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Posted by on August 24, 2007, 7:10 pm
> "kjpro "@ usenet.com wrote:
> >
> > > .p.jm@see_my_sig_for_address.com wrote:
> > > >
> > > > On Fri, 24 Aug 2007 12:41:03 -0700, taxenqs@yahoo.com wrote:
> > > >
> > > > >When a home air filter manufacturer recommends a filter change
every
> > > > >90 days, what duty cycle do they assume the filter wil be used?
> > > > >1 hour per day?
> > > > >10 hours per day?
> > > > >24 hours per day?
> > > > >
> > > > >I think they should list filter change recommendations in hours
(e.g.
> > > > >filter good for 300 hours of use).
> > > > >(Some thermostats like my LUX have filter-life counters that show
the
> > > > >number of hours the filter was used since it was last changed).
> > > >
> > > > How's about 'change it when it's fucking dirty' ?
> > > >
> > > > This will require FUCKING LOOKING AT IT once in a while, and
> > > > making a DECISION.
> > >
> > > Yes, looking at the filter periodically is a good idea. I've seen
cheap
> > > filters that failed and periodic inspection would catch that and limit
> > > the damage.
> > >
> > > Beyond that, there are a few air filter monitors available that
monitor
> > > airflow or pressure and indicate when a filter should be changed
similar
> > > to the indicators on most truck air filters these days.
> >
> > I think everybody should install a Dwyer Magnehelic.
> >
> > Then, they will not only know when it's time to change the filter, but
> > they'll know if they have a shitty duct system.
>
> Can you get a second mortgage for that Magnahelic?
Just clarify to the loan officer how much money will be saved in operational
cost. That should get your loan approved. :-)
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