Quick answer: A properly maintained HVAC system in Los Angeles should get a filter check monthly, a professional tune-up twice a year (spring before cooling season, fall before heating season), and coil/condensate/refrigerant checks at each professional visit. Following the U.S. EPA ENERGY STAR maintenance checklist can prevent a large share of the breakdowns that lead to costly mid-season emergency repairs. APLA Construction (CA Lic #1136359) provides HVAC maintenance across Greater Los Angeles.
Most HVAC failures aren’t sudden — they’re the result of skipped maintenance compounding over one or more seasons. A dirty filter increases energy costs and strains the system; a neglected condensate drain can cause water damage; low refrigerant from a slow leak forces the compressor to work harder until it fails. Per the U.S. Environmental Protection Agency’s ENERGY STAR program, regular maintenance is one of the most effective ways to keep a system running efficiently and avoid early failure.
Because LA’s cooling season starts earlier and runs longer than most of the country, scheduling the spring tune-up in March or early April — before the first heat events — avoids the multi-week wait times HVAC companies see once temperatures spike. Fire season overlap also makes it worth pairing the fall tune-up with a filter upgrade check; see our wildfire smoke & air quality HVAC guide for filtration-specific recommendations.
| Service | Typical Cost | Frequency |
| Standard filter (1-inch) | $15–$30 each | Every 1–3 months |
| MERV 13 filter | $25–$50 each | Every 60–90 days |
| Professional tune-up (per visit) | $120–$250 | Twice yearly |
| Annual maintenance plan (2 visits + priority service) | $200–$400/year | Ongoing |
| Coil cleaning (deep clean, if neglected) | $150–$400 | As needed |
A neglected system doesn’t just fail eventually — it costs more every month it runs dirty. Per ENERGY STAR, a system with a clogged filter and dirty coils can use significantly more energy than a properly maintained one to deliver the same cooling, and that inefficiency compounds over a full LA cooling season. Compare that ongoing cost against the $200–$400/year a maintenance plan typically runs, and regular maintenance is close to break-even on energy savings alone — before counting the avoided cost of an emergency mid-summer breakdown.
Twice a year — once in spring before cooling season, once in fall before heating season. Homes with pets, nearby construction dust, or wildfire smoke exposure may benefit from more frequent filter checks in between.
Reduced efficiency (higher energy bills), increased risk of mid-season breakdown, and shortened equipment lifespan. Per the EPA’s ENERGY STAR program, most of the common causes of HVAC failure — dirty filters, low refrigerant, electrical issues, clogged condensate drains — are preventable with regular maintenance.
Filter changes and basic outdoor-unit debris clearing are safe DIY tasks. Refrigerant checks, electrical testing, and coil cleaning should be done by a licensed technician — both for safety and because refrigerant handling is federally regulated.
Yes. We provide seasonal maintenance visits and can set up an ongoing plan timed to Los Angeles’s specific cooling and heating seasons.
The core tasks are similar, with one addition — heat pumps should have their defrost cycle and reversing valve checked each fall, since they run in heating mode through winter rather than sitting idle like a traditional AC.
APLA Construction (CA Lic #1136359) provides seasonal HVAC maintenance across Greater Los Angeles — timed to our specific climate, not a generic national schedule.
Call: (818) 818-4419
Email: info@aplaconstruction.com
CA General Contractor License #1136359
Maintenance guidance referenced from the U.S. EPA ENERGY STAR HVAC maintenance checklist.