Guides
Plain answers to the questions UAE residents ask about humidity: what the readings mean, why the AC is not enough, which system fits which home, and what it costs to run. No rankings and no invented figures; where a number is still missing it is marked.
Featured guide
Humidity basics1 min read
Dubai humidity by month, dew point explained, why August is worst and why 45 to 55% RH indoors matters. Monthly table and what to do when AC is not enough.
Read more about Humidity in Dubai, month by month
33 guides
Humidity basics1 min read
Abu Dhabi humidity month by month, the July to September peak, coastal and island readings, and the indoor level to aim for. What it does to your home.
Read more about Abu Dhabi humidity, month by month
Comparisons1 min read
A humidifier adds moisture, a dehumidifier removes it. In the UAE the answer is almost always a dehumidifier: symptoms table, the exception, and sizing.
Read more about Humidifier vs dehumidifier
Comparisons1 min read
An air purifier catches spores and dust; a dehumidifier stops mould growing. Why filtration alone does not stop mould, and how one ducted unit does both.
Read more about Air purifier vs dehumidifier
Humidity basics1 min read
Air passes over a cold coil, water condenses and drains away, dry air returns. Refrigerant vs desiccant, portable vs ducted, why ducted needs no tank.
Read more about What a dehumidifier does, and how it works
Comparisons1 min read
No ranking, just the checklist: litres a day in UAE conditions, tank or drain, noise, coverage, filtration, service. When a portable is enough.
Read more about How to choose a dehumidifier for a UAE home
Comparisons1 min read
A 20 L portable fills its tank in a day in August and treats one room. What portables do, what a ducted system does, and the break-even.
Read more about Ducted vs portable dehumidifier
Comparisons1 min read
AC removes some moisture while cooling but cannot hold a set humidity; dry mode helps in April and October only. Latent vs sensible cooling, and the fix.
Read more about Dehumidifier vs air conditioner dry mode
Humidity basics1 min read
Oversized AC that short-cycles, supply air at 88% RH, sealed glazing and night-time humidity. Eight UAE causes, how to measure, the fix that holds 50% RH.
Read more about Why your house is humid even with the AC on
Sizing and cost1 min read
Sizing by moisture load, not floor area: a table by property type, ceiling height, occupancy and wet rooms, and the steps to work out litres a day.
Read more about What size dehumidifier do you need?
Sizing and cost1 min read
Evaporation formula for indoor pools, a worked example for an 8 x 4 m pool at 28 °C, air change needs and why pool halls need 50 to 60% RH.
Read more about How to size a dehumidifier for an indoor pool
Sizing and cost1 min read
Kilowatts, hours and the DEWA tariff (about AED 0.30 per kWh with surcharge and VAT) turned into a monthly figure for portable and ducted units.
Read more about What a dehumidifier costs to run in the UAE
Humidity basics1 min read
Yes for sealed apartments, villas with mould, pool rooms and storage; no if your hygrometer reads under 55% all summer. Signs, cost versus damage.
Read more about Is a dehumidifier worth it in Dubai?
Humidity basics1 min read
45 to 55% RH is the comfort and mould-safe band; above 60% mould and dust mites take off, below 40% static and dry skin. What each level feels like.
Read more about The ideal indoor humidity level for a UAE home
Humidity basics1 min read
A hygrometer under AED 100 beats any guess: where to place it, when to read it, what 60% overnight means and how to log a week before you call anyone.
Read more about How to measure the humidity in your home
Humidity basics1 min read
Twelve steps ranked by effect, from closing balcony doors and fixing the AC drain to a whole-home dehumidifier. What works without one, and its limit.
Read more about How to reduce humidity in your house
Mould and damp1 min read
What mould removal costs in Dubai, when DIY fails on gypsum and concrete, and what every quote leaves out: mould returns unless humidity drops below 60%.
Read more about Mould removal in Dubai: cost, method and why it comes back
Mould and damp1 min read
Closed wardrobes in humid flats sit above 65% RH, so cotton, leather and shoes grow mould. How to clean them, what to throw out, how to stay under 55%.
Read more about Mould in the wardrobe: causes and the fix
Mould and damp1 min read
What black mould is, where it hides in UAE homes (AC vents, wardrobes, bathroom ceilings), health effects, when to call a professional, what stops it.
Read more about Black mould in the home
Humidity basics1 min read
Dust mites, mould spores, night-time breathing trouble and puffy eyes all rise above 60% RH. What the evidence says, who is most affected, what helps.
Read more about What high indoor humidity does to your health
Humidity basics1 min read
Water on the glass at dawn and drips from the diffuser mean indoor air is above its dew point. Why it happens in Dubai, what it does to gypsum, the fix.
Read more about Condensation on windows and AC vents
Mould and damp1 min read
A musty smell is mould growing somewhere above 60% RH: AC coils, wardrobes, under sinks, behind furniture. How to find the source and remove it for good.
