There are a multitude of HVAC choices. Take a look at the system or the owner's manual to find the name and model number. This will facilitate the process when your contractor asks for this information.
Before you hire an HVAC contractor, have some sort of idea of the work that needs to be done. Discussing the problem is simplified if you understand what has happened with the unit. Getting an estimate will be even more difficult if you cannot adequately describe the problem. You need to know this before you begin.
Each spring, try cleaning the fan blades and coils on the condenser fan. Make sure to turn off the fan's power first to be safe. Take the grill off and pull the blades out to clean them.
If you need to decide the best place to put your outdoor compressor unit, consider putting it in a location that is in the shade. The cooler the air that the unit is able to access, the less work it has to perform.
If your condenser comes with oil ports, you should lubricate it yearly. You can find these ports covered with rubber or metal caps. Pick a type of SAE 20 oil that is non-detergent and lightweight. Place 10 or less drops into every port to avoid overfilling.
If everyone is out, turn the air conditioner off. The house will heat up, but not too much. If will be constantly fighting the heat and using lots of electricity if it is left on all day.
Service your HVAC unit at least one time a year. This inspection will ensure that your unit is working efficiently, including a freon level and motor check, and oiling moving parts. All of these little jobs will add up to big savings in energy use, with the improved efficiency.
Do not allow your house to get extremely hot. It is only possible for an air conditioner to lower the temperature in a home by 20 degrees F in a short time. So, if you house heats up to about 95, you won't see the temperature go below 75 for a while. This is not a safe and comfortable temperature for you to sleep in.
Make sure you have your HVAC system checked at least twice a year. Generally, you want it done in the fall and the spring. Even if you do not detect a problem, you can identify and fix any potential problems when you have it checked.
Did you know an AC unit can freeze? The drain line may also freeze up. Switch the thermostat to the fan only. You should leave the repair to a professional, but switching to the fan setting should start to melt the ice.
Now that you've read the advice above, you should know more about how to keep an HVAC running for a long time. this is good to know