File Size: 4.65 Mb
Content:-
* Codes and Standards Initiative - Sponsors* Mass Save Energy Code Technical Support
* Major HVAC Changes in the Code
* 2015 vs 2012 IECC
* MA Specific Modifications to 2015 IECC
* New MA Stretch Code
* Mechanical Ventilation
* What is the Right Ventilation Rate?
* R403.6 Mechanical Ventilation (Mandatory MA Amendment)
* Ventilation Airflow Rate
* R403.6 Mechanical Ventilation (MA Amend) Options Comparison
* Ventilation Strategies
* Exhaust-Only
* Supply Only
* Balanced
* R403.6.1 - Ventilation Fan Efficacy (Mandatory)
* Costs of Ventilation: Fan Power + Space Conditioning
* R403.6.2 Ventilation Verification (Mandatory MA Amendment)
* Measure it!
* R403.6.2 Ventilation Verification (Mandatory MA Amendment)
* R403.6.5 Ventilation Documentation (Mandatory MA Amendment)
* Keep Runs Short & Straight (Best Practice)
* Installation Quality (Best Practice)
* Heating & Cooling Equipment and Ducts
* R403.3.2 Duct Sealing (Mandatory)
* Application of Duct Mastic
* Largest Sources of Leakage
* R403.3.3 Duct Testing (Mandatory)
* R403.3.4 Duct Leakage (Prescriptive)
* Code Allowed Leakage Area
* Keep Ducts Out of Unconditioned Spaces (Best Practice)
* 5 Strategies to Bring Ducts Inside
* Conditioned Attic
* Avoid Ducts, Duct Testing
* R403.3.5 Building Cavities (Mandatory)
* R403.1 Controls (Mandatory)
* Proper HVAC Sizing, Condensing Furnaces & Boilers
* When Technology Changes
* The Real Question are
* Lets Look at Equipment First
* Old System Airflow for Heating
* New System Airflow for Heating & AC
* Why Has the Air Flow changed?
* New Furnace for Heating
* How Much Air Can the Existing Ducts Handle?
* Full Air Flow Regardless of Duct Size
* Since 2010, ECMs Self Regulate Watts and CFM as ESP increases
* Measuring External Static Pressure (ESP)
* Things to Consider
* Now That We Know How to Measure Air Flow
* Airflow basics – Pressure Loss
* Airflow Basics
* Heating CFM at Fan Setting & ESP
* If ESP is 0.80 iwc or less
* And Properly Sizing the Furnace to the 2017 Heat Loss?
* Equipment Sizing (Mandatory)
* ACCA Manual J Residential Load Calculation
* ACCA Manual S Worksheet Residential Equipment
* ACCA QI 5-2015 Free Download
* Oversized
* Reviewing Calculations
* General Requirements
* Safety Factors
* R403.2 Hot water boiler outdoor temperature setback
* Boiler Efficiency
* Condensing Boilers
Author Details
"Mike Schofield"
and
"Charlie McCracken"
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