Jerry Kelly Heating & Air Conditioning | HVAC & Water Heater Service in St. Peters, MO

High energy bills in our local climate often stem from inefficient systems, air leaks, or neglected maintenance. Our NATE-certified technicians perform thorough evaluations to identify specific issues, such as checking for proper insulation, sealing ductwork, and ensuring your system is the right size for your home. We also offer preventative maintenance plans that include cleaning coils and checking refrigerant levels, which are key to maintaining peak efficiency and lowering monthly costs for St. Peters residents.

Our comprehensive maintenance service is designed to keep your system running reliably and efficiently. It includes cleaning evaporator and condenser coils, checking refrigerant levels, inspecting electrical connections, lubricating moving parts, testing system controls, and replacing or cleaning air filters. As an ACCA-accredited and Energy Star partner, we follow industry-best practices to help prevent unexpected breakdowns and extend the life of your equipment, providing peace of mind throughout the year.

Yes, we provide 24-hour emergency service for water heater repairs. Whether you have a gas, electric, or tankless unit, our licensed technicians are dispatched promptly to diagnose and resolve issues like leaks, no hot water, or unusual noises. Founded on a promise of reliable round-the-clock service, we ensure St. Peters homeowners have access to expert help when they need it most, any day of the year.