HVAC companies in Port Republic, MD 20676
3 HVAC companies, with local market data for this ZIP.
Area profitability, HVAC60 / 100Strong market, crowded field
Typical home value$504,000+2.0% in the past year
New homes permitted, 2025157Calvert County
Homeowners87.1%1,371 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Berthiaume Heating & Air ServicesHVAC contractor · 1895 Parkers Creek Rd, Port Republic(443) 532-6118 · mdbhas.com · 2 drivers, 1 truck
Mikes Maintenance Heating & Air ConditioningHVAC contractor · 3146 Howard Dr, Port Republic(410) 320-5874 · mikesmaintenanceheatingandair.com
True Blue HVACHVAC contractor · 5631 Mills Field Ln, Port Republic(410) 474-4798 · truebluehvacmd.com
HVAC in ZIP 20676 at a glance
Local building angle: Calvert County permitted 157 new homes in 2025, including 35 apartment units. 21% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.