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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
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
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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
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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
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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
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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
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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
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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
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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
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0 votes
1 answer
131 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
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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
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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
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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
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721 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
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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
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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
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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
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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
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32 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 ...
John nicholson's user avatar
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464 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 ...
user127812's user avatar
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430 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 ...
Lou's user avatar
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901 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 ...
MiniMe's user avatar
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2k 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 ...
David's user avatar
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-2 votes
2 answers
122 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/...
Omar Wagih's user avatar