Current Issues in Residential Ventilation
[June '04]
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-Status of Proposed Changes to OBC Section 9.32
-Some HRV's Sold in Ontario do Not Comply with 9.32.3.11.(2)
-B-Vented Gas Appliances in New Homes
-Exhaust Fans Vented into Attics/Soffits
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Proposed Changes to 9.32 or Reinventing the Ventilation Requirements [June '03]
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-Review of Changes Proposed to Section 9.32 arising from NBC Proposals
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Carbon Monoxide Detectors - Current Status
[Feb. '03]
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-Carbon Monoxide Detectors Changes arising from Oreg283-2001 (August 2001)
-Current & Past Application, location, standards, installation
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Bath Fan Flow Measurement [Aug. '02]
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-Techniques for measuring bath fan flow to meet CSA F326 req.
-Professional Flow-Hood; Minneapolis Bath Fan Flow Meter; CMHC Garbage Bag
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Tales from the Duct [June '02]
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-HRV-"off" when in "re-circulate" mode
-Fan outlet size and manufacturer's recommended duct size
-Range hoods supplementing TVC
-Exhaust fans in garages
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Stale Air Stories [Dec. '01]
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-HRV's not self balancing
-Falsehoods about Principle Fan location
-Changes in HVI Sone ratings
-CO detectors mandatory in new homes
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On-Line Resources for Ventilation Code Enforcement [Aug. '01]
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-Websites for: HRAI Certified Persons; HRAI Certified Products Catalog; OMH; CMHC
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What is the Status of "Mixing Boxes" Under Section 9.32? [Feb. '01]
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-Part 6 Design, Make-up Air, Requirement for certified ventilation equipment
-Equivalent to HRV?, application to Solid Fuel Appliances
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Are Exhaust Ducts permitted to Terminate Inside Attics or Soffits? [Dec. '00]
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-Exhaust duct termination and insulation rules
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Ventilation for Cottages, Bunkhouses, Live/Work Units, Dormitories & Monster Houses, or When is Part 6 Ventilation Design Required for Dwelling Units [Aug. '00]
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-More than 4 Bedrooms
-More than Normal occupant loads
-Non-solid fuel Natural Draft
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What about Charts that Show XX Airflow @ XX Feet of Duct [June '00]
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-Duct Sizing Calculation
-HRAI Ventilation Manual
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Is Plastic Flex Duct Allowed for Bathroom Fans? [Feb. '00]
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-Requirements for Bathroom exhaust ducts, flammability
-Exhaust duct insulation requirements
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Do Bathrooms and Kitchens Really Need Exhaust Fans if they have Openable Windows? [Dec. '99]
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-Mechanical Exhaust vs Natural Exhaust
-local exhaust requirement, section 9.32
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Woodstove/Fireplace Installation in a New Home: What are the Ventilation System Options? [Oct. '99]
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-Part 6 Design, depressurization calculation, depressurization test.
-qualified ventilation designers
-back-spillage, CO defectors, HRV + CO Detector 9.32 option
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Woodstove/Fireplace Installation in an Existing Home: What Happens to the Ventilation System? [June '99]
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-Rules depend on permit issuance for original building
-CO Defectors, Depressurization test per CSA F326
-Qualified testers
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HRAI Certification Card System Expanded to Include Residential Heat Loss & Gain, Residential Duct Design [April '99]
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-HRAI Certification Programs, Arbitration-Decertification
-Rubber Stamps vs Wallet cards, application to permit submissions-Lists of certified persons
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Oil Combustion Equipment & Ventilation Requirements: A Case Study - Part 2 [Feb. '99]
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-Part 6 ventilation design for Type III houses
-House depressurization test, 5 Pa limit
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Oil Combustion Equipment & Ventilation Requirements: A Case Study - Part 1 [Dec. '98]
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-9.32 rules for combustion venting, natural vs induced draft
-Used appliance installed in a new building
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Why are the Venting Classifications Different for Fireplaces? [Aug. '98]
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-Section 9.32 combustion venting classification
-particular rules and exceptions for non-solid fuel fireplaces
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Is an HRV all you need if a Natural Draft Combustion Appliance is Installed? [June '98]
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-Section 9.32 reference to Part 6 Ventilation Design
-Part 6 Rules for pressure control in the presence of Natural Draft
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Potable Hot Water (Combo) Heating Systems: What are the Requirements [April '98]
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-Potable Hot Water Heating and the UCG (Uniform Canadian Guideline)
-Common problems, UCG outline, code reference, contact point
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Inspector Operator Information Resources [Feb. '98]
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-Information resources available for consumer/home buyer education
