Efficient Mechanical
HVAC contractor in Babylon, NY 11729
About this company
Efficient Mechanical is listed as an HVAC contractor at 1649 Deer Park Ave in Babylon, New York, in Suffolk County. It is one of 10 HVAC companies in ZIP 11729.
Other HVAC companies nearby
Deer Park Ave Heating and Air Conditioning699 Acorn St, Babylon
0.7 mi(631) 579-0431
Commercial Instrumentation Services681 Grand Blvd, Deer Park
0.7 mi(631) 243-4300
Metro Heating and Air Conditioning64 Brook Ave Ste 5, Deer Park
1.0 mi(631) 392-4094
One Hour Heating and Air Conditioning of Suffolk County569 Acorn St, Babylon
1.0 mi(631) 779-4056
K2 Heating & Air Conditioning561 Acorn St Unit D, Deer Park
1.0 mi(800) 531-2160
Housing market around ZIP 11729
Figures describe the local area, not this company.
Typical home value$683,000−0.4% past year · +73% in 10 years
Typical rent$2,404
12-month value outlook+3.7%
New homes permitted, 20251,399Suffolk County
Days to sale agreement33New York metro · 32 a year ago
Listings with a price cut16.6%New York metro
Sale price vs list102.3%New York metro
New construction sales390New York metro, Aug · −29% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
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.