Certified Air Ltd.
HVAC contractor in Swansea, IL 62226
About this company
Certified Air Ltd. is listed as an HVAC contractor at 1710 Boul Ave in Swansea, Illinois, in St. Clair County. It is one of 3 HVAC companies in ZIP 62226.
Other HVAC companies nearby
Anytime Heating and Cooling | IL405 N Illinois St, Belleville
1.1 mi(618) 520-4240
Weis Keil-Forness Comfort Systems301 N Illinois St, Belleville
1.2 mi(618) 233-3039
Kiefer Heating and Cooling140 Iowa Ave, Belleville
1.5 mi(618) 277-7744
Thermodyne300 W Monroe St, Belleville
1.7 mi(618) 398-7886
All Seasons Heating21 Carlyle Ave, Belleville
1.7 mi(618) 257-2665
Housing market around ZIP 62226
Figures describe the local area, not this company.
Typical home value$182,000+0.9% past year · +50% in 10 years
Typical rent$1,244+4.0% past year
12-month value outlook+2.3%
New homes permitted, 2025463St. Clair County
Days to sale agreement11St. Louis metro · 8 a year ago
Listings with a price cut29.2%St. Louis metro
Sale price vs list100.1%St. Louis metro
New construction sales128St. Louis metro, Aug · −14% 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: St. Clair County permitted 463 new homes in 2025, including 57 apartment units. 17% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.