Engineered Systems articles from May 2008

Engineered Systems archives from May 2008

There is no silver bullet: you can, however, load up on silver BB's.(Editor's Note)(Editorial)
May 1, 2008... As far as hearing a varied cast of smart people talking about real (and real big) problems, the first week in April was a bonanza of opportunity. Between our own Baltimore gathering and the subsequent Danfoss symposium in Washington, it was...

ES calendar.(Calendar)
May 1, 2008... SEPTEMBER 22-24 Green Sustainable Buildings Controls Conference Engineered Systems & BACnet Int. Dallas. More details to come. ES Webinars All webinars are free. Register to participate live or watch archived webinars at...

Legionella and cold water humidifiers.(Letters)(Letter to the editor)
May 1, 2008... Ed note: This letter refers to Matthew Freije's article titled, "Eight Ways To Keep Legionella Out of Your Air Distribution System," which appeared in the February 2008 issue of Engineered Systems (page 46). I am a consulting engineer who...

Engineering in the construction phase.(Back 2 Basics: Based on Cx-3 ATC/FPT software)
May 1, 2008... * The designer should manage the design phase fee so that he has adequate funds to participate in the field coordination drawing phase of construction. Refer to "Design & Construction Administration for the 21st Century" in the August 2007...

Third-Party Cx and TAB engineering in the construction phase.(Back 2 Basics: Based on Cx-3 ATC/FPT software)
May 1, 2008... * Those who contract for commissioning services in the construction phase of the job usually interpret commissioning as being startup. When the commissioning firm is hired at that point in time to perform FPT, experience has shown that this...

Data center cooling solution gives manager both rest and rebate.(Case In Point)(Company overview)
May 1, 2008... Founded in 1993, CDW Berbee is a provider of IT solutions, including unified communications, security, remote managed services, information worker solutions, and more. The company's data centers support host applications, co-location, and...

For combo laundromat-cafe, tankless is just the ticket.(Case In Point)
May 1, 2008... When cousins Jesus Ortiz and Laury Rosario decided to open the first combination cafe and laundromat in the state of Connecticut, they chose a manifold (connected) six-unit, tankless water heating system, simplifying one of the most important...

Air intake filters reduce strain on facility staff.(Case In Point)
May 1, 2008... Building management officials at a 65,737-sq-ft bio-medical building located on the campus of a major university in southeastern Michigan had reached a point where they had to do something about ongoing problems with the facility's main AHUs:...

Control valves pave the way for DOT's variable primary system.(Case In Point)
May 1, 2008... Variable primary chilled water systems can be a cost-effective alternative to standard primary/secondary systems and are becoming more commonplace for that reason. At the same time, these systems are often more challenging to control. In...

Design-build vs. design-bid-build: for commissioning agents, the difference is nuanced but significant.(Commissioning)
May 1, 2008... It has been a number of years since I addressed commissioning of D-B projects. In my September 2000 column, I reflected on how commissioning is at least, and probably more, applicable and important to D-B projects as it is to traditional...

The radiant future: it's not just for heating anymore.(Hydro Tech)
May 1, 2008... Why is it when most HVAC engineers think of a radiant system, they relate it only to heating from some type of tubing in a floor? Is this the full picture? In most heating-only markets, radiant floor heating is desirable for residential...

Commercial kitchen exhaust--the mechanical disconnect! The HVAC designer is a pro. The foodservice consultant is a pro. What could go wrong?(Guest Column)
May 1, 2008... From the onset of a commercial kitchen ventilation (CKV) project, the design of the exhaust ventilation system is challenged by an inherent disconnect between the foodservice consultant and the mechanical engineer. This communication gap may be...

Design review and equipment startup checklist: for commercial and public buildings.(HVACR Designer Tips)
May 1, 2008... Equipment type: Rooftop unit Equipment designation: RTU-1 Barcode designation: 111111 Equipment type: One-story office space Equipment type: Rooftop ELECTRICAL INSPECTION [Y] [N]...

The challenge of controls specs, Part 2: this month's tip: get prescriptive.(Building Automation)
May 1, 2008... Last month, we shared with you some of our controls design insights born from not just our actual project experience, but also from the unique experience of helping to develop the ASHRAE guideline for specifying DDC systems. In that column, we...

