- Provide preventive maintenance on your HVAC systems
Over time dust, dirt, debris, bacteria, etc. will build up in the air conditioning and heating systems.
Prevent maintenance helps this by keeping your system running smoothly year-round. - Don't have home air conditioning yet?
We can help!
- Chiller Repair Service & Installation
From Commercial to Industrial Air Cooled Chillers & Cooling Towers we provide HVAC Preventative Maintenance to keep
your system running smoothing and efficiently, call us for today 310-530-0504
What Is Considered Bad Ducts?
In This Section:
HVAC Air Filters
This strains the equipment, leading to increased energy consumption. A 2009 study by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) highlighted that neglecting HVAC air filter replacement can reduce system efficiency by 10 percent or more. Understanding the importance of this simple maintenance step is the first step; the next is knowing how to select the appropriate filter for your specific needs.

Professionals Air Filter Replacement
When it's time for an air filter replacement, it's essential to hire skilled and knowledgeable professionals. While changing a filter may seem like a simple task, incorrect installation or selecting the wrong type can significantly impact your HVAC system's efficiency and even compromise your indoor air quality. An improperly seated filter can allow unfiltered air to bypass the system, reintroducing pollutants into your home or business.At California Air Conditioning Systems, Inc., we understand these nuances. Our team comprises highly trained and experienced professionals dedicated to providing reliable and cost-effective air filter replacements.
Types of Air Filters
Understanding the various types of HVAC air filters is crucial for maintaining optimal indoor air quality and system efficiency on residential and commercial properties. Filters are categorized by their Minimum Efficiency Reporting Value (MERV), a standardized measure of their effectiveness in capturing airborne particles. A higher MERV rating indicates superior filtration capability, resulting in cleaner air. Some standard options include the following:- Fiberglass Filters - These are entry-level filters, typically thin, flat panels designed primarily to protect your heating and air conditioning equipment from larger debris, rather than significantly improving indoor air quality. They are highly affordable, often costing less than a dollar, but remove less than 10% of airborne pollutants. Their MERV rating ranges from 1 to 4.
- Pleated Filters - A significant upgrade from fiberglass, pleated filters can remove nearly 50% of airborne pollutants. Their efficiency is directly related to the number of pleats per foot, which increases the surface area for filtration. These filters typically cost around $10 each and boast a MERV rating of 10 to 13, offering a more balanced combination of cost and performance for residential and light commercial use.
- Washable Filters - Although cost-effective at around $20 per unit due to their reusability, washable filters generally offer lower filtration efficiency, with MERV ratings typically ranging from 1 to 4. Their effectiveness can also degrade over time with repeated washing.
- High-Efficiency Particulate Arrestance (HEPA) filters - These are among the most effective filters for residential HVAC systems, capable of removing up to 85% of airborne pollutants, with MERV ratings ranging from 14 to 16. "True HEPA" filters, used in specialized whole-house filtration systems or standalone purifiers, achieve an impressive 98% removal rate of airborne contaminants.
At California Air Conditioning Systems, Inc., we expertly service a wide array of leading HVAC brands, including Carrier, Lennox, Trane, York, Mitsubishi, Williams, and Cozy. Our in-depth understanding of multiple manufacturers enables us to deliver timely services and access to the right resources, minimizing downtime and maximizing your comfort.
For more information on our air filter replacements, call California Air Conditioning Systems, Inc. at (310) 530-0504. You can also send us your request or queries via this Online Form, and we will respond shortly.