Tri-County Heating & Air Cond
HVAC contractor in Sandwich, IL 60548
About this company
Tri-County Heating & Air Cond is listed as an HVAC contractor at 875 Piper Way in Sandwich, Illinois, in DeKalb County. It is one of 4 HVAC companies in ZIP 60548.
Other HVAC companies nearby
All Service Heating & Air Conditioning900 Vincent Dr, Sandwich
0.1 mi(630) 859-1090
Just In Time Heating, Air Conditioning & Plumbing Services485 Duvick Ave, Sandwich
2.6 mi(815) 570-4074
Thatcher Mechanical Heating and Air Conditioning2421 Griswold Springs Rd Unit C, Sandwich
3.1 mi(630) 552-1609
All Service Heating & Cooling1105 W Jones St, Plano
5.1 mi(630) 859-1090
Fox River Heating and Cooling135 W Si Johnson Ave, Sheridan
7.7 mi(815) 496-2283
Housing market around ZIP 60548
Figures describe the local area, not this company.
Typical home value$323,000+4.8% past year · +107% in 10 years
12-month value outlook+2.2%
Days to sale agreement14Chicago metro · 12 a year ago
New homes permitted, 2025264DeKalb 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: DeKalb County permitted 264 new homes in 2025, including 18 apartment units. 22% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.