Check your filters every month for efficient system operation. Clean or replace as needed. Hire a professional to perform an annual system maintenance service one month before the cooling season begins.
If your A/C unit isn't working at all, the most common reason is that there is no power going to the unit. Check the circuit breakers (reset if needed), fuses, and plugs. Make sure the safety switch is set to ON.
Sitefinity ASP.NET CMS