Johgee Johgee 4-Zone RF
Four zones, one app — radio control that reaches the far corner of the garden.
Reduce your DEWA water bill
Utility guides name over-run irrigation as a top cause of high villa water bills. Water before 8am, for exact minutes, on a schedule you actually control.
To reduce your DEWA water bill, start with the garden. On a villa meter, irrigation is usually the biggest use you never actually see happen — it runs before dawn, often longer than it needs to, and quietly pushes your consumption into the higher-priced slabs. Watering in the cool window, for exact minutes, on schedules you set per zone is the cheapest fix there is. Below is the honest math and method — with a calculator so you can put a real number on it.
Enter your lawn or planted area and see the estimated monthly cost on the DEWA slab tariff — plus what an efficient drip and timer setup could change.
The silent bill-killer
A stuck or over-set timer, a broken sprinkler head, or a gardener watering daily adds cubic metres you never notice — until the bill lands.
At 45°C, lawns and pots drink far more than in winter. The schedule that was fine in January quietly overshoots every single day in July.
Most gardens are watered for too long. Exact-minute, per-zone runtimes stop the overwatering that tips your meter into the higher slabs.
Targeted drip and micro-irrigation put water at the roots instead of evaporating off a wet lawn in the midday sun.
The app logs when and how long each zone ran, so a runaway schedule or an extra manual soak cannot hide from you.
Scheduling before 8am (or after 6pm) — the window DEWA advises — means less evaporation and more of your paid water reaching the plant.
Method
Five practical steps, in order. A timer does the hard part — running them, every day, in the cool window.
Use our DEWA water cost calculator to estimate the cubic metres and AED your lawn or planted area uses each month on the slab tariff. You cannot cut what you have not measured.
Schedule all watering before 8am, or after 6pm, following DEWA guidance. Cooler air means far less of your paid water evaporates before it reaches the roots.
Set a specific runtime per zone, start on the low side, and increase only if plants show stress. Split into two short cycles so water soaks in rather than running to the drain.
Lawn, shrub beds and pots want different amounts. Independent zones stop you watering the whole garden to the thirstiest plant's schedule.
Confirm each zone ran as set. A stuck valve, a manual soak by the gardener, or a schedule that drifted shows up here long before it shows up on your DEWA bill.
An honest note on savings
Every figure here and in the calculator is an estimate for the water portion of your bill only. It is based on the published DEWA residential slab tariff (7.70 / 8.80 / 10.12 AED per m³), a fuel surcharge of about 1.10 AED/m³ and 5% VAT. In Abu Dhabi, ADDC charges expat villas about AED 7.84/m³ (green) rising to AED 10.41/m³ (red) above 5 m³/day.
Tariffs and surcharges change over time — always check your latest bill and the DEWA slab tariff page.
A timer can only reduce what irrigation actually costs. It cannot change your housing fee, meter charge or electricity, and we do not promise a fixed percentage — your result depends on your garden, your current habits and your tariff.
The tool for the job
For a villa, the Johgee 4-Zone RF is the tool for this job: four independent schedules mean your lawn, beds, pots and trees each get exact minutes instead of one blanket soak. Its RF gateway reaches a tap set behind thick concrete walls, where a Wi-Fi-only timer would drop offline — so the schedule you set to protect your bill actually keeps running.
On a balcony or a small garden near your router, the RainPoint 2-Zone Wi-Fi does the same job at a smaller scale. Compare all water timers if you are not sure which one fits your setup.
Johgee Four zones, one app — radio control that reaches the far corner of the garden.