Skip to main content

Questions tagged [air]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
0 answers
48 views

The technician installed a new AC split without a vacuum pump

The technician installed a new AC split without a vacuum pump. (Gree 24000 BTU Inverter) Should we drain the refrigerant, do vacuum, and refill the refrigerant? It is written in the AC manual that we ...
Hadi's user avatar
  • 1
0 votes
0 answers
21 views

Vanity over an air register

Our existing vanity had a deep kick plate to allow for the air register, now we have a new floor laid and I've even shortened toe register from 12 inches to 10 inches but almost any vanity I can find (...
Jeff_Home_Improve's user avatar
0 votes
0 answers
30 views

Woodburning stove ENCORE Model 1450 - where is the air intake?

I have pretty old woodburning stove ENCORE Non-Catalytic Model 1450(by Vermont Castings). It suddenly (a week ago) stopped burning wood well, it looks like it does not get enough air in. Its air ...
Mark's user avatar
  • 1,325
0 votes
0 answers
35 views

Make-up air in basement

I got my rec room and bathroom final inspection for my basement and the inspector said I need make-up air (and a couple other things). The previous inspector for rough-in apparently didn't do his job ...
Joe Phillips's user avatar
  • 2,266
0 votes
1 answer
23 views

Window Guard Problems [closed]

I have an extension cord inside my house that is feeding outside via a window. I currently just have a towel blocking the air that’s coming in. Any recommendations for a more commercial, more ...
user183296's user avatar
1 vote
1 answer
60 views

Two Zone Boiler System. One calls for heat, both zone return lines get hot

I have a newly replaced two zone boiler system and am having issues. One zone is the basement only, the other zone is first and second floor. I have basement zone at 70 and it functions as expected. ...
Mike O'Keefe's user avatar
0 votes
0 answers
61 views

Can I increase CFM by combining two ducts into one?

From the plenum can I connect two 6" takeoffs into a single 8" with a Wye, then run 20 feet of 8" flex, then split again into two 6" via a Wye and go to to two separate rooms? Does ...
user182436's user avatar
1 vote
1 answer
59 views

Would an automatic bleeder resolve condo heat problems?

Please bear with me as I am trying to help a senior citizen with no heat for over a week in NJ. She lives in an old (built 1966) multiple unit apartment condo where each unit is individually owned. ...
Mon Cia's user avatar
  • 15
0 votes
1 answer
39 views

Baseboard heater - bleeder valve and?

A plumber installed the following - see picture. I have no plumbing knowledge, but I believe the bigger piece (on the left) is an air "bleeding" valve but what is that red pull valve on the ...
Mon Cia's user avatar
  • 15
1 vote
1 answer
233 views

Do I have damper on my wood stove?

I have a wood-burning stove, and I use it once or twice a year. When using using it I only use a knob (pull or push) which control the air intake. I have noticed that when I use the stove I smell ...
sammy's user avatar
  • 117
1 vote
0 answers
46 views

Air Changes Per Hour to Filter Smoke

My neighbor has an old wood-burning stove, which he recently started burning a couple of weeks ago. With the way our houses are positioned, the smoke is blowing towards my house and seeping in. It's ...
LandonSchropp's user avatar
0 votes
1 answer
250 views

Does a bedroom without ventilation violate code?

I have a bedroom that has no heat/air vent. The room is approximately 120 square feet. Is this a code violation (I live in Utah) and how necessary is it for me to have at least one vent?
Don B.'s user avatar
  • 1
0 votes
0 answers
13 views

AC blower after changing capacitor

My ac blower was not turning on last night. I changed the capacitor and the blower turned on. The ac ran fine for maybe a couple hours and the blower is not running again.
Robert's user avatar
  • 1
8 votes
2 answers
1k views

How much air under tile is acceptable?

We hired a contractor to do redo our tile. One had to be replaced because it caved inward when a tool was dropped on it. We peeked under the adjacent tiles and there are giant areas without mortar. ...
kliqqer's user avatar
  • 81
0 votes
1 answer
132 views

Connecting Amana Furnace Pressure Switch

Hello fellow DIY'ers, I had to turn on the heating for the first time this season, our Amana gas furnace didn't stay lit for more than ~7 seconds. I did some research online, ended up cleaning the ...
Lukas D's user avatar
  • 51
1 vote
2 answers
120 views

How to get rid of noise in the water tap

When I turn my plumbing tap on , it gives some whistle sound and I always get the sound , every single time. Please find AV clip here. None of the water taps give this whistle sound , how can I get ...
King's user avatar
  • 117
1 vote
2 answers
135 views

Is this configuration OK for an air admittance valve?

