Service, Repair & Installation

There’s no need to sweat the Charleston heat. Bozzelli and Sons Heating and Air provide skilled repairs and seasonal maintenance, ensuring dependable operation from your air conditioner. We are a family-owned company with 20 years of experience. Contact us at 843-743-1035 for an appointment that suits your busy lifestyle, and know that we show up right on time, prepared to resolve any challenge.  So, don’t sweat it. We are here to keep you cool.


HVAC Maintenance & Repairs

Whether you’re in need of prompt repair or preventative maintenance, not all HVAC contractors are qualified to service your equipment. At Bozzelli and Sons Heating and Air, we prioritize the training of our technicians. Our team receives continual education, remaining current with evolving technology and procedures, and are outfitted with leading-edge diagnostic equipment, specialized tools, and a broad inventory of genuine replacement parts.

Out of This World


We work on all makes and models, optimizing performance to meet your long-term expectations. Take advantage of our regular maintenance plans in order to ensure maximum energy efficiency and cooling capacity. Contact Bozzelli and Sons Heating & air for out of this world service.

You can’t predict an emergency, but you can rely on our team!

Preventative Maintenance


Most companies charge you for annual service agreements or annual maintenance plans. At Bozzelli Heating and Air, we only charge you for what you need – maintenance.

  •  Check condition and amp draw on all motors
  •  Check condition and amp draw on the compressor
  • Clear drain line with vacuum
  • Add time release algaecide tablets to drain pan
  • Bleach drain line to kill any algae colonies
  • Clean condenser coil if necessary
  • Clean evaporator coil if necessary
  • Inspect heat strips
  • Check discharge and return air temperature
  • Check freon levels
  • Inspect ductwork for any leaks or damage
  • Inspect and test float switches
  • Check proper thermostat operation
  • Check wiring connections, tightening as necessary
  • Inspect all safety controls
  •  Test all capacitors
  • Inspect blower wheel and clean if necessary
  • Check electrical contacts on all contractors
  • Inspect for refrigerant leaks
  • Check condensate pump
  • Check defrost controls
  • Check tension and condition of all belts


  • Check flue draft
  • Check combustion
  • Inspect vent piping
  • Clean burner assembly
  • Clean ignition assembly
  • Inspect gas valve
  • Inspect heat exchanger

Contact Us Today
We Service All Makes and Models