Condensation on cold air intake


No, this should not be happening & anything rusting out your system anywhere is a significant problem. Mine was installed, right, 6-years ago & I don't have any such thing. It could simply be colder outdoor air flooding that pipe or the space that the pipe runs in due to the exterior not being sealed shut to the outdoors. You may notice a cold section of floor above this pipe's area.

My other problem with your picture is that the pipe was dramatically enlarged & is not the smaller diameter which connects to the rusted gray collar. This should not be & is not helping matters nor is it allowing the system to run optimally & may very well be a violation of the Manufacturer's installation instructions.

Call or Email the Builder & put in a Warranty Claim. If the Builder doesn't respond immediately or timely. Then definitely, get an HVAC guy or firm out to inspect your system as well as this singular item's situation & correct whatever needs correcting. Then, ship a copy of...

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To better understand you, please clarify.

1. Where


is the ice located? Example: coupling at interior duct to outside termination.

2. Is the interior duct metal with installer added insulation or an insulated flex-duct?

3. Is the exterior termination completely foamed around? Example: coupling and neck.


That may very well be the case, in a sense. If it is flex-duct, you may have a hole some where in the outer wrap or the wrap is not completely sealed at each end. Both ends of the duct should be foamed. Otherwise, condensation can occur between the insulation and the inner duct or at the coupling interface.

If it is metal duct, insulated or not, replace it with high R-value flex-duct.

What is the dew point of the basement environment? Basically, the basement environment is coming in to contact with un-insulated fresh air components and causing condensation.

Since the damper is...

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I hate to contribute to the monotony of "Will I have condensation issues?", so I have read around a little, but I didn't find anything similar to my plan (maybe i didn't look hard enough).

Air will come in from ductwork located at a window (as with normal builds of this nature). But, instead of bring a tube to my computer, I am simply going to build an insulated box and put my entire computer inside + holes for cables.

I plan on having all of this set up when the temperature outside gets more normal.
We have been unseasonably warm. My area has had 20-40 degree days! But, things are getting colder finally. It was about 5*F out today. (Usually it is -10 to -30.)

So, simply put...would I have any problem with condensation? I assume not, but I want to be sure.

Also, I feel that the "Cooling Experiments" section really should have a condensation...

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I live in a cold northern clime and my house is 8 months old. I am developing condensation on and in the fresh air intake leading to the cold air return. The intake duct is about 8' long. It is developing to the point that it drips. I am attempting to remodel the basement and needd to eliminate problem. There are baffles in the 6" pipe that serves as the intake, but they dont seem to work. Short of closing the intake altogether or moving it to an unfinished part of the basement, are there any solutions? (Note: removing the insulation from the intake pipe just serve to transfer the condensation problem from the cold air return to the intake duct next to the outer wall.) Your return air ducts/grilles may be undersized. Should have that looked at first. (too much flow thru fresh air, & maybe too big) Does your fresh air intake have any kind of rain hood or inlet baffle on it to prevent rain and / or moisture from entering the duct from outside? ...
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A cold air intake is a system used to bring down the temperature of the air going into a car for the purpose of increasing the power of the internal-combustion engine. A secondary goal is to increase the appeal of a car by changing the appearance of a car's engine bay and creating an attractive intake noise. These aftermarket parts come in many different colors and many different sizes, and are an inexpensive way to increase performance.

Aftermarket company, K&N Engineering first offered air intake systems in the late 1980s. Those intakes consisted of rotationally-molded plastic intake tubes and a conical, cotton gauze air filter. In the late 1990s a proliferation of intake manufacturers such as AEM, Airaid and Volant entered the fray. In addition, oversea manufacturers imported their designs lending to the popularity of Japan domestic market (JDM) air intakes in sport compact markets. K&N and many of the other intake companies now offer intake systems in metal tube designs,...

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Oct. 9, 2017 2:49 PM ET

TAMPA, Fla. (AP) — For nearly half her life, Ruby Williams has prayed for her daughter, Brenda: "Lord, let her be alive."

