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Cooling performance depends on water quality. Scale, corrosion, and biofilm degrade heat transfer and threaten uptime. Absolute Water Technologies designs and maintains the treatment and monitoring solutions that keep your cooling loops operating within specifications.
Guaranteed emergency response for mission-critical facilities
High-purity systems for direct-to-chip and closed loops
Membrane cleaning verified by performance validation
Modern data centers separate the facility water system from the technology cooling loop with a coolant distribution unit. The water chemistry on each side is different, and so is the treatment. We handle both.
This side rejects heat to atmosphere. As water evaporates, minerals concentrate and the chemistry moves out of spec. Scale, corrosion, and Legionella risk show up here.
This side touches the hardware. Cold plates need clean, low-conductivity fluid. A small deviation in purity or particulate load shows up as thermal throttling on high-density racks.
The CDU hydraulically separates the two loops. ASHRAE TC 9.9 treats fluid chemistry as critical as the mechanical design. We design each side to its own water spec and keep them there.
Poor water chemistry attacks a cooling system three ways at once. Each one costs efficiency and raises the odds of an outage in a facility that runs around the clock.
Calcium and magnesium precipitate on heat-exchange surfaces. A thin mineral layer drops thermal conductivity and forces chillers, pumps, and fans to work harder for the same cooling.
Aggressive ions and poor pH control attack piping and heat exchangers. Mixed metals in a cooling loop make it worse. The result is leaks, particulate contamination, and shortened equipment life.
Bacteria and algae form biofilm that insulates worse than scale and clogs passages. In warm evaporative systems it also raises the risk of Legionella, which carries its own regulatory requirements.
Absolute Water Technologies builds and services water systems from pre-filtration to final point of use. The same capabilities that run hospital and pharmaceutical water apply directly to data center cooling.
Side-stream filtration is the manufacturer-recommended practice for keeping a tower clean and efficient. Our CT70 filter handles 70 GPM and suits towers up to 800 tons, and the modular design scales to four times that. Modularity lets us service one unit without shutting the system down.
We design RO units, service deionization exchange, and full ultra-pure trains for the technology cooling loop. High-purity, low-conductivity water is our core work in lab and pharmaceutical settings, and it maps directly to direct-to-chip makeup water.
We clean 4-inch and 8-inch membranes off-site with controlled pressure, flow, and temperature, and validate performance on 100% of the membranes we clean. You get a cleaning report and a clearer view of when replacement is due.
Our in-house automation shop builds pump panels, PLC programming, operator screens, VFD-controlled drives, and remote alarm panels. We deliver the exact control setup a site needs rather than a generic package.
We perform onsite sampling for Legionella, bacteria, endotoxin, and total organic carbon, complete a risk assessment, and build a water management plan that identifies hazard points and defines corrective and ongoing testing.
Our preventive maintenance program keeps systems running to avoid downtime. We staff factory-certified technicians, stock OEM replacement parts, and guarantee 24/7 response for the uptime a data center runs on.
ASHRAE calls for monitoring coolant quality and filtration, because a change in chemistry shows up in efficiency and energy use. Absolute Water Reports gives you an online portal to track system data and share it with internal and external audits.
Illustrative panel. Actual parameters and set points are defined per site.
Water quality changes by source, season, and site. Advanced cooling loops are sensitive to small deviations. Industry guidance is to bring in a water treatment specialist to design the program, monitor it, and keep it maintained rather than run a generic dosing plan.
We lower the odds of a cooling-related failure with the right treatment train and preventive maintenance behind it.
Stable chemistry keeps heat-transfer surfaces clean. On the tower side it raises cycles of concentration and cuts blowdown.
Documented testing and a water management plan keep Legionella and discharge programs in order and audit-ready.
Controlling scale, corrosion, and fouling protects towers, chillers, and piping, and cuts corrective maintenance.
From day one, their team has been responsive and knowledgeable. The reliability of Absolute Water has saved us from costly downtime more than once.
Joshua Carter, CEO — Helix Biostructures, Indianapolis, IN
Absolute Water Technologies runs critical process and ultra-pure water for healthcare, pharmaceutical, and laboratory clients where documentation and regulatory standards are not optional.
Our founder helped write ANSI/AAMI ST108 as an inaugural committee member and chairs a subcommittee of AAMI TIR119. We design and validate compliant critical-water systems, and the same work applies to data center cooling.
Service Center Locations:
Phone Number: (866) 986-6860
Email: info@absolutewatertech.com
Hours:
*Emergency service is available.
The technology cooling loop runs on clean, low-conductivity water. Deionized water in these loops is typically held at or below 100 microsiemens per centimeter, and higher values raise corrosion risk on the cold plates. We use reverse osmosis and deionization to hold conductivity at the loop's target and match filtration to the smallest passage in the system.
Yes. The coolant distribution unit separates the two loops, and each one has different water chemistry. On the facility water side, heat rejects to atmosphere and minerals concentrate, so it needs scale, corrosion, and Legionella control. The loop that touches the hardware needs high-purity, low-conductivity water. We treat both to their own spec.
Scale and biofilm insulate heat-transfer surfaces and push cooling equipment past its design point, which raises energy use and worsens PUE. On the tower side, poor chemistry also forces more frequent blowdown, so water use goes up and WUE gets worse. Stable chemistry keeps surfaces clean and lets you run higher cycles of concentration with less blowdown.
We do. We perform onsite sampling for Legionella, bacteria, endotoxin, and total organic carbon, complete a risk assessment, and build a water management plan that identifies hazard points and defines corrective action and ongoing testing. Evaporative cooling systems are a common Legionella source, so this matters for both safety and compliance.
Yes. Our in-house automation shop builds pump panels, PLC programming, operator screens, VFD-controlled drives, and remote alarm panels, so we can integrate with what you already run. We also work with your current suppliers when that gets you a faster solution.
We serve 25 states across the Midwest and South: Minnesota, Wisconsin, Michigan, Iowa, Nebraska, Kansas, Missouri, Illinois, Indiana, Ohio, Pennsylvania, West Virginia, Virginia, Kentucky, Tennessee, North Carolina, South Carolina, Oklahoma, Arkansas, Texas, Louisiana, Mississippi, Alabama, Georgia, and Florida. Call 866-986-6860 to confirm coverage for your site.