One great way to get more efficient heating and cooling in your home is with a heat pump. But don't think heat pumps are just for heating. Many can be used for both heating and air conditioning. In fact, many ductless mini-split air conditioning units also operate as heat pumps.A heat pump is equipment that uses a refrigerant to move heat from one place to another.During the summer, a heat pump captures heat from inside a home and transfers it to the outdoor air through a condensing unit. heat pump is equipment that uses a refrigerant to move heat from one place to another. During the summer, a heat pump captures heat from inside a home and transfers it to the outdoor air through a condensing unit.
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Instructions. Open a terminal window or log into the computer via an SSH prompt. Type the command su - to switch to the root user. Ubuntu users, skip this step and type sudo before the next command. Type the command vi rc.local to open the rc.local file in the Vi text editor.You can replace vi with your preferred text editor. Type the path to the script you want to run at the bottom of the file on its own line.For example, if your script is stored in your home directory type. /home/your_username/start_script. at the bottom of the rc.local file.nstructions. Open a terminal window or log into the computer via an SSH prompt. Type the command su - to switch to the root user. Ubuntu users, skip this step and type sudo before the next command. Type the command vi rc.local to open the rc.local file in the Vi text editor.