Read more about Musty smell in the house: causes and fix
Mould and damp1 min read
Three causes, three fixes: condensation damp (humidity), a leak (plumbing or roof) or rising damp (waterproofing). The foil test, and when to dehumidify.
Read more about Damp walls: find the cause before you fix it
Humidity basics1 min read
Lower floors are cooler, so the same air sits closer to its dew point; add slab moisture and poor airflow and you get damp kitchens and basements.
Read more about Why ground floors and basements stay damp, and the fix
Fresh air and IAQ1 min read
ASHRAE 62.1 and 62.2 ventilation rates per person and per square metre, how they apply in the UAE, and why undried outdoor air brought in causes mould.
Read more about ASHRAE fresh air requirements, in plain terms
Fresh air and IAQ1 min read
How an ERV recovers cooling energy from exhaust air, what it saves in Dubai conditions, when a bypass helps, and why an ERV alone does not fix humidity.
Read more about Heat recovery ventilation in the UAE
Fresh air and IAQ1 min read
What a Dubai IAQ test measures, thresholds for RH, PM2.5, CO2 and VOCs, why humidity drives most of it, and what a filtering ducted dehumidifier changes.
Read more about Indoor air quality in Dubai homes
Fresh air and IAQ1 min read
Duct cleaning removes dust and mould from the ducts; it does not change the humidity that grew the mould. When to clean, published costs, what stops it.
Read more about AC duct cleaning in Dubai: what it fixes, what it does not
Mould and damp1 min read
Six weeks with the AC off can leave every surface mouldy. What to do in the first 24 hours, what to throw out, which AC setting to leave on, the fix.
Read more about Back from holiday to a mouldy home
Mould and damp1 min read
What Dubai tenancy practice says about maintenance, what an inspection report should show, how the Rental Dispute Centre works, what to ask the owner.
Read more about Who pays for humidity and mould damage: landlord or tenant?
Mould and damp1 min read
After a pipe burst or AC leak, walls and floors hold water for weeks. Drying order, how much water a wet villa releases, rental vs installed units.
Read more about Drying out after water damage
Maintenance1 min read
How often the pre-filter is cleaned, when the fine filter is replaced, what a yearly service checks on the drain and coil, and what it costs.
Read more about Maintenance: filters, drain and lifespan
Comparisons2 min read
When a rented portable unit is right (water damage, a few weeks, a site) and when a concealed ducted system pays back. Who rents in Dubai and what to ask.
Read more about Renting a dehumidifier in Dubai, or installing one?
Humidity basics1 min read
Dubai humidity by month, dew point explained, why August is worst and why 45 to 55% RH indoors matters. Monthly table and what to do when AC is not enough.
Read more about Humidity in Dubai, month by monthHumidity basics1 min read
Abu Dhabi humidity month by month, the July to September peak, coastal and island readings, and the indoor level to aim for. What it does to your home.
Read more about Abu Dhabi humidity, month by monthHumidity basics1 min read
Air passes over a cold coil, water condenses and drains away, dry air returns. Refrigerant vs desiccant, portable vs ducted, why ducted needs no tank.
Read more about What a dehumidifier does, and how it worksHumidity basics1 min read
Oversized AC that short-cycles, supply air at 88% RH, sealed glazing and night-time humidity. Eight UAE causes, how to measure, the fix that holds 50% RH.
Read more about Why your house is humid even with the AC onHumidity basics1 min read
Yes for sealed apartments, villas with mould, pool rooms and storage; no if your hygrometer reads under 55% all summer. Signs, cost versus damage.
Read more about Is a dehumidifier worth it in Dubai?Humidity basics1 min read
45 to 55% RH is the comfort and mould-safe band; above 60% mould and dust mites take off, below 40% static and dry skin. What each level feels like.
Read more about The ideal indoor humidity level for a UAE homeHumidity basics1 min read
A hygrometer under AED 100 beats any guess: where to place it, when to read it, what 60% overnight means and how to log a week before you call anyone.
Read more about How to measure the humidity in your homeHumidity basics1 min read
Twelve steps ranked by effect, from closing balcony doors and fixing the AC drain to a whole-home dehumidifier. What works without one, and its limit.
Read more about How to reduce humidity in your houseHumidity basics1 min read
Dust mites, mould spores, night-time breathing trouble and puffy eyes all rise above 60% RH. What the evidence says, who is most affected, what helps.
Read more about What high indoor humidity does to your healthHumidity basics1 min read
Water on the glass at dawn and drips from the diffuser mean indoor air is above its dew point. Why it happens in Dubai, what it does to gypsum, the fix.
Read more about Condensation on windows and AC ventsHumidity basics1 min read
Lower floors are cooler, so the same air sits closer to its dew point; add slab moisture and poor airflow and you get damp kitchens and basements.
