Heating, Ventilating, & Air Conditioning


Stainless heat exchanger endures extremes

AlfaNova claims to be the world's first 100% stainless steel fusion heat exchanger. It can handle pressures to 650 psi, temperatures up to 1020 F, and pressure fatigue cycling that would destroy conventional brazed units. The totally stainless steel construction offers corrosion resistance to media that would attack copper. This construction also provides greater mechanical strength and improved levels of hygiene.

Alfa Laval, Inc. : alfalaval.com TO VOTE, WRITE 11 ON BALLOT For more information, write 11 on card

UVC fan kit cleans air

Fan Coil UVC Kit provides mold and indoor air quality (IAQ) control, energy savings, and reduced maintenance. Each kit contains a UVC (ultraviolet C) emitter and power supply plus all necessary hardware to retrofit a fan coil. The kit makes it possible to install UVC lights in some of the most difficult to maintain yet widely used air conditioning systems and is designed for easy snap-in installation. Emitter tubes come in six lengths from 16 to 42 in.

Steril-Aire, Inc. : steril-aire.com TO VOTE, WRITE 16 ON BALLOT For more information, write 16 on card

Fan improves energy efficiency

Powerfoil fan provides cooling in summer and energy-saving destratification in winter. The fan increases energy efficiency by almost 400% and costs nearly 50% less to operate in the winter compared to other fans. In addition, cold weather heating costs are reduced more than 25%. Winglets can be added to increase airflow by 4 to 7% and energy efficiency by 16 to 22%. Fans are available in diameters of 6 to 24 ft — the latter moving up to 334,000 cfm.

Big Ass Fans : bigassfans.com TO VOTE, WRITE 31 ON BALLOT For more information, write 31 on card

Diffuser improves IAQ

Comfort 1stFiltered Diffuser addresses the two biggest complaints in an office, drafts from overhead diffusers and illness and allergic reactions from polluted ductwork. It combines four-way adjustable airflow along a horizontal plane. Four antimicrobial filters cover the discharge points inside each louver. The multidensity, two-ply filters remove pollutants as small as one micron and destroys most microorganisms.

International Diversified Marketing, Inc. : controlaflow.com TO VOTE, WRITE 34 ON BALLOT For more information, write 34 on card

Duct liner cuts noise

ToughGard 2 textile duct liner is a new generation of fiberglass duct liner that provides improved levels of acoustical and thermal performance and easier handling. Designed to be used in most types of comfort heating and cooling systems, its thermal performance exceeds that of the original duct liner and approaches the levels of performance of rotary liners.

CertainTeed Corp., Insulation Group : certainteed.com TO VOTE, WRITE 58 ON BALLOT For more information, write 58 on card

Paperless recorder downloads to computer

RH520 Humidity + Temperature paperless chart recorder provides a simultaneous numerical and graphical display which is adjustable vertically and horizontally. The internal memory records up to 49,000 data points and can be transferred to a PC for further data analysis. It measures humidity (10 to 95% RH) and temperature (-20 to 140 F) and calculates dew point.

Extech Instruments Corp. : extech.com TO VOTE, WRITE 69 ON BALLOT For more information, write 69 on card

Air filters in canisters save space

Camsorb sorbent canister systems are used for removal of high gas and vapor loads in HVAC systems. The cylindrical canisters contain more sorbent in a given space than flat tray designs, providing higher removal efficiency and capacity. The rechargeable canisters contain 107 lb of loose-fill sorbent media per 2000 cfm. Coconut shell activated carbon and a variety of specialized sorbents are available.

Camfil Farr : camfilfarr.com TO VOTE, WRITE 142 ON BALLOT For more information, write 142 on card

Chiller cools process fluids

This modular immersion chiller provides ideal cooling of hydraulic fluids, oils, and emulsions used in manufacturing processes. A user-friendly design of three major components including a chiller, refrigeration circuit, and electrical system simplifies maintenance. It also provides outstanding corrosion resistance with its nonferrous construction and durable, powder-coated finish.

Rittal Corp. : rittal-corp.com TO VOTE, WRITE 240 ON BALLOT For more information, write 240 on card

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