Electrical Services Marietta GA | Call E. Dennis Heating, Cooling, Plumbing & Electrical

Our thorough inspections are designed to give you peace of mind and prevent future problems. For HVAC systems, our NATE-certified technicians check refrigerant levels, electrical components, airflow, and the overall efficiency of your unit. For plumbing, we inspect for leaks, test water pressure, and assess the condition of pipes and fixtures. We take the time to explain our findings in plain language, providing honest recommendations so you can make informed decisions about your Marietta home's systems.

Yes, smart home wiring malfunctions are a common issue we address for Marietta residents. Modern smart devices require stable, clean power and proper data line installation. Problems often stem from outdated wiring, improper grounding, or overloaded circuits that can't handle the constant low-voltage demand. Our licensed electricians can diagnose your home's specific wiring setup, correct grounding issues, and install dedicated circuits or updated data cabling to ensure your smart home technology operates reliably.

NATE (North American Technician Excellence) certification is the industry's leading credential, ensuring technicians have proven knowledge and skills. When you choose E. Dennis for your HVAC installation or repair in Marietta, you're getting a technician who has passed rigorous, real-world tests. This translates to correct system sizing for our Georgia climate, precise installation that maximizes efficiency and lifespan, and accurate diagnostics for repairs. It's a key part of our commitment to quality that has earned us our A+ BBB rating and the trust of the local community since 1993.