Last summer, I noticed that my energy bills had tripled and I hadn’t added any energy-consuming system in my house. I wondered what the issue would be. I keep a strict budget and this new cost on my energy bill was not welcome. Though my central air conditioning unit was functioning well, I was paying too much for it. To deal with issues, I had to eliminate any suspect issues so I scheduled a quality AC service on the cooling equipment. The tune-up revealed that there was a leak in the air duct. This vent carries cool air throughout the house and so when there is a leak the zoned HVAC struggles to provide adequate temperatures. This in turn caused the unit to use too much energy to provide the desired temperatures which then racked up the energy bills. To repair this, the cooling specialist can repair the leaking vent or get a new one. Another issue that I was dealing with last summer was low refrigerant. Refrigerant is what the cooling unit uses to remove the heat from within the home or business for the commercial air conditioning systems. When low, the unit would use a lot of energy to function. I noticed that my unit did not help with indoor comfort. To fix this issue, the cooling workman examined the unit to find where the leaks were causing low levels of the refrigerant. Afterward, he would perform HVAC service on the unit to refill the refrigerant. If this issue is checked earlier as I did in my case, one would have to get an entirely new HVAC system. There are also other minor issues such as problems with the wireless thermostat and a dirty HEPA filter. This can easily be dealt with before they develop into bigger issues.