Retrofit success: the 42% solution.
May 1, 2008... [ILLUSTRATION OMITTED] From AHUs to new chilled water loop management to lighting and life safety, the upgrades to these two state office buildings were as numerous as they were effective. However, this story is especially notable for the...

Overcoming hot aisle / cold aisle separation anxiety.
May 1, 2008... [ILLUSTRATION OMITTED] Here in the second of two parts, the author is reminded that data center design is no vacation. He does, however, discover that what doesn't work on the road to Orlando doesn't work in the data center, either. What...

Fight the freeze.
May 1, 2008... Read this, and you may be amazed that we aren't constantly swimming in water damage or component failure from frozen sprinkler system pipes. Whether you're a designer, facility engineer, owner, or even tenant, pick up ways to help prevent your...

High efficiency profile turning vanes & rail.(Engineer's Technical Library: Spring 2008)
May 1, 2008... * H-E-P Vanes Provides Maximum Turning Efficiency * Energy savings are provided by the superior airfoil contour, which reduces relative pressure to the lowest level. * Aerodynamic design greatly reduces generated sound power levels ...

Premier VS vacuum system "engineered performance".(Engineer's Technical Library: Spring 2008)
May 1, 2008... Superior Radiant Products Premier VS system boasts the flexibility of in-series variable rate burners resulting in unsurpassed comfort and energy efficiency. * Custom engineered to precisely fit building heat requirements * Burner...

Bradford White's ultra high efficient--eF Series[R] line continues to grow.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Bradford White's eF Series[R] ultra-high efficiency gas water heaters now include a 100-gallon capacity model with 399,999 BTU/hr that features 518 gallon first-hour delivery and 93% thermal efficiency. Other available models include 60-gallon...

Industrial water filter: conserves rinse water.(Engineer's Technical Library: Spring 2008)
May 1, 2008... * Automatic Self-Cleaning * Line Pressure Powered * Screens down to 10 microns * 1 inch to 20 inch line sizes * Single Unit flow rates to 12,000 gpm [ILLUSTRATION OMITTED] Orival, Inc. 201-568-3311 * FAX...

Krueger Institute of Technology--engineering training.(Engineer's Technical Library: Spring 2008)
May 1, 2008... As a leading manufacturer of air distribution products, Krueger welcomes engineers to an educational experience at the Krueger Institute of Technology (KIT) to better understand correct application and theory of air distribution products and...

Automatic Filters, Inc. Tekleen[R]: the best engineered water filtering solution always cost less.(Engineer's Technical Library: Spring 2008)
May 1, 2008... * Fully automatic self cleaning water filters * No flow interruption. * 2 gallons per backwash. * Single Unit Flow rate to 20,000gpm * 1 inch to 36 inch line size. * Stainless steel filters at carbon steel prices. ...

Ruskin air measuring solutions.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Ensure precise, reliable performance with one of Ruskin's AMCA-Licensed air measuring products. Licensing through AMCA is a voluntary process that surpasses minimum code requirements, substantiates the manufacturing process and validates...

Ruskin all products selection guide.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Ruskin's newly revised All Products Selection Guide (RAPSG) features over 296 pages of specification, application and technical data on the entire product line, including control dampers, fire dampers, smoke dampers, combination fire / smoke...

UNILUX Advanced Manufacturing, LLC.(Engineer's Technical Library: Spring 2008)
May 1, 2008... [ILLUSTRATION OMITTED] The unique UNILUX 5 pass flexible water tube boiler design is simply the finest in its class. With standard operating efficiencies at 85% and a standard 20 year warranty against thermal shock damage, UNILUX provides...

Ruskin Louvers, Screens and Grilles.(Engineer's Technical Library: Spring 2008)
May 1, 2008... The new Ruskin Louvers, Screens and Grilles brochure highlights their most popular wall louver, equipment screen and decorative grille products. Included in the new 2007 edition are Ruskin's Miami-Dade County approved Hurricane Louvers, which...

Ruskin commercial air doors.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Ruskin Air Doors, ranging from 36" to 84" sizes, are designed to keep dirt, dust, fumes, insects, pollen and odors from entering your facility; making it easier to maintain a cleaner and healthier environment. Available in a wide range of...

