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  1. Commercial HVAC Forum
    Looking for a refrigerant that does not contain propane that will also work well in residential a/c and heatpumps. Has anyone used this and do you have to change out the oil they claim no components need to be changed. Mineral oil and alkylbenzene are often acceptable with R-427A if the system...
    427a r22 replacement thoughts
  2. Commercial HVAC Forum
    I read a articular that was posted about converting system from R22 to R410A .Where they talking about replacing the meting device in the air handler or the evaporator coil & if so, where did they find a device for 410A? Also how much changes has there been from R22 systems to the R410A...
    converting hvac r22 r410a systems
  3. General HVAC Discussion
    I installed an Air temp 3 ton r22 condeser and a 3 Ton Acoil by Nordyne Model # for a coil is c7bam03648c-c. The condenser is looking for a .073 piston and the one with the acoil is .067..The style of the pistons are very different The a coil piston is very tiny not the normal looking...
    acoil condenser r22 r410a
  4. General HVAC Discussion
    Hello All, I have noticed after pulling a vacuum 15-20mins, I have tried charging the unit with R22. After spending almost 20-30 mins charging the unit, it will not take any more gas. I have installed new filter in this very old unit but house still not cooling down. Any help or idea greatly...
    r22
  5. HVAC Material and Products
    Hello R22 is over $350.00 for 30lbs tanks. Any solutions out there. I see this new item by a company called Ecofreeez. EF-22a. They claim thats it's a drop in replacemnet for R22 and can be used to top off and/or replace. Its made of hydrocarbons. Very reasonable in price. Any thoughts aout...
    r22 replacement
  6. Residential HVAC Forum
    Hello R22 is over $350.00 for 30lbs tanks. Any solutions out there. I see this new item by a company called Ecofreeez. EF-22a. They claim thats it's a drop in replacemnet for R22 and can be used to top off and/or replace. Its made of hydrocarbons. Very reasonable in price. Any thoughts aout...
    r22 replacement
  7. Commercial HVAC Forum
    Hello R22 is over $350.00 for 30lbs tanks. Any solutions out there. I see this new item by a company called Ecofreeez. EF-22a. They claim thats it's a drop in replacemnet for R22 and can be used to top off and/or replace. Its made of hydrocarbons. Very reasonable in price. Any thoughts aout...
    hvac r22 replacement
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