Full Air Conditioner Replacement on A Mobile Home!
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- čas přidán 8. 07. 2022
- In this video I replace the air conditioner on a mobile home. The electric furnace was replaced 2 years ago. #hvac #hvaclife #hvactechnician #hvacguy #hvactech #fieldpiece #hvacinstall #hvacrepair #acinstallation
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I’ve watched quite a few of your videos I start my first day as an apprentice in 2 weeks I like how you brake stuff down from time to time I’ve learned a lot from just watching you work
I have a nice small torch with a rosebud tip on it. I t makes it much easier than those bigger hoses. I also bend the rod for the back sides of the tubing.
When I change coil and condenser in a mobile home I like to pull the blower ouy and clean it out. They have a tendency of collecting lot of dirt and hair most of the time are 50% clogged with hair and dirt.
Yes sir.
Nice swap out. I'm thinking you'll be buying smaller torch tips on your next trip to the supply house. Thxs for the vids!
Good install, Curtis. You're quick, efficient, and manage your time very well.
I subbed because you showed the whole condenser install.
Thanks 🙏
Curtis, more mobile home video please.
great video,
definitely a small torch tip is a must.
I understand and I hear you and I'm not putting you down but I've been using Rosebud for years whatever you feel comfortable with and Whatever Gets a Job Done Right but I just got so used to having a rosebud that way I don't have to change my tips but if you're not well versed in that I don't recommend it but yeah good point sir
@@colbraddock9913 let ask you a question, i have some rent houses, if i leave the central ac off ,is it ok does it lose ferrion by being off more or if it is running, or doesn't make any difference.
Nice video mate. Enjoy your Sunday!
Never heard someone use dry it in on hvac work,years ago i was a roofer when i put myself through hvac school,that was a line we always used after we tore off the old roof and put the new felt paper down
Another job well done.
I would still use wet paper or rags to protect the area even if I had your experience. That’s just me though you didn’t need it.
I like to put wet rags on the valves and drier. Seen people burn up rubber seals in valves.....
Outstanding!!!
Beautiful job man.
Nice job Curtis. When you were brazing inside and I heard the sirens in the background I was waiting to see the fire department 🚒🚒. Glad you didn’t need to crawl under that place 😳. Stay well
Spent mine finishing a 6 day job replacing a 1980 3T Pkg AC unit and ef on a dw mh with an Am Std 3T Pkg HP and new flex connectors. It rained most of the week with 85-95F Temps.
I still like a turbo torch when brazing
Hit your rod with the torch and bend it. Makes it easier to hit the back side.
Nice work
i usually swage the bottom piece on a joint so i can braze down instead of having to make it flow up.
Curtis I live in SanAntonio anc if you took your repair business down here you would be a millionaire by now. This year it’s like a blow torch down here.
Good swap on this one 👌
The soldering looks like a real art to accomplish.
I can braze and solder any day of the week, but I only weld on Tuesday. 🤣
All joking aside: Yes, brazing copper tubing and fittings is an art. An art that requires skill. A skill that requires practice, and perhaps a touch of talent. When it comes to sealed systems like HVACR, soft solder is seldom if ever used... that is reserved for water pipes and plumbers. Special alloys are used for refrigeration work. I like "Zero-Sil", which is a brand of copper brazing rod - an almost eutectic alloy/amalgam of copper, zinc, phosphorus, and other elements, but without any silver. It is easier to work with, as it is self-fluxing and has a working temp of only about 1350-1400 deg f. It's about one half to one third the cost of silver solder, too! :)
Took a lightning hit up this way a week or so ago took out some satellite equipment burned the wires off my well pump and killed both coils in my generator. Then we had a power outage that lasted the bigger part of the week. The lightning has meant business this year!
I got me a mobile home I tore out the gas furnace and installed package heat pump. Had to put in a return and supply and modified the rectangular metal duct. It lasted years.
Every time I see a new coil, it looks like a picture I took inside Engelbert Schmid’s shop in Germany, he made the French Horns me and several section mates played, so we visited his shop, and he had stacks of valve slides and copper/brass stuff lying all over, very organized of course, but it looks a lot like the ends of the coils..
