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HVAC-Talk: Heating, Air & Refrigeration Discussion – General Discussion

American standard not going below 70 in cooling
Hello, I’m currently working on an American standard 3 ton heat pump VFD . I got assigned to figure out why it wont go below 70 in cooling. I have...
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Hi all! Not sure how many old folk are even still around here. I used to be quite a regular on here, but once the Facebook HVAC groups started coming...
Hime made chiller barrell?
Some years ago while performing an energy audit, the customer had an aquarium building with all sorts of fish and aquatics. We were auditing after...
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Working in automation and controls the past few years, I'm a little handicapped when it comes to current residential offerings. My trusty old...
Thermo Scientific ultrafreezer trouble
Hi people, I'm new in this forum, I've been strugling with a ultrafreezer, two stages cascade system, the compressors use R404 for the low stage and...
Split system billboard cooler
I've never seen anything like this. Hundreds of feet from the nearest building, so no amount of LLSVs would allow this to be a space cooler. The...
Spec Sheet/Product Manual Resources
Decided to start this thread as I have been in the process of aggregating spec sheets to present to a food marketplace customer; the objective is to...
Tankless water heater brands and models
I have a residential customer that asked me about upgrading from a tank to a tankless water heater. Usually, I recommend a condensing model and pipe...
VRV design Software
Hi , could you help me to find free VRV designing software with for the practicing .

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HVAC: Why i Bought the Testo 550

November 9, 2017John Wilkes

HVAC: Why i Bought the Testo 550

5
Here i explain why i bought the Testo 550

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