Take Care of Your Cooling Systems and They'll Keep You Cool OK, here we are on our preventive maintenance soapbox again! Air conditioners and heat pumps help regulate the temperature in your home and keep it more comfortable. Cooling systems require regular maintenance to remain efficient and effective. Preventive checkups may also prolong the life of your systems. Maintenance requirements vary depending on the type of system, so it is best to consult your owner's manual. Go here for some general suggested cooling system maintenance hints.