At Environmental Air Systems, we provide full-service chilled water solutions, including design, installation, optimization, maintenance, retrofits, and repair. Our experts handle everything from load calculations and piping loop design to system commissioning and ongoing service. We ensure your chilled water system runs reliably, efficiently, and on budget.
Chilled water systems cool water at a central plant and circulate it throughout the building to air handlers and coils. Heat is removed from indoor air and transferred back through the water loop to be rejected at the chiller or cooling tower. This closed-loop design allows efficient heat transfer and reliable temperature control across large areas.
Chilled water systems are typically installed in larger or more complex facilities where packaged or split systems may not provide adequate capacity. They are well suited for buildings that require steady, high-capacity cooling and consistent environmental control.
Chilled water systems can be highly efficient when properly designed and maintained. Plant configuration, pumping strategy, and controls all influence lifecycle performance and operating cost. Modern systems use variable-speed components and advanced automation to match output with real-time demand, reducing energy waste while maintaining comfort.
Environmental Air Systems provides complete chilled water system services across the full equipment lifecycle. Whether you're evaluating a new installation, planning a capacity upgrade, or need emergency service on an existing plant, our commercial team has the technical depth to handle it.
Call 732-681-0856 or Request a Quote today to explore how a chilled water system can benefit your facility with EAS — your partner for high-performance commercial HVAC.
Have more questions? Give us a call — our team is always happy to help.
View All FAQsA chilled water system uses a central chiller to cool water to approximately 44–54°F and pumps it through piping throughout the building to air handling units and fan coil units. The chilled water absorbs heat from indoor air at each air handler and returns to the chiller to be re-cooled. No refrigerant reaches the occupied spaces, only chilled water, which simplifies maintenance and improves safety in large or complex facilities.
A rooftop unit is self-contained with all components in one package connected directly to ductwork. A chilled water system uses a central chiller distributing chilled water through piping throughout the building — more complex and expensive to install but more efficient at scale, easier to maintain centrally, and far more flexible for large or multi-building facilities.
Chilled water systems are generally practical for larger commercial buildings — typically those requiring 150 tons of cooling or more, though this varies. Hospitals, office towers, universities, large hotels, and institutional campuses are the most common applications. For smaller buildings, rooftop units or VRV systems are usually more cost-effective.
Chilled water systems can be among the most efficient large-scale cooling solutions available when properly designed and operated. Modern chillers with variable-speed drives achieve efficiency ratings well above conventional rooftop equipment. Water transfers heat significantly more effectively than air — a fundamental efficiency advantage in large building applications.
Semi-annual maintenance is typically recommended, pre-cooling season in spring and mid-season or post-season in fall. Cooling towers require specific attention including water treatment and basin cleaning. We develop maintenance schedules specific to your plant configuration and runtime.
