AC Emergency? We answer 24/7 — tap here for immediate serviceNOW →

HVAC Maintenance Checklist

Simple DIY tasks to prevent expensive repairs and extend your AC's life by 5+ years

Let's Talk Money

Skip one maintenance task and you could be looking at a $300-$1,200 repair bill. That's the real cost of procrastination.

If You Skip Maintenance

Emergency repair: $1,500. New system needed by year 8. That's expensive.

If You Do Maintenance

$150/year keeps your system running. It'll last 15 years. That's smart.

Monthly: 5-Minute Tasks

✓ Check & Replace Air Filter

Why: Dirty filter = AC overworks = higher bills + breakdowns

How: Look at your filter. If it's gray/brown instead of white, replace it ($15-30).

Frequency: Check monthly, replace every 1-3 months (pets/dust = more often)

✓ Inspect Thermostat

Make sure it's on the right mode (COOL in summer, HEAT in winter). Battery low? Replace it.

✓ Clean Around Outdoor Unit

Remove leaves, branches, dirt blocking airflow. AC can't breathe = it overheats and breaks.

✓ Check Vents & Return Grilles

Make sure furniture/curtains aren't blocking air. Blocked vents = uneven cooling.

Spring (Before Summer): 1-Hour Professional Tune-Up

Call a professional for annual maintenance ($150-200). This catches problems BEFORE they become $1,000+ emergencies.

What a pro tune-up includes:

  • ✓ Refrigerant level check (too low = poor cooling)
  • ✓ Coil cleaning (dust buildup kills efficiency)
  • ✓ Electrical connections check (loose wires = fire risk)
  • ✓ Capacitor inspection (most common failure point)
  • ✓ Fan motor check (spinning freely?)
  • ✓ Thermostat calibration (is it actually 72°F when you set it?)

Fall (Before Winter): Quick Check

Clear indoor return vents

Dust builds up in fall. Vacuum return grilles so air flows freely.

Inspect outdoor unit for debris

Leaves, branches, dirt block winter airflow.

Seal visible cracks in ductwork

Use duct tape or duct sealant to stop air leaks ($20 saves $200+/year).

⚠️ Signs You Need Emergency Service NOW

  • • AC running but no cold air
  • • Strange noises (grinding, squealing, hissing)
  • • Water leaking inside or outside your home
  • • Burning smell or electrical smell
  • • System cycles on/off repeatedly
  • • Frost buildup on outdoor unit in summer

Call us immediately: (623) 322-0747

DIY Maintenance You Can Skip

Save your money. Some things need professionals:

  • ❌ Recharging refrigerant yourself (needs EPA license + special tools)
  • ❌ Opening the outdoor unit (risk of electrocution)
  • ❌ Cleaning condenser coils with pressure washer (damages fins)
  • ❌ Replacing compressor or fan motor (requires certification)

Annual Maintenance Cost vs. Repair Cost

ScenarioCost
Annual professional tune-up$150-200
Capacitor replacement (missed maintenance)$300-500
Refrigerant leak repair$500-1,200
Compressor failure (ignored AC sounds)$1,500-3,500
10-year maintenance cost (annual tune-ups)$1,500-2,000

Schedule Your Annual Tune-Up

Keep your AC running strong. One $150 tune-up prevents $1,500+ emergencies.

📞 (623) 322-0747

Maintenance Checklist Card (Print & Post)

HVAC MAINTENANCE CHECKLIST

□ MONTHLY: Replace air filter (if dirty)

□ MONTHLY: Clean outdoor unit area

□ MONTHLY: Check thermostat

□ SPRING: Schedule professional tune-up ($150-200)

□ FALL: Clear return vents, check ducts

□ ALWAYS: Call if strange noises or poor cooling

Emergency? Call (623) 322-0747

Call NowText Us

By calling or texting, you consent to SMS from Sorensen H&C. Msg & data rates may apply. Reply STOP to opt out.