How do I know if my AC needs repair?

Common signs your AC needs repair include: warm air blowing from vents, unusual noises like grinding or squealing, weak airflow, moisture or leaks around the unit, frequent cycling on and off, and unusually high energy bills. If you notice any of these issues, your AC system may need professional attention.

What causes an AC to stop cooling?

An AC may stop cooling due to several reasons: dirty air filters restricting airflow, low refrigerant levels indicating a leak, frozen evaporator coils, faulty compressor, thermostat issues, or blocked condenser unit. In Las Vegas extreme heat, overworked systems and clogged filters are the most common causes.

How often should AC be serviced in Las Vegas?

In Las Vegas climate, AC systems should be serviced at least twice per year - once in spring before the cooling season begins and once in fall. Due to extreme heat and heavy usage during summer months (6+ months of cooling), Las Vegas AC units require more frequent maintenance than typical climates.

What is the average cost of AC repair in Las Vegas?

AC repair costs in Las Vegas typically range from $150-$500 for common repairs like capacitor replacement or refrigerant recharge, $500-$1,500 for compressor issues, and $200-$800 for evaporator coil repairs. Emergency service and weekend calls may cost 20-50% more. Multiple quotes are recommended.

Can I fix my AC myself or do I need a professional?

Simple tasks like changing air filters, cleaning vents, and checking thermostat settings can be done yourself. However, issues involving refrigerant, electrical components, compressor, or internal parts require licensed HVAC professionals due to safety concerns and EPA regulations. DIY repairs on complex issues can void warranties.

How Often to Change AC Filter in Las Vegas

Quick Answer:

In Las Vegas, change your AC filter every 30 days during summer (May-October) and every 45-60 days in winter. Las Vegas dust, construction, and intense AC usage require 2-3x more frequent changes than typical climates.

Why Las Vegas Requires More Frequent Filter Changes

If you've moved to Las Vegas from another area, you'll need to adjust your AC filter change schedule. Here's why:

🌵 Desert Dust

Las Vegas sits in a desert valley with constant dust and dirt in the air. High winds and nearby construction sites make this worse, clogging filters 2-3x faster than humid climates.

🔥 6+ Month Cooling Season

Your AC runs May through October (sometimes longer) vs. 3-4 months elsewhere. More runtime = more air filtered = faster clogging. Some systems run 12+ hours daily in July-August.

🏗️ Constant Construction

Las Vegas growth means construction everywhere. Construction dust travels miles, settling in your home and AC system. If you live near active construction, change filters every 2-3 weeks.

🌬️ Wind Events

Spring brings high winds (30-50 mph) that kick up desert dust. After major wind events, inspect your filter immediately - it may need early replacement.

Las Vegas AC Filter Change Schedule

Recommended Schedule by Season:

Summer (May-October): Change every 30 days. Your AC runs constantly during 110°F+ heat.

Winter (November-April): Change every 45-60 days. Less AC usage but still need air circulation.

Near Construction Sites: Check weekly, change every 2-3 weeks regardless of season.

With Pets: Add pet hair to desert dust = change every 20-25 days in summer.

Warning Signs Your Filter Needs Immediate Replacement

Don't wait for your scheduled change if you notice these signs:

•Visible dust/dirt: If you can see dust on the filter surface, it's past due
•Reduced airflow: Weak air from vents means clogged filter restricting flow
•AC running longer: System works harder to cool through dirty filter
•Dust around vents: Dirty filter can't trap particles, so they blow into your home
•Higher energy bills: Clogged filter makes AC use 15% more energy
•Frozen coils: Restricted airflow from dirty filter causes ice buildup

What Filter Type Should You Use in Las Vegas?

Filter choice matters in Las Vegas dust:

✅ Best: MERV 8-11 Filters

Ideal for Las Vegas homes. Captures dust, pollen, and most particles without restricting airflow. Change every 30 days in summer. Cost: $15-$25.

⚠️ Caution: MERV 12-13 Filters

Better filtration but may restrict airflow in older systems. Only use if your HVAC system is designed for it. Check with technician first. Cost: $25-$40.

❌ Avoid: Cheap Fiberglass (MERV 1-4)

Doesn't trap Las Vegas dust effectively. Your AC components get dirtier faster, shortening system life. False economy. Cost: $3-$8.

❌ Skip: HEPA Filters (MERV 17-20)

Overkill for home AC systems. Severely restricts airflow, damages equipment. Only use in specialized HVAC systems designed for HEPA. Cost: $50-$100+.

💡 Pro Tip: Buy in Bulk

Changing filters 10-12 times per year in Las Vegas adds up. Buy 6-12 filters at once from wholesale clubs (Costco, Sam's Club) or Amazon Subscribe & Save. Save 30-40% vs. hardware store prices.

Common Mistakes Las Vegas Homeowners Make

Using the "3-month" schedule from other states - Doesn't work in Las Vegas dust
Buying cheap filters - They don't filter Las Vegas dust effectively
Forgetting to check during winter - Filters still need changing even in mild months
Installing backwards - Arrow on filter frame shows airflow direction (toward furnace)
Using wrong size - Gaps around filter let unfiltered air bypass the filter entirely

The Bottom Line

In Las Vegas, change your AC filter every 30 days during summer (May-October) and every 45-60 days in winter. Use MERV 8-11 filters, buy in bulk, and set phone reminders. This simple maintenance prevents 80% of AC problems and saves hundreds in repair costs.

How Often Should You Change Your AC Filter in Las Vegas?