Knowles Services
HVAC contractor in St. Louis, MO 63135
About this company
Knowles Services is listed as an HVAC contractor at 34 N Florissant Rd in St. Louis, Missouri, in St. Louis County. It is one of 2 HVAC companies in ZIP 63135.
Other HVAC companies nearby
Grimes Heating and Air Conditioning286 Reasor Dr, Hazelwood
1.6 mi(314) 521-0074
Xcell Williams Heating & Cooling3901 Shirley Ave, Saint Louis
2.4 mi(314) 395-9355
B & B Heating & Cooling1955 Washington St, Florissant
2.4 mi(314) 838-9800
Ward Heating & Cooling4132 Seven Hills Dr, Florissant
2.6 mi(314) 382-2888
Arch Air Services9022 Pallardy Ln # 2, St. Louis
3.1 mi(314) 428-4328
Housing market around ZIP 63135
Figures describe the local area, not this company.
Typical home value$110,000−0.7% past year · +95% in 10 years
Typical rent$1,401+7.8% past year
12-month value outlook+2.4%
New homes permitted, 2025957St. Louis 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. Louis County permitted 957 new homes in 2025, including 456 apartment units. 2% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.