HVAC companies in Arnold, MD 21012

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

Area profitability, HVAC77 / 100Strong market, balanced field
Typical home value$592,000+2.1% in the past year
New homes permitted, 20251,844Anne Arundel County
Homeowners86.3%8,112 households

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

Sines and Sons Heating and CoolingHVAC contractor · 1195 Baltimore Annapolis Blvd, Arnold(410) 267-0260 · sinesandsons.com · 1 driver, 1 truck

HVAC in ZIP 21012 at a glance

Local building angle: Anne Arundel County permitted 1,844 new homes in 2025, including 971 apartment units. 8% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.