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1answer
41 views

Why does AC unit need condensation drain trap?

I am modifying the drain pipe that drains my inside AC unit. When I purchased the home, there was an electric drain pump tied to the unit. Upon investigating why the unit needed one I found a pipe in ...
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0answers
24 views

Leacky AC Evaporator

We just moved into our new place. So many new things need to learn. Just like the problematic AC. My apologizes if I do not know the correct terminology for some of the parts. I will try my best ...
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1answer
31 views

Are my outside HVAC units and condensation drain PVC pipes set up correctly?

I'm a newbie with this stuff, but here's my situation: I have two HVAC units in my home. One sits on top of the patio and one sits on the ground. Both of them are draining condensation from the PVC ...
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2answers
39 views

Is this a condensation problem or. A roof leak problem?

Noticed a water spot on my unused bathroom ceiling. Crawled into the attic And found this is right below the sewer vent. In my kitchen there is another similar stain right around another drain ...
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1answer
585 views

A/C Air Handler Leaking Water Everywhere

I have a relatively old air handler that has worked fine for many years. Just recently, it started leaking water everywhere, and it seems to be seeping from inside the base of the air handler itself ...
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0answers
17 views

Solution for A/C Condensate Drain Line when it is not possible to drain it elsewhere? [duplicate]

I have a split A/C system in a room that runs on low 24 hours a day during Summer that unfortunately cannot be connected to any drain or pipe and which therefore requires a bucket to be used to ...
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1answer
135 views

Is some condensation on bathroom walls safe?

I have an exhaust fan in my master bathroom and also a wall heater. I like to run the heater without the fan running during my shower so that the room is nice and warm when towel drying off. I then ...
2
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2answers
69 views

Emerson Liebert Air Conditioner Fan Runs Abnormal

We have 2 Emerson Liebert air conditioners inside a datacenter. Issue is not a home issue but devices are all same and I supposed finding some expert here. Here is the thing: This 2 devices are ...
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2answers
67 views

How do I fix my humidity problem in my home?

I have an older home. Last year I didn't have this problem but this winter, to save money I keep my temperature a lot lower. I'm seeing a lot of condensation on the windows and now on my livingroom ...
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3answers
476 views

How to white spray paint bath window for privacy?

What are tips to paint on privacy for bathroom windows? White spray paint sounds easy, but would make it harder to clean the window, would it not? Pros: Privacy with natural light. Window shades ...
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1answer
63 views

How should I stop condensation on my roof that's leaking into my home?

Condensation in my attic causes frost which melts on warm days and leaks through my ceilings. I plan to add more insulation this spring. I have installed a bathroom ceiling fan to help with moisture. ...
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0answers
38 views

How can I prevent my condensation tubing from freezing outside?

I apologize if I missed the answer for this. My plastic condensation drain tube froze outside and the water in my condesation pump could not drain correctly. I hardly touched the tube and it snapped ...
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0answers
61 views

What could cause moisture on my bonus room floor?

Last week during a cold snap with high winds. I discovered moisture along the floor on one side of my bonus room, above the attached garage. Their was enough moisture that the baseboard molding ...
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1answer
136 views

Condensation at roof, down outside of furnace/water heater vent. What is happening?

I am getting condensation dripping down the outside face of my furnace vent at the roof. I think I know why this is happening I'm just curious how to remedy it. There is a cast iron exhaust pipe that ...
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3answers
183 views

What could be causing condensation on attic pipes?

My son just bought a new house in Calvary, Alberta. The last few nights have been approximately -30 °C (-22 °F). When he was cleaning his second floor guest bathroom, he noticed a stain on ...
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2answers
213 views

Can I insulate my exterior walls myself using blow-in?

I live in western Washington, where we see plenty of rain, but only a month or two of freezing temperatures each year. My exterior walls are drywall with horizontal wood siding. I feel crazy as I ...
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1answer
192 views

Paint drying time around doors and windows that have condensation

I am currently redecorating the hallway and stairs and at the front door and landing window we get quite a heavy amount of condensation build up around them. When painting I have noticed that the ...
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1answer
314 views

Condensation running down pipe connecting furnace thru ceiling to chimney

I had a new downflow 80% efficient furnace installed in 2006. I don't use it regularly as I normally heat my home with my woodstove (separate chimney). But I have used this new furnace many times ...
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1answer
2k views

Air handler condensation draining problem

For the life of me, I cannot figure this out. My air handler and heat pump were installed in 2006 and work great. For the first summer since I've owned the home, condensation started to not drain ...
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1answer
60 views

Should I add an escape register for added ventilation in A/C duct to reduce condensation?

I have a condensation and drippage problem where my 8" exposed circular AC duct comes out of the ceiling. Above the ceiling is the attic, meaning it gets pretty hot. The pipe comes out of the ceiling ...
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3answers
114 views

What kind of damp do we have?

We have a damp problem in a 1920s semi-detached house we moved into 8 weeks ago. We are not sure if it's a condensation problem, or penetration from the outside, or even rising damp on the ground ...
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2answers
416 views

Should I reroute my condensate line to prevent freezing?

During the recent cold snap in the NorthEast we had the drain line from our condenser pump (High Effeciency Furnace) freeze (Just the last inch or so which plugged it) and that meant lots of water ...
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0answers
260 views

What thickness Styrofoam should be used to insulate a toilet tank?

