What to expect this fall and winter during El Niño in Southern California and how to keep your home cool and comfortable. September 17th, 2026 With a very strong El Niño expected this fall and winter, Southern California homeowners should be thinking about more than just staying cool during the summer. El Niño can bring periods of increased moisture, rain and changing temperatures to Southern California. That means your HVAC system isn't only responsible for cooling your home
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