Heating

EPA Rules for Boilers in Effect

Tue, 21 May 2013 16:04:00 +0000

First deadline for major-source facilities May 31

The deadline for facilities to submit an Initial Notification of Applicability to meet the U.S. Environmental Protection Agency's finalized regulations for boilers (known as Boiler MACT or BMACT) is May 31, 2013, for major-source boilers and Jan. 20, 2014, for area-source boilers.

Power-Plant Reliability, Availability, Maintainability

Mon, 20 May 2013 16:06:00 +0000

By BRIAN WODKA, PE, CEM, LEED AP; RMF Engineering Inc.; Baltimore, Md.

Military protocol being adapted for power plants

Asked to name the most important trait of a power plant—reliability, availability, or maintainability—most building owners and operators would say reliability. But is it really?

Cogeneration Keeps the Beer Cold at New York City Distribution Warehouse

Tue, 16 Apr 2013 20:09:00 +0000

Grid independence, sustainable future draw cheers

A combined heat-and-power plant provided the solution when a New York City beer distributor consolidated its operations.

JoGar Energy Services Relocates

Tue, 02 Apr 2013 16:54:00 +0000

Firm led by HPAC Engineering Editorial Advisory Board member Gary Wamsley

JoGar Energy Services, provider of on-site technical reviews, inspection services, and training seminars led by HPAC Engineering Editorial Advisory Board member Gary W. Wamsley, PE, CEM, has relocated to South Florida.

Hydronic Equipment, Controls Fill Apartments’ Vacancy for Modern HVAC

Thu, 28 Mar 2013 18:59:00 +0000

By DAN VASTYAN, Common Ground, Manheim, Pa.

Solar thermal and photovoltaics also part of retrofit

At the 15-acre, 428-unit Tanque Verde Apartments complex in Tucson, Ariz., the 3-decades-old hydronic heating and cooling system was found to be leaking underground. Tenants complained about a lack of controllability, while repair bills mounted. Making matters worse, equipment was outdated, bandaged, and in desperate need of replacement.

Air Infiltration: The Hidden Energy Efficiency

Wed, 27 Mar 2013 18:47:00 +0000

By Nate Gillette, AIA, LEED AP, CEM; Energy Finance Analytics LLC; Grand Rapids, Mich.

Standards—and architects’ and engineers’ responsibilities—are changing

Air infiltration long has been a little-understood or even ignored factor when it comes to energy efficiency in commercial buildings. Engineers understand it exists, but tolerate its existence by simply accounting for it in heating- and cooling-system design.

Guide to Selecting Control Valves

Wed, 27 Mar 2013 17:39:00 +0000

THE GLOBAL FIELD DEVICES BUSINESS; Honeywell Inc.; Golden Valley, Minn.

Determining application requirements is the first consideration in proper HVAC- and hydronic-valve selection

When selecting valves for HVAC and hydronic systems you must first consider the application requirements and then consider the characteristics necessary to meet those requirements.

Duct-Sealing Technology Eliminates Leaks at Ultraluxurious Condominiums

Mon, 04 Mar 2013 20:12:00 +0000

By AEROSEAL

Internal sealing process reduces leakage by 90 percent

Using an aerosol sealant to seal ductwork from the inside saved a luxurious condominium complex thousands of dollars in project costs while proving minimally disruptive to residents.

Commissioning Uncovers Opportunity for Energy Savings

Mon, 04 Mar 2013 19:37:00 +0000

By KEVIN KOSS, PE, LEED AP; ACS; Madison, WIS.

Seek out artificial inefficiencies in HVAC systems, and it is likely you will find them

Building commissioning agents owe their clients the attention required to fine-tune their heating, air conditioning, and ventilation systems.

Geothermal Systems for Commercial Facilities

Thu, 24 Jan 2013 16:51:00 +0000

By CHRISTOPHER QUALLS, PE, CEM; Smith Seckman Reid Inc.; Houston, Texas

Options available to design engineers and building owners looking to reduce costs

With the inception of the LEED (Leadership in Energy and Environmental Design) green-building rating program and stricter ANSI/ASHRAE/IES Standard 90.1, Energy Standard for Buildings Except Low-Rise Residential Buildings, and ANSI/ASHRAE Standard 62.1, Ventilation for Acceptable Indoor Air Quality, requirements, the geothermal industry has evolved. This article provides an overview of the wide array of geothermal options available to design engineers and commercial-building owners seeking to sharply reduce operating costs.