-CMHC, ONHWP, NRCan, HRAI, Labels, Manufacturers, Complaints
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HRV SYSTEMS: What is the field Experience? [Dec. '97]
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-CMHC Field Survey of HRV Ventilation Systems
-What works, what doesn't work, what can be improved
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Labels on Switches: How can such a small thing be such a BIG Problem [Oct. '97]
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-Section 9.32 switch requirements
-Circulation fan/Ventilation Fan, where to get labels
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Oil Side-Wall Vented Equipment. Positive Venting or Not? [June '97]
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-Section 9.32 Combustion classification
-recognition of combustion venting systems features
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OBOA Residential Ventilation Course [April '97]
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-available OBOA course
-Content, benefits, comments from students
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Duct Sizing Myths & Mysteries [Feb. '97]
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-fan outlet size vs duct size
-9.32 table limitations, Part 6 duct design
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HRAI Ventilation Certification Cards [Nov. '96]
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-HRAI Certification, arbitration, decertification
-wallet cards, certification of drawings
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Using the HRAI Ventilation Record for System Compliance [Aug. '96]
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-Part 6 Design for Residential ventilation Systems
-Performance Certification, Depressurization tests
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Are Switches Required in Exhausted Rooms when a Central System is Used? [June '96]
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-Section 9.32 ventilation designs
-Supplemental Fans, central fans, HRV's, Local Fan Switches
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3-Way or Not 3-Way Switches for Principal Exhaust Fans? [Feb. '96]
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-Section 9.32 ventilation designs
-Supplemental Fans, central fans, HRV's
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Can B-Vented Furnaces be Classified as Induced Draft? [Dec. '95]
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-Section 9.32 Combustion Appliance Type Identification
-House Type, B-Vent Chimneys, CSA F326 depressurization (5 Pa), test
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Connecting to the Forced Warm Air Return Duct...Which Hardware Can Be Used? (Part 4) [Aug. '95]
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-Simple outdoor air ducts
-Motorized Dampers, Bi-metal (thermostatic) dampers, Mixing boxes
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Outside Air Connections to Warm Air Systems for Make-up Air...Part 6 Rules (Part 3) [Aug. '95]
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-Part 6 ventilation designs, make-up air
-Spillage susceptible non-solid fuel appliances
-CSA F326 depressurization limits (5 Pa), calculation, test
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1993 Building Code Ventilation Requirements......How are they Working? [April '95]
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-field investigation of new code requirements, recommendations
-air quality differences between system types, training and flow-balancing
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Minimum Return Air Temperatures in Warm Air Systems...WHY? (Part 2) [Dec. '94]
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-problems arising from low temperatures
-continuous furnace blower use
-B-vent chimneys
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Outside Air Connections to Warm Air Systems...What are the Rules? (Part 1) [Oct. '94]
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-Minimum return air temperatures-design
-outdoor air "mixing boxes", installation rules
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No More High Temperature Plastic Venting..... What to do about the Ventilation System? [Aug. '94]
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-Plexvent, Selvent, Ultravent & mid-efficiency furnaces
-Heating and ventilation Systems options
-B-vented appliances & OBC Rules
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What Switches Go Where for Ventilation Systems? [June '94]
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-Part 9 Ventilation Rules
-Principal, Supplemental, Circulation Fan Switches
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Part 6 vs Part 9 in the OBC (Ventilation) [Feb. '94]
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-Part 9, prescriptive ventilation systems
-Part 6, designed
-overview of OBC rules for residential ventilation systems
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Can Range Hoods be Used for Ventilation Under Section 9.32 Rules? [April '94]
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-range hoods & other supplemental fans
-total ventilation capacity
-fan sound ratings
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HRAI and OBOA programs Concerning New OBC Ventilation Rules [Dec. '93]
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-OBOA & HRAI Ventilation Training courses,
-Compliance forms
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Requirements for Supplementary Heat in Habitable Basements [Oct. '93]
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-Habitable/Walk-out Basements
-alternatives to "just stick in a baseboard"
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A Look at the New 1992 HRAI Digest [Aug. '93]
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-Heat Loss/Gain, duct design methods
-overview of changes from 1986 Digest
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Fan Requirements; Safety & Performance CSA 22.2 #113, HVI [Dec. '92]
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-bath & range hood fans-safety certification requirements
-performance (airflow and noise) ratings; Home Ventilation Institute (HVI) Certification
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