Air conditioning service in Los Angeles includes professional diagnostics, emergency repair, seasonal tune-ups, maintenance, and replacement guidance for residential and light commercial cooling systems.
At Affordable Heating and Air, our C-20 licensed technicians (CSLB #1081403) serve all of Los Angeles County from our Chatsworth headquarters, with Ventura County support through our Simi Valley branch.
If your AC is blowing warm air, running all the time, making noise, leaking water, turning on and off quickly, or having trouble during a heat wave, call us for fast help.
Los Angeles County: (818) 722-1332
Ventura County: (805) 755-4074
A proper AC service visit checks your whole cooling system, not just the outdoor unit. Our technicians look at how the system is working, find out why comfort problems are happening, and make sure your equipment is safe, efficient, and ready for the Los Angeles heat.
Our air conditioning services include AC diagnostics and troubleshooting, emergency AC repair, seasonal AC tune-ups, cooling system maintenance, central air and ductless mini-split service, heat pump cooling support, thermostat and smart thermostat checks, airflow and duct performance evaluation, filter and indoor air quality recommendations, and repair-versus-replacement guidance.
If your system needs a specific repair, visit our AC Repair page. For planned seasonal service, visit AC Tune-Up. If your system is older or no longer worth repairing, visit AC Installation.
Los Angeles AC systems encounter more than normal summer use. Homes across the San Fernando Valley, Greater LA, and surrounding communities contend with extended heat waves, attic heat gain, older ductwork, wildfire smoke infiltration, and cooling equipment that runs for six to eight months per year.
A neglected system can cause weak airflow, higher utility bills, uneven room temperatures, frozen coils, water leaks, and eventually an emergency breakdown on the hottest day of the year, when every HVAC company in the Valley is already booked.
Regular AC service catches small problems before they become expensive repairs. It also helps your technician determine whether your issue is simple maintenance, an airflow or duct problem, a thermostat misconfiguration, or an aging system that should be replaced rather than repaired again.
The San Fernando Valley is especially hard on cooling systems. Homes in Chatsworth, Woodland Hills, Granada Hills, Northridge, Encino, and West Hills deal with hotter afternoons, strong sun exposure, and attic temperatures that push the AC to run longer and harder than it was designed for.
Long heat waves cause extended run times, compressor strain, and weak cooling. An AC service visit checks refrigerant quantities, airflow, coils, and electrical components for signs of heat-cycle stress.
Hot attics trap heat above the living space and bake ductwork, reducing the temperature of air delivered to rooms below. A technician reviews duct condition, insulation levels, and cooling load to determine whether the problem is the equipment or the building.
Older homes across the Valley and Greater LA often have leaky ducts, undersized returns, and airflow restrictions. According to ENERGY STAR, 20 to 30 percent of conditioned air can be lost through duct leaks, holes, and poor connections. No equipment upgrade can fix this problem unless the ducts are fixed first.
Wildfire smoke clogs filters and coats condenser coils faster than normal dust. After any significant smoke event, a service visit should include a filter check, coil inspection, and a review of whether your system can safely support a higher-MERV filter.
Los Angeles County is the primary focus of this page, but Affordable Heating and Air also serves Ventura County through our Simi Valley branch at (805) 755-4074.
Ventura County homes face different AC challenges depending on location. Simi Valley and Thousand Oaks deal with inland heat cycles and long cooling demand, similar to the San Fernando Valley.
Coastal communities like Oxnard, Ventura, Port Hueneme, and Camarillo need extra attention to outdoor condenser coils because salt air and marine exposure speed up corrosion.
We offer special maintenance for these areas, including annual epoxy coil coating for high-exposure installations.
For local Ventura County details, visit our Ventura County HVAC Services page.
Get a tonnage recommendation tailored to LA's climate and your home's specifics
Call for service if your system is no longer cooling the way it should, even if it still turns on. Many AC problems start small before they become emergencies.
You might notice warm air from the vents, weak or uneven airflow, the system running longer than before, a sudden jump in energy bills, or loud buzzing, rattling, grinding, or humming.
Other signs include burning, musty, or electrical smells, water collecting around the indoor unit, ice on the evaporator coil or refrigerant lines, the thermostat reading not matching the room temperature, rooms that never cool evenly, or dust, smoke smell, or poor air quality when the fan is on.
If your AC stops working during a heat wave, call for emergency service immediately. If the system still runs but feels weak, schedule a diagnostic or tune-up before the problem compounds.
Call (818) 722-1332 for AC Service in LA and 8057554074 in Ventura County.
A professional AC service visit inspects the entire cooling system, including both the visible parts and the performance issues that affect comfort and operation.
