08:54AM | 01/20/03
Member Since: 01/19/03
3 lifetime posts
My home was completed in April 2001, and the air handler was installed in a closet in the garage. The closet's air space does not vent into the attic, garage, or inside living space which makes the air pretty warm and stagnant. Since I live in South Texas near the coast, the weather is typically hot and humid most of the year which causes condensation to build up on the outside of the air handler. The condensation was so bad, that the builder has had to replace the air handler, the platform, and some surrounding drywall.

Should I make the builder place the air handler in the attic? They placed a louver on the closet door (in the garage), but now I see a "not so nice" louvered door every time I drive into the garage.


02:02PM | 01/20/03
You can try to insulate any exposed duct from on top of the furnace and the coil box. Most air handlers are insulated within their own chasis. All you really need is approx. 1"- 1 1/2" of glass insulation. Try to insulate any duct you can get to that is not within the conditioned space, this will help with energy management as well.


01:41AM | 01/21/03
Member Since: 01/19/03
3 lifetime posts
Thank you; however, the ductwork coming directly out of the air handler (plenum?) and the handler are insulated. We have had 3 different A/C companies check the pressure and freon levels, and everything checks out fine. My 1 year home warranty that covers everything is up; however, this should be covered since I reported it before my warranty expired.


04:18PM | 01/21/03
Is it possible to insulate the closet? Have the contractor you called before checked the pan under the A-coil for mirco-cracks around the drain outlet? You said they checked the pressures of the refridgerant. Did they add any when they were there?


03:24AM | 01/22/03
Member Since: 01/19/03
3 lifetime posts
I guess the closet could be insulated. They have sealed the unit so much with a black tar-like gum that I doubt the drain or pan is leaking (I'll ask though). The condensation is all over the unit...even towards the top away from the drain. I'm pretty sure they have added refrigerant. When I talked to my local building inspectors, they had me ask if they overfilled the refrigerant. Four different A/C guys with 3 different companies have checked the levels and said that they are correct. They also increased the blower speed and the intake air filter is clean.

Here's my non-HVAC certified theory: the air passing through the handler is cold...the air around the unit is hot and humid. Kind of like a cup of ice-water on a hot condensates on the outside. But why is my air handler the only one that is doing this?


01:45PM | 01/22/03
Your "non HVAC" theory is exactly correct. This is not common if the unit is with-in a conditioned space. Even with insulation and the unit being in a garage, it is still possible to product condensation. If you can, check to confirm that the blower is on high speed. You can email me and I would like to give you more advice.


Post a reply as Anonymous

Photo must be in JPG, GIF or PNG format and less than 5MB.


type the code from the image


Post_new_button or Login_button

A simple banquette piled with pillows and lit from above with a wall sconce is a tempting spot to curl up with a favorite ... Built on a rocky island in the Drina River, near the town of Bajina Basta, Serbia, this wooden house was cobbled together ... Large steel-framed windows flood the interior of this remodeled Michigan barn with daylight. The owners hired Northworks A... Edging formed with upside-down wine bottles is a refreshing change. Cleverly and artistically involving recycled materials... A Washington State couple called on BC&J Architects to transform their 400-square-foot boathouse into a hub for family bea... Similar to the elevated utensil concept, hanging your pots and pans from a ceiling-mounted rack keeps them nearby and easy... For windows, doors, and mirrors that could use a little definition, the Naples Etched Glass Border adds a decorative flora... The thyme growing between these stepping stones adds a heady fragrance to strolls along this lush, low-maintenance garden ... Decoupage is an easy way to add any paper design to your switch plate, whether it is wallpaper, scrapbook paper, book page... Twine lanterns add pops of crafty—but sophisticated—flair to any outdoor setting. Wrap glue-soaked twine around a balloon ... When securely fastened to a tree or the ceiling of a porch, a pallet and some cushioning make the ideal place to lounge. V... Reluctant to throw away any of those unidentified keys in your junk drawer? Hang them from a few chains attached to a simp... A stripped-down model, sans screened porch, starts out at $79,000. Add the porch, a heated floor for the bath, and all the... Salvaged boards in varying widths and colors make up the dramatic accent wall in this attic space. The high-gloss white of... This garden shed has been decked out to the nines. Designer Orla Kiely created the intimate home for a flower trade show, ...
Newsletter_icon Google_plus Facebook Twitter Pinterest Youtube Rss_icon