2. **How often should I schedule professional maintenance for my air conditioning system, and what key maintenance tasks should be performed to ensure optimal performance and efficiency?
3. **What are the common signs that my air conditioner needs repairs or replacement, and how can I troubleshoot these issues on my own before calling a professional?
4. **What are the benefits of installing a programmable thermostat or smart control system with my air conditioning unit, and how can these additions improve energy efficiency and comfort?
5. **How can I improve the air quality and energy efficiency of my existing air conditioning system, and are there specific filters or upgrades available that can assist with this?
2. **What are the key steps involved in the professional installation of a central air conditioning system, and how long does the process typically take?
3. **How often should I schedule regular maintenance for my air conditioning system, and what are the essential tasks that should be included in a maintenance check-up?