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HVAC Concepts (HVACC)
Controls Contractor, System Integrator, and Manufacturer
  • HVACC has been in business over 19 years -- concentrating on controlling and monitoring facilities throughout the Washington, DC Metropolitan area.
  • HVACC identified the change in the control industry from proprietary to interoperable systems and has made substantial investments in understanding, integrating and supporting LonWorks based systems.
  • HVACC has maintained and supported all of its installed systems. Over 99% of all systems ever installed in the company's 19 year history are still running at 100% capacity.
  • HVACC operates a 24-Hour Monitoring and Service Center to handle alarm functions and customer service needs.
  • HVACC can select, install, integrate, and support LonWorks based products from hundreds of manufacturers including products from leading national controls companies. This enables HVACC to select the BEST product available for the application.
  • HVACC is an Authorized Tridium System Integrator and is experienced in presenting LonWorks, Bacnet, Modbus, and several proprietary control networks via the web with the Tridium JACE Controllers.
  • HVACC is committed to continue developing its web site and web services to provide easy access to: (1) support data (control drawings, data sheets), (2) site data (alarm information, service call tracking, multiple site reports, utility reports), and (3) software and site specific file updates.

Topic: HVACC / Company

The new items published under this topic are as follows.

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 HVACC: Cranes, Cranes, Cranes -- Part II
Friday, March 28, 2003 - 06:03 PM

HVACC / Company Update - Even more cranes now (17 total).

If the number of cranes are an indicator... the economy in Washington must not be too bad.  There are even more cranes visible outside the frame. Photo Credit - Chris Kaufman, NAC. [Full Size 905k]

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 HVACC: Special Report From ASHRAE: Guidance for Building Security (January 26, 2003)
Thursday, March 13, 2003 - 04:26 PM

HVACC / Company Excerpt from

"A new risk management strategy for building owners to use in determining their level of risk in regard to extraordinary incidents has been issued by ASHRAE.

The report, Risk Management Guidance for Health, Safety and Environmental Security Under Extraordinary Incidents, was presented at ASHRAE's 2003 Winter Meeting held Jan. 25-29."

Links to Documents on
Ashrae News Article
Executive Summary
Full Document

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 HVACC: Emergency Shut-Down of Air Moving Systems
Wednesday, February 26, 2003 - 11:24 PM

HVACC / Company Click Here to View/Download PDF Version


To: Our Valued Clients

Re: Emergency Shut-Down of Air Moving Systems

HVAC Concepts, Inc. (HVACC) has been receiving many requests regarding the ability of your KPS Building Automation Systems (KPS) to shut down all air moving systems upon command from a workstation (terminal) or other manual input in the event of an emergency.

There are several issues regarding this concern that we would like to bring to your attention:

(1) It is important to understand that the KPS is not classified as a life/safety protection system! The KPS has the ability to shut down connected equipment to optimize energy consumption, but was never intended to provide life/safety protection. Users should understand that most KPS connections are wired in a manner allowing them to be easily overridden (bypassed) for service purposes, defeating the automatic functionality. Other KPS connections may be installed where other controls or safeties can force the connected equipment on or off. In contrast, a system designed for life/safety purposes is wired so it can never be bypassed or overridden.

(2) All ventilation systems are not normally connected to the KPS as they are designed to run constantly or come on automatically. Exhaust fans, specialized pressurization fans and other ventilation units would need to be considered in any attempt to lessen air infiltration into a building. Shutting fans down and closing dampers will reduce the amount of outside air infiltrating a building but would not eliminate it.

(3) HVACC is not aware of any formal codes from governmental agencies regarding chemical or biological attacks. Ashrae has released a set of guidelines "Building Health and Safety under Extraordinary Incidents". We also must make it clear that we are not experts in protecting buildings from these or other sorts of attacks.

HVACC can perform software and/or hardware modifications to accomplish a specific, customer designed, sequence of operation but cannot consult or advise any action or remedy to provide this type of protection as we do not possess the expertise required. Our only warranty on installations such as this is that we will service the equipment installed if it fails. HVACC will not assume any other liability installations or modifications that could be perceived as life/safety protection.

Although HVACC will test the sequence of operation thoroughly upon completion we strongly recommend that any such installation/modification be tested routinely to help ensure all equipment is operating as intended. We strongly urge you to seek a qualified, licensed consultant specializing in these areas.

HVAC Concepts, Inc.

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 HVACC: Awsome Flag
Friday, February 14, 2003 - 02:53 PM

HVACC / Company This is a beautiful photo of a giant flag in Arizona.

The photo is authentic and unretouched. The picture was taken on regular Kodak 35mm film and developed at Wal Mart. The person who took the picture couldn't believe the image created by the sun's rays. Nice of them to share with the world!


Note: This photo arrived via an e-mail message. We couldn't resist passing it on.

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 HVACC: Domain Name Change to
Sunday, December 29, 2002 - 02:05 PM

HVACC / Company The HVAC Concepts, Inc web site located at can also be reached at   Several years ago, when we registering our domain name someone purchased after we had done several searches for it... so we had to settle for  The domain name recently became available and we quickly registered it.  Both domain names will continue to work indefinatly with the primary domain name for the web site being  Hurray!

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HVAC Concepts, LLC / 5123 Pegasus Court - Suite T / Frederick, MD 21704 / (301) 670-0044
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