Problem Set 1.1: Name three requirements for installing a heat pump water heater? Problem Set 1.2: What key difference in 120V/15A HPWH models makes them good fits for gas retrofit installations? What are two potential use-cases for split-type HPWHs?
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Problem Set 2.1: What is the recommended size room for proper installation of a HPWH? List three common rooms in a typical home that would be a suitable location to install a HPWH. Problem Set 2.2: What operating mode typically ensures the most efficient operation for the HPWH? Why is it recommended...
Define Air Leakage
The movement of heat directly through solid materials from molecule to molecule is known as ____________ . Conduction Convection Radiation
Define SHGC
Define what “robustness” means as one of the three key features of infrastructure resilience.
Analyze and summarize in writing with one specific example how disaster resistant and resilient design can also be energy-efficient design, and as a result, cost efficient over time.
Describe (through their definitions) the difference between the following terms: licensed plumbing contractor, building code, and building standard.
When conducting duct leakage tests to comply with energy efficiency programs, who typically performs duct leakage measurement and documentation? A certified home energy rater. The resident/owner of the building. The contractor who installed the building’s ductwork. Anyone can measure and document...
Match the following terms with the correct definition. Definition Key Term 1) ____ The airflow rate in cubic feet per minute through a duct system that has been pressurized to 25 pascals. a) Air Sealing 2) ____ The process of sealing gaps and holes in the overall building envelope that cause drafts...
What are the components of a duct tester?
Under what conditions do the two duct leakage tests need to be conducted? What is the difference between duct leakage testing at “Rough-In” and testing done “Post-Construction”? For a home with a single duct system and more than 1,200 square feet of conditioned floor area, what must the total duct...
What is the approval leakage limit according to RESNET-approved testing protocol for total duct leakage testing for a home at rough-in?
The cooling efficiency for combustion heating equipment is expressed in terms of: AFUE SEER HVAC HSPF
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...
Which of the following statements is not true about how an energy standard is developed and revised? A. The entire process can take as little as two years or up to 10 years. B. Public review of standards commonly occurs 1 year after one of the ASHRAE annual meetings. C. Standards 90.1 and 90.2 are...
What is the requirement for strengthening unreinforced masonry bearing walls – specifically related to roof repair or replacement in buildings in Portland, OR? What was the effective date that the ordinance was required (google allowed to find answer)?