Do Rolling Shutters Save Money On My Energy Bills?

During summer, a south-facing window can let in up to 1,400 BTU per square foot of glass area per day. For a large window, this can make your air conditioner run much longer and use substantially more electricity. During winter, a significant amount of heat is lost outdoors through the large window, especially on cold nights.

During summer, keep the rolling shutter either fully or partially closed depending upon how sunny it is. During spring and fall, I keep it fully open except when there is a severe storm forecast.

Rolling shutters operate similarly to an old roll-top desk with slats. A housing, which holds the slats when the shutter is open, is mounted above the window. The ends of the horizontal slats slide in a vertical track mounted on each side of the window opening. For my seven-foot-high window, the size of the housing box is only seven inches square so it fits under the soffit.

When ordering a rolling shutter, you must first select the type of slats. The three basic types are PVC, foam-filled aluminum and extruded aluminum.

For most residential shutters, lightweight PVC and foam-filled aluminum are adequate. They are strong enough to protect the window glass and provide good insulation, yet they are easy to open and close.

Most PVC and foam-filled slats have slots for light punched in the flanges between the slats. In the fully closed position, the slots are blocked.

If you choose to install rolling shutters you will have reduced additional heat load that would normally be radiated through your windows you still need a well running and proper HVAC system to save you money and keep you cool and comfortable.

Need help with your AC system?  Call Aaron’s Mechanical Services at 623-388-4436 to see how we can help.

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Aaron’s Mechanical Services
623-388-4436
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