Search:
Type: Posts; User: cem-bsee
Search: Search took 0.04 seconds.
-
03-22-2009, 08:07 AM
Thread: efficiency max- off bldg
by cem-bsee- Replies
- 0
- Views
- 219
efficiency max- off bldg
I thought you all might be interested --
-- lots of hype regarding making everything 30% more efficient
from Mar09 issue of Building Design+Construction:
Study shows 30% above ASHRAE energy... -
03-22-2009, 08:02 AM
Thread: Furnace housing raising mech rm temp?
by cem-bsee- Replies
- 3
- Views
- 278
open furn blower door turn off furn use heat...
open furn blower door
turn off furn
use heat off electronics--
probably, the heat off electronics will be controlling factor!!
better get HVAC pro to help!!!
how many BTU/H from... -
03-22-2009, 07:56 AM
Thread: Cooling house in non-cooling season?
by cem-bsee- Replies
- 24
- Views
- 830
how about a 'whole house fan' ? just don't use...
how about a 'whole house fan' ?
just don't use if outdoor RH% is high --
& screens over open windows --
ceiling fans
blower fan to 'on', a/c & heat= 'off'
open windows -
03-22-2009, 07:51 AM
Thread: HVAC in Crawlspace
by cem-bsee- Replies
- 15
- Views
- 721
insulate the cawl walls [not bottom 4"] provide...
insulate the cawl walls [not bottom 4"]
provide drain from crawl
consider a concrete pad for furn & space in front, sidewalk to door. -
03-15-2009, 09:15 AM
Thread: Can Lights In Return Air !!?????
by cem-bsee- Replies
- 18
- Views
- 1,058
NEC300-22(b) is applicable = ... devices shall be...
NEC300-22(b) is applicable = ... devices shall be permitted within such ducts ... only if necessarf for therir direct action upon, or sensing of, the contained air. ...
-
03-12-2009, 10:21 AM
Thread: Ductwork-Insulate or Not?
by cem-bsee- Replies
- 13
- Views
- 846
first, be sure the ductwork is sealed! -- mastic...
first, be sure the ductwork is sealed! -- mastic is the easiest.
second, insulate the ductwork
-- because this is not a 'conditioned' space.
-- -- unless you will be having it conditioned with a... -
03-10-2009, 08:50 AM
Thread: typical hi RH-winter, here
by cem-bsee- Replies
- 14
- Views
- 625
why look-up or calculate when I can just read my...
why look-up or calculate when I can just read my instrument?
I suspect that I did my first look-up in 1961 --
again, what is your 'take' on RH% needed ID for good health, even at 57F?
at 67F? -
03-09-2009, 09:47 AM
Thread: typical hi RH-winter, here
by cem-bsee- Replies
- 14
- Views
- 625
read about vapor barriers at BUILDINGSCIENCE.com...
read about vapor barriers at BUILDINGSCIENCE.com
so, I did not carefully note my dry bulb, I focused on the wet bulb & RH%.
nevertheless, every thing I have heard or read from the health... -
03-09-2009, 09:13 AM
Thread: New Home & Big Bills HELP!!!
by cem-bsee- Replies
- 37
- Views
- 1,748
trust YOUR senses -- look for holes, feel for...
trust YOUR senses --
look for holes,
feel for air flow! [ other than the wasteful return path]
Lots of windows?
storms?
attic insulation?
DD for the billing period?
compute therms/DD/sf. -
03-09-2009, 09:05 AM
- Replies
- 8
- Views
- 608
do YOU have abt $10million liability insurance?...
do YOU have abt $10million liability insurance?
if not, scrap it. -
03-09-2009, 08:59 AM
Thread: DegDa & bill
by cem-bsee- Replies
- 0
- Views
- 223
DegDa & bill
last week I found out why my DegreeDay calculation did not match that of the Huntsville Utility quantity stated on my billing=
Hsv Util does NOT match up the actual DD with the billing period. ... -
02-23-2009, 07:38 AM
Thread: Load Calcs
by cem-bsee- Replies
- 9
- Views
- 513
again, look at your numbers, then 'play' as...
again,
look at your numbers, then 'play'
as stated, R19 is even poor for walls!
spend $$ on the 'envelope' --
more attic insulation
storms
window film
shade over windows
etc. -
02-23-2009, 07:30 AM
Thread: typical hi RH-winter, here
by cem-bsee- Replies
- 14
- Views
- 625
typical hi RH-winter, here
at 6am, dry bulb= 23F, wet= 21F = ~95%RH
so,
sealing attics & crawlspaces prevents sucking in moist air;
probably best to forget vapor barrier --
this hi RH will typically be until 10am --
... -
02-15-2009, 05:20 PM
Thread: What size furnace for small house?
by cem-bsee- Replies
- 11
- Views
- 590
are you physically comfortable with now system? ...
are you physically comfortable with now system?
have you tracked your therms?
