When your central air conditioning system is on the blink, ask yourself, "What would Sherlock Holmes do?" The great master detective of legend would observe the available clues and deduce the events that led to the crisis -- and you can do the same. Here are some common air conditioning "cases" you can help solve. The Case of the Missing Refrigerant Your HVAC system seemed to do an adequate job of cooling the house all through the spring, only to experience a sudden decline under the incessant broil of summer heat.
26 August 2015