air conditioning in Mount Prospect ILYou can purchase the best programmable thermostat on the market and set up the most efficient program to save the energy, but if your air conditioner does not have enough gas (freon or puron) and your filter is clogged by the dust, you will not see the energy and money savings on your utility bill you were hoping for this season. So, what can you do to make sure that your A/C system is working efficiently? Here are the tips how to maintain your air condition unit this summer: