An HVAC service appointment is more useful when you can describe the changes you have noticed. Make a note of uneven temperatures, unusual sounds, changes in airflow and when each symptom occurs. If you are considering a new air conditioner, list the concerns you have with your existing system and the questions you want answered. Atticman Heating and Air Conditioning HVAC Heating and Air Conditioning, Insulation offers AC repair, AC installation and HVAC services for homeowners. A technician can inspect the equipment or review installation needs, then discuss options based on the home and the system.