How Santa Monica's climate works your HVAC system
The marine layer holds Santa Monica cool through much of the year, so peak cooling loads are short and modest and modulating equipment avoids the short cycling that plagues oversized systems here. Salt air is the dominant maintenance factor, corroding uncoated coils and cabinet hardware faster than anything else on the Westside. That is what shapes every smart thermostat visit we scope out here, the starting checklist always accounts for heat load, dust, and how long a system has to run to keep up in Santa Monica and the Westside of Los Angeles.