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re: Can any of you AC guys explain the upcoming changes with Freon to propane?
Posted on 10/4/24 at 11:04 am to Bourre
Posted on 10/4/24 at 11:04 am to Bourre
I have a 40 year old Trane air conditioner in the house I recently moved into. It makes a loud noise but it is cold enough to had meat in there. I bet that thing is not compatible with the new coolant. Even more expense. This old house is turning into a money pit. 
0
Posted on 10/4/24 at 11:05 am to Dixie2023
quote:
I read it isn’t as cool as the Freon.
Incorrect...it's quite efficient.
quote:
And I’d rather not have coolant that can explode in my home.
It won't.
quote:
Sounds dangerous.
It's not.
quote:
Mechanisms can fail.
True,,,but won't cause an explosion in your home.
Everyone can learn something by watching this video of a guy trying to ignite R32 straight from the tank.
Your house won't explode.
Posted on 10/4/24 at 11:38 am to MardiGrasCajun
I spoke with my cousin’s HVAC guy today. He said that companies will still have to provide parts and refrigerants for 410A units for at least the next 10 years due to warranties. He said he wouldn’t change anything if nothing is wrong. He said to make the changes as needed. He said that you can change the units as they go out because they work independent of each other. He said there was need to swap out all 3 condensers now
Posted on 10/4/24 at 11:59 am to wartiger2004
quote:
make sure you don’t have any ant beds near your outside unit, the magnetism of the compressor contactor gives off a sweet smell that their noses can pick up and attracts them
How did someone figure that out?
Posted on 10/4/24 at 7:17 pm to Bourre
quote:
I spoke with my cousin’s HVAC guy today. He said that companies will still have to provide parts and refrigerants for 410A units for at least the next 10 years due to warranties. He said he wouldn’t change anything if nothing is wrong. He said to make the changes as needed. He said that you can change the units as they go out because they work independent of each other.
All of this is correct. In fact, R410a is being phased down not out. Don’t listen to anyone that says differently. Also, the same parts used on today’s units are the same ones used on R454b units for the most part with exception of the compressor, txv, refrigerant leak detection sensor and board. Otherwise, pretty much the same stuff inside the units.
Posted on 10/4/24 at 9:08 pm to PJinAtl
quote:I’m not sure but I can tell you from firsthand experience that it is true. I’ve replaced a lot of contractors that are so impacted from ants that it prevents the voltage from passing through to the compressor.
How did someone figure that out?
Posted on 10/4/24 at 9:16 pm to wartiger2004
quote:
the magnetism of the compressor contactor gives off a sweet smell that their noses can pick up and attracts them to it
I thought it was the little bit of warmth. I know when I spent a bit of time in the oil patch, I saw it was common for fireants to build mounds on the warm saltwater lines.....not alway fun when having to move it around looking for restrictions.
Posted on 10/4/24 at 9:33 pm to Bourre
Should I just buy a band new Freon unit for my 10 yr old home and wait? That would save thousands right?
Posted on 10/4/24 at 10:28 pm to TigerFred
quote:
The 90’s were a bitch with changes because of abolishing R-12.
A company in California, Pacific Scientific began buying up R-12 in the early 90's and a simple conversion to Halon for fire fighting. I sold them some bullet tanks for ethane while I was there. They were looking for more.
Dow Chemical was still using R-12 in some of its refrigerant compressors into the early 2000's. Two tank cars loaded with it came up missing between Freeport, TX and Plaquemine, LA. They suspected that they ended up in Mexico. It's not that you couldn't use it, you couldn't find it as it was no longer legal to sell.
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