A week ago, when the weather was quite even and not too tepid or too cold, I woke up 1 morning and discovered that the home was measuring about 88 degrees. I went to the control unit and pushed it lower, in the hopes that would make the cooling system kick on as it is supposed to. Unfortunately, there was no luck. I called in the local heating and cooling business to see if they could come out for an Heating, Ventilation and A/C maintenance visit and determine what was going on with the cooling system. They Heating, Ventilation and A/C business was quite professional and really easy to deal with. The cooling system maintenance specialist called while enroute to make sure the two of us knew he was on his way. He was pleasant when he arrived and set about to do the cooling system inspection straightaway. He was diligent while using his tools to open up the outdoor cooling system unit and was careful not to drag dirt or grease when he came into the house. After inspecting the air vents, the ducts, and the compressor, he gave us the terrible news. The Heating, Ventilation and A/C plan repairs would be expansive. He suggested that it might be a nice method to replace the Heating, Ventilation and A/C rather than maintenance it, since the maintenance costs would be high. The people I was with and I decided the two of us would need some time to suppose it over, and since the weather was so perfect, the two of us did not hurry ourselves along. Now, though, it is getting quite chilly at evening, and I am in need of a furnace than works well. The time has come to make a decision. Should the two of us maintenance or replace the Heating, Ventilation and A/C system?