Master Cooling & Heating Systems Inc.
HVAC contractor in Ronkonkoma, NY 11779
About this company
Master Cooling & Heating Systems Inc. is listed as an HVAC contractor at 780 Marconi Ave in Ronkonkoma, New York, in Suffolk County. Federal motor carrier records list 1 drivers and 1 trucks for the company. It is one of 21 HVAC companies in ZIP 11779.
Other HVAC companies nearby
Nice Air Conditioning870 Marconi Ave, Islip
0.1 mi(516) 315-5928
Michael James Industries11 Drew Ct, Ronkonkoma
0.1 mi(631) 231-3434
Sav Mor Mechanical, Inc.30 Howard Pl Ste B, Ronkonkoma
0.2 mi(631) 467-8585
Airmax Long Island Inc720 Koehler Ave, Ronkonkoma
0.5 mi(631) 737-5566
Accu-Temp Heating & Cooling140 Raynor Ave, Ronkonkoma
0.6 mi(631) 615-7255
Housing market around ZIP 11779
Figures describe the local area, not this company.
Typical home value$651,000+6.0% past year · +92% in 10 years
Typical rent$3,019+8.3% past year
12-month value outlook+3.3%
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. 8% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.