"We Take a Step Back In Time When
It Comes To Personalized Service”
NRG Mechanical, LLC is a fully licensed, bonded, and insured HVAC specialist that has been serving the St. Charles, MO and surrounding areas for over 25 years.
When you need professional service, call us!
Our company gladly services all heating and cooling brands.
We repair, install, and provide routine services for your HVAC equipment as well as duct cleaning. Our owner-operated business is happy to meet your needs when you need us most, guaranteed.
• 2nd opinion on condemned equipment
• FREE estimates
• Custom solutions
• Same day service
• 24-HOUR EMERGENCY service