Replace old Induction Unit with Retrofit Induction Units

Replace old Induction Unit with Retrofit Induction Units

The ever-evolving HVAC technology efficiently improves energy efficiency and also supports building health. One of the best cases at this point is the invention of wall caps and vents. These products are designed and developed to protect the rainscreen of a building. The vents designed for rainscreen are one of the innovative inventions that will stay for a lifelong, but some pieces of equipment walk in and suddenly goes out of the style. Induction HVAC belongs to this group.

Decades ago, induction air conditioners were usually used only for large buildings. They gained vast popularity due to their efficiency of working more proficiently than the fan-based systems available in those days. Also, induction air-cons demanded considerably less ductwork, and most units coming into this category were well-kept and functioned for years. But over the years, many of these systems are now ready to decline. Whether you should replace your old system with the new retrofit induction units or you should repair the entire HVAC system of your building is a tough decision.

Induction HVAC: An Introduction

An induction system is composed of a vast central air handler that supplies primary air to the small-sized terminal units. The nozzle vents are the essential components that set apart the induction units from other systems. Thorough various series of air vent nozzles, the primary air creates a venturi effect vacuum that further pulls secondary air out of the room. The secondary air, flowing through the central air, gets back into the room. The coils, mostly the water coils, control the temperature in the room. Induction units can serve both heating and cooling purposes. Nevertheless, they are more efficient if used for cooling.

See alsoPerimeter Induction Units: The Evergreen Innovation

Why do facility managers recommend to replace the induction systems? The rapidity of air moving through the induction makes the terminal units noisy. Apart from this, some buildings may encounter problems with static air pressure, whereas some may experience moisture issues. General wearing and tearing can also make facility managers find out the best alternatives.

Best Choices for Replacement

  • There are arrays of systems available when it comes to replacing your old induction unit. The engineers can swap the fan and coil system. To do this, they will need to install new ductwork. But, finding out the right space where they can install the extra ductwork is a great challenge if the induction unit pair off with the original building design, or if it foresees the excessive functioning of central HVAC.
  • The ductless split system is another best option for the replacement. It includes both - indoor units, which are smaller and outdoor units, which are huge. The design and function of a ductless split system may attract occupants for being similar to the induction system. This energy-efficient system also has a downside, and that is, it does not replace air with a split system. So while getting it, ventilation is to be taken into consideration.
  • The best and the most straightforward option is the change the old induction unit with a new and updated one. Most facility managers may come up with the same recommendation. Due to the ever-improving technology, there are more upgraded systems available with more than circa 30% energy-efficient improvements. The only subject that matters in terms of keeping an induction system is that only one terminal unit can be upgraded at a time, which is the most crucial factor for overcrowded buildings, like health care and medical facilities.

The modern induction systems available to date are technically more energy-efficient, smooth, and quiet than those manufactured decades ago. Below treated are the two alternating induction systems-

  1. Variable Air Volume: This induction system supplies different air volumes, which prevents the discharging of cold air into the room.
  2. Chilled Beam System: It consists of a finned tube heat exchanger. The chilled beam system lays hold of two alternatives - active and passive. The Active chilled beam system majorly functions like the yesteryears induction systems because it supplies primary air through the central air handler.

Nowadays, owing to the ever-growing requirement of replacing old induction systems has increased the interest in getting chilled beam and induction systems. No matter whatever system there may be, upgrading the HVAC can indeed make the managers experience the positive effects of the manufacturer's endless exploration for betterment and upgradation.


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