Effective Mechanical Ventilation for Multi-Unit Residential Buildings

Mark Salerno Canada Mortgage & Housing Corporation

Effective Mechanical Ventilation

for Multi-Unit Residential Buildings

1.CMHC Research

2.Effective Ventilation

3.Corridor Ventilation Systems

4.Corrective Actions

5.Alternative Approach

Effective Mechanical Ventilation for MURBs

Agenda

About Your Apartment Consumer Fact Sheets: • Solving Odour Transfer Problems in your Apartment

• Reducing Noise in Your Apartment

Research Highlights: • `99 – Corridor Air Ventilation System Energy Use in Multi-Unit Residential Buildings

• `02 – Field Testing of Positive Pressure Ventilation for Smoke Control in a High-

Rise Apartment Building

• `03 – Ventilation Systems for Multi-Unit Residential Buildings: Performance

Requirements and Alternative Approaches;

• `03 – Reduction of Air Intake Contamination in High-Rise Residential Buildings

• `04 – Field Testing of an Integrated Ventilation Space Conditioning (VSC) System

for Apartments

• `05 – Assessment of Suite Compartmentalization and Depressurization in New

High-Rise Residential Buildings

• `06 – Evaluation of Air Leakage Control Measures to Compartmentalize Newly

Constructed Suites in a High-Rise Residential Building

1. CMHC Research


www.cmhc.ca

Search Engine Driven

Available upon Request

2. Effective Ventilation

Filtration

Circulation

Distribution

Circulation

Supply

Filtration

Distribution

Circulation

Exhaust Supply

Exhaust


Key Features: Typical Dwelling Section


3. Corridor Ventilation

Undercut

Doors

Corridor Apartment

Operable

Window

Key Features:

Supply

Filtration

Distribution

Circulation

Exhaust

Typical MURB Section

Parking

Parking

Garage

Exhaust

Corridor

Supply

Filtration Suite

Exhaust



Corridor

Supply

Undercut

Doors

Corridor Apartment

Key Issues:

Systems can be

overpowered by:

Wind Effect

Stack Effect

Corridor Supply Air

may escape through:

Elevator Shafts

Garbage Chutes

Stairwells

Wind Wind


Parking

Parking

Garage

Exhaust

Suite

Exhaust

Filtration Operable

Window

Sta

ck

Eff

ec

t



Corridor

Supply

Undercut

Doors

Corridor Apartment

Key Issues:

To save energy,

parking garage exhaust

systems may be run

intermittently

When off, stack effect

can move exhaust

odours from garage up

into apartment units

Wind Wind


Parking

Parking

Garage

Exhaust

X

Suite

Exhaust

Filtration Operable

Window

Sta

ck

Eff

ec

t



Corridor

Supply

Undercut

Doors

Corridor Apartment

Key Issues:

Systems may not

effectively ventilate

corridor areas thus

allowing:

Smoke / CO transfer

Odour transfer

Particulate transfer

Dust Build-up in Suite

Noise transfer

Wind Wind


Parking

Parking

Garage

Exhaust

X

Suite

Exhaust

Filtration Operable

Window

Sta

ck

Eff

ec

t


4. Corrective Actions

Corridor Apartment

Seal Leaks:

Wind Wind


Parking

Parking

Garage

Exhaust

Building Envelope

Plumbing, Electrical &

Duct Penetrations

Apartment Entry Door

Fully Sealed

Partially Sealed

Add Door Filter

Add Door Filter

Suite

Exhaust

Operable

Window

Sta

ck

Eff

ec

t

Corridor

Supply

Filtration

Undercut

Doors

Fully

Sealed

Partially

Sealed

Door

Filter

Sealed

Envelope


5. Alternative Approach

Corridor Apartment

VSC Typical MURB Section

Parking

Supply

Filtration

Distribution

Circulation

Exhaust

Sealed

Suites

VSC

Unit

Suite

Supply

Suite

Exhaust

Filtration

Parking

Garage

Exhaust

Corridor

Supply

Filtration

Fully

Sealed

Heat

Recovery

Corridor

Supply (Reduced

Flow)

Integrated Ventilation

Space Conditioning


5. Alternative Approach

Mark Salerno Canada Mortgage & Housing Corporation

Effective Mechanical Ventilation

for Multi-Unit Residential Buildings

Effective Mechanical Ventilation for Multi-Unit Residential Buildings

Design

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