"When I am asked to fix this home. I start with a Heat Loss and gain, blower door IR sq ft, then I find the CFM per room then I find the CFM per room and comprare the supply and return to ACCA MJ room to room, or leval/zone.…"
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Patrick Michaelyan
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- Arlington, VA
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Patrick Michaelyan's Discussions
Hot Upper Stories
13 Replies
Hello Pros!I had a very nice chat with a client the other day.He and his wife have dealt with a "too hot upper story" (in their 1970s split-level) for 20 years.They have sufficient attic insulation…Continue
Started this discussion. Last reply by Eric Kjelshus yesterday.
Mold Growth & Draftiness Post Energy Improvements
15 Replies
Hello energy pros.I need your combined wisdom before I proceed to help a client of mine address what appears to be mold growth and draftiness after I completed attic air sealing and other…Continue
Started this discussion. Last reply by Robert D York Jr Jan 7.
Doggy Doors...What to do?
14 Replies
I did an audit yesterday and found out that a single doggy door was responsible for 1,300 CFM50 of air leakage (in an already-leaky house...total leakage of 5,300 CFM50 and only 2,200 square feet…Continue
Started this discussion. Last reply by Patrick Michaelyan Nov 16, 2012.
Funky Smell in Ductwork
13 Replies
Hello all,I performed an audit the other day and one of the homeowners' largest concerns was a funky smell in the ducts that serve the upper stories (of a 3-story row home in Washington, DC). The…Continue
Started this discussion. Last reply by Patrick Michaelyan Nov 21, 2012.
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Dennis Heidner replied to Patrick Michaelyan's discussion Hot Upper Stories"Could you have them make a simple two line graph of the outside temperature, noting sun/clouds, their comfort in the rooms, vs the time of day. Home much of this is heat soak from the ceiling, or through the walls. Give them a…"
Beth Kopitzke replied to Patrick Michaelyan's discussion Hot Upper Stories"Replacing all windows in a house is one expensive upgrade. If they can't commit to the cost you may want to suggest dual reflective window film. It's is a cost effective retrofit that will save the home owner on their energy bill. "
Anthony Hyde replied to Patrick Michaelyan's discussion Hot Upper Stories"You listed 3300 CFM50 - air seal the ceiling to attic plane, install proper soffit vents ( rafter to rafter to above the insulation and sealed down to the outside of the top plate).and get your insulation and up to Code or better. .
Do…"
Morgan Hunter replied to Patrick Michaelyan's discussion Hot Upper Stories"Living in Ontario, I also had excessive roof space heat radiation into the 2nd floor living space in the summer. 20 yr old home asphalt shingles well insulated and roof vents to code, but our home is situated below a large hill which in the…"
Patrick Michaelyan's discussion was featuredHot Upper Stories
Hello Pros!I had a very nice chat with a client the other day.He and his wife have dealt with a "too hot upper story" (in their 1970s split-level) for 20 years.They have sufficient attic insulation (about 12-14"), a partial air barrier at the attic floor, and ducts in the attic wrapped to R-4 (but not sealed).They know their options for improving comfort in the summer (i.e. seal the ducts, boost the insulation level of the ducts, install a radiant barrier, achieve better attic ventilation).Our…See More
Patrick Michaelyan replied to Patrick Michaelyan's discussion Hot Upper Stories"I have my HVAC expert heading out there soon.
I'll follow up."
Patrick Michaelyan replied to Patrick Michaelyan's discussion Hot Upper Stories"These HOs in my area are very concerned with what the Jones' think, so lighter colored shingles may be a tough sell. Se la vie."
Patrick Michaelyan replied to Patrick Michaelyan's discussion Hot Upper Stories"Asphalt shingles, about 10 years old. Dark color.
Thanks for the advice on low-E coatings.
I will return to do IR inspection when the temps are higher."
Bob Blanchette replied to Patrick Michaelyan's discussion Hot Upper Stories"I think you nailed it right there. Airflow is everything and that's where your customer is missing it for comfort. 4 tons is nuts for that far North, it's not like they are getting it delivered anyways. Having 2 small systems 1.5ton/50k…"
Robert D York Jr replied to Patrick Michaelyan's discussion Hot Upper Stories"You didn't mention what color the roof shingles are. Going with a light colored roofing material could be the solution for them."
David Meiland replied to Patrick Michaelyan's discussion Hot Upper Stories"In addition to what has been mentioned...
What is the roofing, and how old?
A radiant barrier installation under the rafters might make some improvement. I would not bank on additional attic venting.
Presumably all the glass is clear, no…"
Patrick Michaelyan replied to Patrick Michaelyan's discussion Hot Upper Stories"Bud,
Washington D.C. area.
Blower door: 3,300 CFM50.
2,200 square feet conditioned.
Leakage at all normal culprits (top plates, rim\band joists, doors & access panels).
Decent mechanicals, but not enough distribution capacity for AC unit.…"
Bud Poll replied to Patrick Michaelyan's discussion Hot Upper Stories"Hi Patrick,
Give us a big city so we will know what climate zone you are dealing with, summer and or winter heat. A few years back I worked with a home owner who had over 3' of attic insulation, but his problems hadn't changed. …"
Patrick Michaelyan posted a discussionHot Upper Stories
Hello Pros!I had a very nice chat with a client the other day.He and his wife have dealt with a "too hot upper story" (in their 1970s split-level) for 20 years.They have sufficient attic insulation (about 12-14"), a partial air barrier at the attic floor, and ducts in the attic wrapped to R-4 (but not sealed).They know their options for improving comfort in the summer (i.e. seal the ducts, boost the insulation level of the ducts, install a radiant barrier, achieve better attic ventilation).Our…See More
Robert D York Jr replied to Patrick Michaelyan's discussion Mold Growth & Draftiness Post Energy Improvements"Where is the dryer vent located? Has it been moved or damaged during work? Was it inspected? Is the hose full of lint?"
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Comment Wall (1 comment)
- At 10:58am on November 30, 2011,
Diane Chojnowski said… Hi Patrick,
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!
Thanks!
Diane, HEP Moderator
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