Is this configuration OK for an air admittance valve with the valve on the opposite (right) side of the drain pipe? The sink drains just as fast with or without the air admittance valve though it ...
user171896's user avatar
0 votes
0 answers
51 views

AC Heatpump fails after cooling for few hours

I live in the lower Ohio area. I have a heatpump, Airtemp brand air conditioning system that's only 6 years old, on days that are in the mid to high 80s (or hotter) the system will run until about 2:...
greg cbc's user avatar
4 votes
2 answers
2k views

Are there any reasons to not remove air vents through an exterior bedroom wall?

[August update] Just wanted to add that all my windows have "micro-ventilation" - either by design or simply because they are old and have gaps. So essentially, there is always some air ...
Tom R's user avatar
  • 153
0 votes
0 answers
159 views

Need Help with 8x12 Register Vent in Primary Bedroom

Our primary bedroom currently has the worst cooling performance of all our rooms. It's farthest from the system and also gets the most sunlight. Our vent in this room is 8 x 12, and also sits on the ...
hailthemitten's user avatar
0 votes
3 answers
2k views

Master bedroom is unbearably hot and stuffy - what do I do?

My master bedroom leaves me SO STUFFY every morning. I wake up feeling like I have a cold. The room sits at the top of the stairs on the second floor, directly across from the foyer. There is a large ...
Stuffy's user avatar
  • 1
0 votes
0 answers
39 views

Indoor air conditioning unit makes whirring sound on startup

I have a cooling only air conditioning unit that makes a whirring sound for a few minutes and then the sound stops. It never made it before. The air conditioning unit is a Lennox brand from the 70s. ...
Jumper89's user avatar
1 vote
2 answers
51 views

Need help connecting C wire please model GSX16S481AA

I had this unit put in about 3 years ago and have had so many issues with thermostats. Can someone help me identify where to place the c wire? It is available behind thermostat but not plugged in. ...
Raymond Rivas's user avatar
0 votes
2 answers
63 views

Do I need an adapter to connect this sprayer to my pneumatic compressor?

I don’t know what these connectors are called but when I connect my compressor to the spray head via the male connector it doesn’t seem like a solid connection and leaks air. Is there something else I ...
devshorts's user avatar
  • 115
0 votes
0 answers
723 views

Is it ok to connect air conditioner from one room to another using duct and exhaust fan

I have two rooms both has the area of 100 sq.ft and together 200 sq.ft. According to AC tonnage calculation , 1.5 TON AC is enough upto 90 to 250 sq.ft area. Sine I have 1.5 Ton AC , I'm thinking to ...
King's user avatar
  • 117
2 votes
4 answers
637 views

How to bleed central heating in a bungalow with pipework going into the loft?

I am planning to change the radiator in the bathroom for a heated towel rail, but before I do, I want to be sure of the air bleeding procedure as I am only used to central heating in 2 storey homes. ...
Chris Rogers's user avatar
0 votes
1 answer
358 views

my air handler closet is heating up the room behind it in the summer when AC runs the most

My air handler closet gets hot in the summer. Likely because that’s when it runs the most or because it vents to attic and attic heat is coming in. Problem is that it heats up the room behind it. ...
Lisa Ormes's user avatar
10 votes
7 answers
8k views

Why is my air conditioner causing rapid high CO2 levels?

I am wondering if anyone knows why when I turn my recently installed high-efficiency air conditioner on, CO2 levels rocket up in my house? (In just 4 hours they go from around 500ppm to 1200ppm, and ...
Adam Lopez's user avatar
0 votes
1 answer
98 views

New 1500 watt (rated) dust extractor power consumption. Bad unit?

I asked this in the electronic section and been recommended to take it here instead. I've come to this site to ask some advice. I recently bought a 2 HP (1500 watt) workshop cyclone dust extractor, ...
Joseph Griffiths's user avatar
0 votes
0 answers
184 views

Attic air sealing new construction

What is the best practice for attic air sealing when it's new construction? In my jurisdiction I have to get my insulation HERS (California's new Home Energy Rating System) inspected before I can ...
5000fingers's user avatar
1 vote
2 answers
210 views

Circuit breaker tripping when heat kicks off [closed]

Why is my 70 amp circuit breaker trip periodically when my furnace blower motor kicks off?
Kermit's user avatar
  • 11
2 votes
1 answer
1k views

What is the opening on the back of wood stove?

I have a woodstove in the living area, and I am not entirely sure what the opening on the back of the wood stove is. The woodstove has a name on the glass: Regency. My fear is that this is where air ...
sammy's user avatar
  • 117
2 votes
0 answers
110 views

Crawl Space Encapsulation: How to deal with the "Chamber of Secrets?"

I have a south Louisiana home built in the 1950's with a vented crawl space. In the 70's, a den was added with a slab on grade foundation. In this addition, the back porch was converted into a ...
dwest_netdev's user avatar
0 votes
0 answers
86 views

My daughter room barely gets airflow. After looking in vent with camera the vent comes to a small point. Why would this be made like this?

