Feb 28th, 2008 6:56 am
Mar 3rd, 2008 1:59 pm
Mar 6th, 2008 12:27 pm
Apr 1st, 2008 8:14 am
Apr 1st, 2008 1:22 pm
CheapoFillipo wrote: ↑Apr 1st, 2008 8:14 amduct cleaning... does it do anything??
... my parents bungalow hasn't had it's ducts cleaned in the 45 years they have lived there but the wife is pushing hard to get our (7 year old) ducts cleaned. I am starting to buckle because we just seem to have SOOO much dust
We are using a filtrete MPR500 filter so I know I can get a better one there... will that make a difference?
The next step is an air cleaner/purifier... any advice anyone?
I hate asking someone who installs air cleaners or sells duct cleaning because their answer tends to be skewed towards making the sale
ps. great thread... bririp thanks for all the expertise without pushing for sales if I knew anyone in Markham, I would suggest you
Apr 1st, 2008 1:23 pm
bionicbadger wrote: ↑Mar 6th, 2008 12:27 pmI have a question. My furnace motor just started making a loud humming/buzzing noise for a second or 2 before it starts. My UPS has made a similar sound before, I'm guessing its something to do with the electric motor. Is there something I check/do to get rid of this noise?
Apr 1st, 2008 1:25 pm
b233314 wrote: ↑Feb 15th, 2008 11:49 amHi Brian,
In my powder room, I got a contractor to install an exhaust fan which obviously exhuasts directly outdoors. The problem I am finding is that on cold days, the room is absolutely freezing and being that the duct is directly below the washroom upstairs and susequently below the bath tub, the tub is freezing too! Is my only option tearing down the ceiling and insulating the duct?
thanks ahead of time.
Apr 1st, 2008 4:13 pm
Perhaps the reason us HVAC guys don't know much about HRV/ERV energy savings is because it's a moot point. HRV/ERVs are VENTILATORS with a primary objective of exchanging inside/outside air, not saving energy. The 2010 Ontario Building Code is suppose to make ventilators mandatory, so we'll all be much more familiar with them very soon. Refreshing inside air is huge benefit to the occupants and any energy consumption/savings is minimal, and when compared to the benefits, insignificant.Bullseye wrote: ↑Jan 31st, 2008 8:18 pmAn ERV and an HRV both use exchanger baffles to preheat incoming fresh air with outgoing stale air, not sure why you think it's only an ERV that does that.
The only energy savings with either is the reduced load on your A/C if you have an ERV, as it removes some moisture before feeding the air into the system. An HRV will save no energy, and in fact lose some because the heat exchange system is not 100% efficient.
No offense to you, but I've found this to be a very common problem with HVAC guys, with regards to HRV/ERV's. Nine out of ten of them that I speak to don't actually know anything about them other than passing knowledge. I don't blame the HVAC guys for not knowing, as these are still not common products, so they haven't had a chance to learn yet.
Apr 1st, 2008 5:11 pm
Apr 1st, 2008 9:25 pm
Apr 1st, 2008 10:26 pm
jroc wrote: ↑Apr 1st, 2008 9:25 pmhi,
I inherited a 5 yr old mid-efficiency boiler when I moved to my house. When the boiler was on during the winter, there was water collecting at the bottom of my chimney liner and running back into the boiler. My home inspector said it was a common problem, and told me the only thing is to take the damper off, thus reducing efficiency. This worked except on some very cold days. He said the problem is that the chimney liner gets cold and then when the warm exhaust hits the liner it causes condensation. Is there anything else I can do ?
Apr 2nd, 2008 9:43 pm
Apr 3rd, 2008 5:56 am
Apr 4th, 2008 2:28 pm
Apr 4th, 2008 4:08 pm