Published 2026-04-19 · Progetto Shades Journal
How Long Should Window Treatments Last in San Diego?
Anywhere from three years to twenty-five, and the spread comes down to three things: what you bought, how well it was built, and which window it hangs in. A forty dollar off-the-shelf roller shade in a south-facing bedroom will show UV damage in the fabric inside two or three years. A custom-measured composite shutter in that same window still looks like installation day fifteen years on, and it asks nothing of you but an occasional wipe.
Sun decides it here. San Diego runs around 266 sunny days a year with a high UV index, and that is harder on fabric, plastic components and surface coatings than almost any other residential climate in the lower 48. The fabric a manufacturer sells as a ten-year product in Seattle is realistically a five-year product in a west-facing window here. At Progetto Shades we specify against the exposure rather than against the number on the sample book, which is the single biggest reason two identical-looking shades age so differently.
Composite plantation shutters are the longest-lived thing we install, at 20 to 25 years, with the louver tilt as the only moving part. Real wood matches them structurally but wants re-oiling or repainting every five to seven years on a south or west exposure. Cellular shades run 8 to 12 years in standard polyester and 12 to 15 in solution-dyed fabric, where the color sits in the fiber instead of on top of it. Roller fabrics span 5 to 12 on the same logic, and PVC-coated fiberglass solar fabrics reach 10 to 15 even at the coast.
Should You Repair a Failing Shade or Replace It?
Repair it when the fabric is sound and the mechanism failed. Replace it when the fabric has gone. The mechanism stops mattering at that point. That one rule settles most of the calls we take, and it usually saves people more money than they expect.
On honeycomb cellular shades, the lifting mechanism often gives out before the fabric does, particularly on a wide shade somebody raises and lowers twice a day. Swapping a cord lock, a cordless spring or a motor runs well under the cost of a new shade, and it is work we do. If the fabric is already ten years into a twelve-year life, we will say so and tell you to put the money toward the replacement instead of a new mechanism inside a tired shade. That is the honest answer even when it is the smaller job for us.
Motors are rated around ten years at four to eight operations a day, and the manufacturers we buy from carry a two-year parts warranty on them. A motor that has turned noisy, hesitates, or stops in the wrong place inside that window is a warranty claim, and we coordinate it with the manufacturer and schedule the return visit ourselves. Outside the warranty, a replacement motor in a shade whose fabric is still good is nearly always the cheaper move.
What Are the Signs It Is Time to Replace?
Fabric is what fails first, so start there. Color fading shows earliest on the sun-facing side. After that come brittleness or cracking at the edges and the bottom hem, coating that has started to delaminate on the back, and pinholes of light through a section that used to be opaque. Cellular shades whose cells have collapsed and will not re-inflate are finished regardless of how the face looks.
Hardware tells a different story, and it is usually the better news. A roller tube that no longer retracts smoothly, spring tension too weak to hold an intermediate position, mounting brackets with play in them: those are mechanism problems, and on their own they rarely justify replacing a whole shade. We would rather repair them. The time that changes is when the fabric is aging too, and then one job beats two.
With roller shades in particular, people tend to wait longer than they should on a fabric that has gone brittle, because it still rolls. It will tear at the hem the first time somebody tugs it at an angle. If you are running a hand along the bottom bar and feeling the fabric crackle, that shade is on borrowed time no matter how well the tube works.
How Do You Make the Next Set Last Longer?
Put the money into fabric and construction before you put it into features. Solution-dyed fabric over standard polyester is the upgrade we push hardest, because it is the difference between a shade that fades at year six and one that still looks right at year twelve, and it costs a fraction of what replacing early does. On a hot west exposure we will steer you to composite plantation shutters over real wood for the same reason.
Care matters less than specification. It is still most of what we go over at handover. Dust monthly, so grit does not work into the fibers and act as an abrasive every time the shade moves. Never pull a motorized shade by hand while the motor is driving it, since that is the most common way we see a gear mechanism killed early. Recharge a battery motor when the indicator asks rather than waiting for it to run flat.
If your shades are showing the signs above and you are not sure whether you are looking at a repair or a replacement, we will tell you which one you are looking at before we quote anything. Call Progetto Shades at (858) 338-1678 or book an in-home measure, and we will bring samples, check what you have, and give you the honest version.