Articles Tagged with ''refrigerants''

Is it time for refrigerant recycling machines?

Opportunity knocks.

The EPA passed a law (which had nothing to do with the environment) that forbids HVACR contractors from doing their own recycling in order to sell recovered refrigerant.


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Use these commonsense air-conditioning techniques

System longevity.

Shortly after the magazine came out, I received an email from a reader pointing out the obvious — that obtaining superheat and subcooling readings usually requires the use of both gauges and a thermometer. Yes, this is true. But perhaps I should have gone on to add the following.


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Put a charge in it

Noninvasive preventive maintenance is the way to go.

If you needed a tool that would best describe an HVAC technician or his company, it would be his manifold and gauges. Other than hand tools, that’s the one most technicians carry. So, it would be unusual to think of a tech going on a “preventive maintenance” or “tune-up” call without connecting this device.


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Can you mix R22 with R410a?

You can, but it doesn’t work.

 I recently read an article in a local HVACR magazine that somewhat addressed this problem, which I guess we all should have foreseen coming because R22 is getting very scarce and its price is skyrocketing. 


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Drop on in

Get involved in the recovery and recycling of R22.
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Airgas introduces automated refrigerant reclamation technology

Airgas Refrigatron System makes refrigerant reclamation faster, safer and more cost-effective.
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Explosive hydrocarbon refrigerants

R-22 replacement has its pros and cons.
Has it come to this? Well, not yet, but possibly soon! I recently read an article telling of how some companies are marketing a hydrocarbon refrigerant to replace R-22 in air conditioners, and they are marketing it to consumers, not HVACR supply houses.
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BNP Media's Plumbing Group Visits Grundfos North American Headquarters

BNP Media’s Plumbing Group, comprised of the Plumbing & Mechanical, Supply House Times, PM Engineer (pme) and Reeves Journal brands, recently visited Grundfos’ new North American headquarters building in the western Chicago suburb of Downers Grove, Ill.

8/26/14 1:00 pm EST

Free Webinar: Low Temperature Heat Emitter Options in Hydronic Systems

With proper design, you can create systems that require supply water temperatures no higher than 120° F under design load conditions.

Supply House Times

SHT September 2014 cover

2014 September

Our cover this month features incoming ASA President Rick Fantham, who holds the dual roles of president and CEO of Hajoca Corp., and London, Ontario-based Emco.

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2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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