Certified Electrical Technologies

Certified Electrical Technologies Certified Electrical Technologies is the region’s leading Electrical Contracting Firm with clients and Baltimore, MD. metro areas including Northern Virginia.

Certified Electrical Technologies is an Electrical Service firm serving Residential, Commercial, Retail and Property Management clients in the Washington, D.C. Since 1979 CET has been committed to delivering a Superior Service Experience and offers a Lifetime warranty on labor.

"Great outfit! Just might take a while to get scheduled - probably because of their popularity! Addressed issues with sw...
06/11/2026

"Great outfit! Just might take a while to get scheduled - probably because of their popularity! Addressed issues with switches and outlets I had very professionally, and the 3 issues I had were all quickly resolved, within an hour. Friendly technician, loved to help people. Grateful for the service." says navyjax2 on Google

★★★★★ Great outfit! Just might take a while to get scheduled - probably because of their popularity! Addressed issues with switches and outlets I had very professionally, and the 3 issues I had were all quickly resolved, within an hour. Friendly technician, loved to help people. Grateful f...

"Excellent customer service the technician immediately identified my problem and had me back up and running within the h...
06/11/2026

"Excellent customer service the technician immediately identified my problem and had me back up and running within the hour." says Stacy on Google

★★★★★ Excellent customer service the technician immediately identified my problem and had me back up and running within the hour.

"Very knowledgeable to his job and knew what’s the sources of shortage or defects of power line inside the household and...
06/11/2026

"Very knowledgeable to his job and knew what’s the sources of shortage or defects of power line inside the household and no time job done perfectly." says World on Google

★★★★★ Very knowledgeable to his job and knew what’s the sources of shortage or defects of power line inside the household and no time job done perfectly.

"Chuck did a wonderful job as a service tech. Kind, courteous, prompt, and knowledgeable. What more can you ask for?!" s...
06/11/2026

"Chuck did a wonderful job as a service tech. Kind, courteous, prompt, and knowledgeable. What more can you ask for?!" says David on Google

★★★★★ Chuck did a wonderful job as a service tech. Kind, courteous, prompt, and knowledgeable. What more can you ask for?!

"The technician was polite and experienced and quickly diagnosed my problem. And had it fixed within ten minutes." says ...
06/10/2026

"The technician was polite and experienced and quickly diagnosed my problem. And had it fixed within ten minutes." says Sean on Google

★★★★★ The technician was polite and experienced and quickly diagnosed my problem. And had it fixed within ten minutes.

"Service was great! The technician was knowledgeable, provided updates and left the area spotless!" says James on Goog...
06/09/2026

"Service was great! The technician was knowledgeable, provided updates and left the area spotless!" says James on Google

★★★★★ Service was great! The technician was knowledgeable, provided updates and left the area spotless!

"Pur issue was areal mystery. The electrician was patient and professional. He eventually found the culprit and had our ...
06/03/2026

"Pur issue was areal mystery. The electrician was patient and professional. He eventually found the culprit and had our circuit back on board in a matter of minutes. He was very courteous and professional - 5s!" says Dr. Dean on Google

★★★★★ Pur issue was areal mystery. The electrician was patient and professional. He eventually found the culprit and had our circuit back on board in a matter of minutes. He was very courteous and professional - 5s!

"Mr. Chuck Harlow of Certified Electrical Technologies came out to look at two outlets and one light switch. He meticu...
06/02/2026

"Mr. Chuck Harlow of Certified Electrical Technologies came out to look at two outlets and one light switch. He meticulously rooted out the problem and discovered the problem was in another room. He was able to fix the situation. He kept me informed about what was happening all the way through his process. Thank you so much for such professional service." says Anton on Google

★★★★★ Mr. Chuck Harlow of Certified Electrical Technologies came out to look at two outlets and one light switch. He meticulously rooted out the problem and discovered the problem was in another room. He was able to fix the situation. He kept me informed about what was happening all the wa...

"Technician was knowledgeable and replaced my door bell as required" says Veronica on Google
06/02/2026

"Technician was knowledgeable and replaced my door bell as required" says Veronica on Google

★★★★★ Technician was knowledgeable and replaced my door bell as required

"Very sharp, efficient , straight-shooter type people. The phone contact person (Lisa) was patient , explained all ; Al...
06/02/2026

"Very sharp, efficient , straight-shooter type people. The phone contact person (Lisa) was patient , explained all ; Alan (sharp, knowledgeable) did great work at my house. Recommend this Company." says A. on Google

★★★★★ Very sharp, efficient , straight-shooter type people. The phone contact person (Lisa) was patient , explained all ; Alan (sharp, knowledgeable) did great work at my house. Recommend this Company.

Address

PO BOX 60650
Rockville, MD
20859

Opening Hours

Monday 8am - 6pm
Tuesday 8am - 6pm
Wednesday 8am - 6pm
Thursday 8am - 6pm
Friday 8am - 6pm

Telephone

+18662585252

Website

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