So, based on my question here, I like the idea of insulating the inside of the toilet using Styrofoam because it seems more interesting/fun than installing a mixing valve. I plan to use silicone caulk ...
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3answers
7k views

How can I eliminate condensation on my toilet tank?

My toilet is getting a great deal of condensation on the tank and dripping onto the floor. What can be done to address condensation on the exterior of a toilet tank?
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3answers
393 views

What makes water condense on the interior of the windows at night when it's cold? [duplicate]

While staying with some relatives, I noticed that all their windows experience terrible interior condensation at night and am wondering about what they can do to prevent it. The house is kept to 70 ...
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3answers
313 views

How do I prevent condensation on my balcony windows?

On the street, temperatures at night are about -5 °С and about 8 °C during the day. In the apartment it is about 25 °C. So, there is condensation on the windows and I don't want to wipe ...
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2answers
1k views

Do Silent Condensate Pumps for Air Conditioners exist?

I need to install a Condensate Pump in a new A/C in a bedroom, and there is no choice but to pump the condensate up to a drain on the roof. The A/C technicians have told me about different types of ...
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1answer
827 views

Should I insulate the exterior foundation wall above grade or insulate the interior basement wall?

An existing basement wall is not insulated on either side. Humidity inside is causing significant sweating on the cold wall in the winter months. Outside, the top 4 feet of wall are exposed above the ...
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1answer
1k views

Why am I having an attic ventilation problem this year when I didn't last year?

This winter in the attic I noticed ice on the roofing nails. Obviously warm moist air condensed and then froze on the cold nails. When the weather broke and warmed up a bit, I was back up in the attic ...
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3answers
4k views

How can I fix a small slightly damp area in my basement wall?

I am in the process of converting a bedroom in our walkout basement, into an office. Back in 1999, the previous owner had finished the basement. The basement foundation walls are hollow cinder ...
3
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1answer
71 views

Can remodeling work around a window cause moisture / condensation problems?

I had flashing repair work done around one of three windows in my bedroom last summer. When it started getting cold, I noticed moisture / condensation on one of my windows. I thought it would go away ...
2
votes
1answer
937 views

What is causing my front door to sweat?

The front door of my house (which is rarely ever used) sweats so badly during the winter. At first I thought it was just the glass, but after a closer look it appears that the rescued areas are also ...
1
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1answer
130 views

Why am I getting condensation on vapour barrier?

I installed some vapour barriers on the windows recently due to it getting a bit cold, but have been noticing that I've been getting a fair bit of condensation on the inside facing part of the ...
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9answers
28k views

How can I prevent my HVAC condensate drain line from freezing?

Last night, my heat (forced air) suddenly stopped. Today, a plumber figured out that my heater is 90% efficient, produces lots of condensate, and the drain line had frozen. We went outside and saw ...
3
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1answer
331 views

Could sound insulation around copper pipes cause condensation?

A leak in the bathroom, above the kitchen, started as a small water stain on the ceiling. I opened the ceiling and determined insulation (2 insulation pieces), that was placed to absorb the sewer ...
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5answers
4k views

What to do with a cold corner?

I live in an apartment on the 4th floor. My bedroom has the misfortune of being in the very corner of the building - it has two outer walls. On top of that, the corner between these two walls is ...
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1answer
4k views

How can I prevent water from collecting near the blower fan blades of a portable air conditioner?

I have a GE portable Air Conditioner (APH10AA). It's about 10 years old (I guess; we got it used). It works good (blows cold air), but in the last year or two it's regularly been getting water ...
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4answers
4k views

Could insulation around copper pipes cause condensation problems?

Should you insulate hot water pipe (copper) located in an attic? I live in Louisiana, where it rarely gets cold. The plumbers insulated the hot water pipe from the tankless water heater. Now ...
2
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1answer
171 views

I think I may have fixed my boiler but how could this have helped?

I am an unbelievably "low confidence" DIYer, having only ever rented properties, which limits the stuff you're supposed to do, for liability reasons. However, we had a boiler issue where it was ...
2
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0answers
483 views

How to avoid water build-up in bathroom's passive ventilation shaft?

Our apartment building is 23 years old, and the bathroom has passive ventilation: basically there's a hole in the wall just under the ceiling, where warm moist air slowly escapes. It usually has a ...
2
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1answer
952 views

Why am I getting condensation on the first floor joists of my new build?

We're building a new house in New Hampshire. We insulated the 1st floor joists with batting last winter so the minimal amount of heat we had in the basement to prevent the foundation from cracking ...
2
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1answer
3k views

Why does my bathroom exhaust fan drip during the summer?

I've seen a lot of questions (including one on this site) about condensation on bathroom vents. However, they all seem to take place in winter, with consensus being that as the warm air from the ...
6
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3answers
10k views

AC Coolant pipe has condensation and leaks inside wall

I've got an old AC unit (probably 13+ years old) that came with the house that I bought. This summer I noticed some water damage on the drywall in the basement, so I cut the damaged drywall away, and ...
3
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2answers
1k views

Corrosion on copper pipes due to insulation (with foam)

My incoming water pipe is copper and it is a brand new installation with no leaks. But due to the hot humid weather (even in the basement) it sweats due to condensation. Should I insulate it? The ...