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Newsletters

Single-Zone, CO2-Based Demand-Controlled Ventilation

Clarifying the relationship between carbon-dioxide level and ventilation rate

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Optimum Buildings

Optimum Buildings

OPTIMUM BUILDINGS CONFERENCE & EXPO – is dedicated to maximizing the performance of building mechanical and automation systems though superior design, product specification, operation, and maintenance.

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From the Field

Have a new product to publicize? Want to spread the word about a new hire? These and other announcements can be posted in From the Field, a new blog providing the latest on HVACR-industry developments. All submissions are subject to review and editing by HPAC Engineering editors. To post on the blog, click the “Register” link on the From the Field page. Questions? Contact Executive Editor Scott Arnold at scott.arnold@penton.com.

In the News

Titus HVAC Presenting Free Webinar on Displacement Ventilation

Titus HVAC, provider of air-management products and design tools, will present a free Webinar intended to help engineers gain confidence in designing with displacement-ventilation products Jan. 31 at 2:30 p.m. CST....

Emerson Climate Technologies E-book on Compressor Electronics Complete

“Understanding Compressor Electronics,” a free e-book by Emerson Climate Technologies, is now complete, with all four chapters available on the company's Website....

Polygon Introduces iPhone app for Psychrometric Calculations

Polygon, the North Andover, Mass.-based provider of property-damage-restoration, temporary-humidity-control, and property-performance services, recently launched PsycIt, an iPhone application allowing users to promptly and accurately calculate the properties of air on site. ...

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Featured Columnists

Weil I'm Thinking of It ...

'It’s the End of the World As We Know It'
State of the Industry

Reinventing the Wheel ... DOE Style
Editor's Notes
Getting Acquainted With Social Media
Managing Your Facilities

Deregulated Energy Markets Raise Questions
Engineering Green Buildings

Achieving Net Zero Requires Innovative Thinking
Liability & Litigation

Rules for Challenging LEED Certifications Changed

TechLit Online

Total Installed Costs (TIC) - A More Complete Way To Compare HVAC Systems

A truly comprehensive comparison of upfront HVAC costs includes equipment plus potential hidden costs like design costs, installation tooling, rigging, building modifications, and controls integration. ...

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HPAC Conferences

OPTIMUM BUILDINGS CONFERENCE & EXPO
is dedicated to maximizing the performance of building mechanical and automation systems though superior design, product specification, operation, and maintenance.


COMMERCIAL HVACR SYMPOSIUM (formerly the Design-Build Seminar) – a highly powerful learning experience that will show contractors how to make the most of new opportunities in the commercial HVACR market and how to apply them to their businesses.

New Whitepaper

Portable Spot Air Conditioners as Permanent Cooling Solutions for Office Data Centers
Using a building’s central air-conditioning system to cool an office data center can be costly. Installing a precision cooling system or mini-split can also be expensive, and in leased spaces, is usually prohibited. This paper examines the benefits of using portable spot air conditioners as a less-expensive, permanent solution.

See all HPAC White Papers

The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) has partnered with Penton Media's Mechanical Systems Group to produce AHRI Trends, a twice-yearly publication spotlighting industry trends affecting contractors and technicians.

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Product Spotlight


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Networked Controls Plus


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Innovative Solutions

Product Reviews of some of the best new HVACR technology...

Best of 2011!

Best of 2011!


Here are HPAC Engineering's top articles of 2011.
Click here to see if your favorites made the list!

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