William Reid
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  • Aberdeen
  • United Kingdom
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William Reid replied to Kaushal Bharath Raju's discussion On the Question of Airtightness and Energy Performance
"Passive Houses by definition do not need recirculation so "...avoid the recirculating units common in Passive Houses" gives a false impression. Extraction of air from kitchens and bathrooms is a standard feature of Passive House…"
Jun 20
William Reid replied to Kaushal Bharath Raju's discussion Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.
"There is a different PH standard for upgrades called EnerPHit which is probably more appropriate in your case. It allows a maximum of 1.0 air changes per hour instead of 0.6 which can be difficult to achieve in existing buildings. It doesn't…"
May 1
William Reid replied to Kaushal Bharath Raju's discussion On the Question of Airtightness and Energy Performance
"In the UK we often used to estimate that about 40% of heat loss in the average traditional poorly insulated house was due to air loss. Where the climate is more equable the percentage may be less but as insulation levels are increased the proportion…"
Apr 30
William Reid commented on Tom Delconte's blog post We Are About to Pass 400ppm CO2!
"Sean seems to have doubts about the validity of the CO2 data. Maybe he should have a look at the ice core data:- http://en.wikipedia.org/wiki/File:Vostok_Petit_data.svg"
May 2, 2013
William Reid replied to George Whiting's discussion Retrofit insulation on the roof over cathedral ceiling
"Warm roofs only work if vapour is prevented from reaching the underside of the cold decking. Any gaps in the insulation or if it is porous will result in mould growth eventually if there is no ventilation. Plywood is partial vapour stop so is best…"
Jan 8, 2013
William Reid replied to Laura Reedy Stukel's discussion How would you makeover Downton Abbey?
"This problem requires a pragmatic approach. My suggestions in order are:- 1. The installation of a biomass heating boiler system for heating using the estate renewable timber resource. 2. A solar hot water system probably roof mounted. 3. Gradual…"
Oct 17, 2012
William Reid replied to Laura Reedy Stukel's discussion How would you makeover Downton Abbey?
"The calculator is here:- http://www.ggf.org.uk/energy-savings-calculator. It uses metric units."
Oct 17, 2012
William Reid replied to Laura Reedy Stukel's discussion How would you makeover Downton Abbey?
"I calculate the saving for a 1x3m. single glazed window using the Glass and Glazing Federation's calculator at about £28 per annum which seems about right. I don't see how where the $274 figure comes from?"
Oct 16, 2012
William Reid replied to Eric M. Fletcher's discussion Winter condensation on windows in a house that is very well insulated.
"I think you must be using more elaborate HVAC systems in the US than we use here in the UK. An average whole house ventilation system here with HR (<90% efficiency) will use about 120 kW/h per annum - that is for 22 hours a day at trickle and 2…"
Sep 12, 2012
William Reid replied to Eric M. Fletcher's discussion Winter condensation on windows in a house that is very well insulated.
"Are the flue and condensate drainage systems for the heating system working correctly? Propane gas produces a lot of moisture. The vapor barrier should definitely not be removed as there is always a risk of interstitial condensation in highly…"
Sep 12, 2012
Diane Chojnowski left a comment for William Reid
"Hi William, Welcome to Home Energy Pros. Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for…"
Sep 8, 2012
William Reid is now a member of Home Energy Pros
Sep 7, 2012

Profile Information

Company
EXP Computing
Professional Certification
Diploma in Architecture
Professional Interests
Architect
Website URL
http://www.fcad.co.uk

Comment Wall (1 comment)

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At 4:36am on September 8, 2012, Diane Chojnowski said…

Hi William,

Welcome to Home Energy Pros. Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!

Don't forget to upload your profile photo. And add your location on our Member Map.

It would be great to see the UK represented.

Thanks!

Diane, HEP Moderator

 
 
 

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Griffin Hagle replied to Tom Conlon's discussion Whole House Fans - Love 'Em or Not?
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Kurt Shafer replied to Tom Conlon's discussion Whole House Fans - Love 'Em or Not?
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Kurt Shafer replied to Tom Conlon's discussion Whole House Fans - Love 'Em or Not?
"Glen,  I read your blog with some interest.  You say  " Per the Home…"
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tedkidd commented on Scott Mellberg's blog post Lessons from Energy Efficiency Advisors: Getting Homeowners Onboard with Home Performance
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