Questions tagged [air]
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36
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24 views
How to replace an outdated wall mounted air gap
I'm currently working on adding a ceramic tile backsplash to our wall behind the kitchen sink. One of the items mounted on the wall is this old air gap. Ideally the face plate and air gap cover would ...
0
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3answers
76 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....
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1answer
29 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 ...
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0answers
34 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 ...
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3answers
93 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 ...
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2answers
63 views
AC blower unit stops working intermittent
hoping someone with more knowledge then I, can guide me on this. Recently my central AC's blower unit stops working intermittent after its been on for a few days with no issues. When it stops working, ...
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2answers
65 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 ...
0
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1answer
44 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/...
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1answer
98 views
How to pump gases? (not compress them, nor create vacuum, just pump) [closed]
I have a container that is not hermetically sealed. It is filled with a certain gas/vapor: gaseous water (steam). I want to pump the gas/vapor outside, to the atmosphere. I have 2 questions:
1- What ...
0
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1answer
57 views
How do i reduce and split hvac duct from 8" round into two rooms
Hi i have small minisplit with 350 cf/m i attached a plenum with 8 inch ridgit round duct attached to it now i need to run it into a bulkhead where one register goes into a small room aprox 12x12 ...
3
votes
2answers
476 views
Can I vent portable air conditioner into the garage?
I have a bonus space that is attached to the garage that we use as a home gym. I want to be able to run a portable air condition when working out. It will only run 2-3 hours a day and probably only ...
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2answers
117 views
is it legal to have the air intake (for heater and ac) coming from outside in CA?
Our apt. building has the heater and ac air intake outside (collecting air from our driveway) in stead of coming from inside. is this legal?
2
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2answers
89 views
Would an electric furnace prevent outside air from coming inside my house?
I have an old oil furnace that is vented to a chimney flue, with a damper.
I live in Maryland in a county where burning yard waste is legal. This can cause me to have an asthma attack when my furnace ...
1
vote
1answer
139 views
Why would a polarized plug not fit into a polarized extension cord?
I purchased a somewhat expensive name brand Beautyrest air mattress. Its electronic pump is at the foot of the bed, and its electrical cord is shorter than the length of the bed, making an extension ...
asked Feb 19 at 15:41
RockPaperLz- Mask it or Casket
1,3483 gold badges18 silver badges41 bronze badges
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19 views
Geo thermal air conditioning by natural air circulation
I live in the Caribbean and during the hottest evenings the temperature is around 86 degrees. We use conventional air con in the bedroom set at 80 degrees. The air temperature in the ceiling is much ...
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1answer
88 views
5 hp air compressor wiring
5 hp 80 gal 208/230 volt air compressor, amps 18.6-17.5, LR amps -95, KW- 2.98
Located 80-100 feet from panel--looking for wire size and breaker size thanks John
on 230V circuit
hp listed on tank ...
0
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1answer
55 views
Repurpose old compressor
I recently came across someone who was throwing away an old craftsman air-tank and compressor. They claimed the compressor did now work anymore as it would never build pressure.
I had an old ...
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29 views
Air handler fan relay keeps shorting out after using heat
Comfortmaker - FEM4X3000BL
I’ve had two fan relays go bad in the past month, each time after using heat. (This is in Florida, we only turn the heat on a few times a year.) Wiring diagram attached. Any ...
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1answer
25 views
Looking for a 14"x20" high quality furnace filter [closed]
With increasing dust, I'm looking for a good quality furnace air filter. This lead my search to the following:
Honeywell 14 x 20 x 1 Elite Allergen (FPR 10)
Filtrete MPR 2800 (MERV 14)
My issue is ...
-1
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1answer
45 views
Basketball doesn't get pumped [closed]
I have a new basketball, I have owned it just several months.
When trying to inflate it with the pump, it feels like it gets inflated and deflated at the same time, so I either end up with less ...