Closed-cell duct insulation protects against mold, fibers and noise.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Mold-resistant, fiber-free AP Armaflex Duct Liner provides a clean and safe method for insulating and quieting air ducts while protecting indoor air quality. The closed cell foam provides superior moisture control, sound attenuation and...

TALON open protocol building management system.(Engineer's Technical Library: Spring 2008)
May 1, 2008... TALON integrates your building controls into one easy-to-use building management system. You have the flexibility to integrate LonWorks[R], BACnet[R], and other protocol devices for: * Anywhere internet system access * Energy cost...

Products for corrosive air exhaust.(Engineer's Technical Library: Spring 2008)
May 1, 2008... [ILLUSTRATION OMITTED] New brochures feature polypropylene blowers and fans. Quality systems installed worldwide providing reliable performance for over 35 years. Flexible configurations achieved through the Plastec Utility Blower, JET...

Selective catalytic reduction system for package boilers.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Nationwide Boiler offers a new six-page brochure describing the design confi gurations, principle of operation and performance of their selective catalytic reduction system, CataStak[TM]. Suitable for use with package boilers to 250K lb/hr.,...

Desert Aire releases new brochure--"Technical Bulletin 20--DX-DOAS Control Strategy".(Engineer's Technical Library: Spring 2008)
May 1, 2008... DX-DOAS Control Strategy, Technical Bulletin 20, describes the company's control options for DX dedicated outdoor air systems (DX-DOAS) and the necessary sequences to maintain comfortable indoor conditions while introducing outdoor air that...

No-clog Dryer Duct Booster[R] improves efficiency & safety.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Tjernlund's Dryer Duct Booster[R] is ideal for restrictive or dryer exhaust duct runs over 25 equivalent feet which cause increased drying times & energy use. Reduces lint build-up, dust and fire hazard potential. The Dryer Duct Booster[R]...

Intelligent exhaust / ventilation systems.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Tjernlund's patented CPC-3 technology allows for precise control of exhaust, make-up and combustion air applications. Reduce vent diameters up to 50%, overcome convoluted vent layouts and dramatically shorten stack height above roof line....

Electronic FlowHood CFM-88.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Air Balance and energy audit are faster and easier with the new CFM-88 electronic FlowHood. The unit offers unequaled accuracy and direct digital readout of density and corrected air flow measurement. No Ak correction factorsare ever needed....

Cemline storage boiler water fired plate heat exchanger water heaters (SPH series).(Engineer's Technical Library: Spring 2008)
May 1, 2008... The SPH is a perfect solution for producing domestic hot water heated by hydronic boilers. The SPH Packaged Water Heater uses a plate type heat exchanger maximizing heat transfer between the boiler and domestic water returning boiler water to...

Enhance comfort of ductless heating/cooling & PTAC systems.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Tjernlund's AireShare[TM] makes hot or cold rooms more comfortable. Quiet, low-profile design efficiently moves air through the wall cavity from room to room. Unique design allows Intake or Diffuser to be mounted high or low for greater comfort...

Tjernlund draft, combustion air & ventilation CD revised.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Tjernlund's updated resource CD has 1000's of pages of data such as, literature, spec sheets, fan curves, install/service manuals, wiring diagrams, parts reference, photos & more. Now includes Side Wall Power Venter selection software. Draft,...

Next generation of the Vaisala HUMICAP[R] Humidity & Temperature Transmitter Series HMT330.(Engineer's Technical Library: Spring 2008)
May 1, 2008... The Vaisala HUMICAP[R] Humidity/Temperature Transmitter Series HMT330 includes six models that cover 0... 100 %RH, a wide temperature range -70... +180 [degrees]C (365 [degrees]F), pressure 0... 100 bar (1450 psi). Includes the next...

Air Blender[R] selection software.(Engineer's Technical Library: Spring 2008)
May 1, 2008... This CD will aid mechanical designers define the level of mixing required for specific design criteria (i.e. providing freeze protection, minimizing sensor errors, and ensuring IAQ requirements), select products for required level of mixing...

E-Mon D-Mon[R]: the engineer's choice for Metering[TM].(Engineer's Technical Library: Spring 2008)
May 1, 2008... Choose the leader for your electric, gas, water and steam metering applications. E-Mon products have been preferred for over 25 years for applications such as tenant allocation, energy analysis, usage management in addition to supporting...

