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At the top of the range are jobs that quietly become two trades in one. A motorised curtain track needs a power point behind the pelmet, which means an electrician before the curtain fitter. A wired doorbell on a villa gate fifty metres from the router needs cabling or a wifi bridge before the camera goes up. A smart thermostat on a ducted AC system means opening the existing thermostat, identifying the wiring standard, and sometimes discovering the system is not compatible at all. Each of these adds labour hours, materials and occasionally a second visit.

The single most useful mental model: you are not paying for the device to be attached to the wall. You are paying for power, connectivity and permission to be sorted out around it. When a quote looks surprisingly high, one of those three is usually the reason. When it looks suspiciously low, one of them has usually been ignored and will surface later as an extra charge.

Cooling dominates UAE electricity bills — in the summer months it is typically the largest single share of a household's DEWA, ADDC or SEWA consumption, often more than half. That makes AC control the one smart home category with a genuine payback story rather than just convenience. Scheduling the AC to ease off while the house is empty and pre-cool before you return, or holding bedrooms a degree or two higher overnight, produces savings you can see on the next bill, especially for anyone on higher consumption slabs.

The right hardware depends entirely on your AC type, and this is where buyers waste the most money. Ductless split units — the wall-mounted type common in older buildings and many Sharjah, Ajman and northern-emirates apartments — take inexpensive smart IR controllers that a technician can pair in under an hour, usually AED 200–400 per room installed. Central ducted systems use wall thermostats, and here compatibility is a minefield: many popular imported smart thermostats are built for the 24-volt wiring standard, while a large share of UAE ducted and chilled-water systems run higher-voltage thermostats. The wrong purchase is not just incompatible, it is a burnt-out device.

Never judge a smart home quote by its total. Judge it by its lines. A comparable quote states the device model and its price, the labour per device, any electrical or network work as separate items, the number of visits assumed, and what the warranty covers — device, workmanship, or both. A total with no lines is not a cheap quote or an expensive one; it is an unreadable one.

Cross-vendor comparison is where the real savings live, because pricing discipline in this trade comes from competition, not regulation. The same four-device install can come back with totals differing by AED 400–800 between vendors, usually because one is marking up hardware heavily while another marks up labour. This is exactly the comparison the tamam app is built for: it lists multiple verified vendors against your job with transparent AED price ranges rather than a single fixed rate, and booking, payment and tracking stay in-app, so the quote you compared is the record you hold if anything is disputed later.