-3
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1answer
83 views
Air compressor first use - plug needs to be replaced? [closed]
I was wondering if anyone could help me with this problem.
My brother bought an air compressor recently and found this note. What does that mean, which plug should we replace? This yellow one with two ...
1
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1answer
58 views
Can I use two layers of window film to create a narrow, convection-reducing gap?
This is a follow-up to this question. The official answerer A.I. Breveleri writes:
The ideal separation distance between film and glass is 1/2 inch. Even
1 inch is too thick as it allows the trapped ...
2
votes
2answers
92 views
When it's smokey out, why does more smoke get into the house in the mornings and evenings?
We've had thick smoke outside our home for several days now due to the fires on the west coast. We're doing what we can to filter the inside air and keep excess outside air from coming in (covered ...
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80 views
Is it a good idea to blow hot air through drywall?
I have a small room with no windows and I want to cool it down. A friend of mine suggested me to get a portable AC, create a hole in the wall (drywall) and put the exhaust hose through the wall. This ...
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2answers
105 views
How to Fix Central AC Bringing in Outside Air - Smokey outside
We are located in San Francisco Bay area. There's a huge fire almost every year. We recently moved to a house where central AC brings in smokey outside air. We have 2 young children and I'm worried ...
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1answer
53 views
redirecting some air from outdoor A/C compressor into the attic to cool it down
I can't find any info on this question, and this might be a stupid idea... but anyway:
The temperature in the attic is ca. 130F, 3pm, outside temperature 90F. ( Florida, 17y/o house ) Can I direct/...
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1answer
34 views
Air Flow using Vacuum and High Air Pressure Air
I am investigating container homes. Something about the modularity appeals to me.
Regardless, I am thinking about one of the challenges that they face is to get adequate air flow without cutting ...
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1answer
88 views
Creating positive pressure to keep secondhand smoke from seeping into a studio apartment
I just moved into a 325sf senior apartment and now live in a gas chamber. The second-hand smoke from the upstairs neighbors seeps into the apartment 16 hours a day through gaps around the shoddily ...
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142 views
Should I move an HVAC vent to the ceiling or on the opposite interior wall?
The below picture shows the current position of the vent (the white area over the sink). The blue patch above the toilet is a small window.
The plan is to relocate the bath tub and position it along ...
1
vote
2answers
46 views
Is it correct for air to flow into home from under an addition?
I have seen multiple houses sitting on concrete basements or slabs where additions were added on to the house in the 1970s-80s and air flows directly from under the addition to inside the house. The ...
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154 views
My DA250C porter cable nailer wont fire suddenly. It just releases a bit of air?
Porter Cable DA250C 15 gage finish nail nearly new just stopped firing? Just releases a bit of air.
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1k views
Help reroute cold air return
I am working on opening up space between my lobby (on the right side of the wall) and the dining room area (on the left side of the wall).
The section of the wall that is used as cold air return ducts ...
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2answers
102 views
How would you cover this vent?
I'm moving into a new home and one of biggest pet peeves I have is this vent in the living room. Any ideas for how to cover it?
Do they have invisible frames that I could use instead?
Any ideas/...
7
votes
2answers
305 views
Is Complete Ductwork Required to Start the Condensor?
I'm in the middle of rebuilding my entire AC system. I've got one 14" return and two 8" supplies hooked up to the blower (on a 2 ton system). I plan to add much more, but for now I want to ...
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1answer
53 views
Should I replace whole system or just leaky component? [closed]
The HVAC guy who screwed me (edit: i do believe he tried to find a leak the first visit, but the second visit he didn't seem to be bothered) on a refrigerant refill (see my other posts) is ...
1
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1answer
687 views
Evaporator Coil Cold, but Not Ice Cold
My temperature difference between my supplies and returns is only around 5 degrees F. I opened up my air handler to see if the evaporator coil was dirty, and it was clean -- but running the outside ...