Rajesh Sachdev, carries an unwavering passion for energy efficiency and spearheading the low carbon revolution. His expertise has empowered him to deliver an extraordinary array of solutions in the space of water heating, ventilation, and water purification. His deep-rooted understanding of energy efficiency fuels his relentless pursuit of innovative solutions that go beyond the ordinary. His vision extends far beyond mere business success; it encompasses a profound commitment to leaving a lasting impact on the world.
Mechanical ventilation systems and centrally air-conditioned homes go hand in hand.
Having centrally air-conditioned homes is the preferred choice for having controlled climatic conditions in our indoor space, tailored for our comfort and to keep outdoor noise and air pollution at bay.
Centrally air-conditioned homes address our comfort living
While ventilation systems address the health and hygiene of the space and its occupants. They make the space breathe, come to life, and bring positivity into our homes.
Fresh air ventilation in our homes always keeps our home fresh and healthy.
Studies show that the air in our homes is 2-5 times more polluted than outdoor air. We feel comfortable as we can:
Reduce noise pollution, control harsh sunlight which saps away our energy, prevent outdoor pollutants and particulate matter like p.m. 2.5, diesel particles, smog, etc., and control our climatic conditions with the use of air conditioners.
But even though we feel comfortable, our homes are not healthy as we are constantly polluting our homes due to our day-to-day activities and appliances that we use. The main causes of pollutants in our homes are:
We are constantly exhaling carbon dioxide and inhaling oxygen. After a period of time, the levels of carbon dioxide increase in our home, making it unhealthy. We use gas-based cooking appliances which release carbon monoxide, which is again very harmful to our health. Prolonged exposure to excessive carbon dioxide is responsible for:
Shortness of breath, acceleration of asthmatic symptoms, reduced mental alertness, memory loss, fatigue, and various other respiratory illnesses.
Fresh air ventilation helps by diluting the carbon dioxide produced by us in our indoor spaces and harmful gases emitted by our cooking gas appliances.
Our indoor activities like usage of laundry detergents for washing clothes, usage of cooking oils and masalas for cooking, soaps and shampoos for bathing, paints, varnishes, and glues used in our furniture, furnishings, and mattresses constantly emanate Volatile Organic Compounds. VOCs are responsible for causing:
Eye and skin irritation, dizziness, headache, etc.
A proper fresh air ventilation helps in diluting these harmful compounds and aids memory alertness and in us being energized and focused.
Our indoor activities like bathing, washing clothes and utensils, are responsible for an increase in humidity in our homes. This excessive moisture is responsible for the growth of Mold, fungus, and spores in our homes, which act as a habitat for the growth of harmful microbial pathogens. The proliferation of these microbial pathogens in our homes is majorly responsible for our homes being smelly and unhealthy and our children often falling sick on this account. Proper fresh air ventilation balanced with stale air extraction helps in reducing humidity and thus keeping our homes disease-free and enhancing our health.
"Fresh air ventilation helps by diluting the carbon dioxide produced by us in our indoor spaces and harmful gases emitted by our cooking gas appliances."
There are various ways to introduce fresh air in our centrally air-conditioned homes.
One cost-effective option is to have a fresh air ventilation duct running throughout our homes, supplying filtered fresh air together with our air conditioners, imitating an all-in-one air handling unit like in malls and large commercial spaces. However, this option has drawbacks, as it adds to the load on the air conditioners and relies on leaks and cracks in the building envelope to push out stale air.
"MVHR can also be used when the air conditioning is used sparingly, like on some days in winters."
The most ideal way to introduce fresh air ventilation in a balanced way is through Mechanical Ventilation with Heat or Energy Recovery.
This system introduces calibrated, filtered fresh air into the living spaces of our centrally air-conditioned homes while simultaneously exhausting an equivalent amount of stale air from bathrooms, kitchens, etc. It acts as a secondary nose and lung for the home. The system includes a passive heat recovery exchange module, in which outdoor fresh air exchanges temperature and humidity with the outgoing indoor air by up to 90%, minimizing the load on the air conditioning equipment and maximizing energy efficiency for both air conditioning and ventilation.
MVHR can also be used when the air conditioning is used sparingly, like on some days in winters, wherein the Energy Recovery Ventilation system can be used in a bypass mode wherein the fresh air is brought in and stale air is exhausted creating a cross-ventilated atmosphere in the home, but the air does not pass through the energy exchanger and thereby allowing the outside cool temperature to fill up our homes. The breeze effect, if required, can be obtained using ceiling fans and air circulators.
Therefore, with a combined and intelligent use of an air conditioning system and an independent energy recovery ventilation system, you can achieve ideal climatic comfort without compromising on the health and hygiene of our home and us, and all this is achieved with maximum energy efficiency, thanks to the innovative passive energy recovery core in the ventilation system.
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