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Swamp Cooler Repair and Service in Fresno

Cooler stopped cooling, leaking, or ready for the season? Nalk repairs, installs, and services evaporative coolers in Fresno and the Central Valley, and we tell you what it needs before we talk about converting it.

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CSLB License #497476
Veteran-Owned & Operated
Rooftop evaporative swamp cooler on a home in the Easton area

Who Repairs Swamp Coolers in Fresno?

Nalk repairs, installs, and services evaporative coolers, also called swamp coolers, in Fresno and across the Central Valley. We fix motor, pump, and float problems and leaks, install new coolers, replace pads, start coolers up for the season, winterize them when it ends, and convert homes to refrigerated AC.

Walk through an older Fresno, Sanger, or Reedley neighborhood and you will see them on the roofs. Many Central Valley homes were built around evaporative coolers, and many owners still run them every summer. If yours stopped cooling, leaks, makes a new noise, or needs to be shut down for the season, call us and describe what you see.

Nalk works under California contractor license #497476, classified C-20 for warm-air heating, ventilating, and air-conditioning, and has served the Central Valley since 1986.

Swamp Cooler Services We Offer

How we help evaporative cooler owners, from keeping a cooler running to moving on from it.

Cooler Repair

Motor, pump, and float problems, leaks, and a cooler that is not cooling. A technician looks at it and explains what it needs, so you can decide what to do next.

Installation, Pads, and Seasonal Care

We install new evaporative coolers, replace worn pads, start coolers up for the season, and winterize them when cooling season ends. The end of the season is also a good time to have a technician look yours over.

Conversion to Refrigerated AC

If you are ready to move on from your cooler, we convert homes to refrigerated air conditioning. See our AC installation service for how we size and install a system.

When to Call About Your Cooler

An evaporative cooler pulls outside air through wet pads and pushes the cooled air into the house. When something in that chain breaks down, these are the signs most owners notice.

  • The air coming out is warm, or much weaker than it used to be.
  • The cooler will not start, or it starts and then stops.
  • Water is leaking, pooling, or running when it should not.
  • The cooler runs but something sounds wrong.
  • Cooling season is ending and you want the cooler shut down properly.
  • You are weighing whether to keep the cooler or switch to refrigerated AC.

Keep the Cooler or Switch to AC?

An evaporative cooler cools best in dry heat. On the muggier days we get in the Valley, it has less to work with, and it does not remove humidity or hold a set temperature the way refrigerated AC does. Some owners are happy with that trade. Others want steadier temperature and lower humidity.

We start with what your cooler needs before we talk about replacing anything. If you do want to convert, the job can involve the old roof opening, your home's electrical capacity, and ductwork, and every house is different. We look at yours and lay out your options.

If you convert, our AC repair and AC maintenance services cover the new system, and heat pumps are another option for homes that want heating and cooling from one system.

Two Nalk technicians guiding a rooftop air conditioner into place with a crane

Cooler Service Across the Central Valley

Evaporative coolers still cool plenty of homes in older neighborhoods and farm communities around Fresno. Read how Nalk works in these towns, or see everywhere we serve.

Evaporative Cooler Questions

Is an evaporative cooler the same thing as a swamp cooler?
Yes. Evaporative cooler and swamp cooler are two names for the same equipment. It pulls outside air through water-soaked pads and blows the cooled air into the home.
Does Nalk repair swamp coolers?
Yes. Nalk repairs evaporative coolers, including motor, pump, and float problems and leaks. Call (559) 277-8448 and tell us what your cooler is doing.
Does Nalk install new swamp coolers?
Yes. Nalk installs evaporative coolers. Call (559) 277-8448 and tell us about your home.
Why is my swamp cooler not cooling?
Causes can include worn pads, a float or pump problem, or a motor problem. Evaporative coolers also cool less on humid days. A technician can inspect the cooler to find the cause.
Why is my swamp cooler leaking?
Nalk repairs leaking evaporative coolers. Call us, tell us where the water is showing up, and a technician will inspect the cooler.
Why won't my swamp cooler turn on?
Nalk repairs evaporative coolers that will not start, including motor and pump problems. Call us and describe what happens when you switch it on.
Does Nalk replace swamp cooler pads?
Yes. Pads wear out with use, and mineral buildup from the water can clog them. Nalk replaces evaporative cooler pads, so call us if yours are worn.
When should a swamp cooler be winterized?
Winterizing belongs at the end of the cooling season, once you are done running the cooler for the year. Nalk winterizes evaporative coolers. Call us to set it up.
Does Nalk start up swamp coolers for summer?
Yes. Nalk starts evaporative coolers up for the cooling season. Call us and we will set it up.
Can I replace my swamp cooler with refrigerated air conditioning?
Yes. Nalk converts homes from evaporative coolers to refrigerated AC. A conversion can involve the old roof opening, your home's electrical capacity, and the ductwork, so each home is different. We look at the house and tell you whether conversion makes sense or whether keeping your cooler is the better call.
Should I keep my cooler or convert to AC?
An evaporative cooler cools best in dry heat. On humid days it has less to work with, and it does not remove humidity or hold a set temperature the way refrigerated AC does. A technician looks at your cooler, explains what it needs, and lays out your options.
Where does Nalk service swamp coolers?
Nalk services evaporative coolers in Fresno and across the Central Valley, including Clovis, Sanger, Reedley, Selma, Madera, Kingsburg, Easton, Calwa, Biola, Raisin City, and Corcoran. Our service area reaches about 50 miles from our Fresno shop.

Tell Us What Your Cooler Is Doing

Call the office and tell us what the cooler is doing and about how old it is, or tell us you want it winterized or converted. We will explain the next step.