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Commercial vs. Residential HVAC Systems: Key Differences for Los Angeles Properties
Commercial and residential structures will require different types of heating and cooling. Whereas a home requires warm indoor conditions to allow daily activities, an office,
HVAC Contractor Red Flags Los Angeles Homeowners Should Watch For
It is very important to select the right HVAC contractor that will help keep your home comfortable throughout the year. No matter whether it’s your
How Often Should You Clean Your AC Coils? Maintenance Guide
Learn how often to clean AC coils, spot signs of dirty coils, follow DIY cleaning tips, and know when to call a professional for AC coil maintenance in Los Angeles County.
Why Is My AC Running Constantly but My House Is Still Hot?
Is your AC running constantly but your house still feels hot? Learn the common causes, from dirty air filters and frozen coils to leaky ducts, plus simple checks you can try and when to call an AC repair professional.
Why Is Water Leaking From My AC Unit?
Water leaking from an AC unit gets your attention fast. It might be a puddle next to the indoor unit or a damp patch on
Why Does My AC Keep Turning Off? Common Causes of Short Cycling
Your AC starts. A minutes later it stops. Ten minutes after that it starts again. The house still isn’t cool. You’re standing under a vent
AC Repair vs Replacement: How to Decide for Your Home in Los Angeles
Your AC is acting up, and now you have a choice to make. Fix it, or buy a new one? It’s a question we hear
How Much Does AC Repair Cost in Los Angeles County in 2026?
Most AC repairs in Los Angeles County cost between $150 and $650 in 2026, and the average lands around $400. That covers the common stuff,
AC Barely Blowing Air: Causes and How to Fix It
If your air conditioner is running but the vents are barely putting out any air, something in the system is blocking that airflow. It happens
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.