Read more about Why ground floors and basements stay damp, and the fixMould and damp1 min read
What mould removal costs in Dubai, when DIY fails on gypsum and concrete, and what every quote leaves out: mould returns unless humidity drops below 60%.
Read more about Mould removal in Dubai: cost, method and why it comes backMould and damp1 min read
Closed wardrobes in humid flats sit above 65% RH, so cotton, leather and shoes grow mould. How to clean them, what to throw out, how to stay under 55%.
Read more about Mould in the wardrobe: causes and the fixMould and damp1 min read
What black mould is, where it hides in UAE homes (AC vents, wardrobes, bathroom ceilings), health effects, when to call a professional, what stops it.
Read more about Black mould in the homeMould and damp1 min read
A musty smell is mould growing somewhere above 60% RH: AC coils, wardrobes, under sinks, behind furniture. How to find the source and remove it for good.
Read more about Musty smell in the house: causes and fixMould and damp1 min read
Three causes, three fixes: condensation damp (humidity), a leak (plumbing or roof) or rising damp (waterproofing). The foil test, and when to dehumidify.
Read more about Damp walls: find the cause before you fix itMould and damp1 min read
Six weeks with the AC off can leave every surface mouldy. What to do in the first 24 hours, what to throw out, which AC setting to leave on, the fix.
Read more about Back from holiday to a mouldy homeMould and damp1 min read
What Dubai tenancy practice says about maintenance, what an inspection report should show, how the Rental Dispute Centre works, what to ask the owner.
Read more about Who pays for humidity and mould damage: landlord or tenant?Mould and damp1 min read
After a pipe burst or AC leak, walls and floors hold water for weeks. Drying order, how much water a wet villa releases, rental vs installed units.
Read more about Drying out after water damageComparisons1 min read
A humidifier adds moisture, a dehumidifier removes it. In the UAE the answer is almost always a dehumidifier: symptoms table, the exception, and sizing.
Read more about Humidifier vs dehumidifierComparisons1 min read
An air purifier catches spores and dust; a dehumidifier stops mould growing. Why filtration alone does not stop mould, and how one ducted unit does both.
Read more about Air purifier vs dehumidifierComparisons1 min read
No ranking, just the checklist: litres a day in UAE conditions, tank or drain, noise, coverage, filtration, service. When a portable is enough.
Read more about How to choose a dehumidifier for a UAE homeComparisons1 min read
A 20 L portable fills its tank in a day in August and treats one room. What portables do, what a ducted system does, and the break-even.
Read more about Ducted vs portable dehumidifierComparisons1 min read
AC removes some moisture while cooling but cannot hold a set humidity; dry mode helps in April and October only. Latent vs sensible cooling, and the fix.
Read more about Dehumidifier vs air conditioner dry modeComparisons2 min read
When a rented portable unit is right (water damage, a few weeks, a site) and when a concealed ducted system pays back. Who rents in Dubai and what to ask.
Read more about Renting a dehumidifier in Dubai, or installing one?Sizing and cost1 min read
Sizing by moisture load, not floor area: a table by property type, ceiling height, occupancy and wet rooms, and the steps to work out litres a day.
Read more about What size dehumidifier do you need?Sizing and cost1 min read
Evaporation formula for indoor pools, a worked example for an 8 x 4 m pool at 28 °C, air change needs and why pool halls need 50 to 60% RH.
Read more about How to size a dehumidifier for an indoor poolSizing and cost1 min read
Kilowatts, hours and the DEWA tariff (about AED 0.30 per kWh with surcharge and VAT) turned into a monthly figure for portable and ducted units.
Read more about What a dehumidifier costs to run in the UAEFresh air and IAQ1 min read
ASHRAE 62.1 and 62.2 ventilation rates per person and per square metre, how they apply in the UAE, and why undried outdoor air brought in causes mould.
Read more about ASHRAE fresh air requirements, in plain termsFresh air and IAQ1 min read
How an ERV recovers cooling energy from exhaust air, what it saves in Dubai conditions, when a bypass helps, and why an ERV alone does not fix humidity.
Read more about Heat recovery ventilation in the UAEFresh air and IAQ1 min read
What a Dubai IAQ test measures, thresholds for RH, PM2.5, CO2 and VOCs, why humidity drives most of it, and what a filtering ducted dehumidifier changes.
Read more about Indoor air quality in Dubai homesFresh air and IAQ1 min read
Duct cleaning removes dust and mould from the ducts; it does not change the humidity that grew the mould. When to clean, published costs, what stops it.
Read more about AC duct cleaning in Dubai: what it fixes, what it does notMaintenance1 min read
How often the pre-filter is cleaned, when the fine filter is replaced, what a yearly service checks on the drain and coil, and what it costs.
Read more about Maintenance: filters, drain and lifespanFloor plan or photos on WhatsApp are enough to start. A survey confirms the rest.