Our technicians carefully inspect your HVAC system to ensure it works as it should. They look at thermostat settings, air filter condition and fit, indoor and outdoor coils, refrigerant levels, and how well your system cools.
They also check electrical connections, capacitors, contactors, and safety controls, as well as the blower motor and fan. Other steps include looking at the condensate line, airflow at vents, duct leaks or blockages, odd noises or vibrations, system cycling, temperature changes, and overall comfort. If you have a smart thermostat or zone control, those are checked too.
After the inspection, you get clear next steps. We explain what is urgent, what can wait, what might improve efficiency, and when replacement may be better than another repair. Everything is documented, and no work is done without your approval.
Many homeowners search for “AC service” when they are not sure what they actually need. The right solution depends on what the system is doing, how old it is, and whether the problem is minor, recurring, or expensive.
Seasonal care and the system still works: Schedule an AC tune-up before summer or after heavy use. This is a preventive service, not a repair.
If your system has a specific problem, such as warm air, strange sounds, leaks, short cycling, or a failed component, visit our AC repair page for diagnostic and repair service.
If your system is old, inefficient, or unreliable, with regular repairs, rising bills, poor comfort, or outdated equipment, visit our AC installation page for replacement guidance and rebate information.
If the air appears dusty, smoky, or stale, you may have a filter, duct, or ventilation issue. Visit our Indoor Air Quality or Air Duct Cleaning pages.
If rooms stay hot even when the AC is running hard, it is likely an insulation, duct, or system sizing issue. Visit our Insulation Services page or ask about an airflow and load assessment.
Repair is often the right call when the system is newer, the issue is isolated, and the cost is reasonable. Replacement makes more sense when the system is older, breaks down frequently, uses outdated components, struggles during normal heat, or has efficiency problems that repairs cannot solve.
Consider replacement if the system is over 15 years old, repair costs are close to half the price of a new unit, the AC runs all day during normal summer heat without reaching the set temperature, parts are getting harder to find, or the system still uses R-22 refrigerant. R-22 is now very expensive to recharge because of the EPA phase-out.
A technician should explain both options honestly. At Affordable Heating and Air, we use an objective scoring system that considers system age, repair cost, remaining useful life, energy savings potential, refrigerant type, and your long-term plans for the home. The numbers guide our recommendation, not a sales pitch.
LADWP currently offers $1,000–$1,250 per ton for qualifying central ducted heat-pump replacements and $1,500–$2,500 per ton for qualifying ductless mini-split and multi-split systems (20.5+ SEER2 / 9.1+ HSPF2); which can shift the repair-vs-replace math significantly. Compare potential efficiency savings with our SEER Energy Savings Calculator.
Energy efficiency is now a central part of every AC service decision in California. Homeowners ask whether to repair an older unit, install a higher-efficiency system, switch to a heat pump, or improve duct and insulation performance before replacing equipment.
SEER2 is the current efficiency rating standard. Higher SEER2 means more cooling per unit of electricity. California requires a minimum of 14.3 SEER2 for new installations. To qualify for the maximum LADWP heat pump rebate, systems must reach 20.5 SEER2 and 9.1 HSPF2.
California’s 2025 Energy Code (effective for permits submitted from January 1, 2026) expands heat pump requirements for new construction and strengthens ventilation and efficiency regulations. For existing homes, the specific requirements depend on project scope, permit type, and utility territory.
Before replacing equipment, ask about system sizing and Manual J load calculations, duct condition, electrical readiness, smart thermostat compatibility, heat pump options, permit requirements, and current rebate availability. Good AC service includes this guidance, not just a quote on new equipment.
Air conditioning service in Los Angeles is inseparable from indoor air quality. Wildfire smoke, smog, dust, and pollen all circulate through your duct system and affect how your home feels when the AC is running.
During smoke events, a higher-efficiency filter, such as MERV 13 or the highest rating your system can safely support, helps reduce fine particles. However, not every system can handle a high-resistance filter without airflow problems. A technician checks filter size and fit, return duct performance, blower capacity, and whether duct cleaning or sealing may help before recommending a filter upgrade.
For deeper indoor air quality support, visit our Indoor Air Quality and Air Duct Cleaning services.
We are locally owned and women-led, serving Los Angeles and Ventura Counties from our Chatsworth headquarters and Simi Valley branch.
We hold an A+ rating with the Better Business Bureau. Our technicians are C-20 licensed (CSLB #1081403), NATE-certified, and EPA Section 608 certified.
We offer 24/7 emergency AC service, written estimates before work begins, and fully stocked service vans for single-trip repairs.
