How Much Does HVAC Service Cost in Crystal Lake?
Last updated: 2026-10 · Crystal Lake Insights
McHenry County's temperature swings make reliable HVAC non-negotiable. Here's what heating and cooling service typically costs in Crystal Lake.
Typical HVAC Costs
- Seasonal tune-up: $80–$150
- Furnace repair: $150–$500
- AC repair: $150–$600
- Furnace replacement: $4,000–$8,000
- Central AC replacement: $5,000–$12,000 (depending on size and efficiency)
Annual tune-ups in spring and fall are the cheapest way to avoid mid-season breakdowns.
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