I highly recommend thisThere is a great deal of information to absorb. However, you can learn quite a bit which you can use to help you.If your HVAC system is acting up, take a tour of the house prior to calling a professional. Figure out which rooms are hot and cold. The contractor can probably figure out and fix the problem easier.Before contacting a repair service, do a short tour of the entire home. Know what part of the house is cold and which is hot. That will help your repairman figure out where the problem is, and how he can fix it easily and quickly.Keep your outdoor units free of debris when your cutting grass. Make sure you shoot the clippings in the other direction from the unit. This applies when you are taking care of the leaves in the yard.If your fan condenser has oil ports, you must lubricate it once per year. You’ll find these ports are covered with a metal or rubber cap. Use a lightweight, detergent-free SAE 20 oil, putting 10 drops in each port.For maximum efficiency, place outdoor units in a shady spot. If the air your machine draws in is already cooler, it will require less energy to regulate before it’s filtered into your home.Replace single pane windows by installing double pane, if possible. Windows that are double pane keep the cool air in and can greatly reduce the amount of time your air conditioner will need to run. It also facilitates heat retention in winter.Make sure to have your unit serviced once a year. The service will include motor inspection, oiling of moving parts, and a freon level check. Your unit will last longer this way.If you can, use double-paned windows instead of single-paned ones. Double pane windows help minimize your air conditioning use in the summer by keeping the cooler air inside your home. It also facilitates heat retention in winter.Service your HVAC unit at least one time a year. When they visit to service the unit they’re going to inspect the motors, oil the parts that move, and see how much freon is in your system. Doing this simple task can ensure that your system will be running for years with no problem!How long has the contractor been in business? Companies that are established have been proven, and you can use their track record to to determine if they provide good service. Taking risks is not something that you want to do in this area.Don’t let your home get way too hot to where it’s dangerous. Air conditioners are limited in that they can only reduce the indoor temperature 20 degrees Fahrenheit in a reasonable time limit. If your home become 100F or more, it will only cool off to about 80F. Depending on the humidity level, this temperature isn’t considered a safe sleeping temperature for the human body to be able to recover from the summer heat.