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When Is R410A Being Phased Out | What Is An A2L Refrigerant | Transition to R32 & R454B

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Here, we answer the most frequently asked questions about the R410A phase-down.
HVAC-TV RU-vid channel: / @hvac-tv
The Engineers HVAC Podcast: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠podcasters.spotify.com/pod/sh...
Insight Partners Commercial HVAC: ⁠⁠⁠⁠⁠⁠⁠⁠⁠www.insightusa.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠
Hobbs & Associates Commercial HVAC: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.hobbsassociates.com⁠
Tony Mormino on LinkedIn: / tony-mormino

Опубликовано:

13 авг 2024

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Комментарии : 20

@populousoyster 6 месяцев назад

I just went to the Rheem A2L Low GWP Flammable Refrigerant Safety Certification course.. you covered about 75% of my material in 75% less time. From what we were told warehouse and vehicle storage may be somewhat different than we are currently used to. Service vehicles may need to have placards and ventilation if carrying more than 2.5lbs . Anywho great job.. the more education the better.

@bjre.wa.8681 2 месяца назад

why is there no enthusiasm for bluon. I changed out my old R22 with bluon and its been runnin' great for two years. I think it's good stuff!

@anyheck 6 месяцев назад

A big deal I'm seeing with the A2L installs on multifamily is that they will need ventilated shaft enclosures for the refrigerant piping to within 6' of the air handler. See IMC 2021 1109.4. Also the pounds per 1000 ft^3 is only 4.8 lbs for R-32. A lot better for R-454B at 22#/1000ft^3. R-410A is 26. I see a number of unintentionally created machinery rooms for R-32 systems in the future.

@danielogrady6449 17 дней назад

Does this mean that the consumer is being forced to upgrade/update their home appliances now for A2L then in a few more years we will be required to do it again?

@9to5techs 6 месяцев назад

If they want to do that then they should just go straight to R-290 or R-744 refrigerant.

@davidfarr1093 5 месяцев назад

Just installed a new Carrier system with 410a refrigerant. My concern is not getting 410a going forward (think it will be around for a long time), but getting replacement parts compatible with 410a. If my compressor goes out 5 years from now, do you think I will be able to purchase a replacement compressor? Or will I need to upgrade the whole system to a new refrigerant system?

@CesarCadevilla 4 месяца назад

IMO, R410A compressors will be around for a while since most manufacturers have a 10-year warranty on new equipment.

@5dc61 Месяц назад

That’s exactly the reason I’m against the wall on buying and risking or waiting and making sure parts will be available going forward.

@keithstevens5614 3 месяца назад

They can ban R134A if they want which still contains some chlorine and may end up damaging the ozone layer, but why R410A which carries zero impact on the ozone? And then replace them with the highly flammable butane? They're nuts!

@tashmukh Месяц назад

They're not replacing it with butane but with R454B which is an A2L blend in many stationary applications.

@keithstevens5614 Месяц назад

@@tashmukh I read somewhere before that R454B is butane based, but it turns out it's actually 67% diflotomethane and 31.1 percent 2,3,3,3-tetrafluoropropene. Both methane and propane are hydrocarbons and flammable. In India, fridge makers are still using CFCs which damage the ozone layer on top of acting as powerful greenhouse gases. CFC's are something like 90 times more potent as greenhouse gases per molecule than carbon.

@fowlermjames Месяц назад

Thanks for the video. You spoke a lot about flammability but not much on toxicity. Any concern with going to A2L on marine and RV applications?

@tashmukh Месяц назад

The tox profile is no different than what's in the market today. They all have employee exposure information and they are similar much like the older generation gases.

@jeffb6276 6 месяцев назад

I was wondering if you can help me get a grip on something- if it's 20° outside and I add 8k btu to a space and say it brings me to 50° (30° change)- if I had only added 4k btu would I get a 15° change? Now instead of it being a 20° day, say it's 50° and I add 8k btu, would I still go up 30° to 80° or would I be higher? Is this stuff linear at all or is it all voodoo 😂