HVAC companies in Crystal Lake, IL 60012
3 HVAC companies, with local market data for this ZIP.
Area profitability, HVAC71 / 100Strong market, crowded field
Typical home value$486,000+5.6% in the past year
New homes permitted, 20251,393McHenry County
Homeowners96.8%4,025 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Jett's Heating & AirHVAC contractor · 3309 S Il Route 31, Crystal Lake(815) 459-4700 · jettsheatingandair.com
Official Heating & CoolingHVAC contractor · 5214 S State Route 31, Crystal Lake(800) 350-4822 · officialhvac.com
Rabine MechanicalHVAC contractor · 545 Dakota St, Crystal Lake(815) 331-1035 · rabinemechanical.com
HVAC in ZIP 60012 at a glance
Local building angle: McHenry County permitted 1,393 new homes in 2025, including 452 apartment units. 29% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.