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What Is the Difference Between MERV 8, MERV 11, and MERV 13 Air Filters?
You’re standing in the filter aisle, and every box looks about the same except for one number. MERV 8. MERV 11. MERV 13. The price

How to Choose a Reliable 24-Hour HVAC Emergency Service in Los Angeles
Los Angeles weather can change quickly. Intense heat waves in the Valley, sudden chilly nights, and thick coastal humidity all place heavy strain on residential

What Type of Air Duct Cleaning Is Best and Why
Clean air ducts are vital for healthy indoor air quality, optimal HVAC efficiency, and overall system performance. Over time, dust, pet dander, allergens, and construction

Why Your Vents Smell Bad Even with a New Filter
Swapping out an old air filter is usually the first thing homeowners do when indoor air starts to smell bad. New filters catch dust, pollen,

Need AC Replacement Near Los Angeles County, CA? Here’s Everything You Should Know
Heat in Los Angeles County doesn’t wait for anyone. One week the AC is fine, the next it’s blowing warm air and the house feels

9 Warning Signs Your HVAC System Has Efficiency Problems
A sudden spike in your monthly utility bill or a room that never seems to cool down can feel like an annoying minor inconvenience. However,

How Smart Thermostats Improve HVAC Efficiency and Reduce Energy Bills
Heating and cooling make up nearly 50% of the average home’s total energy consumption. Despite this huge expense, millions of homeowners still rely on outdated

HVAC Inspection Los Angeles: The Complete Maintenance & Cost Guide
Living in Southern California means relying heavily on your climate control systems. From hot, sun-drenched summer afternoons in the San Fernando Valley to chilly winter

How to Reduce Indoor Humidity Without Overworking Your Air Conditioner
That heavy, sticky feeling inside your home during the dog days of summer isn’t just in your head—it’s high indoor moisture at work. When relative
Frequently Asked Questions
What types of HVAC services does AOL Heating & Air Inc. offer?
AOL Heating & Air Inc. is a full‑service HVAC contractor. We handle everything from residential and commercial installation and repair to routine maintenance and emergency support. Our expertise covers:
– Air Conditioning (units, ductwork, and thermostats)
– Commercial HVAC (large‑scale systems for offices, retail spaces, and warehouses)
– Heater Repair & Replacement (furnaces, boilers, heat pumps)
– Diagnostic & Tune‑Up Services (pre‑seasonal checks, filter changes, system diagnostics)
– Seasonal Maintenance (summer & winter checks to keep your system running smoothly)
– 24/7 Emergency Repairs – because a broken HVAC never waits for business hours.
How often should I replace my AC filter?
Filters trap dust, pollen, and contaminants that can clog the system, lower efficiency, and degrade indoor air quality. We recommend checking and replacing your filter every 1–3 months—more often if you have pets, allergies, or a high‑vacuum environment. Our professional filter replacement service ensures:
– Correct filter size and type for your unit
– Clean, leak‑free installation
– A quick check of airflow and system pressure for optimal performance
How do I schedule a service?
Simply give us a call or fill out the online contact form on our website. Our technicians will:
1. Schedule a convenient time usually within 48 hours for most services.
2. Perform a complimentary on‑site diagnostic (if needed) to assess the problem and give an accurate estimate.
3. Provide a detailed, written estimate with cost breakdowns and suggested solutions no surprises later.
Whether you need a quick filter change or a full HVAC installation, Call us at (818)450-5807 to help you stay comfortable and energy‑efficient.
What is the difference between a summer/ winter maintenance service and a winter maintenance?
Each season presents unique demands on HVAC equipment:
- Season
- Focus
- Key Tasks
- Summer
- Cooling
- Inspect evaporator coils, check refrigerant levels, clean condenser fan, test thermostats
Skipping either can lead to reduced efficiency, higher energy bills, or costly breakdowns. Our seasonal maintenance keeps your system running at peak performance all year round.
I’m experiencing a strange noise from my HVAC unit, should I call an emergency technician?
If you hear:
– A rattling or grinding sound while the system is running,
– A sudden pop or burst of pressure, or
– Any noise that sounds like the unit is struggling or “talking,”
… it’s safest to call our 24/7 Emergency HVAC Services. Prompt attention can prevent a minor issue from turning into a major, costly repair—and keep you comfortable during extreme weather.
