HVAC companies in Rockford, IL 61109

4 HVAC companies, with local market data for this ZIP.

Area profitability, HVAC44 / 100Moderate market, balanced field
Typical home value$196,000+10.7% in the past year
New homes permitted, 2025309Winnebago County
Homeowners64.2%11,031 households

Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.

Black Diamond Plumbing & Mechanical Inc.HVAC contractor · 3548 35th St, Rockford(779) 207-3003 · blackdiamondtoday.com
Geostar MechanicalHVAC contractor · 27 Airport Dr, Rockford(815) 494-9090 · geostarinc.com
RN PlumbingHVAC contractor · 4511 Linview Dr, Rockford(815) 874-6983 · plumbingrockford.com
Synergy Heating & CoolingHVAC contractor · 3481 Brick Dr, Rockford(815) 977-5826 · synergyhvac.com

HVAC in ZIP 61109 at a glance

Local building angle: Winnebago County permitted 309 new homes in 2025. 10% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.