Serving Nassau, Suffolk, and

the 5 Boroughs of New York

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L & J Heating & AC_ Heating Services_ Family-owned L & J Heating & AC_ Heating Services_ Navien

Get Prompt, Courteous Heating Services

For new home installations, remodeling projects, routine seasonal maintenance, or repairs as needed, contact L & J Heating & AC of Oceanside, NY, serving New York and Long Island.

  • Carrier High-efficiency gas fired furnaces

  • Daikin ductless system certified pro contractor

  • Fujitsu & Mitsubishi certified contractor

  • Sanyo authorized installer

  • Sanyo Ecosystem heat pump

  • Repairing all makes and models

  • Gas and electric heat

  • Baseboard heating and duct work

  • Air purifiers and humidifiers

Heating services include

When you work with a family-owned and operated business, you contribute to the local economy, keep local taxes lower, and help create jobs for local friends and neighbors.


We specialize in Carrier, Luxaire, Tempstar, Sanyo, Mitsubishi, and others. You also get a 1-year labor warranty and manufacturer's warranty on equipment.

Family-owned and operated

For sales, services, and installations, call today:


• 30 years of excellent service

• Ask about our FREE estimates

• Senior and military discounts

• Money-saving attic fans

• References available on request

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