New E-Mon D-Mon Green Class Meters for green building initiatives.(Engineer's Technical Library: Spring 2008)
May 1, 2008... E-Mon's new Green Class Meters offer Environmental & energy conscious users the ability to monitor and record the impact of energy conservation efforts. Ideal for LEED and EPACT 2005 projects. The meter provides a scrolling display of energy...

ClearFire (CFH) commercial boiler-steam.(Engineer's Technical Library: Spring 2008)
May 1, 2008... The Cleaver-Brooks model CFH compact gas-fired boiler is offered for the commercial boiler market for low or high pressure steam from 10 horsepower through 40 horsepower. Utilizing the Clearfire advanced heat transfer technology and premix...

ClearFire (CFC) commercial boiler--fully condensing.(Engineer's Technical Library: Spring 2008)
May 1, 2008... The Model CFC is a Single Pass--Down Fired Stainless Steel Full Condensing Boiler. It is CSA Certified and listed from 500,000 BTU/Hr input through 2,500,000 BTU/Hr input. Utilizing a Premix Burner with Metal Fiber Head, provides NOx emissions...

Energy efficient CRAH.(Engineer's Technical Library: Spring 2008)
May 1, 2008... The Compact-CWE by STULZ-ATS is the first Computer Room Air Handler (CRAH) to bring Energy Saving EC (electronically commutated) Fan technology to the US datacenter. Our Compact-CWE is practically maintenance free; the EC Fan technology offers...

Ultrasonic humidifiers.(Engineer's Technical Library: Spring 2008)
May 1, 2008... The STULZ Ultrasonic humidifiers offer clean, virtually contaminant free humidification and use 93% less electrical energy than electrode boilers or infrared humidifiers; a cooling effect that helps reduce compressor run time is achieved...

Desiccant dehumidification systems.(Engineer's Technical Library: Spring 2008)
May 1, 2008... DESICAiR[R] industrial dehumidifiers provide precise humidity and/or temperature control (humidity levels from 60[degrees]F dew point to as low as minus 60[degrees]F dew point) of either a room or process air stream. Equipment is available with...

PennBarry Product Handbook.(Engineer's Technical Library: Spring 2008)
May 1, 2008... PennBarry is "moving your way" with a new Product Handbook that provides both photos and descriptions for their entire selection of full service ventilation products for commercial and industrial applications, including energy recovery units....

HVAC Master Catalog.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Choosing the right HVAC products from Siemens Building Technologies is easy with the new HVAC Master Catalog. The comprehensive catalog offers a full listing of all Siemens Thermostats, Sensors, Valves, Actuators, Damper Actuators, Variable...

VFD's "A to Z"--everything you need to know about VFDs is now available on CD.(Engineer's Technical Library: Spring 2008)
May 1, 2008... VFD "A to Z"[TM] CD-ROM explains Siemens SED2 VFD capabilities. It includes multimedia presentations and technical training videos on SED2 family of products, conventional e-bypass options, harmonics basics, and a documentation library. This CD...

OpenAir[TM] Electronic Damper Actuator Selection Guide.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Choosing the right OpenAir[TM] Damper Actuator from Siemens Building Technologies is easy with the new OpenAir[TM] Electronic Damper Actuator Selection Guide. The 40-page guide offers wiring diagrams, application sheets, and sizing examples of...

New Sensor products brochure from Siemens.(Engineer's Technical Library: Spring 2008)
May 1, 2008... New Siemens Sensor products brochure provides detailed information on the complete line of Siemens temperature, humidity, and IAQ sensors, as well as sensing product accessories for HVAC control applications. The brochure includes...

Bard WF Wall-Mount Gas Furnace.(Engineer's Technical Library: Spring 2008)
May 1, 2008... The WF Wall Mount Gas Furnace requires no interior floor space or venting and all service and maintenance can be performed outside of the building. Ideal for new construction, school renovation, retail stores, garage service centers and other...

Free! New catalog for Building Automation & HVAC systems.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Dwyer Instruments, Inc., has just released a new catalog for the Building Automation & HVAC markets--The Building Automation Catalog. Products are grouped together by application: water-cooling systems, boilers, air quality & control, test...