We provide AC repair, service, installation, maintenance, and Care Club membership plans, as well as heat pump, ductless mini-split, and energy-saving system options. Financing is available.
Our pricing is transparent, with zero hidden fees. We have a 4.9-star rating from over 1,700 Google reviews.
Most Los Angeles homeowners should schedule professional AC service at least once a year, ideally before the cooling season begins. Homes with heavy AC use, pets, dust exposure, wildfire smoke, or older systems may benefit from filter checks every one to three months and bi-annual professional visits through a Care Club maintenance plan.
An AC service visit typically includes thermostat testing, filter inspection, coil cleaning, refrigerant performance checks, electrical component inspection, condensate line review, airflow testing, noise diagnosis, and repair or replacement recommendations with documented findings.
Yes. AC service is a complete system inspection and maintenance visit. AC repair focuses on fixing a specific problem, such as warm air, a failed component, a refrigerant leak, or an electrical fault.
Yes. Affordable Heating and Air offers 24/7 emergency AC service across Los Angeles County. If your system fails during a heat wave, call (818) 722-1332 for urgent help.
SEER2 compares cooling output to electricity used. California requires at least 14.3 SEER2 for new installations. LADWP rebates start at 15.2 SEER2 and reach the highest tier at 20.5 SEER2. The best choice depends on your home, ductwork, budget, and comfort goals, not just the efficiency number.
If your AC is not cooling well, your energy bills are rising, or you want to prepare before the next heat wave, Affordable Heating and Air is ready to help.
Los Angeles County: (818) 722-1332 Ventura County: (805) 755-4074
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Serving Chatsworth, Northridge, Granada Hills, Porter Ranch, West Hills, Van Nuys, Encino, Woodland Hills, Glendale, Burbank, Santa Clarita, Beverly Hills, West Hollywood, Santa Monica, and all of Los Angeles County.
Also serving Simi Valley, Moorpark, Thousand Oaks, Oxnard, Ventura, Camarillo, and all of Ventura County through our Simi Valley branch.
Affordable Heating and Air has completed 5 jobs in Los Angeles, CA in November 2026.
The 3 customer reviews shown here average 5.0 out of 5.
The most recent job was on November 3, 2026.
Affordable Heating and Air has completed 4,001 jobs in Los Angeles, CA in the last 12 months. The first job there was in November 2024.
I am very happy with the service at Affordable Heating and Air so far. Edward was fantastic! He is very knowledgeable and professional.
excellent work
I carefully disassembled the condensation pump, ensuring all components were safely set aside. I then inspected the existing drain line for any blockages or damage. After confirming the line was clear, I reconnected the pump to the drain line, ensuring all connections were secure and leak-proof. I tested the pump to verify it was functioning correctly and efficiently channeling condensation away. The process involved precise alignment and careful handling to prevent any damage to the surrounding areas. Finally, I reassembled any covers or panels, ensuring everything was neatly restored to its original state.
Maintenance
Upon inspection, it was evident that the two Trane units installed by another company had issues from the start. The existing line set, measuring 1 1/4 inches, was not suitable for these units, as 7/8 inches is recommended, with 3/4 inches being an acceptable alternative. Additionally, the system lacked a crucial SS2 safety switch and a sediment trap for the furnace. The absence of an A2L sensor kit at the furnace posed a significant safety risk, especially given the flammable nature of the new refrigerant. Both furnace gas lines were shut off for safety. I devised a comprehensive plan with the homeowner to address these issues by installing the correct line set and the missing components, ensuring the system operates safely and efficiently.
I conducted a maintenance and safety inspection on a Carrier Heat Pump System and addressed an additional service call for an attic ventilation fan. The customer reported the fan running longer than usual and struggling to start. Upon inspection, the thermostat was set too low, causing frequent operation. I adjusted it to 95°F–100°F, allowing the fan to shut off appropriately. The customer also noted the fan repeatedly attempting to start and stop. I explained this could indicate a failing motor or electrical issue. I recommended monitoring the fan and replacing it if problems persist. Given the intermittent operation, I advised proactive replacement to ensure proper attic ventilation and prevent unexpected failure.
I performed preventative maintenance on a Rheem AC unit, ensuring it operates efficiently and cools effectively with an optimal 18.2-degree temperature split. During the inspection, I discovered that the blowers and filters were heavily clogged with dirt. I recommended a thorough cleaning of the blowers and suggested adding air purifiers to all systems for enhanced air quality. I addressed three systems during this visit and plan to locate and service the remaining two systems in my next visit, completing maintenance on all five systems in total.
Thank you, Murad Alnimri! Great service!
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