Arizona summers do not ease into the season politely. They hit hard, stay hot, and push cooling equipment exactly when building demand is at its highest. That is why spring is the right time to get ahead of cooling tower problems instead of waiting for the first brutal stretch of heat to expose them.
A cooling tower that seemed “good enough” in mild weather can quickly show its weaknesses once temperatures climb. Belts slip, nozzles clog, scale starts interfering with performance, and water treatment issues become a lot more expensive in a hurry. A little prep work before summer can make a real difference in reliability, efficiency, and operating cost.
START WITH A FULL VISUAL INSPECTION
Before the hottest part of the year arrives, it helps to give the whole tower a careful inspection. Look over the casing, basin, fill, eliminators, piping, fan deck, and visible structural components. Small leaks, corrosion, loose hardware, cracked parts, and buildup all have a way of becoming bigger headaches under peak summer load.
This is also a smart time to check mechanical components closely. Fan belts, sheaves, motors, bearings, and vibration controls all deserve attention before the unit is expected to run hard day after day. Seasonal startup guidance from major cooling tower manufacturers also stresses testing items like vibration switches and keeping records of inspection and maintenance.
CLEAN THE WATER DISTRIBUTION SYSTEM
If water is not being distributed evenly, tower performance suffers. Clogged or damaged nozzles can create uneven flow over the fill, which reduces heat transfer and encourages scale buildup in the wrong places. That means the tower may be working harder while doing a worse job.
A preseason cleaning of basins, nozzles, strainers, and distribution areas is one of the most practical things an operator can do. Dirt, algae, mineral deposits, and debris all interfere with efficient operation. In Arizona, where heat is relentless and water quality can bring its own challenges, that cleaning step matters even more.
GET SERIOUS ABOUT SCALE AND WATER QUALITY
This is where Arizona conditions really change the conversation. Phoenix area water is known for relatively high mineral content, and that raises the risk of scale if water quality is not managed carefully. Scale does not just look bad. It can reduce heat transfer, restrict water flow, and force the whole system to work less efficiently.
Before summer, review your water treatment plan, check conductivity and other key chemistry targets, and make sure blowdown and treatment controls are doing what they should. Hot weather is not the time to discover that scale has been quietly building for months.
DO NOT IGNORE BELTS, FILL, AND AIRFLOW
Cooling towers depend on steady airflow as much as proper water movement. Worn belts, poor tension, misalignment, or damaged fill can all drag down performance right when you need the tower most. If belts are cracked, glazed, stretched, or simply not holding tension well, replacement before summer is usually the smarter move.
It is also worth checking that fill and eliminators are clean and in good condition. Restricted airflow and fouled surfaces can quietly chip away at capacity until the first major heatwave makes the problem impossible to miss.
PREP NOW, AVOID PANIC LATER
Cooling tower maintenance is a lot cheaper when it happens on your schedule instead of during an emergency call in extreme heat. Arizona summers are demanding, but they are not mysterious. Most warm weather failures start as small maintenance issues that were simply left too long.
BE PREPARED!
Need belts, nozzles, fill, drift eliminators, mechanical parts, or other cooling tower components before summer arrives? Contact Universal Tower Parts for dependable parts and expert help getting your tower ready for Arizona’s toughest months.
REFERENCES
Universal Tower Parts, Cooling Tower Fan Belts
Baltimore Aircoil Company, Parts and Maintenance Guide
SPX Cooling, Cooling Tower Inspection Tips
SPX Cooling, Marley Cooling Tower Inspection Checklist
Cooling Technology Institute, Managing Water of Adiabatic Systems
Universal Tower Parts In Phoenix, AZ
Universal Tower Parts provides stainless steel and galvanized options, welded and gasketed, direct, gear reducer and belt drive units, with efficient Jedair fans, and Jedair low noise fans. Strainers, fan guards and louvers are well constructed, and designed to operate efficiently as they perform their function. Cool Core drift eliminators and fill are made by Universal Tower Parts expressly for our towers.