Low range differential pressure sensors: utilize compact design for airside applications.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Pressure ranges of 0-2", 0-5", 0-10" [H.sub.2]0, [+ or -] 1", [+ or -] 2" [+ or -] 5" [H.sub.2]0 available, suitable for clean, dry air and dry inert gas pressures. Applications are VAV control systems, filter monitoring, and building...

Chemtrol[R] CT100 controller.(Engineer's Technical Library: Spring 2008)
May 1, 2008... SANTA BARBARA CONTROL SYSTEMS introduces the CHEMTROL[R] CT100 controller for Cooling Towers and Boilers. Features include conductivity, with an option for pH, temperature, Watermeter inputs, three additive-feed programs, Langelier Saturation...

Gastite launches XR2 fitting.(Engineer's Technical Library: Spring 2008)
May 1, 2008... [ILLUSTRATION OMITTED] The new Gastite XR2 provides an optimum seal with minimal prep--the only fitting of its kind in the industry. Featuring its patent-pending multi-point seal, the XR2's sealing surface does not sit on the cut end of...

Rheem-Ruud Eclipse[TM] electric commercial water heaters.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Discover the commercial heavy-duty electric line that features: * Longer life--carries an unprecedented 10-year limited tank warranty * Lighter weight--less than half of conventional products * More durable and more efficient than...

2-stage gas infra-red heaters.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Solaronics' energy-efficient "True Dual" 2-stage heaters bring unprecedented fuel-cost savings of up to 75% for commercial and industrial buildings. Both air and gas flows of the patented system provide precise air-to-gas ratios at both high-...

Parker 204WW Direct Fired Hot Water Wall Boiler.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Parker Boiler, Los Angeles, offers its 204WW Direct Fired Hot Water Wall Boiler. Soon to be available in sizes from 500,000 up to 2,000,000 BTU Input with bent tube all welded design. The WW raises the efficiencies up to 86% on some models. The...

Energy recovery wheels.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Air-To-Air energy recovery for temperature and humidity. Effective transfer of enthalpy from ventilation air to exhaust air during summer, from exhaust air to ventilation air during winter. SAVE energy and reduce both the chiller and boiler...

ONICON Incorporated's System-10 BTU Meter.(Engineer's Technical Library: Spring 2008)
May 1, 2008... ONICON Incorporated's System-10 BTU Meter is a highly-accurate microprocessor-based instrument designed to provide full energy, flow and temperature data both at the front panel LCD and over an optional serial interface. Differential...

TM Series Cooling Tower CTI certified performance.(Engineer's Technical Library: Spring 2008)
May 1, 2008... [ILLUSTRATION OMITTED] The TM Series Cooling Tower expands Delta's unit capacity up to 2000 cooling tons. This engineered plastic molded tower provides longer life than traditional metal towers without the high budgeted costs typically...

Everything you need to know about "Solution-based" air conditioning products on one FREE CD.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Complete collection includes: * Product submittals * Detailed product profiles * Application ideas * installation/operation manuals * Product literature and specs [ILLUSTRATION OMITTED] Friedrich Air Conditioning...

Insulation Saddle System.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Anvil's 260 Insulation Saddle System is a revolutionary product for installing insulation. Used for copper and steel pipe systems, it eliminates the wood block and shield, and costly hanger adjustments. For chilled and hot water systems...

Modulating Building Exhaust System[TM].(Engineer's Technical Library: Spring 2008)
May 1, 2008... The MBES is a state-of-the-art solution for exhausting kitchen hoods and bathrooms in multi-story buildings. It's a result of expertise acquired over half a century, and participation in scientific and code development of new ventilation...

3E Plus[R] Insulation Thickness Computer Program.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Download NEW Version for FREE at www.PipeInsulation.org Quantifies energy, environmental and cost savings from increasing pipe, duct and vessel insulation levels in commercial buildings and industrial facilities. Improved user interface,...

Go green with Cambridge.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Cambridge heating equipment is a proven, cost effective way to go green for warehouses, mfg. plants, indoor sports facilities and other commercial/industrial buildings. Patented burner and Blow-Thru[R] technology save energy and reduce air...

Mechanical Dryer Venting System[TM].(Engineer's Technical Library: Spring 2008)
May 1, 2008... The MDVS is developed in cooperation with clothes dryer manufacturers. It's used to exhaust clothes dryers in multi-story buildings, and laundry facilities in hotels, resorts, sports and health care facilities. [ILLUSTRATIONS OMITTED] ...