Chris O'Meara

In this Aug. 23, 2017 photo, Ruby Williams, from left, holds a photo of her daughter Brenda, as she sits with her other daughters Sharon Scott and Sheila Williams in Tampa, Fla. After decades of waiting to know what happened to their relative, Tampa Police officials told the family that they found a DNA match in a jawbone found in 1986. Brenda Williams, a young mother of two, went missing in 1978. (AP Photo/Chris O'Meara)

In this Aug. 23, 2017 photo, Ruby Williams, from left, holds a photo of her daughter Brenda, as she sits with her other daughters Sharon Scott and Sheila Williams in Tampa, Fla. After decades of waiting to know what happened to their relative, Tampa Police officials told the family that they found a DNA match in a jawbone found in 1986. Brenda Williams, a...

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God, you don't know how many fights I've had with my husband about this. I'm glad to hear we're not the only ones. His car seems particularly prone to condensation on the windshield, and for some reason is particularly bad at getting rid of it.

Here are my thoughts on the matter. (He'll tell you I'm crazy.)

Condensation is caused when the temperature of the windshield is below the dewpoint of the air. Dewpoint is determined by how humid it is: how much water vapor is in the air. (Side point that becomes important later: Warmer air can hold more water vapor.)

Therefore, to get rid of condensation, you should raise the temperature of the windshield by blowing hot air on it.

EXCEPT that if you have a cool windshield, and start blowing warm, moist air from the defogger/defroster (such as you'll get if it's a rainy day) onto the windshield, it will hit the windshield and moisture will condense, and you're worse off than when you started.


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I am not a professional mechanic, just an avid DIYer. The price of gas makes these type of DIY projects for vehicles well worth the time and money. For the record, I have never done this before. I'm just following the instructions that came with the kit. I hope this video inspires you to tackle a similar upgrade for your own car or truck. Installing a cold air intake system can improve your MPGs and horsepower, by improving the quality and temperature of the airflow that let's your engine combust fuel most efficiently. Volant claims an improvement of 4 MPG over OEM equipment. Watch the end of the video to see my real world results (HINT: Volant's claims are pretty good!). My '05 Ram 1500 is one happy...

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Condensation is caused when air at maximum humidity makes contact with a cold surface. A perfect example of this is when a cool canned drink is taken out of a fridge. Droplets of water form on the outside. The air passing over the can is unable to hold on to the moisture. The moisture is deposited as droplets on the cool surface of the can. This combination of humidity and temperature is called the dew point. The temperature at which the dew point occurs is dependent on the water content of the air, not on the humidity, as the relative humidity (RH) is only a measure of the ability of air to hold water. Dew point is always at 100% RH. In conditions of high water content, condensation will occur on any surface which is cold relative to the surrounding air. These surfaces such as external walls, are usually ones where heat is being conducted through them which makes them cold. Condensation or dew point can be avoided if there are no cold surfaces available for it to happen on. This...

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BLOCKED SOFFIT INTAKE VENTS - CONTENTS: effects, problems, cures. What causes attic condensation, mold, or dark stains on roof plywood? How to inspect for working attic venting at soffits. How to check for true soffit intake vents versus faux soffit venting. How to detect roof venting deficiencies, attic insulation defects, and attic condensation problems POST a QUESTION or READ FAQs about attic moisture, condensation & ventilation: what are the effects of blocked soffit intake venting at roofs? REFERENCES

InspectAPedia tolerates no conflicts of interest. We have no relationship with advertisers, products, or services discussed at this website.

Blocked or inadequate roof ventilation air intake openings at soffits or eaves:

This article explains the effects on buildings caused by locked soffit intake vents and we explain how blocked soffit venting causes or contributes to attic condensation, moisture, and potential mold contamination problems in buildings. We also...

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Oil in air inlet duct

GM has issued a service bulletin to address a problem with oil in air intake duct, along with a check engine light, poor acceleration, and throttle body freezing. The bulletin applies to the following vehicles equipped with the 3.6L engine:

Example of oil in air intake duct.

