New Mexico Villagra Building
The Villagra Building is owned by the State of New Mexico and is home to the
office of the New Mexico Attorney General. The building, originally built in
1934 as the Public Welfare Department, was the first building constructed with
New Deal money in New Mexico and is listed in the State Register of Cultural
Properties.
In 2004, a complete retrofit of the existing building was undertaken in
conjunction with a new addition to the complex. The retrofit of Villagra
Building was the first project in New Mexico to achieve LEED Gold level
certification. The building design incorporates many energy efficiency measures:
- HVAC System
- Four-pipe fan coil HVAC system has Energy Recovery Units which
capture waste hear from ventilation system
- Variable speed drives on ventilation system
- Occupancy sensors turn off heating or cooling when a room is
unoccupied
- "Economizer" mode available to use 100% outside air when temperature
and humidity permits this
- Direct Digital Control system controls room temperature and
ventilation and responds to CO2 sensors to modulate air supply
- High efficiency boiler
- Lighting
- Daylighting system includes auto-dimming feature when daylight is
sufficient
- Occupant sensors switch off lights when a room is unoccupied
- Building Envelope
- R-30 roof achieved by adding insulation to top floor ceiling
interior
- R-11 insulation added to exterior concrete walls
- Original 1934 double hung single glazed windows' thermal performance
was enhanced with high-tech ceramic film while retaining historic
character
Quick Facts
- Retrofit certification level: LEED-CI Gold
- Energy performance: 31% better than ASHRAE 90.1-2004
- Carbon dioxide emissions reduction: 58,000 lbs per year
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