Big Walnut Heating & Cooling
HVAC contractor in Marengo, OH 43334
About this company
Big Walnut Heating & Cooling is listed as an HVAC contractor at 375 Township Road 209 in Marengo, Ohio, in Morrow County. It is one of 2 HVAC companies in ZIP 43334.
Other HVAC companies nearby
Alum Creek Heating & Cooling LLC1374 State Route 61, Marengo
3.7 mi(419) 253-9445
4 Seasons Air17 E Main St, Centerburg
5.9 mi(740) 204-2128
Complete Air Systems Heating & Cooling LLC2758 N County Road 605, Sunbury
8.1 mi(740) 345-2021
Air Plus Inc7431 Old Delaware Rd, Mount Vernon
9.0 mi(740) 625-7587
Cosby Heating and Cooling7431 Old Delaware Rd, Mount Vernon
9.0 mi(740) 431-4230
Housing market around ZIP 43334
Figures describe the local area, not this company.
Typical home value$355,000+6.7% past year · +106% in 10 years
12-month value outlook+1.8%
Days to sale agreement14Columbus metro · 11 a year ago
New homes permitted, 202599Morrow County
Listings with a price cut34.9%Columbus metro
Sale price vs list99.4%Columbus metro
New construction sales227Columbus metro, Aug · −11% 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: 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.