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...
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ENERGY STAR - Ask the Experts - Do Heat Pump Water Heaters Work in Cold Climates?
Information on ideal temperature ranges for HPWHs.
ENERGY STAR - Considerations – Heat Pump Water Heaters (HPWHs)
Things to consider when choosing HPWHs over other types of water heaters.
ENERGY STAR - Energy Star Ask Experts: When Should You Replace Your Water Heater
How to know when to replace your water heater
ENERGY STAR- How it Works – Heat Pump Water Heaters (HPWHs)
A brief explainer on the concept of moving heat integral to HPWHs.
ENERGY STAR: HPWH Sales Guide
Sales guide of HPWH from ENERGY STAR. Published May 2021
ENERGY STAR: Is a Heat Pump Water Heater right for your home?
Information on HPWH provided by ENERGY STAR.