Little airflow through vent. Can only get camera to a point and looks like a small hole. Is this normal for a vent, why would the vent be made this way.
Mary's user avatar
  • 1
1 vote
1 answer
404 views

How can I insulate a window that's tight against the rough opening?

I had new vinyl triple pane windows installed several years ago. Long story short, the contractor placed the new windows directly on top of the 2x4 (home built in 1951) leaving very little to no space ...
Rhonda's user avatar
  • 11
1 vote
1 answer
150 views

Can I add an extension to an air intake for apartment central A/C? Is this a health or code violation?

The apartment I am living in has a nasty odor coming from underneath the furnace/ac and water heater. The air for the furnace is sucked up from this underneath section making all of the air that is ...
LakesResident1870's user avatar
1 vote
0 answers
271 views

Noisy non-return valve - does this heating schematic make sense?

I am in the UK. I have an existing closed (pressurized) heating system with a boiler downstairs and the rest of the works + hot water tank in the cupboard upstairs. Problem: when lots of radiators are ...
ADEpt's user avatar
  • 113
0 votes
1 answer
753 views

Do wall ac/heater units bring in fresh air?

I live in an apartment with a combined wall AC/heater unit, like the type that you often find in hotels. Does this bring in fresh air when operating, or does it just recirculate the air inside the ...
kloddant's user avatar
  • 101
-2 votes
1 answer
137 views

Why do compress air cans always seem to avoid mentioning their main use? [closed]

In the last couple of years, I've finally started buying cans of compressed air to blow out the dust from inside my computer, instead of using my lungs as I have done in all the years past. It feels ...
Obaloluwa G.'s user avatar
0 votes
0 answers
2k views

Whirlpool Dishwasher leaks from the air vent

My Whirlpool Dishwasher WDF520PADM7 (2019) has the a passive style air vent on the upper left corner of the door (passive means there is no solenoid or fan). Water leaks from air vent assembly through ...
joshfromtexas's user avatar
0 votes
4 answers
145 views

Is DIYing a replacement of Electric Furnace and Air conditioner worth it?

My Air conditioner does not produce cold air, however heater part in Furnace works just fine. Air conditoner Unit is at least 20 years old and have no coolent left in the system. I am looking to ...
NIT_GUP's user avatar
  • 121
0 votes
3 answers
205 views

Is there a difference between combining two fans in parallel and buying one with twice as much CFM?

I want to build something like an "air purifier". I'm considering a box where I have a big filter and I send the air from one side to the other. I want to maximize the air flow through the ...
nck's user avatar
  • 101
0 votes
1 answer
286 views

Preventing air conditioner from running when temp is below 65 degrees outside

Could l wire a thermostat outside and and set is to 68 degrees and use it as a switch to prevent the air conditioner condenser from running when below 68 degrees. And use in-line with the yellow wire.
Patrick Blanchard's user avatar
0 votes
3 answers
104 views

Split air con : getting outside air inside

I have a split air con Samsung SH09APG. It's a typical air con machine, with an inside and outside unit. I was thinking it would be really useful if it allowed the outside air to come inside the house....
DevShark's user avatar
  • 569
0 votes
1 answer
232 views

Dust buildup and vent airflow - Should my vents be completely open?

The room that I am in is particularly dusty compared to all the other rooms since I'm in it most of the time and it's very small with lots of stuff inside. I do my best to dust every surface but it ...
ShangWang's user avatar
  • 109
0 votes
0 answers
37 views

Outdoor Ac unit causes home cinema to hum

The design of my new home placed the outdoor ac unit of my ducted system right outside my home theatre. I love my new house but this is really bothering me as it makes the home theatre feel like an ...
Robbo's user avatar
  • 1
2 votes
3 answers
380 views

Purchasing parts for my HVAC as a retail user

My Trane air handler recently stopped working and after the couple of visits arranged by the home warranty service company failed to resolve the issue, I managed to identify the control board parts ...
Raj's user avatar
  • 21
0 votes
3 answers
8k views

AC blower unit stops working intermittent

Recently my central AC's blower unit stops working intermittently after its been on for a few days with no issues. When it stops working, I will wait a few hours and then turn on the thermostat to AC ...
Da P.A's user avatar
  • 167
0 votes
2 answers
3k views

Is there a window or portable AC system I can use with an hopper window without removing window?

I'm trying to see if it's possible to install a portable AC with hose in this dorm room hopper window without removing the window (See picture attached). I can't seem to find anything online nor a kit ...
Chanman24's user avatar
0 votes
1 answer
276 views

What size duct for make-up air?

I have an industrial exhaust fan venting heat from the top of a stairwell. It is a CentriMaster ModelPRN PRN110 with specification sheet here: http://www.acmefan.com/InformationFiles/ModelInformation/...
mankoff's user avatar
  • 504