The best way you can care for the Heating plus A/C unit is to have annual repair performed.by a certified plus professional Heating plus A/C repair companyâ€¦ They have the tools necessary to supply the best assistance with this process, however a thorough AC tune-up can increase the lifetime of the unit plus help increase output of cool air plus overall performance of the machine, when our wifey plus I had current unit installed in our home, the two of us signed up for a yearly Heating plus A/C tuneup that includes repair to the heating & A/C equipment; Last week was the first time that the two of us had a tune-up repair appointment plus I was glad with the quality. They sent 2 people to toil on the Heating plus A/C system, however during the diagnostic section of the tune-up they checked all of the mechanical plus electrical components inside the machine. They thoroughly checked the heat pump, the condenser, plus the compressor. They also cleaned every section of the plan including the unit outdoors. There was a lot of mud plus dirt caked under the machine, but they used a telescoping hose with sprayer to get to everything. The repair professionals were completed in about an hour plus they even replaced our outdated air filter with a current one at no cost, i hope this will help lower our Summer AC bills plus keep the unit running smoothly during the hardest weather of the yearâ€¦ Summer heat plus humidity are one of the worst parts about residing in the deep south, but there is no place else in the world that I would rather live.