HVAC Retrofits
HVAC Retrofits RSS Feed RSS

Geary Community Hospital
Case In Point

Kansas hospital achieves big city IAQ, efficiency

January 2, 2014
When Geary Community Hospital (Junction City, KS) underwent a $34 million expansion, it was promised a cutting-edge HVAC design that would reduce maintenance costs, increase energy efficiency, and provide unprecedented IAQ.
Read More
Building Automations
Building Automation

DDC Or Pneumatic?

Energy savings isn’t the only factor when considering a controls retrofit.
Paul Ehrlich P.E.
December 1, 2013
Much of our work involves energy studies and retrofits to commercial buildings.
Read More
oversized pumps

Are There Hidden Problems In Your Hydronic Boiler Project?

Putting a new boiler in is a lot more complicated than just putting a new boiler in. You’re often taking ownership for any problem, real or potential, anywhere in the hydronics system.
Ray Wohlfarth
Ray Wohlfarth
December 1, 2013
Designing a commercial boiler replacement where you were not the original designer or installer might have some hidden dangers that could haunt you for years.
Read More
magnetic bearings, silver globes

Chiller Retrofit: The Attraction Of Magnetic Bearings

With multiple expansions and projects, a DC-area hospital also had to plan for cooling that could keep up with developing demands and spaces.
Richard M. Heim, P.E., LEED AP Paul J. Orzewicz, P.E.
November 1, 2013

When the facilities management staff of Mount Vernon Hospital completed an assessment of its central chilled water plant, it became evident that while the original chillers had served the hospital well since its opening in 1975, they were ready for replacement.


Read More
Building Automations
Building Automation

Upgrading Aging Building Automation

Is it time for an update or a full replacement? Here are some factors to think about when evaluating mechanical systems.
Paul Ehrlich P.E.
September 23, 2013
Often when we are evaluating or assessing an existing building, we are on the lookout for equipment and systems that are in poor condition or approaching the end of life.
Read More
RED BUBBLES, RED BACKGROUND

VRF Heat Pumps In The Real World

Wide temperature swings, submetering deficiencies, bloated carbon footprint … these are but three of the problems tackled in two contrasting projects in the Northwest.
Marcia Karr, P.E.
September 1, 2013
How is variable refrigerant flow (VRF) working for you? We asked a number of people that question and summarized the findings from two typical facilities here.
Read More
Editor's Note
Editor's Note

A Plan And A Plant

A philosophy plus the usual opportunities made for real savings. What about where you work?
Robert Beverly
August 29, 2013
Since energy efficiency is a big part of what this industry pursues on behalf of society at large, I always like to see examples of what companies and firms are doing internally to conserve resources. This month, A.O. Smith celebrated progress on that front at its plant in McBee, SC.
Read More
graph, calculator

The (Cost) of DOAS/Radiant

If a design team is lucky, it faces a system choice between “good” and “very good.” However, it’s not always simple to tell which is which.
Cindy Cogil P.E., LEED AP BC+C
August 29, 2013
Engineers are rethinking the standard engineering design paradigm, using lifecycle cost analysis (LCCA) to compare system alternatives that fulfill the same functional requirements but differ in terms of initial and operating costs.
Read More

Sign Up. Stay Informed.

The #1 trusted source for the HVACR industry since 1926

SUBSCRIBE