Video on how to address duct leakage to outdoors. Provided by Department of Energy, Building America Solutions Center
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Guidance for contractors for duct retrofits where the cost and benefit analysis is detailed. Includes duct evaluation and ductwork test (duct leakage testing), duct sizing, cost estimates of retrofits.
Illustration of a Ducted Heat Pump System
Illustration of a Ductless Mini-Split heat pump system
These lecture notes provide information about the efficiency ratings of HVAC systems.
The cooling efficiency for combustion heating equipment is expressed in terms of: AFUE SEER HVAC HSPF
Video that discusses electrical and plumbing penetrations in homes.
Understand how to determine the current properties of an electrical panel and if needed, the modifications to apply to be ready for a heat pump water heater installation. These notes encompass capacity calculations/calculators and knowing electrical loads.
Detail view of a standard residential electrical panel with and without cover and labels
standard electrical panel for a residential building with labels
Main breaker for a residential building
standard NEMA 5-15 plug pulled from the wall with labels
Presentation on electrical panels
An electrical panel’s ___ should be evaluated before installing a heat pump Age Size Type When switching from fossil fuel heating system to electric heat pumps, the required electrical panel assessment includes which of the following? Evaluation of the existing panel size Whole house electrical load...
Match the following Key Terms with the correct definition. Definition Key Term ____ is attached to ground rods that ensure the electricity always has a safe path to ground, which prevents electrocution Neutral bus bar ____ are large electrical terminals that carry electricity to the circuit breaker...
Calculate the electrical load for a 2,500 square foot single-family home using the following appliances: 3 appliance circuits 5,000W range 1,000W dishwasher 5,600W clothes dryer 15,000W baseboard heating (resistance heaters) You can use the following assumptions: 3 VA per square foot for lighting 1...
1. True or false: If you perform a load calculation and adding a new appliance, like a heat pump, exceeds the home’s panel capacity, the panel must be upgraded to allow for the new appliance. 2. What is the first thing to do when considering an electrical upgrade to a home, like installing solar...
A description of electrical panels and the role they play in the installation of a heat pump water heater
standard residential outlet with and without labels
Understanding the properties of an electrical panel. Including an electrical panels size, components, and other key relevant terms.