685 First Avenue – Manhattan, New York

685 First Avenue – Manhattan, New York

685 First Avenue – Manhattan, New York
Project type
Project location
Manhattan, New York
Richard Meier & Partners Arhcitects LLP
About the Client
The 685 First Avenue site is a 32,365 SF parcel located between East 39th and East 40th Streets on First Avenue in New York City, south of the United Nations Headquarters along the East River. It is a prominent location in Manhattan.
The 42-story, 460-foot high residential tower will provide 556 rental and condominium apartments and will feature panoramic views of the New York City riverfront.
Heating system
Electric Underfloor Heating
System specifications
  • Custom Mats
  • Perimeter heat
  • 39 Floors and Lobby
  • 4iE-03 Thermostats

The Challenge 

Providing a solution to offset heat loss created by window areas and perimeter walls whilst also supplying a floor heating system to be installed throughout the main lobby.

The Solution 

Warmup designed and supplied custom size electric floor heating mats to be installed around the perimeter of each floor and throughout the entire main lobby.

The Result

The lobby had custom mats installed in the floor creating a comfortable high-end luxurious feel in the main lobby. The additional floors had heat losses offset by the Warmup mats installed around the perimeter of each room creating a more comfortable environment for its future residents.

Product information

Heating Mat


Related Projects

Hudson Yards – New York

Gramercy Buildings – New York

Huron – Chicago

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