Product Catalog.(Engineer's Technical Library: Spring 2008)
May 1, 2008... ProTech Systems (PTS), new Product Family Catalog is now available. Bringing all of our product lines into one comprehensive book provides our customers the ability to browse PTS' seven product lines more easily while gaining valuable...

SEMCO chilled beams.(Engineer's Technical Library: Spring 2008)
May 1, 2008... SEMCO's chilled beam cooling products are designed for use in nonresidential applications where there is a high cooling load and/or rooms that require individual temperature control. Chilled beams combine radiant cooling with conventional...

Haloguard[R] photoacoustic infrared refrigerant leak monitor.(Engineer's Technical Library: Spring 2008)
May 1, 2008... 2008 Thermal Gas Systems Product Guide for refrigerant monitoring and safety equipment, features new generation Haloguard[R] photoacoustic refrigerant leak monitors and SCBA personal protection for cost-effective compliance with ASHRAE Standard...

Marine insulation.(Engineer's Technical Library: Spring 2008)
May 1, 2008... [ILLUSTRATION OMITTED] Isover ULTIMATE reflects a new era in marine insulation materials, providing efficient thermal and acoustic insulation and excellent protection against fire. Because it's 20 to 50% lighter than standard mineral wool...

Fantech heat recovery & energy recovery ventilators.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Fantech has expanded its line of HRVs and ERVs for residential and commercial applications. Sizes range from the smallest Compact Series to new high performance commercial units that provide up to 3500 CFM. Selection also includes a new Pool...

New applied PTAC/PTHP units from McQuay.(Engineer's Technical Library: Spring 2008)
May 1, 2008... The new applied packaged terminal air conditioner and heat pump (PTAC/PTHP) from Mc-Quay[R] provides high efficiencies, a broad selection of features, exceptionally quiet operation and durable construction. The unit is available in a variety of...

Condensate return, boiler feed, vacuum return systems.(Engineer's Technical Library: Spring 2008)
May 1, 2008... Bulletin HP-1 covers custom-built condensate return, as well as complete boiler feed systems. Several 2' NPSHR pumps available as standard selections. Three series of vacuum return or boiler feed can accommodate special space requirements. Our...

Corporate brochure describes equipment and services offered.(Engineer's Technical Library: Spring 2008)
May 1, 2008... A 16-page color brochure describing the many different types of equipment and services offered by Nationwide Boiler is available at no charge to qualified companies and individuals. In addition to covering rental boilers, this comprehensive...

LEED points in a box!(Engineer's Technical Library: Spring 2008)
May 1, 2008... If you are looking for LEED points, the new Sierra DCV-20 can provide up to 6 LEED points in a single package. The DCV is a package RTU built for 100% Outside Air. Designed from the beginning to fully comply with ASHRAE 62.1. This unit is...

VelociCalc anemometer: advanced technology from TSI.(Engineer's Technical Library: Spring 2008)
May 1, 2008... TSI's VelociCalc[R] 9555 multi-function ventilation meter simultaneously measures air velocity, flow, humidity, temperature and pressure. The new 35mm Rotating Vane probe (shown) is ideal for confined spaces. Optional probes measure C[O.sub.2],...

Interconnection of chilled water plants.
May 1, 2008... What determines chiller plant loading? Do connected plants need to use similar pumping schemes? Is it better to run one chiller in multiple plants or multiple chillers in one plant? Draw on the author's experience for answers. Then learn how to...

It's time to get real-time.
May 1, 2008... In fact, the author asserts, we are already late in guiding and teaching good design incorporating real-time IAQ monitoring for VAV systems. Beyond examining Standard 62.1's suggested shortfall and a corresponding solution, we also review a new...

Terminal equipment with DOAS: series vs. parallel.(dedicated outdoor air system)
May 1, 2008... While there's no disagreement that DOAS systems require some supplemental equipment to handle remaining sensible cooling loads, a couple of schools of thought have evolved regarding the best way to arrange certain terminal equipment within the...

Multidiscipline group weighs efficiency strategy at Danfoss symposium.(Issues & Events)
May 1, 2008... Is the tide turning? In the face of looming energy challenges, are we within sight of a new era of personal, utility, corporate, and governmental focus on securing a stable energy future for the United States through commitment to efficiency...