Proudly Serving Orange County, Riverside County, & Los Angeles County Since 1987
Air Conditioning in Anaheim
Family-Owned Cooling Service Since 1987
Warm air, weak airflow, uneven temperatures, short cycling, unusual noises, and rising electricity use can all point to an air conditioning problem. We diagnose the complete cooling system, including its controls, airflow, filters, ductwork, electrical components, and overall condition. Based on what we find, we can recommend AC repair, preventive maintenance, system replacement, a ductless solution, or a commercial cooling assessment.
Our licensed and insured technicians work on all makes and models. We explain the system’s condition, available service paths, and pricing before work proceeds, whether you need a focused repair or help planning a larger upgrade.
Request air conditioning service in Anaheim today. Call (714) 430-8006 or message us online to schedule a free estimate with upfront pricing.
Let’s Get to Work
How Can We Help You Today?
Discover the 20th Century Difference
Explore Resources, Meet Us, and Hear What Others Say
-
FAQ's Have Questions? We Have Answers!
-
Get to Know UsLearn about our company history and who we are.
-
Club Maintenance Membership Signup/Resign
The Club maintenance membership includes 2 visits per year:
One visit includes the maintenance of the air conditioning system.
The other visit would include the maintenance of the heating system.
As a club member, you would be on our priority scheduling list if any issues arise.
As a club member, you would have exclusive discounts which would include:
- 10% repair discount
- 5% system replacement discount
- 5% IAQ (Indoor Air Quality) discount
Air Conditioning Services for Homes & Businesses
We provide air conditioning solutions for residential homes, new construction sites, homeowners associations, office buildings, and retail establishments.
Explore our comprehensive AC services:
- Professional AC Installation & Replacement: If an older unit needs repeated repairs or no longer cools effectively, replacing it before it completely stops working lets you plan the project and consider newer equipment before a breakdown.
- Energy-Efficient Ductless Mini-Split Systems: For a small home or business, ductless mini-splits can provide separate temperature control in eight rooms or fewer. They can also serve additions, properties without suitable ductwork, and other spaces that need separate temperature control.
- Reliable AC Repair Services: If you notice constant cycling, loud noises, low airflow, warm air, or other abnormal operation, it’s time to schedule a repair. We identify the cause and check related components before recommending the next step.
- Annual AC Maintenance Plans: Regular maintenance can reveal developing problems and support efficient operation. Our bronze, silver, and gold maintenance plan options provide scheduled professional care.
- Comprehensive Commercial AC Services: Your commercial space’s AC affects conditions for customers and employees. We install, maintain, and repair commercial cooling equipment for offices, retail establishments, homeowners associations, and other properties.
- Improve Your Indoor Air Quality: Compatible filter and purification measures can reduce airborne dust, debris, pet dander, and other contaminants. Learn about air purification.
Air Conditioning Service Built on Clear Recommendations
Since 1987, our family has owned and operated 20th Century Air. We combine modern HVAC equipment and diagnostic tools with an old-fashioned service philosophy centered on honesty, quality, and integrity.
Customers can expect:
- Upfront information: We explain recommended work, timing, and pricing before you proceed.
- No-pressure recommendations: We don’t push replacement when a practical repair remains available.
- Qualified service: Our trained technicians arrive prepared to diagnose, repair, maintain, or replace cooling equipment.
- Respect for the property: Customer feedback highlights punctuality, clear explanations, clean work practices, and professional conduct.
- Estimates, scheduling, and financing: We provide free estimates, convenient scheduling, payment plans, and financing through Service Finance.
We serve Anaheim and customers across Orange County, Los Angeles County, and Riverside County. This service area includes homes, commercial buildings, and properties with cooling systems of different ages and configurations, so our recommendations begin with the equipment and conditions in front of us.
Energy-Efficient AC Options for Anaheim Properties
Cooling efficiency depends on more than the rating printed on the equipment. System sizing, duct sealing, refrigerant charge, thermostat placement, airflow, installation quality, and operating habits can all influence real-world performance. We consider these factors when discussing energy-efficient equipment and smart thermostats for residential or commercial properties.
Seasonal Energy Efficiency Ratio is a measure of cooling output compared with the electricity used over a season. A higher-rated system may use less energy than older equipment under comparable conditions, but actual savings vary with the property, utility rates, usage, duct condition, and installation. We review the complete system rather than promising a specific reduction in utility bills.
California Title 24 is part of the California Code of Regulations, and Part 6 contains residential and nonresidential energy-efficiency requirements. California’s 2025 Building Energy Efficiency Standards are part of that framework. Applicable documentation, testing, and inspection steps vary by project type, equipment, building, and code cycle, particularly for commercial installations or projects involving equipment and duct replacement.
Common AC Problems in Anaheim
Cooling systems can develop performance problems after heavy use, dust buildup, component wear, or changes in airflow. Some faults require a focused repair, while repeated failures, high operating costs, poor comfort, or aging equipment may justify replacement planning.
Common AC problems we service include:
- Refrigerant leaks
- Clogged air filters
- Weak airflow
- Uneven cooling
- Short cycling
- Ductwork leaks
- Worn electrical or mechanical components
We take the time to identify the source of the problem and assess related components. Our technicians use modern diagnostic tools to inspect system controls, electrical parts, airflow, refrigerant-related conditions, and overall operation before recommending a repair or discussing replacement. Prompt diagnosis can reduce the risk of emergency breakdowns caused by developing faults.