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Category: Economics

Retrofitting is where it’s at

January 26, 2023 Rogier F. van Vlissingen 2 Comments

Anyone who has followed the changes of mileage in cars, has realized that the fleet performance changes slowly because cars…

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Posted in: Economics, Energy Efficiency, Housing, Retrofits, Thermal Load, Thermal Performance Filed under: blocking heat, Building envlope, thermal load, Window insulator

When Energy Met Density

December 24, 2022 Rogier F. van Vlissingen

New Energy Storage Solutions In the popular imagination, energy density is gaining some new recognition because people are starting to…

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Posted in: Air Quality, Economics, Energy Efficiency, Retrofits Filed under: Transportation

It’s the Envelope, Stupid!

November 28, 2022 Rogier F. van Vlissingen 1 Comment

We keep lamenting the amounts of energy used by buildings, but it’s like the proverbial weather in New England: nobody…

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Posted in: Economics, Energy Efficiency, Housing, Retrofits, Thermal Load, Thermal Performance Filed under: building envelope, emissivity, heat rejection, insulation, r-value

Air Quality Monitoring Michagass

March 18, 2022 Rogier F. van Vlissingen

Notes from the field: Measuring AQI is a troubled affair. Indoor air quality (IAQ) has been a joke for a…

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Posted in: Air Quality, Economics, Energy Efficiency, Housing Filed under: BLATN, BRWISSEN, CO2, Formaldehyde, HCHO, IAQ, PM2.5, Temtop

IAQ in the Bronx

February 8, 2022 Rogier F. van Vlissingen

This is part of the growing story of the Dexwet Pure Air introduction in the US, and the initial commercial…

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Posted in: Air Quality, Economics, Housing

The Payoff from Clean Coils

December 5, 2021 Rogier F. van Vlissingen

It is more or less an open industry secret that in refrigeration and HVAC some 15-25% of energy is wasted…

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Posted in: Air Quality, Economics, Energy Efficiency Filed under: Cleaning, coils, ghost energy, HVAC, refirgeration, vampire energy

The Pitfalls of Energy Retrofitting in New York City

February 4, 2019 Rogier F. van Vlissingen

In a way we are fortunate to have a high level of support in the city providing for energy upgrades…

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Posted in: Air Quality, Economics, Energy Efficiency, Retrofits Filed under: deep retrofit, energy efficiency

ESG Investing and Underwriting Principles

September 27, 2018 Rogier F. van Vlissingen 1 Comment

ESG investing is a growing field, but green underwriting has been slow to develop and cannot seem to get out…

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Posted in: Economics, Finance Filed under: Climate Bond Initiative, credit ratings, GHG-emissions, retrofits, sub-optimization, underwriting criteria

Recent Posts

  • Retrofitting is where it’s at
  • When Energy Met Density
  • It’s the Envelope, Stupid!

Recent Comments

  • John Cockerill on Retrofitting is where it’s at
  • Dennis G. Roberts on Retrofitting is where it’s at
  • John Cockerill on It’s the Envelope, Stupid!

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