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Posted by udarrell on August 28, 2006, 2:19 pm
JimL wrote:
>On 22 Jul 2006 21:15:43 -0700, zirconx9@yahoo.com wrote:
>
>
>
>>Stormin Mormon wrote:
>>
>>
>>>Cleaned outdoor coils... how? Hope he used chemicals and a water hose.
>>>
>>>
>>With a garden hose.
>>
>>
>>
>>>Twenty degrees is a good temp drop over the evaporator. But is the fan
>>>in the furnace at top speed?
>>>
>>>
>>I'm not sure. I'd probably have to open up the unit and see what wires
>>
>>
>>from the motor are hooked up. Its pretty noisy when the system kicks
>
>
>>on, I'm pretty sure its on the highest speed.
>>
>>
>>
>>>What's the humidity like, there? High humidity takes a lot of power to
>>>dry the air.
>>>
>>>
>>Its been very humid lately.
>>
>>
>>
>>>The one time I saw this kind of problem, the folks were smokers. It
>>>was a 90 degree humid day, and every time they would step out to
>>>smoke, they would hold the door open for several seconds. And let the
>>>heat and humidity in.
>>>
>>>
>>No smokers here. And the doors have not been opened much in the last
>>few days.
>>
>>I went over a talked with my neighbor today, and his house was 79 when
>>mine was 75. He said thats just about all they do around here, and
>>that these open floor plan houses run pretty warm.
>>
>>
>>
>>>Try opening ALL the vents, and see if that helps. Makes me wonder if
>>>you've restricted the air flow.
>>>
>>>Also wondering if there is enough return air ducting?
>>>
>>>
>>Return ducting could be an issue, I don't see a whole lot of it. We
>>sleep with the bedroom door open, and when I open that door I can feel
>>a ton of air flowing out of the cracked door. - I just went and looked
>>and only found two returns on the upper levels of the house. One in
>>the hallway between all the bedrooms and main bath, and one in the
>>living room. Cheap construction I guess. My last home had returns in
>>just about every room.
>>
>>
>Almost None of the 500 homes in my neighborhood have room returns.
>Only those that were added by a few homeowners after the fact.
>
> The main 20x25 return is in the common area next to the furnace and
>all the interior doors have a large gap at the bottom for return air.
>
> But my doors are seldom closed anyway so no big deal to me and in 22
>years, I have no complaints about no returns.
>
>
>
Bottom link provides some info concerning duct systems. - udarrell
--
Air Conditioning's Affordable Path to the "Human Comfort Zone Goal"
http://www.udarrell.com/udarrell-air-conditioning.html
http://www.udarrell.com/proper_cfm_btuh_duct_sizing_air_conditioning_systems.html
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