HVAC companies in Dayton, OH 45402
4 HVAC companies, with local market data for this ZIP.
General contractors 14Roofing and exteriors 5HVAC 4Electricians 4Carpentry, drywall and windows 3Other construction trades 2Concrete and masonry 2Fences and decks 1
Area profitability, HVAC24 / 100Soft market, crowded field
Typical home value$75,000−8.0% in the past year
New homes permitted, 20251,079Montgomery County
Homeowners35.9%4,680 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Allied SupplyHVAC contractor · 1100 E Monument Ave, Dayton(937) 224-9833 · alliedsupply.com · 6 drivers, 8 trucks
CJH Mechanical Inc.HVAC contractor · Building Services, 371 W 2nd St, Dayton(937) 982-4085 · cjhmechanical.com
Five Star Heating & Cooling DaytonHVAC contractor · 11 W Monument Ave, Dayton(937) 708-8278 · myfivestarhomeservices.com
Legendary Fence Company DaytonHVAC contractor · 1706 W Grand Ave, Dayton, OH 45402, Dayton(937) 998-4232 · legendaryfencecompanydayton.com
HVAC in ZIP 45402 at a glance
Local building angle: Montgomery County permitted 1,079 new homes in 2025, including 328 apartment units. 14% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.