- HEP Plumbing
- Chilled-water Piping

Chilled-water Piping
Chilled-water Piping | Commercial Plumbing | Plumbing | Tullahoma
When chilled-water piping has to perform flawlessly—keeping production lines humming, server rooms cool, or hospital wings comfortable—Tullahoma businesses turn to Hiller, HEP’s team of proven pros. We engineer and install custom loops that balance pressure, temperature, and flow with pinpoint accuracy, then insulate and support every run for maximum efficiency. From CAD-backed layouts to pump-down and start-up, our licensed technicians deliver turnkey reliability that slashes energy costs and minimizes downtime.
Because chilled water is the backbone of so many climate-critical systems, we offer 24/7 monitoring, rapid dispatch, and maintenance plans that catch issues long before they become emergencies. If you’re expanding a facility, replacing aging pipe, or troubleshooting a mysterious temperature swing, our Tullahoma specialists bring the same rigorous standards we apply to all of our commercial plumbing projects—plus the hometown service you expect from HEP.
FAQs
What is a chilled-water piping system and why is it important for commercial buildings in Tullahoma?
A chilled-water piping system circulates cold water from a central chiller to air-handling units, fan-coil units, or industrial process equipment, absorbing heat and returning warmer water to be cooled again. In Tullahoma’s humid, mixed climate, these systems provide reliable, energy-efficient air-conditioning for offices, hospitals, schools, data centers, and manufacturing plants, helping occupants stay comfortable while protecting temperature-sensitive equipment and processes.
What design factors should be considered when planning a new chilled-water piping installation or retrofit?
Key considerations include the building’s cooling load, future expansion plans, pump head requirements, pipe sizing, flow balance, water quality, and available space for mains and risers. Our engineers also evaluate variable-primary vs. primary-secondary loop layouts, insulation thickness, vibration isolation, and controllability so your system runs quietly, minimizes energy use, and adapts to seasonal demand swings common in Tullahoma.
Are there specific codes or standards that apply to chilled-water piping in Tullahoma, TN?
Yes. We design and install to the 2021 International Mechanical Code (IMC) and International Energy Conservation Code (IECC) adopted by the State of Tennessee, along with ASHRAE 90.1 for energy efficiency, ASME B31.9 for building services piping, and manufacturer requirements for pipe, valves, and fittings. Local permitting through the City of Tullahoma and Coffee County inspectors is coordinated to ensure your system meets all safety, backflow prevention, and insulation standards.
How often should a commercial chilled-water piping system be inspected and maintained?
We recommend a semi-annual preventive maintenance program: spring inspections verify insulation integrity, flush strainers, check pump seals, and calibrate flow controls before cooling season; fall visits inspect for leaks, corrosion, and glycol concentration before shut-down or reduced operation. Water treatment should be tested monthly to prevent scale and biological growth. Proactive maintenance extends equipment life and keeps energy consumption low.
What piping materials and insulation are best suited to Tullahoma’s climate?
For most commercial applications we use schedule 40 steel or Type L copper for smaller branches, both with closed-cell elastomeric or polyisocyanurate insulation rated at ≥0.26 Btu-in/h-ft²-°F. In high-humidity zones or rooftop runs, vapor-barrier jacketing prevents condensation that can damage ceilings or promote mold. For industrial facilities or long chilled-water distribution loops, pre-insulated HDPE or PEX-AL-PEX is an option that minimizes underground heat gain.
How can upgrading or installing a new chilled-water system reduce operating costs and what is the typical project timeline?
Modern variable-speed pumps, high-efficiency chillers, and optimized pipe layouts can cut energy use 20-40 %. Enhanced insulation lowers heat gain, and smarter controls reduce pump runtime during part-load conditions. For a mid-size commercial building (50,000–100,000 ft²), design takes 2–4 weeks, permitting 1–2 weeks, prefabrication 2 weeks, and on-site installation 4–6 weeks, often phased to keep your business open. Our team provides a detailed cost-benefit analysis and schedules work around your peak operating hours to minimize disruption.