Kurt Shafer
  • Temecula, CA
  • United States
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Kurt Shafer's Discussions

Rooftop Whole House Fan Pulls 8005 CFM

Started Jul 30 0 Replies

A patent has been filed by Kurt Shafer for the first Hybrid Turbine Rooftop Ventilator to be built in America. The design is ideal for both residential and industrial/commercial buildings. The whole…Continue

Tags: for, homes, without, attics., rooftop

Where can I find the best radiant barrier to install under my roof?

Started this discussion. Last reply by Hal Skinner Nov 1, 2014. 16 Replies

As home energy professionals, we all need to know the best way to prevent attics from overheating in the summer. My 2800 SF 2 story has a standard man made 1 inch thick shingle roof over simple sub…Continue

Tags: barrier, radiant, roof

 

Kurt Shafer's Page

Latest Activity

Kurt Shafer replied to Jerry Needham's discussion HVAC Question about running fan continuously Vs. setting on Auto so it runs when AC or Furnace runs
"Jerry, as an energy consultant I imagine you are well versed in solar systems. Have you seen how valuable whole house fans are when combined with solar? Here is a white paper by an expert, Jonathan Hill…"
Aug 20
Kurt Shafer replied to Jerry Needham's discussion HVAC Question about running fan continuously Vs. setting on Auto so it runs when AC or Furnace runs
"Jerry I don't have videos posted yet but I have some nice pictures from customers. See them here -  http://thorwaldsonwholehousefans.com/testimonials/ As an energy expert you might be aware of the latest shakeup in the whole house fan…"
Aug 20
Kurt Shafer replied to Jerry Needham's discussion HVAC Question about running fan continuously Vs. setting on Auto so it runs when AC or Furnace runs
"Jerry, I am a whole house fan expert but not an HVAC expert. However, I have no idea why any HVAC contractor would advise that. I know it can be done but you are correct  - the new brushless electronically commutated DC motors (ECMs) are…"
Aug 20
Kurt Shafer posted a discussion

Rooftop Whole House Fan Pulls 8005 CFM

A patent has been filed by Kurt Shafer for the first Hybrid Turbine Rooftop Ventilator to be built in America. The design is ideal for both residential and industrial/commercial buildings. The whole house fan implementation is described in detail at http://www.ThorwaldsonWholeHouseFans.comIt is a 20 inch diameter throat with a 24 inch diameter vertical bladed turbine on top for rain proofing. Inside the throat is a high performance high…See More
Jul 30
Daniel Baur-McGuire commented on Kurt Shafer's status
"Whole house fans are a scam if you use air conditioning. Seriously "
Jun 19
Kurt Shafer posted a status
"I am now a POWUR solar consultant (http://www,powur.com/kurt.shafer/learn and http://www.Invisco.com/solar"
Jun 18
Kurt Shafer posted a status
"Invisco sold the high performance ES-6400 and ER-8000 whole house fan products to Thorwaldson (http://www.ThorwaldsonWholeHouseFans.com)"
Jun 18
Kurt Shafer added a discussion to the group Job Board
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Installers for Whole House Fans in Various Cities

Invisco Whole House Fan Company in Temecula CA sells the highest performance fans in history. The ES6320 pulls 6,320 CFM at 505 watts through one 20 inch throat mounted high in attics. The ER8000 pulls 8000 CFM at 505 watts through one 20 inch throat mounted through a hole in the roof of homes with no attics. Both come with wireless speed control and AC power control so wiring is easy. If you are open to installing these in your area please contact me kurt@invisco.com or 951-296-3611.See More
Apr 24, 2017
Kurt Shafer joined Diane Chojnowski's group
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Job Board

This group is for posting jobs related to all aspects of the home performance industry including energy auditors, technicians, and weatherization pros.See More
Apr 24, 2017
Kurt Shafer posted a blog post

First Rooftop Whole House Fan for Homes without Attics

Eichler was one of the most famous Mid Century Modern home builders in the 50s and 60s. His homes are all over California. Owners of his designs have not had a whole house fan to help cool their homes until now. I just invented the first rooftop to pull 8000 CFM at just 505 watts through a 20 inch throat. The top can be hidden by a chimney looking enclosure and the bottom inside the home by a faux cabinet.See more at http://www,/ThorwaldsonRooftopWholeHouseFans.com See More
Apr 24, 2017
Kurt Shafer posted a status
"Invisco rooftop whole house fan pulls 8000 CFM on high speed. That proves the power of the Tornado turbine rain hat."
Mar 31, 2017
Kurt Shafer posted a status
"Invisco has the best whole house fan at the best price. IdeaBuyer.com committed $20,000 to take the Tornado rooftop to over 38,000 stores"
Mar 14, 2017
Kurt Shafer posted a status
"6,320 CFM, 505 watts, 20 in diameter whole house fan can be mounted in the attic or on rooftop if no attic. First in history. invisco.com"
Dec 29, 2016
Kurt Shafer posted a status
"Invisco now has an affiliate program so you can help others know about these new products and make over $200 per sale. More at invisco.com"
Sep 1, 2016
Kurt Shafer posted a status
"Invisco now has the first and only rooftop mounted whole house fan for homes without attics. It uses the hot new Tornado turbine ventilator"
Sep 1, 2016
Kurt Shafer posted a status
"Invisco now has the highest performance whole house fan."
Jul 5, 2016

Profile Information

Company
Invisco Whole House Fan Company
Professional Certification
BSEE USC
Professional Interests
Energy conservation, ventilation techniques, attic insulation perfection.
Website URL
http://www.invisco.com

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Kurt Shafer's Blog

First Rooftop Whole House Fan for Homes without Attics

Posted on April 24, 2017 at 11:07am 0 Comments

Eichler was one of the most famous Mid Century Modern home builders in the 50s and 60s. His homes are all over California. Owners of his designs have not had a whole house fan to help cool their homes until now. 

I just invented the first rooftop to pull 8000 CFM at just 505 watts through a 20 inch throat. The top can be hidden by a chimney looking enclosure and the bottom inside the home by a faux cabinet.

See more at http://www,/ThorwaldsonRooftopWholeHouseFans.com 

Whole House Fan Thermostat

Posted on June 2, 2016 at 10:51am 0 Comments



News for 2016! I have invented a thermostat for whole house fans that can be used on any installed fan. As you know, whole house fans should not be automatically started because there is no way to know if return air is available in the form of, usually, open windows. So my thermostat does not start working until the fan is turned on by the homeowner. Then it senses the home temperature and automatically turns the fan off when the temperature falls to the set point desired. More info at…

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What is your opinion about members promoting products here?

Posted on July 18, 2014 at 12:02pm 11 Comments

Hello,

I am a whole house fan and attic ventilation expert in Temecula CA. I started studying whole house fans in 2008 when my wife, Darlene, and I moved from Manhattan Beach. I would really like to share my knowledge with all of you but I want to be sure I don't antagonize you with more commercialization than you want. Please let me know your opinion and if you can, send me some examples of acceptable blogs and unacceptable ones. 

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