Recommended Humidity levels
We are providing a generic list of recommended humidity levels for various residential, commercial and industrial conditions. After checking your current humidity levels, you can select the right dehumidifier or humidifier to control the humidity. The recommended levels are only for guidance. The exact recommended levels should be checked with the manufacturer of the respective products. This is because even under the same category, different manufacturers will have different recommendations.
Should you need to control humidity we are supplying dehumidifiers and humidifiers manufactured by Trotec, Germany. Please contact us with your requirement and we will assist you to select the correct dehumidifier.
Selection criteria for controlling the humidity
In order to select the right equipment for controlling the humidity, you need to collect these details:
- Maximum and minimum temperature levels.
- Maximum and minimum Relative Humidity (%RH) in the present situation.
- Desired humidity levels based on your requirements.
- Based on these, you can decide whether you need to increase the humidity or reduce humidity.
- You can see our article on the selection of dehumidifiers for more technical details.
Recommended Humidity levels for various applications
| Environment / Stored items | Recommended Relative Humidity (RH %) | |
| 1 | Rooms, offices etc. | Between 40% to 60% is the comfortable level |
| 2 | Processed Sugar Storage in sacks or plastic bags | 25-30% |
| 3 | Coffee Powder in paper or porous bags | 30 – 40% |
| 4 | Milk Powder paper or porous bags | 20 – 35% |
| 5 | Storage of Seeds | 35 – 45% |
| 6 | Medicines before packing in moisture free packets | 20 – 30% |
| 7 | Packed medicines | 50-60% |
| 8 | Finished Electronic items without moisture free packing | 50-60% |
| 9 | Electronic components without packing | 30 – 40% |
| 10 | Books and Paper products without packing | 40 – 55% |
| 11 | Paper rolls, paper sheets etc | 35 – 45% |
| 12 | Ferrous and composite Materials which are prone to rust | below 40-50%, |
| 13 | Museums, art galleries | 50 – 55% |
| 14 | Computer hardware & accessories | 50 – 60% |
| 15 | Wood products, wooden planks | 25 – 35% |
| 16 | Explosive materials | 35 – 50% |
| 17 | Medical gloves | 55 – 60% |
| 18 | Musical Instruments consisting of wooden or leather components | 45 – 55% |
| 19 | Leather Products, raw leather, leather sheet etc | 40 – 50% |
| 20 | Tobacco factory | 60-70% |
| 21 | Datacenter & server rooms | between 55-65% |
| 22 | Storage of Onion | 30 to 40% |
| 23 | Storage of Potatoe | 40% to 50% |
These are for general information only. Please check with your specific needs, specifications of the stored product, local regulations etc. before purchasing the right dehumidifier.
A Dehumidifier is used to reduce the humidity and a humidifier is used to increase humidity. For 
calculation of the capacity of the required machine, we would require your present level of humidity and your desired levels of humidity. Also, we require the size of the storage area so that we can calculate your exact requirements
VackerGlobal is supplying these dehumidifiers in various Emirates of the United Arab Emirates covering Dubai, Abudhabi, Sharjah and in other Middle East countries including Kuwait, Oman, Qatar, Saudi Arabia, Kuwait & Bahrain. Also, we are undertaking supply and installation in African countries covering Nigeria, Kenya, Cameroon, Ethiopia, Djibouti, Ghana, Congo etc..