HVAC companies in Cold Spring Harbor, NY 11724
1 HVAC companies, with local market data for this ZIP.
Area profitability, HVAC72 / 100Strong market, crowded field
Typical home value$1,893,000+8.7% in the past year
New homes permitted, 20251,399Suffolk County
Homeowners92.7%977 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
One Hour Heating & Air ConditioningHVAC contractor · 50 Pine Dr Unit 11724-1618, Cold Spring Harbor(631) 291-9655 · onehourheatandair.com
HVAC in ZIP 11724 at a glance
Local building angle: Suffolk County permitted 1,399 new homes in 2025, including 287 apartment units. 4% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.