Thanks for making this video. It was very entertaining. My best wish is that you can make enough money of this video to buy some gloves every week. I have a recently acquired doublewide that needs that.
Southwest Missouri here, really like your videos. I can rest easier now knowing you actually have a claw hammer LOL
a nice clean job.
Ga power offers a surge suppressor for your meter to protect your house against surges, and it comes with a warranty to protect your appliances and etc.
Nice job. One thing I've never understood about the south, is why most of the air handlers are attic installations. We have a few installed in the attics in the midwest. Most are installed in a utility room or closet. Seems like it would be more efficient not to have the evap coil in 150 degree heat all day. I feel bad for you guys every time I see you go up in an attic. Keep up the good work Curtis.
Builders don't care how efficient or difficult it is to get to the HVAC for service. Homeowners don't want to give up their precious square footage or have the noise in their utility room/closet.
@@rv10flyer84 true. I’ve seen some of these southern guys work on the air handler’s in the attic that were facing the wrong way. If they had to change a blower they would be screwed. Or basically the homeowner would be screwed because they have to pay for it or go without air conditioning
It's quieter in the attic.
just rip out the old one in the laundry area and install a contained outside unit.
Tell that guy that's coughing in the background to go smoke another cigarette.
What a beautiful trailer….
Should have a full photo spread in Better Homes and Gardens.
Great job on this one Curtis! I watch all your current videos and now I’m starting to work my way back into the archives. I just took a 2 ton Straight AC out of my mobile home because the A coil was junk. The guy put it back in three years ago when I got the new furnace. The fins were so bad on it. I couldn’t get air to the back bedroom. Ha!
I was wondering how many ton that a -coil was? I’m thinking about putting in an inverter heat pump split system, and they’re telling me to size the coil for heating. I’m up in northern Wisconsin, so I was going to go about 4 ton and I’m told that the inverter will ramp down and still dehumidifier OK for the AC. HVAC direct recommended a 4 ton coil without a TXV. I think that would be a big mistake, so I thought I would ask the expert.
Have a great day, sir! And keep doing what you’re doing. 👍👍
What I mean is it is a mistake to use no TXV. Correct?
Try StayBrite #8 next time
That looks like a Grand aire unit with a mortex mobile home coil.Ive put in a bunch of those last year, they are decent units for the money but like everyone else and alot of other brands we are seeing some delays with warranty and replacement parts
Didn't you get some of the StayBrite 8? Thought I saw that in one of your other videos. You should really try it. It's so much easier then brazing and you don't need to flow nitrogen or have that heavy brazing set up.
Nice Work! May ask what to total cost of the replacement cost from start to finish?
I see many new units have single blade fans now. Less air flow?
Never seen an A coil setting on top of an air handler, hope there was a pan and drain somewhere, never worked on mobile homes much
This video made braising look harder than I thought it was. Impressive.
So you sell Rheem/Ruud as your main line and secondly Grand Aire?
I normally sell Ruud. But, wanted to buy coil and condenser from the same place, and my Ruud dealer doesn’t sell those coils. Besides ICP is a solid product
@@HVACGUY Haven’t worked with the equipment yet but from what I’ve seen those brands hold up better than some.
Braising isn’t too tough, just fill the pot with enough water to barely cover the food and keep it covered at a low simmer. Brazing on the other hand is a whole different ball game..
9:12 it‘s not the tip, it‘s your mixture setting… and btw. why didn‘t you use wetrag?
Cool gel is the best.,
I used cool gel. That tip will frequently starts to burn inside the tip, becoming extremely hot. It’s dangerous to me, but the only hook I’ve got.
May ask what the whole job cost when completed? Nice job!!
Now see whoever installed that handler cabinet was smart by the opening so someone could actually put a regular air filter in their. Before my current system I did the exact same thing to mine about 5 years ago my HVAC company wouldn't even touch me anymore after that cuz I modified the cabinet.
4:31 - What are you squirting on your joints before brazing? I've never seen that done before.
