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Category: Energy Efficiency

Alternatives to Insulation

February 18, 2023 Rogier F. van Vlissingen 1 Comment

In respect of building envelopes, we tend to think insulation, as if that were the only option. But the range…

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Posted in: Economics, Energy Efficiency, Finance, Housing, Retrofits, Thermal Load, Thermal Performance Filed under: emissivity, heat blocking, insulator, payback, reflectivity, termal load

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

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

Steam and Respiratory Infections

October 2, 2021 Rogier F. van Vlissingen

The truth is, steam radiators were designed to keep you warm with the windows open, because after the 1918 flu…

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Posted in: Air Quality, Energy Efficiency, Uncategorized Filed under: Air Quality, CO2, Dexwet, Dexwet Pure Air, Oxygen, particulates, Plants, Pure Air

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

Recent Posts

  • Alternatives to Insulation
  • Replacing Brains with Bureaucracy
  • Retrofitting is where it’s at

Recent Comments

  • Dennis G Roberts on Alternatives to Insulation
  • John Cockerill on Retrofitting is where it’s at
  • Dennis G. Roberts on Retrofitting is where it’s at

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