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Home > Blog > Top Questions to Ask During Your AC Maintenance Appointment

Top Questions to Ask During Your AC Maintenance Appointment

June 13, 2025

An annual service appointment isn’t just about checking a box—it’s your opportunity to understand how well your cooling system is performing and what steps you can take to improve efficiency. During your scheduled AC maintenance in Los Angeles, CA, don’t hesitate to speak up. The more you ask, the more you’ll learn about keeping your unit healthy and efficient in the long run.

1. Is My System Running at Peak Efficiency?

Begin with the basics: ask whether your AC is performing as it should. Technicians can measure energy efficiency and determine whether your system is operating efficiently. This question often uncovers early signs of wear or aging parts. Regular inspections can prevent sudden breakdowns in peak summer.

2. Are There Any Parts That Might Need Replacement Soon?

Even if your system is functioning, some components may be nearing the end of their lifecycle. This is the time to ask about belts, filters, capacitors, and refrigerant levels. Understanding what’s wearing out early helps you plan financially and avoid last-minute AC repair in Los Angeles, CA.

3. What Are You Checking During the Appointment?

Many homeowners assume a technician looks at the entire system, but not all maintenance packages are equal. Ask for a rundown of what’s included—coil cleaning, electrical inspections, ductwork review, etc. Knowing the checklist helps ensure no corners are cut during your service.

4. Is My Thermostat Properly Calibrated?

Your thermostat is the brain of your AC system. A miscalibrated thermostat can lead to uneven cooling or unnecessary strain on your unit. Ask your technician to verify that it’s accurately reading the room temperature. If it’s outdated, this may be the right time to consider an upgrade.

5. How Can I Extend My AC’s Lifespan?

Lastly, ask for simple home practices that can support system longevity. This might include how often to change filters, when to clear outdoor units, or how to manage indoor humidity. Technicians appreciate proactive customers and often provide helpful, cost-saving advice you wouldn’t find in a manual.

Asking the right questions during a service call transforms your appointment into a learning opportunity. It gives you insight into your system’s health, helps prevent surprise repairs, and empowers you to make smart choices for long-term performance. Don’t treat your technician like a stranger—treat them like a resource.

Call our experienced team at Mike Diamond Plumbing & HVAC at 1-800-446-6453 today to schedule your AC service. 

Filed Under: Blog Tagged With: AC maintenance in Los Angeles CA, AC repair in Los Angeles CA

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  • Schedule Service
  • About Us
    • About The Smell Good Plumber ™
    • Meet Mike Diamond
    • Our Fully Stocked Trucks
    • Radio Commercials -YouTube
    • License and Certifications
    • Reviews
  • Services
    • Plumbing
      • Pipe Repair and Replacement
      • Leak Detection and Pipe Leak Repair
      • Toilet Repair and Installation
      • Trusted Faucet Repair Los Angeles CA
      • Sewer Repair
      • Garbage Disposal Repair and Installation
      • Who Fixes Gas Leaks?
      • Seismic Gas Shut-Off Valve
    • Drain Cleaning
    • Water Heaters
    • Electrical
    • Heating
    • Air Conditioning
    • Water Resource Center
  • Coupons
  • Service Area
  • Blog
  • JOBS
    • Apprentice/Trainee
    • Los Angeles County Plumbing Careers
    • Orange County Plumbing Careers
  • Contact Us
    • Questions or Concerns
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    • Plumbing Protection Plan
    • Air Conditioning Protection Plan
    • Heating Protection Plan
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