12
votes
Why is my air conditioner causing rapid high CO2 levels?
One possibility is that you have:
a very well sealed home
a heat recovery ventilator (HRV)
the HRV is only on when the system is configured for heating and not when it is configured for cooling
In ...
10
votes
How much air under tile is acceptable?
How much air under the tile is acceptable? Virtually none.
Tile installers use notched trowels for a very specific reason: To allow the mortar to make consistent, supportive and bonding contact with ...
- 129k
8
votes
How much air under tile is acceptable?
The Tile Council of North America (TCNA) publishes a handbook for designers. It's purpose is to provide bathroom designs and quality tolerances so that a designer can create construction documents ...
- 5,284
6
votes
Are there any reasons to not remove air vents through an exterior bedroom wall?
If the vents are, as you say holes with a plastic grill on both ends, they are for air circulation from room to room, or what is sometimes called a "jump vent" that allows air to be ...
- 25.1k
6
votes
Why is my air conditioner causing rapid high CO2 levels?
Since the AC only recirculate the air inside the home, the possible source could be outside. Neighbors barbecuing ? burning dry grass or wood, sewage tanks, increased car trafic... and many other ...
- 16.9k
4
votes
Accepted
Do I need an adapter to connect this sprayer to my pneumatic compressor?
The top one is a hose barb. You slip a hose with a hose clamp onto it and tighten the clamp.
The bottom one is a female half quick connect/push-in connect. You need the matching male half.
There are ...
- 22.8k
3
votes
Does a bedroom without ventilation violate code?
You don't need a "vent" to provide room heating, and I've never heard of a building code that required one. If you have any electrical outlets in the room, a small electrical heater will ...
- 2,538
3
votes
Master bedroom is unbearably hot and stuffy - what do I do?
Have you checked all your supply and return registers to make sure they are open? Are all your dampers open? What about adjusting registers in the cool rooms to allow more cool air upstairs?
There are ...
- 78.7k
3
votes
New 1500 watt (rated) dust extractor power consumption. Bad unit?
There's two things going on here.
First: most anything cheap-ish with a motor lies about the ratings. It's entirely possible that things won't melt at 1500 watts but it actually draws less than that ...
- 9,207
2
votes
Do I need an adapter to connect this sprayer to my pneumatic compressor?
You need both the male and female fittings to be matched. The best bet is to buy them in a set. Male and female set is here
Some stores have a color coded tape on the fittings. Buy a male and ...
- 25.1k
2
votes
Why is my air conditioner causing rapid high CO2 levels?
Most common source of CO2 at home is usually breathing. In our well isolated flat just 2 persons breathing reach those CO2 levels in 4 hours (no burning, all electric appliances, no ventilation or air-...
- 121
2
votes
How to bleed central heating in a bungalow with pipework going into the loft?
You can usually get the air down into the radiators. Once there, it will rise to the top of each radiator, and get trapped where you can bleed it.
To assist the process, you can (a) turn the pump up ...
- 278
2
votes
How to bleed central heating in a bungalow with pipework going into the loft?
Without bleed valves any higher than the radiators themselves, you can't. While the system is being changed, it's best to fit one, or two bleed valve in the loft, at the pipework's highest point. ...
- 5,198
2
votes
How to bleed central heating in a bungalow with pipework going into the loft?
You can force air out of a system even without bleeders at the upper location.
Bleeders are good for small amounts of air.
The general way to get bulk air out of a system is to leave the pressure into ...
- 13.5k
2
votes
Accepted
How to bleed central heating in a bungalow with pipework going into the loft?
Bleed at the highest point.
If there are no bleed valves at that point then fit them, which if you are planning the other changes should not be an issue.
- 26.3k
2
votes
Accepted
Is this configuration OK for an air admittance valve?
The placement of the AAV is ok, but the drain set up is bad.
There appears to be a tilt to the right of the tub, which will make water sit there.
The "T" needs to be turned 90 deg. and ...
- 25.1k
1
vote
Accepted
How to get rid of noise in the water tap
Looking at the water flow, there's no bubbles in it, even though the faucet appears to have an aerator. If you remove the aerator, does the whistle stop? I suspect the aerator is clogged or defective. ...
- 311
1
vote
How to get rid of noise in the water tap
Sounds like it could be mineral build up in the faucet or water pipes that's restricting the flow of water causing vibrations and the whistling noise first try changing or examining the filter that's ...
- 21
1
vote
Master bedroom is unbearably hot and stuffy - what do I do?
First, have the HVAC system checked out make sure ducts are not blocked, clogged with dust, and the like. But most likely this is not the core problem.
Let me ask you a few questions about weather. ...
1
vote
Need help connecting C wire please model GSX16S481AA
Your thermostat cable has a yellow wire connected to the C terminal of the system. It also has a blue wire (normally used for C) not connected to the system.
I emphasize cable because we don't know ...
- 34.3k
1
vote
my air handler closet is heating up the room behind it in the summer when AC runs the most
Unless the terminology is wrong,
there should be no heat been sucked from the attic into your home.
Usually the fans in attic is there to exaust the attic heat to the outside, not in to you home.
If ...
- 16.9k
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