. It was a total pleasure and rarity to find someone on top of his game 100%.

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Excellent Service!

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Excellent service and install

TE Certified does a great job of both completing the job as specified but also keeping you informed along the way. I highly recommend TE Certified for any HVAC need you have.

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Timely and efficient

Our service technician Gabe was thorough in his assessment. He was timely as well.

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Great service

The guys who came in were very professional and got done quick. Appreciate it.

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Job Locations
for holly springs, ga

Blake T.

Blake T. Job Checkin

Client has a tankless water heater located in the garage that is giving error code 11. Took apart the panel to evaluate the inside of tankless heater. Perform diagnostic test of gas flow, power, inspect the venting, and clean flame rods. Tested heater and is still giving error code 11 after performing field diagnostic. Called Rheem support to run their diagnostic on the heater and found that the igniter coil has failed and would need to be replaced. Rheem is sending the part out and will arrive to our office estimated to arrive by Wednesday and schedule a to come out Thursday to put the part in and do additional work of replacing the PRV that has failed and flush the tankless heater.


Jonas E.

Jonas E. Job Checkin

Today we installed a new 60 amp circuit running through conduit across the garage down to a customer supplied Emporia EV charger. We also installed whole home surge protection in the main panel.


Issouf B.

Issouf B. Job Checkin

At arrival on 09/05/25 Issue: no cool System: whole home Finding: system was cooling at arrival except for the bypass damper that was not opening all the way. We opened the bypass damper and total static pressure went to 0.61 with return 0.15 and supply 0.46. There was some trace of water on the supply plenum at arrival. There is no wet safety switch, no ss1 safety switch, the drain line has an unnecessary U shape P-Trap which could cause obstruction to water flow. Dirty condenser coil, low subcool. Recommendations: Gave option to correct all of that and clean drain line as well. After cleaning the condenser coil. We checked the pressures and the pressures were reading good. No need to add any refrigerant. System is cooling properly at this time. Please credit $224 to homeowner because we did not need to add any refrigerant after cleaning up the condenser coil.


Caleb L.

Caleb L. Job Checkin

Performed diagnostic and found a leaking coil on the mini split unit. The system is currently not operating at this time. Made recommendations to repair and replace system


Steven W.

Steven W. Job Checkin

Used thread sealant to stop leak on pop up tailpiece. Tested for leaks, all good. No warranty for this repair. Thank you for choosing T.E. Certified.


Brandon F.

Brandon F. Job Checkin

The technicians went in to the pantry to gain access to the upstairs bathroom tub drain. We chip out the cement that was covering the tub drain , once we got the cement removed we replaced the tub gasket and tested after doing the repair.


Brandon F.

Brandon F. Job Checkin

Customer stated starting seeing a leak form in the pantry ceiling, above the pantry is the master bathtub. After cutting open the ceiling the technician found that the tub gasket wasn’t flush to the tub do to cement surrounding the area. Provided customer with a estimate to there email.


Caleb L.

Caleb L. Job Checkin

Perform visual inspection and quoted the homeowner to replace the thermostat. He provided an ecobee thermostat and I just wired it in and installed it for him. I tested operations of the thermostat. The system is operating properly at this time.


James D.

James D. Job Checkin

Assemble and install a customer supplied ceiling fan in the living room. Supply and install a full home surge protector. I explained to the homeowner that if one or both lights go out on the surge to call us back out. We cleaned up our mess to the homeowners satisfaction.


Cole D.

Cole D. Job Checkin

Re-Install Tesla Charger at other house


Jeffrey P.

Jeffrey P. Job Checkin

For this job, I did a home inspection


Jonathan M.

Jonathan M. Job Checkin

Inspected the upstairs HVAC system to find the cause of no cooling on the top floor. Tested cooling and zoning from the thermostat. Measured the refrigerant pressures and electrical component readings. Inspected the safety and cleanliness of the system. Checked the 1” air filter. Reported findings to the customer. Signed the customer up for the Homecare maintenance plan on both systems.


Jason C.

Jason C. Job Checkin

For this job we replaced 3 breakers, and installed a whole home surge protector. Everything was tested and is working properly.


Jason C.

Jason C. Job Checkin

For this job we did a troubleshoot in the garage because there was no power. We found that the GFI was bad and we replaced it. We tested the circuit everything checks out and works properly. We also installed a whole home surge protector and gave a quote on doing a lightning inspection.


Albert N.

Albert N. Job Checkin

System is functioning well at this point