Heating, Ventilating, and Air Conditioning

11/01/2003


Efficient boiler uses aluminum


MACH Series condensing hot water boilers combine the latest cast aluminum metallurgy with advanced burner and control technologies. The boiler is certified at 92% efficiency. It operates across a 5:1 turndown ratio, which is infinitely adjustable from 20% to 100% of rating, resulting in the ultimate in condensing efficiency.



Patterson-Kelley : pkboilers.com , TO VOTE, WRITE 9 ON BALLOT For more information, write 9 on card

Small fan moves large volumes

Vertical fan is a moveable, 8-ft, high-volume, low-speed fan that can circulate air at up to 38,000 cfm. It employs a 1-hp motor with a gear reducer that can use less than $.05/hr in electricity, on average. The fan uses 10 airfoils to move a massive amount of air at a relatively low speed, producing 5 to 10 times the airflow of standard fans.




Big Ass Fans
: bigassfans.com , TO VOTE, WRITE 81 ON BALLOT For more information, write 81 on card

Compact water heater is expandable

Easiheat is an advanced steam water heating system. It utilizes the latest plate-and-frame heat exchanger technology designed especially for steam service. The unique design allows for high efficiencies within a minimal amount of space. The plate heat exchanger allows for ease of cleaning and future expansion. Single wall and double wall systems are available.



Spirax Sarco : spiraxsarco.com/us , TO VOTE, WRITE 23 ON BALLOT For more information, write 23 on card

Condenser handles low-pressure vapors

AlfaCond is a plate condenser specifically developed for condensing vapors under low-pressure, low-vacuum conditions in evaporation and distillation systems. It is ideal for replacing direct condensers and indirect shell-and-tube condensers. The unit is designed for vacuum condensation with one large vapor inlet, two small condensate outlets, and medium-sized water connections.



Alfa Laval, Inc. : alfalaval.com , TO VOTE, WRITE 98 ON BALLOT For more information, write 98 on card

Purger removes chiller contaminants

Industrial OAM-Purger removes oil, acid, and moisture from a centrifugal chiller's refrigerant charge. The oil is automatically returned to the chiller's oil sump. The clean refrigerant charge restores the chiller to peak efficiency and can have a purger payback of as little as 3 to 4 mo. The purger helps to reduce maintenance and prevent breakdowns.



Redi Controls, Inc. : redicontrols.com , TO VOTE, WRITE 62 ON BALLOT For more information, write 62 on card

Read humidity and temperature

Model RH101 is a combination humidity meter and infrared thermometer that features a large, backlit, dual display. The infrared thermometer has a built-in laser pointer and an 8:1 distance-to-target ratio. The humidity sensor, with 39-in. coiled cable, provides readings for humidity and ambient temperature.



Extech Instruments Corp. : extech.com , TO VOTE, WRITE 107 ON BALLOT For more information, write 107 on card

A-C unit is portable and self-contained

Office Pro 10 air conditioner is fully self-contained with no installation necessary. It is simply wheeled in, plugged into a 120-V outlet, and turned on, instantly providing 10,000 Btu of cooling. It features a built-in supply and return airflow to the condenser, drawing in outside air to cool the condenser and exhausting hot air out of the room.



DENSO Corp.; MovinCool Div. : movincool.com , TO VOTE, WRITE 136 ON BALLOT For more information, write 136 on card





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