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Feb 2020
hilmor Invites Technicians to Compete in “Fastest Hands in HVAC/R” Contest
hilmor, a leading brand of the DiversiTech family and a manufacturer of innovative tools for HVAC/R technicians, invites technicians attending this year’s AHR Expo in Orlando, FL, February 3 – 5, to compete for the coveted title of the Fastest Hands in HVAC/R.
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Jan 2020
Top Brazing Tips
Copper melts at just under 2,000°F and most copper brazing materials melt between 1,100°F and 1,300°F. Copper-to-copper connections do not require flux when a phosphorus bearing alloy is used. In other words, a brazing rod with “phos” in the name. Let’s break down the details.
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Jan 2020
Fundamentals of CO2 Refrigeration
For most refrigeration contractors and service technicians in the U.S., working with CO2-based refrigeration is still largely an abstract concept. Most know that CO2 has higher pressures, unique performance characteristics and architectures that are vastly different from traditional systems
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Jan 2020
Furnace Troubleshooting Best Practices
As we hunker down for the cold wind and falling snow of the heating season, it is important to refocus our minds on heating systems and how to work on them.
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Jan 2020
AHR Expo to Bring HVACR to the Sunshine State
With February fast approaching, it’s time to start planning your trip to the biggest HVACR conference and trade show of the year. Whether you are new to the industry or a veteran with decades under your belt there will be something for everyone.
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Jan 2020
MSAC Hotline: Parallel Evaporators
I am a CMS Master License holder in Delaware. I recently installed two Bosch Bova systems BOVA- 36HDN1-181M with matching Bosch air handlers at 5kW and second stage heating. We are using Honeywell TH622 thermostats where everything is new.
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Jan 2020
Troubleshooting: Furnace Won’t Stay Lit
In this troubleshooting scenario, you are called out by your install department because a new natural gas furnace is having issues after they installed it. You find the fault code shows an ignition proving failure.
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Jan 2020
Last Word: The Slow Death of the Honest Technician
I was sitting in a session at the HVAC Excellence Educators’ Conference (which was excellent by the way) and my phone buzzed. So like a typical punk kid I looked down at it to see that my friend Josh had sent me a Facebook message asking if we served the east side of Orlando because he wanted an A/C maintenance on his home.
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Jan 2020
Heating Up: Here Are Some Must-Reads
I always regard RSES Journal as a work-in-progress, but i'm particularly proud of this issue of the magazine.
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Results: 2289 Articles Found
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