Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric
We serve Crystal Lake and northwestern McHenry County, bringing deep understanding of how construction practices and neighborhood characteristics across five decades shape heating, cooling, and plumbing challenges in this community. Our technicians recognize the distinct airflow issues near the lakefront versus newer developments west of Route 14, and we know which equipment failures recur in common installations throughout the region. Whether you need emergency AC repair, heating and cooling maintenance, boiler services, furnace repair, heat pump work, water heater installation and replacement, tankless water heater repair, sump pump service, plumbing leak repair, or gas and water line installation, we bring local expertise to keep your