HVAC companies in Marengo, OH 43334
2 HVAC companies, with local market data for this ZIP.
General contractors 6Excavation and demolition 4Other construction trades 4Concrete and masonry 3HVAC 2Roofing and exteriors 1
Area profitability, HVAC61 / 100Strong market, crowded field
Typical home value$355,000+6.7% in the past year
New homes permitted, 202599Morrow County
Homeowners88.1%2,367 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Alum Creek Heating & Cooling LLCHVAC contractor · 1374 State Route 61, Marengo(419) 253-9445 · alumcreekheating.com
Big Walnut Heating & CoolingHVAC contractor · 375 Township Road 209, Marengo(614) 327-1310 · bigwalnutheating.com
HVAC in ZIP 43334 at a glance
Local building angle: Morrow County permitted 99 new homes in 2025. 32% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.