Heating and Cooling Maintenance FAQs

Q: How often should air filters be replaced or cleaned?

A: That depends on the type of air filters you have.

  • Quality 1 inch pleated air filters should be replaced every 3 or 4 months.
  • Electronic air cleaners should be cleaned at least every 3 months
  • Electro-static filters should be cleaned once a month
  • 5 inch media filters should be replaced every 6 months to one year

Q: How long does a furnace last?

A: About 80 to 90 percent of furnaces built after 1992 have an approximate life span of 20 years if well maintained.

Q: How often should maintenance be performed on heating and cooling systems?

A: Heating and cooling systems should have a tune up and cleaning, which is part safety test, part preventative maintenance and part cleaning, at least once per year.

Q: What should I do if my equipment fails to operate normally?

A: First check the obvious, T-stat settings, batteries, air filters and on/off switch. Then call for service. Do not attempt to work on the system yourself.