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I have a customer who's dog(lab) keeps urinating in the return. The return is in the floor in the hallway. Does anyone have ideas on how to stop the dog from peeing in the return, he does not pee...

Thanks for the help. Im on ACCA website and I started the spreadsheet. I have Manual J version 8. I need some help with the spreadsheet. It says for me to open MJ8 and go to table 10A and eneter...

I need some help doing some load calculations. Trying to get my state license in GA and they say I have to do three load calculations by hand on a Manual J Long Form. Anyone have any ideas or...

Does anyone do much duct cleaning? How do you charge for it?

I applied for class 2 license and was denied due to lack of experience. You have to have 5 years in it. I have 4. I asked them to review my application for class 1, they sent me a letter asking me...

Im applying for my state license in GA and I have to submit 3 examples of my heat gain/loss calculations on a Manual J Long Form, cannot be computer generated. What is a Manual J Long Form???

Does anyone know where I can get a Manual J Long Form?

Head gets to about 150 and suction is on its way up when it cuts out. It doesn't really have time to give an accurate guage reading.

Having a problem with an American Standard unit. The compressor will run maybe 10-20 seconds and cut out. The amp draw when the compressor is running starts at about 7 and watching my amp probe,...

Having a problem with an American Standard unit. The compressor will run maybe 10-20 seconds and cut out. The amp draw when the compressor is running starts at about 7 and watching my amp probe,...

Have a bout 50 4 ton Marvair Heat Pump package units that need to be changed out. Wondering if anyone knows who still makes such.

Wanting everyones opinion on a small nissan truck for a service truck. All the truck would be used for is service calls. Would a 4 cylinder truck be ok. I have a full size truck but it doesnt get...

How do you loose efficiency of ac with dirty filter?

If your filter is dirty it would make your blower motor pull less amperage. If your filter is dirty your pressures will be lower, will it...

What shoud your superheat be on normal residential R-22 systems?

Problem is freezer is set on 0 degrees but it never reaches it? Any ideas why it wont?

What is the proper super heat on a freezer and a cooler? I have two R-22 coolers, one R-502 freezer, and three 134 A freezers. Thanks, Brian

I have a walk-in freezer that the suction line stays iced all the way back to the compressor year round. Need some help. I've got some pressures and temps that I will post below so maybe someone...

Is anyone on here going to attend the RSES Convention in Atlanta this fall?

Does anyone know of any 1 week schools, or 2-3 day schools on Boilers, Chillers, Pumps, or really anything in HVAC.

Does anyone know of any 1 week schools, or 2-3 day schools on Boilers, Chillers, Pumps, or really anything in HVAC.

When the 2" PVC comes outside the wall or through the roof on the vent pipe. Do you have to put some kind of cap on it. Seems you wouldn't want anything being able to go back down it. Or do you...

One time had this call to an older ladies house. I was warned before I went that they called her the Angel Lady. Said she could see angels standing all around. Get there and she greets me at the...

Used a Kane 250.

I know how to hook a gas furnace up. I've worked on a many of one. Just never put in a 90% furnace. Not a big demand for them where im from. I have no problem installing it. Only question I had...

Havn't got the unit yet buddies so I havn't read the installation manual. Live in the south. Don't ever put in Gas furnaces either. This one farther up north. Im use to Heat Pumps. I change a...