Refrigeration

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The NEWS HVACR Directory & Source Guide is one of the industry’s most valuable resources. HVACR pros rely on it to locate products, get technical support, and discover new business opportunities. 

Sixty percent of energy use in supermarkets is attributed to refrigeration, and studies have shown commissioning could result in 7 to 25 percent energy savings. A new guide from ASHRAE outlines a commissioning process that could result in substantial savings.

The HVACR Product Browse section helps you locate manufacturers of more than 1,800 types of products and gives you complete contact information. 

A complete list of addresses, phone numbers, fax numbers, email and web addresses, plus contact names, products, and trade names is provided. 

This section provides the address, phone, fax, email and web addresses of local wholesalers. 

Search for a manufacturers rep by location or by product lines represented. 

Find a consulting or service firm that can help your company do its job better. 

Encompassing a broad cross-section of the HVACR marketplace, the winners of this year’s AHR Expo Innovation awards feature everything from a hybrid electric heat pump water heater to a high-performance metric motor. The winning entries were selected in 10 categories.

When refrigeration systems are exposed to low-ambient conditions, the condensing pressure (head pressure) will fall. If the head pressure gets too low, the metering device will not have enough pressure drop across it to operate properly.

Any time an oil pressure control shuts down a compressor, the cause of the shutdown must be identified. The tripped control is a warning of another existing problem. Simply resetting the control will not solve the problem.