Swamp cooler problem finder

What is your swamp cooler doing?

Choose the symptom you can see or hear. Each guide covers likely causes, safe checks, and when the problem needs service.

Why is it blowing warm air? Get repair help

Guide list

Find the guide that matches the symptom.

If the house is already getting hot, call first. Otherwise, compare warm air, dry pads, pump trouble, leaks, scale, airflow, and cost questions below.

Problems that usually need action

Open evaporative cooler with dry pads being checked on a dry-climate rooftop

Repair Why Is My Swamp Cooler Blowing Warm Air? Fan runs, but the air still feels warm. Read guide → 02

Dry evaporative cooler pads that can make a swamp cooler stop cooling

Repair Swamp Cooler Not Cooling The unit runs, but the house does not cool down. Read guide → 03

Small water leak near the base of a rooftop evaporative cooler

Repair Swamp Cooler Leaking Water Water is showing up where it should not. Read guide → 04

Open evaporative cooler reservoir with pump and water lines being checked

Repair Swamp Cooler Pump Not Working Pads stay dry or water is not moving. Read guide → 05

Swamp cooler repair parts and tools laid out near an open evaporative cooler

Repair Swamp Cooler Repair Cost You want a repair price range before calling. Read guide →

Costs, maintenance, and dry-climate questions

Technicians installing a rooftop evaporative cooler on a dry-climate home

Installation Swamp Cooler Installation Cost You are comparing replacement or new install options. Read guide → 07

Open evaporative cooler being inspected for seasonal maintenance

Maintenance Swamp Cooler Maintenance Checklist You want to prevent weak airflow before peak heat. Read guide → 08

Gloved hands replacing mineral-clogged swamp cooler pads

Pad replacement How to Clean Swamp Cooler Pads Pads look dirty, crusty, or worn out. Read guide → 09

Mineral scale and water buildup inside an opened evaporative cooler

Maintenance Hard Water and Swamp Cooler Pads White mineral scale keeps coming back. Read guide → 10

Dry-climate home exterior with an evaporative cooler and central AC condenser

Installation Swamp Cooler vs Central Air You are comparing evaporative cooling with AC. Read guide →

Local conditions

Hard water and pads by city

Compare water hardness, cooling days, summer heat, and practical pad-check timing in dry-climate service areas.

Compare city notes

Water, weather, and access

Why local conditions matter

See how heat, humidity, water hardness, elevation, and roof access can change cooling performance and maintenance needs.

Understand local conditions