Engineered Systems NEWS | ACHR News
The chiller provides 250-450 tons (900- 1,600 kW) of cooling and 3600-5300 MBH (1,000-1,550 kW) of heating. This dual capability eliminates the need for separate heating equipment.
ACHR News - Air Conditioning, Heating & Refrigeration News
Air Conditioning, Heating & Refrigeration News is the weekly newsmagazine of the HVACR contractor covering residential and commercial contracting.
The Do’s and Don’ts of Hydronic System Glycol - ACHR News
Sep 24, 2020 · Antifreeze is one word that hydronic system owners should understand. For the hydronic HVAC contractor, this antifreeze is more accurately described as the heat transfer fluid necessary for the proper functioning of hydronic systems in different regions of the country. Primarily referred to as glycol, the product comes in different formats.
An HVAC Technician’s Guide To R-32 | 2020-11-12 - ACHR News
Nov 12, 2020 · Change is coming once again to the HVACR industry, as there is a growing movement to transition from R-410A to lower-GWP refrigerants.California, for example, is proposing a GWP limit of 750 for all new stationary air conditioning systems (residential and commercial) in California starting Jan. 1, 2023, and other states are planning to follow suit.
A Simple Guide to the Refrigeration Cycle and How Air ... - ACHR …
Sep 15, 2020 · The modern air conditioning system cools an indoor space by using the refrigeration cycle. This refrigeration cycle works by controlling the level of energy in the system’s refrigerant: Some parts of the system have energy-packed refrigerant that is ready to release heat, whereas other parts have energy-depleted refrigerant that is ready to absorb heat.
HVAC Breaking News - ACHR News
5 days ago · The Intertek certification verifies that the device meets the safety and performance requirements for refrigerant detection systems outlined in Annex LL of UL 60335-2-40:2022 Ed. 4 and CSA C22.2#60335-2-40:2022 Ed.
R-454B Emerges As A Replacement For R-410A | 2020-08-02
Aug 2, 2020 · The big debate in the HVACR industry right now is which refrigerant(s) will be chosen to replace R-410A in many types of comfort cooling equipment. Countries around the globe are already phasing down HFCs, and various states in the U.S. are passing legislation that would also minimize the use of these high-GWP refrigerants. California has been the leader of …
ACHR News Podcast
Nov 4, 2024 · What's going on in the air conditioning, heating, and refrigeration industries? Tune it to our podcast channel and find out. These broadcasts give you industry news and engaging interviews.
Performing a Combustion Analysis - ACHR News
Mar 3, 2008 · Safety of the appliance should be the primary goal of all technicians. The production of carbon monoxide (CO) in the flue gases should be kept below 100-ppm air-free, even though the allowable limit in the stack is 400-ppm air-free.
Refrigerant Pressures, States, And Conditions | ACHR News
Apr 28, 2005 · This is the first in a series of advanced basic articles on the refrigeration cycle. All of these articles deal with refrigerant pressures, states, and conditions as applied to a refrigeration system with a refrigerant like R-134a that is not a blend.