Official Heating & Cooling
HVAC contractor in Crystal Lake, IL 60012
About this company
Official Heating & Cooling is listed as an HVAC contractor at 5214 S State Route 31 in Crystal Lake, Illinois, in McHenry County. It is one of 3 HVAC companies in ZIP 60012.
Other HVAC companies nearby
Rabine Mechanical545 Dakota St, Crystal Lake
0.8 mi(815) 331-1035
WeatherWise Heating & Cooling, Inc.135 Erick St Unit G, Crystal Lake
1.1 mi(815) 477-7766
Arctic Heating & Cooling111 Erick St, Crystal Lake
1.2 mi(815) 459-1255
Absolute Comfort60 W Terra Cotta Ave Ste B#297, Crystal Lake
1.9 mi(815) 893-9276
Jett's Heating & Air3309 S Il Route 31, Crystal Lake
2.0 mi(815) 459-4700
Housing market around ZIP 60012
Figures describe the local area, not this company.
Typical home value$486,000+5.6% past year · +80% in 10 years
12-month value outlook+2.7%
Days to sale agreement14Chicago metro · 12 a year ago
New homes permitted, 20251,393McHenry County
Listings with a price cut27.5%Chicago metro
Sale price vs list100.5%Chicago metro
New construction sales546Chicago metro, Aug · −2% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
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.