ASHRAE Journal - January 2021 - 2

CONTENTS

January 2021

FEATURES

STANDING COLUMNS

What Insurance Do Building
Commissioning Providers Need
By Ross D. Montgomery, P.E.

51 Engineer's Notebook
Learning to Use Architectural
Acoustics in Engineering

14

By David Wright; Jeff Boldt, P.E.

Building Commissioners' Insurance

Preparing HVAC Systems
Before Reoccupying a Building
By John McCarthy, Sc.D., C.I.H.;
Kevin Coghlan, C.I.H.

22

By W. Stuart Dols; Lisa Ng, Ph.D.;
Brian J. Polidoro; Dustin Poppendieck;
Steven J. Emmerich;
Andrew Persily, Ph.D.

Special Sections

28

44 2021 AHR Expo Innovation Awards
66 Product Guide: Air Conditioning and
Refrigeration

Advertising Section

36

DEPARTMENTS
Commentary

6

12 Meetings and Shows

Industry News

110 InfoCenter

112 Advertisers Index

2

JAN UARY 2021

ashrae.org

ASHRAE JOURNAL

8

73 New Products and Technology:
January 2021 Special Section
Submissions: ashraejournal.submittable.com/submit
Archive: technologyportal.ashrae.org
Letters: sfoster@ashrae.org
Missing Issue: cservice@ashrae.org

Preventing Refrigerant Leaks

4

64 Refrigeration Applications
Hot Topic for 2021
By Andy Pearson, Ph.D., C.Eng.

Building Interfaces and Occupants

Preventing Refrigerant Leaks in
Heat Pump Systems
By Jon Harrod, Ph.D.;
Ian M. Shapiro, P.E.

Interview by Mary Kate McGowan,
Managing Editor

60 IEQ Applications
Tool Evaluates Control
Measures for Airborne
Infectious Agents

Preparing to Reoccupy Buildings

How Building Interfaces
Affect Occupant Experience
By William O'Brien, Ph.D., P.Eng.;
Julia Day, Ph.D.; Connor Brackley

56 Solving Problems
How Can Designers Increase
Boiler Energy Efficiency?

Letters

111 Classified Advertising

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ASHRAE Journal - January 2021

Table of Contents for the Digital Edition of ASHRAE Journal - January 2021

Contents
ASHRAE Journal - January 2021 - Intro
ASHRAE Journal - January 2021 - Cover1
ASHRAE Journal - January 2021 - Cover2
ASHRAE Journal - January 2021 - 1
ASHRAE Journal - January 2021 - 1a
ASHRAE Journal - January 2021 - 1b
ASHRAE Journal - January 2021 - Contents
ASHRAE Journal - January 2021 - 3
ASHRAE Journal - January 2021 - 4
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ASHRAE Journal - January 2021 - Cover3
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