Contact us about our 25% discount program for veterans/first responders

Get Professional HVAC or Plumbing Service at a Moment's Notice

We offer 24-hour emergency service in Fayetteville, Newnan and the Metro Atlanta areas

You rely on your HVAC system to keep you comfortable every day. When heating and cooling units break down, you need a local contractor you can trust for swift and reliable HVAC/plumbing service. Count on the experts at SEC Mechanical for professional work at affordable prices in the Fayetteville, Newnan and Atlanta, GA areas.

We have decades of experience completing HVAC repair, replacement and installation services for our residential, commercial or industrial clients. You can rely on us to service your heating and cooling system, water heater or pool heater.

Call 770-686-5440 today to set up an appointment for HVAC or plumbing repair.

Patio Heater Installation

Why are we the right choice for you?

SEC Mechanical is a veteran-owned business with a reputation for exceptional work and friendly customer service. We separate ourselves from the competition with:

Over 20 years of experience in the HVAC and plumbing industry
A complete selection of residential, commercial and industrial services
Emergency availability for 24/7 HVAC and plumbing service
Free consultations to help you make the right decision for your home or business


We're currently running several promotions to help our community during this difficult time. Veterans and first responders receive 25% off for service calls. It's also just $75 for any residence to receive our professional care. Contact us today to learn more about our current offers.

There's no job too big or too small

Our team has the knowledge and experience needed to offer a wide range of HVAC services for residential, commercial or industrial clients. You can rely on us for:

Water heater installation and repair
Heating and cooling maintenance
Pool heater installation and repair


If you're in the market for a new HVAC unit, we'll walk you through all of your options to choose the right system for your home or business. Personalized service and prices you can afford-that's our commitment at SEC Mechanical.