What's your setup for recording videos? Love your work by the way.
I just use a GoPro
bro I like watching your videos for a different perspective but dang who taught you how to braze or where did you learn?
You should braze with a neutral flame not with an oxidizing one…
Again thanks for the video and another perspective from a fellow technician. 👍🏼👍🏼
So does the customer get a better price on this change out when you just replace the evaporator coil and outdoor unit?
I am looking for a video on removing an air handler and A coil from a DW mobile home.
Do you have one, or know of one?
Is there a Mortex coil that will work with a 16 seer condenser?
Has a tool for everything.
Is that evap coil in just a space surrounded by wood or something? I also never seen a setup like that. I didnt see insulation like I normally would, what happens with condensation in that space? Does any form on the walls in there?
that's a downflow furnace, pulling air down through the coil and pushing it through ducts under the floor/out floor vents. that void space you're seeing is the cold air return box/plenum space and the filter grille.
The real problem with any downflow is water pulloff getting into electrical compartment below. These mh installs usually have poor sealing and air filtration.
Nitrogen helps with keeping down some oxidation but not all.
mobile homes always take 2 to 4x the time to do anything and often have non-standard parts and building practices. go to change a supply line? there often 1/2" outlet shutoff valves or worst yet all "polybutylene" on older models, even seen cpvc/pex/copper ran straight to faucets with solid glued/crimped/sweat adapters, so you have to cut pipe to replace them.
👍👍👍
Curtis, what is the name brand of tester you use. The swivel head isn’t common. I thought that it was interesting. Also, there is a flame retardant piece of fabric specifically to keep from catching things on fire. I think I bought it at Home Depot. I caught the inside of my bathroom on fire. Luckily I was able to put it. Just saying. But, great install though…
That’s a fieldpiece SC680.
@@HVACGUY thanks! I think people would be interested about your opinion on tools. I’m just looking at a bunch of tools you use and don’t know what they are called? Thanks for the info and keep the content coming. I find you info real & informative.
What size unit do I need for a 16x80 mobile home
Don't they normally do package units in mobile homes?
Welding gloves?
23:14; what brand of unit was that, and why did it have a sticker saying installation prohibited in the Southwest?
The seer rating...lower seer numbers can be sold in northern regions but not southern...
ICP, and I would guess because of SEER rating, or because it’s not a heat pump.
2 fan blades its most likely a low seer or ton rating.
Why do you pump nitrogen in the lines while you braze them?
I’ll have to ask the guys when they come back to do the start up, but, when they installed the Mitsubishi I understand it comes with a charge, but the line sets are open, so..how are the lines cleared of moisture without losing the charge on the main unit?
When we put it a vacuum on a system, it is to get rid of moisture air and anything else that is going to take up space in the lines that isn't freon.
@@dustinpomeroy8817 I learned since then, they just have a valve to keep those lines isolated until the vacuum gets pulled on them, removing the air and moisture..it’s really fascinating the whole science of refrigeration..! I’ve since used my Mitsubishi mini splits to heat, then cool, then and now back and forth ( 80 one day, snowing the next..) and currently it’s turned off, but the cassette in my bedroom sounds like it’s turning on the condensate pump for about 4 seconds randomly..I’m wondering if there’s a bunch of tubing raised up that is causing the water to flow back down into the unit, the pump comes on, it feels clear, it shuts off, then the water falls back down, that’s the only thing I can think of.. I’m super impressed with how incredibly quiet both the indoor and outdoor units are, and how efficiently it runs when you select Auto for the fan settings..
27:05 those cables are going to rub out on metal over time! Better fix that one!
I noticed you didn't install a p-trap with that pull through coil. All of the pull through mobile home coils I install come with a flexible hose and instructions say to form a p-trap with hose so the coil drains properly. On all the service calls I've ever had where installers didn't install p-trap the coil didn't drain properly and over flows right down on motor, heat strips, sequencers and everything else. I hope it drains well for you.
You don’t need a trap if your coil is positive pressure. It will drain fine. But with the new install he should replace the line set
@@jonrichardson3604 this evaporator coil in the video is not on the positive pressure side. There will be issues with it draining.