2008-11 Buick Enclave

2007-11 Chevrolet Malibu

2009-11 Chevrolet Traverse

2007-11 GMC Acadia

2007-10 Pontiac G6

2007-09 Saturn AURA

2007-10 Saturn OUTLOOK

GM states that the problem occurs after a cold start up or when driving in cold temperatures. If you scan the PCM, you may find any of the following trouble codes

P0101,P0171, P0172, P0174, P0175, P1516, P2177, P2178, P2179, P2180, P2187, P2188, P2189 and/or P2190 along with either ice or oil deposits in the air inlet duct.

Ice formation is caused by condensation freezing at the base of the throttle body with

additional collection of ice formation...

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This website is designed for people:

I have been working as an HVAC installer and later as a mechanical engineer for 34 years and discovered that there no manuals and/or books for this type of work. But I created seven of them that I believe are very good and useful for anyone who wants to learn HVAC installation. was created in August 2006. Since then it has become massive and the most reliable source of information!

Currently it has:

One hundred and two main menu and parent pages
One hundred and fifty paid and download pages, many of which also have additional information Seven helpful books On the, you can find answers to many ductwork, furnace/air handler and related questions, such as noise reduction and elimination, energy conservation, furnace replacement and so on. has 7673 pictures, 69 pdf files, 386...

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VAPOR CONDENSATION & BUILDING SHEATHING - CONTENTS: Vapor barriers and condensation in buildings - solving tricky vapor barrier location questions. How various building wall sheathing materials affect building condensation and moisture. Solar Age Magazine Articles on Renewable Energy, Energy Savings, Construction Practices POST a QUESTION or READ FAQs about the need for & role of vapor barriers beneath building wall siding REFERENCES

InspectAPedia tolerates no conflicts of interest. We have no relationship with advertisers, products, or services discussed at this website.

Vapor barrier & building condensation problem solutions:

This article discusses how to solve difficult vapor barrier location & indoor condensation problems. In a series of questions and answers about vapor barrier location problems we explain when and why condensation occurs inside buildings, explains the problems caused by excessive indoor condensation.

We discuss how moisture enters...

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Posted by : Ecohome | Mike Reynolds

Homes built in the last 40 years in Canada are relatively airtight. Before that we generally relied on leaky uninsulated walls to provide fresh air and prevent mold and mildew, and they did that very well.

Cost and comfort had us adding insulation, but not necessarily sealing our walls. The folly of this was quickly realized, and vapour barriers became a part of the building envelope shortly thereafter.

Vapour barriers stopped the flow of moist air through walls, this of course led to a buildup of moisture in homes, and condensation on windows was common place. This led to a build up of mold and mildew in homes. Modern day airtight homes need mechanical assistance to stop moisture damage and protect indoor air quality.

There are still those that profess that walls need to breath and that 'houses are too airtight', but this myth is completely false and very damaging to your home. Walls need to be able to dry, ideally...

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Air Bricks are special bricks that are manufactured with holes in them to allow the circulation of air under the floor of buildings with a suspended timber floor. The act of circulating air ensures that cold or damp air is not allowed to sit in any voids or empty space as if it is then this is a sure way that timbers and other materials will be damaged and in most cases by the time you realise it's too late and substantial cost and hassle is the only way to then get it sorted.

If you are experiencing damp issues that you think may be attributed to ventilation or lack or it and would like some additional help and advice you can call Property Repair Systems free of charge on 01626 336180.

What is an Air Brick

Traditionally air bricks were made of clay, but latest models are made of plastic, which are less easily broken, and can also allow a greater airflow than the old clay versions.

Air bricks are sometimes known as vent bricks, and some properties have...

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Trouble Shooting
Black smoke is coming from my exhaust
This is an indication that too much gas is being burned. Your air/fuel mixture is too rich. You may have a clogged air filter. If the air filter is not clogged there may be a problem with a sensor controlling the vehicles fuel injection system. If your vehicle has a carburetor then the choke plate may be stuck. Another possibility is a vacuum leak.

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White smoke is coming from my exhaust
When a cold engine is started, any condensation that has formed in the exhaust will be burned off. This is normal and nothing to worry about. On the other hand if you see white smoke coming out of the exhaust at all engine temperatures then this is an indication of a blown head gasket or possibly a crack in the head, intake or cylinder. Basically what is happening is coolant is leaking into the cylinder and being burned off as steam.

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Blue smoke is coming...
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