HVAC companies in Preston, MD 21655
1 HVAC companies, with local market data for this ZIP.
General contractors 13Other construction trades 3Excavation and demolition 2HVAC 1Painting 1Roofing and exteriors 1
Area profitability, HVAC52 / 100Moderate market, crowded field
Typical home value$334,000+0.9% in the past year
New homes permitted, 202575Caroline County
Homeowners84.0%1,846 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Coldmaster Refrigeration ServiceHVAC contractor · 114 Chambers St, Preston(410) 673-8466 · coldmaster.net
HVAC in ZIP 21655 at a glance
Local building angle: Caroline County permitted 75 new homes in 2025. 22% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.