HVAC companies in Cincinnati, OH 45203
1 HVAC companies, with local market data for this ZIP.
General contractors 4Other construction trades 3Roofing and exteriors 2Concrete and masonry 1HVAC 1Flooring and tile 1
Area profitability, HVAC45 / 100Moderate market, crowded field
Typical home value$352,000−5.6% in the past year
New homes permitted, 20251,162Hamilton County
Homeowners23.0%1,193 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Johnstone SupplyHVAC contractor · 1212 Dalton Ave, Cincinnati(513) 651-2665 · johnstonesupply.com
HVAC in ZIP 45203 at a glance
Local building angle: Hamilton County permitted 1,162 new homes in 2025, including 497 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.