There actually quite a bit to this trade. Its crazy to me though how most dont do the ducts righr? Lol out of all things. Never prepped right, connected right. Should be prepped with right tapes aniunt of tapes, mastic. Spray adhesive for the tape. Ouside liner of duct curled in with insulatuon around the inside. Connect the inside the right amount. Glue tape. Outside same and then you are done. Its actually govt. Code. Its not made up lol
👍
Curious as to why the customer didn't invest in a heat pump to cut down heating costs? They're not much more money on the wholesale side.
I aint ever seen anybody use a drill as a hammer.
👍🏻
12:05...hammer drill. I've heard of them things.
Curtis u ok ?? From that burn from when the torch did that
I’m fine. Left a little black spot on my finger
@@HVACGUY I'm glad we use air acetlyne in school we have to catch up on brazing we had a torch accident were it caught on fire
Curtis, at what point do you think it is more economical to replace a system vs repairing parts? 10, 15, 20 years?
Well, I guess that would depend on what part that is. But, anymore any major repair on an older R-22 unit…she’s likely toast. That was just about 14 years ago.
@@HVACGUY I got a 410A system that is about 13 years old. First generation Carrier Infineon series. Had the TXV and a capacitor changed out in 2021. So far the repairs have held up.
@@Chris2745100 usually compressor goes bad or evap leaks they suggest replacement. I think evaps only die from rust on the brackets that cut into the copper fittings.
You put the drain in the secondary position. The sticker that says remove plug is just a rubber plug held in by that sticker. It will leak water!!!
I seen that also. I’ve installed hundreds of these and always pop the plug out
@@cameronkneece3446 same. I do hundreds of mobile homes every year.
I thought it was considerate of you to just swap out the condenser and coil instead of installing a whole new air handler. Not sure of the age of that old system but I think most cos would have only quoted a full change out. That had to have saved them some $ ?
If you replace everything in a mobile home it's best to stay with an electric furnace and do a heat pump coil and condenser because most airhandlers don't fit very well in the unit hole
Better bring a carpenter with you if you wanna change out the air handler on a mobile home... pack a couple of lunches too.
Just curious why you never use a wet rag or some other heat shield to avoid damaging the corrosion resistant coating on the driers? Some driers have fiberglass filter pads which are even more heat sensitive. Risky business. All drier manufacturers instructions state to wrap drier with a wet rag to protect drier coatings and internal materials. The service valves should be protected when brazing too. Thanks for sharing.
He sprayed heat block spray before brazing if you watched
@@richardbaugh8845 he sprayed the service valves, NOT the filter drier.
DO YOU NOT USE FLUX AND WILL ANY TYPE SOILDER WORK
NO AND NO.
I’ve never seen a mobile home setup like that? I’m guessing it’s cooling only
Electric Heat
What's the nitrogen do?
Prevents oxidation on the inside of the pipe.
I know brands don't really matter but just out of curiosity what ICP brand is the new condenser?
Grande Aire
Cost?
wow coil in closet not like full air handler
should have pulled that furnace out and thrown it in the river hate those things
Should throw the whole trailer in the river.
Lol Sheesh! The back of that mobile home is like 15 ft in the air
you should see some of them in West Virginia and other mountain areas/States. one end/side on the ground, the other on 30 foot tall stilts or worse.
Condensate trap?
When you go straight down, I don't think you need one
You don't need a condensate trap if there's no blower. If you have a blower you always need a condensate trap, no exceptions - it's hard to beat the laws of physics.
Do you work for your self?
Yes
Heard some covid at 12:30
you need more skills for brazing but keep it going, also a lot of heat on that valves,,also try to get a HARRIS TORCH
👍👍👍👍👍👍👍👍👍👍👍👍👍👍🚛
Man, that hot torch tip makes me cringe, back off the o2 and acetylene a bit. I know you are a pro but it would make nervous.
88 thumbs up
That condenser is so cheap. It only has two blades.
What is the labor charge for what you did? I'm probably going to lose my unit this year.