If you heat with electricity, a heat pump can trim the amount of electricity you use for heating by as much as 30% to 40%. High-efficiency heat pumps also dehumidify better than standard central air conditioners, resulting in less energy usage and more cooling comfort in summer months.bsorption heat pumps use heat as their energy source, and can be driven with a wide variety of heat sources. For more information on these specific types of heat pumps, go to: 1  Air-Source Heat Pumps. 2  Ductless Mini-Split Heat Pumps. 3  Geothermal Heat Pumps.
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You can do it visually like this: 1  Open the form in the form designer. 2  In the form designer, click the button of interest. 3  Press F4 (or right click the button and then click properties). 4  The properties pane should show up. 5  At the top of the properties pane, click the lightning bolt. 6  This shows the events for the button.