-- sans May's [cooking, etc]
spend $$ improving the 'envelope', then think new.
-- could well be smaller 4 euip!... -
02-15-2009, 02:09 AM
Thread: What size furnace for small house?
by cem-bsee- Replies
- 11
- Views
- 590
it should be sized just like a car for a small...
it should be sized just like a car for a small person --:D
-
02-15-2009, 02:02 AM
Thread: Surge protector
by cem-bsee- Replies
- 11
- Views
- 657
the other important part of the protection is to...
the other important part of the protection is to be sure the grounding system is good --
rod outside of the 'drip line' of the roof so it can be in damp soil,
the wire to it is well clamped.
not... -
02-14-2009, 04:14 AM
Thread: Surge protector
by cem-bsee- Replies
- 11
- Views
- 657
cheapest is to go to BestBuy & get some power...
cheapest is to go to BestBuy & get some power strips with the highest joule rating ~ $30.
I have used Panamax surge protectors for 20y.
I had one vaporized, yet it protected a computer & copier... -
02-13-2009, 02:38 AM
Thread: Insulation experts
by cem-bsee- Replies
- 9
- Views
- 597
doesn't the closed cell foam act as a vapor...
doesn't the closed cell foam act as a vapor barrier?
-
02-13-2009, 02:31 AM
- Replies
- 30
- Views
- 2,894
at the 4ft+ level, try 'hardware cloth' with...
at the 4ft+ level, try 'hardware cloth' with 0.125inch openings --
for the gutters: try the 5ft plastic covers with longitidutional ribs --
made in Canada
was sold by HomeDepot, ~ $1/ft
-- I... -
02-12-2009, 04:00 PM
Thread: Can anyone recommend an infrared heater
by cem-bsee- Replies
- 14
- Views
- 702
did you ever see the pictures of a 1000gal...
did you ever see the pictures of a 1000gal propane tank explosion= the aftermath?
such leveled 1 sq block+ in Pulsaki TN -- 20y/a.
how about the explosive properties of Hydrogen? -
02-12-2009, 03:54 PM
Thread: Infrared or Unitary heaters?
by cem-bsee- Replies
- 3
- Views
- 341
in industrial plants, I used mostly elec IR --...
in industrial plants, I used mostly elec IR
-- did have a couple of gas fired -
02-12-2009, 06:39 AM
Thread: Set backs the science?
by cem-bsee- Replies
- 8
- Views
- 454
heat flows from hot to cold; the greater the...
heat flows from hot to cold;
the greater the temperature difference, the more transfered.
so, get a 7day programmable thermostat, & play
let it bring up the temp, starting 1- 3 hr before normal... -
02-12-2009, 06:32 AM
Thread: Infrared or Unitary heaters?
by cem-bsee- Replies
- 3
- Views
- 341
I have used IR heaters in 'open' spaces such as...
I have used IR heaters in 'open' spaces such as above a warehouse desk --
unit heaters everywhere else.
in the open' spaces, people sense the heat from IR, but,
almost impossible to measure... -
02-12-2009, 06:23 AM
Thread: Can anyone recommend an infrared heater
by cem-bsee- Replies
- 14
- Views
- 702
sadly, -- circuit breakers have mechanical...
sadly,
-- circuit breakers have mechanical linkage which can corrode & not actuate to trip a breaker;
-- many breakers are repeately reset, & may not have the protection needed;
-- -- blown fuses... -
02-10-2009, 07:49 PM
Thread: Can anyone recommend an infrared heater
by cem-bsee- Replies
- 14
- Views
- 702
the $20 unit 500/1000 watt heaters from W-M have...
the $20 unit 500/1000 watt heaters from W-M have no exposed elements
-- have fan & tilt.
why spend 2- 4 times the $$ ?
my bdrm =13x12 -- one kept temp at 57-59 even when 14F for few hours.
[...
Results 1 to 25 of 500

