Current systems are designed to meet more stringent environmental, indoor air quality, and user requirements. Many of the gains in HVAC system efficiency are the result of increased operational efficiency of key system components.
Another advantage comes from using new or emerging technologies in the HVAC field. Even the use of computer-aided design tools has helped systems engineers design HVAC systems that operate more efficiently. You can also search online to buy HVAC supplies in New Jersey.
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While there have been many individual improvements that have helped increase the operational efficiency of HVAC systems, most of the overall improvement can be attributed to five key factors:
– Development of a low kW/ton chiller;
– Use of a highly efficient boiler management system;
– Implementation of a direct digital control system (DDC);
– Use of energy-saving motors; and,
– Adaptation of the frequency converter to pump motors, fans, and coolers.
Over the years, building owners have been satisfied with the chiller's performance and efficiency, which ranges from 0.8 to 0.9 kW/ton when new. With age, actual operating efficiency drops to over 1.0 kW/ton at full load.
Cooler design changes
Several design and performance changes have helped improve cooler performance. To improve the heat exchange characteristics of the coolant, manufacturers have increased the size of the heat exchanger unit. Electromechanical control systems have been replaced by microprocessor-based electronic controls that offer greater precision, reliability, and flexibility. You can also look for the best HVAC supplies in NJ via https://twitter.com/dynatechsales.
Improved energy efficiency is not the only advantage of the new generation of building coolers; This cooler offers better refrigerant retention. While older chillers routinely lose 10 to 15 percent of their refrigerant charge per year, new chillers can limit losses to less than 0.5 percent.
The building manager can increase system performance while lowering energy requirements with energy-efficient HVAC systems. However, they only help building owners if they are taken care of. If site managers opt to disregard maintenance needs, they can soon discover that systems are malfunctioning to the point where more energy is needed as a result.