Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.
421a conversion
Options
It is so simple if you know basic refrigeration, the problem is most don't. I am going to post a recent letter I wrote it is some what controversial but 100% all Truth. It will make alot of big boys very unhappy but all is true I am not like a politician lol. It is called the 39th parallel the truth about 410a and nobody cares.
0
This discussion has been closed.
Categories
- All Categories
- 85.7K THE MAIN WALL
- 3K A-C, Heat Pumps & Refrigeration
- 49 Biomass
- 418 Carbon Monoxide Awareness
- 71 Chimneys & Flues
- 1.9K Domestic Hot Water
- 5.2K Gas Heating
- 92 Geothermal
- 160 Indoor-Air Quality
- 3.2K Oil Heating
- 59 Pipe Deterioration
- 848 Plumbing
- 5.8K Radiant Heating
- 371 Solar
- 14.5K Strictly Steam
- 3.2K Thermostats and Controls
- 50 Water Quality
- 38 Industry Classes
- 47 Job Opportunities
- 15 Recall Announcements