Air Conditioning Services in Fresno, CA

From quick AC repairs to full system replacements and ongoing maintenance, Comfort Pro delivers reliable cooling services for homes throughout Fresno and the Central Valley. Our experienced technicians work with all major systems to keep your home comfortable, efficient, and ready for the heat.

HVAC technician performing air conditioner repair in Fresno, CA

AC Repair

When your air conditioner isn’t cooling properly, our team diagnoses the issue quickly and recommends the right fix. We service all major AC brands and handle everything from airflow problems to component failures, helping restore comfort without unnecessary delays.

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AC Install

AC Installation

Whether you’re replacing an outdated system or installing AC for the first time, we help you choose the right equipment for your home. Our AC installations are properly sized, code-compliant, and focused on long-term performance and efficiency.

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HVAC technician discussing furnace maintenance with a homeowner beside an indoor heating system.

AC Maintenance

Routine AC maintenance helps prevent breakdowns, improve efficiency, and extend the life of your system. Our maintenance services include inspections, cleanings, and performance checks to keep your air conditioner running reliably through the hottest months.

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Our Services Include

From repairs to replacements, you’ll get clear answers, respectful service, and work done to code.

Straightforward Diagnosis

We identify the issue, explain your options, and answer questions before any work begins.

Upfront Pricing

Clear pricing and scope so you know what you’re approving — no confusion later.

Quality Parts & Workmanship

We use reliable parts and proven methods for long-term performance.

Clean, Respectful Service

We protect your home, keep the work area tidy, and clean up before we leave.

Performance Testing

We test cooling, airflow, and system operation to confirm everything is running correctly.

Support After the Visit

If something doesn’t feel right, we’re easy to reach and quick to help.

Ways to Save on Heating & Cooling Services

We offer service coupons, HVAC financing options, and guidance on available rebates and tax credits to help homeowners save on repairs, replacements, and energy-efficient upgrades.

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$500 OFF

Qualifying Full Installation Systems
New or Replacement

Expires: 08/31/2026

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$100 OFF

Duct Cleaning

Expires: 08/31/2026

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10% OFF

Repairs for New Customers

One-time use per household

Expires: 08/31/2026

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Common Cooling Issues

Not all cooling problems mean your system has failed. Some issues are minor, while others can point to a larger problem. Understanding the most common cooling issues can help you recognize when it’s time to take action.

AC Not Cooling Properly

Symptoms: The air conditioner is running, but the air isn't cool, or it's not as cold as it used to be.
Possible Causes: Low refrigerant levels, dirty air filters, or issues with the thermostat.

  • What It Does: Fails to cool the air effectively.
  • Why It Failed: Possible low refrigerant, dirty air filters, or thermostat issues.
  • Will It Fail Again? If not addressed, issues like low refrigerant or dirty filters can recur, affecting performance.

Strange Noises from the AC Unit

Symptoms: Unusual sounds like grinding, squealing, or rattling when the AC is on.
Possible Causes: Loose parts, debris in the system, or a malfunctioning

  • What It Does: Produces grinding, squealing, or rattling sounds.
  • Why It Failed: Could be due to loose parts, debris, or a failing compressor.
  • Will It Fail Again? Without fixing, mechanical issues can worsen, leading to more significant failures.

Air Conditioner Leaking Water

Symptoms: Water pooling around the AC unit or noticeable drips.
Possible Causes: Clogged drain line, damaged condensate pan, or a refrigerant leak.

  • What It Does: Causes water leakage around the unit.
  • Why It Failed: Often due to clogged drain lines, damaged pans, or refrigerant leaks.
  • Will It Fail Again? Regular maintenance can prevent blockages and leaks, reducing recurrence.

Frequent Cycling

Symptoms: The AC turns on and off more frequently than normal.
Possible Causes: Incorrect thermostat settings, a dirty or blocked condenser unit, or an aging air conditioner.

  • What It Does: Turns on and off more often than usual.
  • Why It Failed: Could be thermostat issues, a dirty condenser, or an aging system.
  • Will It Fail Again? Persistent cycling can strain the system, leading to more frequent failures if unresolved.

Bad Odors When AC is Running

Symptoms: Musty, burning, or other unpleasant smells when the AC is in use.
Possible Causes: Mold or mildew in the system, burnt-out wire insulation, or a dirty evaporator coil.

  • What It Does: Emits unpleasant smells.
  • Why It Failed: Mold, mildew, or burnt components can cause odors.
  • Will It Fail Again? Addressing the root cause, like cleaning or part replacement, can prevent recurrence.

Weak Airflow

Symptoms: The AC is on, but the airflow from the vents is weak or inconsistent.
Possible Causes: Clogged air filters, ductwork problems, or a failing blower motor.

  • What It Does: Delivers insufficient airflow.
  • Why It Failed: Often due to clogged filters, duct issues, or blower motor problems.
  • Will It Fail Again? Regular cleaning and maintenance can ensure consistent airflow.

Thermostat Issues

Symptoms: Inaccurate temperature readings or the AC doesn't respond to thermostat changes.
Possible Causes: Faulty thermostat, incorrect calibration, or wiring issues.

  • What It Does: Fails to regulate temperature accurately.
  • Why It Failed: Could be a faulty thermostat, incorrect calibration, or wiring problems.
  • Will It Fail Again? Proper calibration and repairs can ensure reliable performance.

High Energy Bills

Symptoms: A noticeable increase in your energy bills without a corresponding increase in AC usage.
Possible Causes: Inefficient AC operation due to maintenance issues, an outdated system, or air leaks in your home.

  • What It Does: Causes an increase in energy consumption.
  • Why It Failed: Inefficient operation due to maintenance issues or an outdated system.
  • Will It Fail Again? Upgrading or maintaining the system can improve efficiency and reduce costs.

Understanding Your HVAC System

Not all heating and cooling systems are the same. Knowing what type of system you have helps you understand how it operates, how it’s serviced, and what repair or replacement options make the most sense.

Common HVAC System Types

Whether your system is a split unit or a rooftop package unit, it can be either gas or electric. The terms “split” and “rooftop” describe where the equipment is located, not how it heats your home.

Rooftop Package Unit

Rooftop Package Unit

  • All components are contained in a single unit, typically on the roof
  • Common in commercial buildings and some residential homes
  • Saves indoor space and simplifies duct connections

Heat Pump System

  • Provides both cooling and heating using electricity
  • Transfers heat instead of generating it
  • Popular in the Central Valley for energy efficiency and mild winters
Split System

Split System

  • The most common setup in homes
  • Includes an outdoor condenser and an indoor unit (coil + furnace or air handler)
  • Can be paired with gas heating or operate as a heat pump

Gas + AC System

  • Uses a gas furnace for heating and a separate AC system for cooling
  • Reliable and powerful, especially in larger homes

Plan Ahead With Routine Maintenance

Routine maintenance helps catch issues early, improve efficiency, and reduce the risk of unexpected breakdowns. We also offer flexible financing options and seasonal coupons to help make service more manageable. Ask about our Comfort Club membership for scheduled maintenance and ongoing care.

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Need more help?

Book an appointment online or call us.

Whether you need AC repair, are planning a system replacement, or just want a second opinion, our team is here to help. Reach out by phone or schedule online and we’ll take it from there.

Tips and Trends

Learn how to improve comfort, reduce energy costs, and get more from your heating and cooling system.

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