Posts Tagged ‘USA’

October 16, 2019

New case study added! Garfield Passive House in Williamstown!

Renovation into a passive house building?  A building from 1850? Can it be done? If this was your question, then this Swegon Air Academy Case Study is the answer to you. The building is originally from 1850 built as a residence hall. The project is considered as a deep energy retrofit and the aim was […]...

AUTHOR: Petra Vladykova Bednarova

March 14, 2017

History of Ventilation: Air conditioning system in USA!

1902: Electrically-powered air conditioning system A printing works in New York installed an electrically-powered air conditioning plant designed by an American, Willis Carrier. The equipment could cool, heat and moisturize…...

AUTHOR: Petra Vladykova Bednarova

July 12, 2016

Residential buildings consumes more energy than commercial buildings in the U.S.? And half of residential energy use is for space conditioning!

The residential buildings in the United States use more energy than commercial buildings. According to the U.S. Energy Information Administration, 40% of all energy use in the U.S. is for…...

AUTHOR: Petra Vladykova Bednarova

January 29, 2015

Did you know that selling of certified buildings in USA…?

Energy Star-labeled and LEED-certified properties sell at premiums of $30 to $129/ft2 compared to comparable properties. (Wiley, 2010) Other information can be found here (link). Image by U.S. Green Building…...

AUTHOR: Mike Woolsey

January 26, 2015

Did you know about revenue in certified buildings in USA…?

Office buildings with Energy Star or LEED eco-labels obtain rental premia of approximately 3-5%. (Fuerst, 2010) Other information can be found here (link). Image by U.S. Green Building Council...

AUTHOR: Mike Woolsey

January 22, 2015

Did you know about dual certification in USA…?

Dual certification (Energy + LEED) produces an additive effect. (Fuerst, 2010) Other information can be found here (link). Image by U.S. Green Building Council...

AUTHOR: Mike Woolsey

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January 16, 2015

Did you know about occupancy levels in Green Buildings in USA…?

Occupancy levels are higher by approximately 10 to 11% for Energy Star properties and 16 to 18% for LEED – certified properties. (Wiley, 2010) Other information can be found here…...

AUTHOR: Mike Woolsey

January 13, 2015

Did you know that the residual value for Green Building in USA…?

Residual value: “Based on a sample of sale prices for 559 Energy Star- and 127 LEED-certified buildings, we find price premia of 26% and 25%, respectively with higher levels of…...

AUTHOR: Mike Woolsey

January 9, 2015

Did you know about rental rates in Green Buildings in USA…?

Buildings with a “green rating” command rental rates that are roughly 3% higher per square foot than otherwise identical buildings. Premiums in effective rents are even higher – above 7%.…...

AUTHOR: Mike Woolsey

January 6, 2015

Did you know about sale price for Green Buildings in USA…?

Respective sale price premia for Energy Star and LEED labeled office buildings are 18% and 25%. (Fuerst, 2010) Other information can be found here (link). Image by U.S. Green Building…...

AUTHOR: Mike Woolsey

January 2, 2015

Did you know about rents in Green Buildings in USA…?

Green-labeled buildings achieve significantly higher rents – estimated at 7.3 to 8.6% for Energy Star properties and 15.2 to 17.3% for LEED – certified properties. (Wiley, 2010) Other information can…...

AUTHOR: Mike Woolsey