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Techbuilt House Renovation in Tuxedo Park

Renewing a mid-century home

for family life.

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Project type: Residential renovation

Location: Tuxedo Park, New York

Architecture: Ogawa Depardon Architects

Queenie Tong's role: Project Architect and Project Manager Completed while at Ogawa Depardon Architects.

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After many years without renovation, this Techbuilt house had dark interiors, an inefficient layout, and cold spaces. The brief was to update it for everyday family life while respecting its original architectural character. The renovation reconfigured the children's bedrooms, added an operable skylight, modernized two bathrooms, and brought in updated HVAC, radiant floor heating, and solar hot water.

What needed to change

A structurally unsound balcony had to be removed. Two unevenly sized upstairs rooms needed to become equal bedrooms for the family's children. The interior needed daylight, updated bathrooms, and a response to the cold.

We 

Two equal bedrooms

The upstairs was reconfigured to create two equal-sized bedrooms from rooms that had been uneven. It answered a clear family priority: each child gets a comparable amount of space.

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Daylight and fresh air

A new operable skylight brought daylight into the dark interior and added an opening for natural ventilation when weather allows. The kitchen has a waterfall-edge island and a layout that supports cross-ventilation.

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Comfort and building systems

Cold conditions made heating a central part of the renovation. The systems were developed alongside the architectural changes:

Upgrade
What it did
Radiant floor heating and updated HVAC
Addressed the cold conditions
Blown-in cellulose insulation
Improved thermal performance with a recycled, paper-based material
Double-insulated windows with slim profiles
Reduced heat loss while staying close to the original windows' lightness
Solar hot water tubes
Supplemented the boiler's hot water supply
Operable skylight
Added daylight and ventilation

Queenie's role

Queenie Tong was project architect and project manager at Ogawa Depardon Architects. She was the primary contact for the client and contractor and attended all project site meetings, with additional construction administration support from the firm's principal.

 

What this project shows

  • Improve the building envelope before focusing on finishes.

  • Add daylight where it improves daily comfort.

  • Keep what is already good about the house, and change the rest with care.

 

Planning a renovation of your own?An older home may need changes to its layout, light, interiors, and building systems at the same time. Tell us about your home, what is no longer working, and what you'd like to change.

Planning a Renovation of Your Own?

An older home may need changes to its layout, light, interiors, and building systems at the same time. Tell us about your home, what is no longer working, and what you'd like to change.

  • Interested in this approach?

Explore wellness-focused renovations.

  • Older home in the city?

See our NYC townhouse renovation architect page.

  • Buying an older home?

​A Healthy Home Review gives you written priorities first.

  • Another renovation: 

The landmarked Upper West Side townhouse.

  • Developing at scale?

The Units That Breathe Framework.

Questions

What is a Techbuilt house?

A mid-century house type known for efficient, modular construction. These homes often have a clear structural logic that can be kept and improved through a careful renovation.

 

Why was cellulose insulation used?

Blown-in cellulose improves thermal performance and is commonly made from recycled paper. In this house it formed part of the envelope upgrades.

 

How did the renovation improve natural light?

A new operable skylight brought daylight into a previously dark interior and added an opening for natural ventilation.

 

Can a sustainable renovation work in an older home?

Often, yes. Targeted upgrades such as insulation, windows, ventilation, and solar hot water can improve an older house without replacing everything.

© 2026 by Tong Dong Architects

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