Generally, it's recommended to change your air filters every 30-90 days, depending on the type of filter, usage, and environmental factors such as dust, pets, and allergy concerns. Regularly changing HVAC filters can improve indoor air quality, system efficiency, and reduce energy costs.

SEER stands for Seasonal Energy Efficiency Ratio, which measures the energy efficiency of an air conditioning system. A higher SEER rating indicates a more energy-efficient cooling system, helping you save on utility bills while reducing your environmental impact.

It's recommended to have your HVAC system serviced at least once a year. Regular maintenance can extend system life, improve efficiency, and prevent potential breakdowns. Be sure to check your air conditioning in spring and your heating system in fall for optimal performance.

The size of your HVAC system depends on factors such as square footage, insulation, and local climate. An HVAC professional can perform a load calculation to determine the proper size for your needs. An accurately sized system will operate efficiently and provide better comfort and air quality.