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Humidification, Dehumidification and Evaporative Cooling
Office environments that are air conditioned during the summer and heated in the winter will suffer from low humidity without correct humidification. Prolonged exposure to a dry atmosphere will effect the health of staff, increase absenteeism and lower productivity.
One of the first noticeable effects of dry air is electrostatic shocks, which occur below a threshold of 40%RH. Other less recognisable effects include dry itchy skin, contact lenses prematurely drying out and causing discomfort, sore eyes and throat, and an increase in dehydration.
Tests have shown that the transmission of airborne viruses, such as influenza, are greater at a low humidity. Maintaining an optimum humidity will reduce airborne transmissions on an office and reduce absenteeism.
The recommended level of humidity for human health is between 40-60%RH. To maintain this level large offices will employ industrial humidification systems within the central air conditioning system. However, in-room humidifier systems are available that can introduce moisture directly and discretely to a room's atmosphere.
40-60%RH is the optimum condition for employee health and productivity in an office environment.
- Canary Wharf, UK
- Ministry of Defence, UK
- Inland Revenue, UK
- Reuters, UK
- Virgin Media, UK
- Whitehall, UK
- BOC Group plc, UK
- Direct Line Insurance, UK
- Glaxo Smithkline, UK
- Bank of America, UK
HEALTH PODCAST
Check out this podcast on how maintaining 40-60% relative humidity indoors is important in combatting the spread of viral infection.
Ajay Dhandharia
Managing Partner
“After installing the JetSpray system we observed that any level of humidity required is constantly achievable without condensation or water getting deposited on the floor or over the machine. With improved humidity conditions, teas became brighter, blacker with better bloom and improved density.”
Alan Darrock
“We need a reliable, effective humidification system to ensure that we can achieve the utmost finish to our cars. Since the new equipment was installed we have seen improvement in the quality of the paint finish, and our workforce now keep the doors closed. We have been more than pleased with the service and skill that Condair offers and will be using them in other production areas.”
Amir Ibrahimagic
Group Business Development Manager
“Konvekta has standardised its exhaust air cooling systems on the Condair ME humidifier as its evaporative cooling solution. The reliability of the unit is second-to-none. It incorporates the highest quality components that give utmost longevity and performance to our clients. Alongside the product’s USPs, Condair is also a very solutions-oriented partner. As a Konvekta energy recovery system is always custom designed for a client’s needs, it’s vital for us to have flexible design support from our evaporative cooling supplier.”
Andy Lewis
Technical Manager
“Weatherite only uses the highest quality components in its HVAC solutions, and this includes Condair’s evaporative humidifier. It certainly delivered on our specific requirements for operation, control and hygiene management, and we’ve been very pleased with the support offered by Condair in connection with this successful project.”
Bo Thornvig Jensen
Teknisk direktør
“We invested in an adiabatic cooling system and reduced our electricity consumption for cooling by 90%.”
Chris Fyfe
Quality Assurance Manager
“When paper loses moisture, ink will not adhere properly, which could cause a problem for our printing company whose reputation for quality is high. Not only has the JetSpray been proven in our industry, it is also uncomplicated, energy efficient and extremely hygienic in operation.
Due to the conditions in our print room, the humidifier has been running 99% of the day since installation, keeping RH at a perfect 50%.”
Christian Myrhøj
Produktionschef i maleafdelingen
“We have no problems with painting since we got the Condair humidification system. Our production quality is always consistent and the error rate is minimal. The energy savings on ventilation was a welcome side benefit.”
Craig Terry
UK Managing Director
“Dryness is the enemy of pianos so humidity is really important. We need 40% to 50% humidity all the time to protect the wood, whether they’re in the showroom or the workshop. Condair’s units are ideal for the job. And because we rely so heavily on the reliability of the humidifiers, we also contracted with Condair to service the humidifiers at regular intervals.
Would I recommend Condair? Oh yes, they’ve supplied great service.”
Dave Clarke
Head of Invertebrates
“Having worked with Condair since 2008, we now rely on their steam humidifiers, which we find both efficient and easy to use. They are particularly important for our irreplaceable populations of endangered species, for example our Polynesian tree snails, many of which are now sadly extinct in the wild.”
Dave Vincent
Managing Director
“Sporting Edge produce the most advanced environmental chambers in the world and it’s vital all parts of our system offer consistent reliability and performance. This is why we have standardised our humidity control using the Condair RS steam humidifier.
It provides us with a dependable, controllable product that will happily work with standard mains water. We also love the self de-scaling feature.”
Doug Lumb
Project Engineer
“The Condair DC 50W dehumidifier was actually chosen by our designers, as it fitted the bill perfectly for the environment. The unit size was based on the quantities of kit hung in the room to dry when the firefighters return to the Centre at the end of their training exercises.
It’s a reliable product and currently operating at the station just as expected, plus installation was really simple and didn’t take long at all, so all very good.
I would definitely specify Condair dehumidifiers for future projects.”
Erik Ansø
Museumsforvalter
“The noise level is now so low that you can talk normally in the ventilation room even though both the ventilation and a dehumidifier are running, which was one of the criteria. You certainly couldn't do that before, and it's worked out well in a concrete bunker.”
Gerhard Meier
Geschäftsführer
“With Condair Systems, we reliably guarantee optimum humidity, which ensures greater quality and standardisation.”
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