Residential Services

Heating & Cooling | Indoor Air Quality | Emergency Repair | Exceptional Service


Excelco is a family owned Residential and Commercial HVAC team in the metro Atlanta area. What differentiates Excelco is a culture of service combined with a significant level of technical expertise.  We are highly customer focused and average more than 20 years of experience per technician.  We strive to solve the problem correctly the first time and avoid subsequent repairs at all costs.We are flexible enough to handle projects ranging from large industrial projects to ensuring your home is operating with efficiency.  We are ready to handle all of your HVAC needs.




SERVICES We provide

  • Air Conditioning
  • Automated Control Systems
  • Automated Management Systems
  • HVAC Automation
  • HVAC Maintenance
  • Emergency HVAC Services
  • Energy Analysis
  • HVAC Retrofitting
  • Free Site Inspections
  • Yearly Site Inspections
  • Operational Cost Reduction
  • Indoor Air Quality
  • Gas Fired Inspections
  • Energy Effeciency Solutions
  • Dehumidification Services
  • AC Repair
  • Central Air
  • Heating Systems
  • Ventilation Systems
  • Air Filter Systems
  • Duct Work
  • Duct Cleaning
  • Thermostat Repair
  • Air Heat Pump
  • Hot Water Heating
  • AC Service
  • Gas Furnace
  • AC Installation
  • Dehumidification System Installation

Areas we serve

We serve 20+ miles from our home office, in Marietta. 
These are always subjective to specific cases, so please do not hesitate to ask if we can provide our services to your town! 

  • Acworth

  • Alpharetta

  • Canton

  • Crabapple

  • Cumming

  • Holly Springs

  • Kennesaw

  • Marietta

  • Woodstock