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How to get Hot Water with a Recirculating pump - Ask this Old House
Video explaining how a recirculation line can save energy, money, and time.
Lecture to under the benefits of promoting focusing on selling heat pump water heaters for businesses.
These lecture notes provide information about the most common illnesses related to poor indoor air quality.
These lecture notes describe the importance of u-factors in window selection.
Insider: Tech tip: Water heater venting safety
Information on ideal location for HPWH placement in respect to providing adequate ventilation.
Level 3 instructions on the installation of Heat Pump Water Heaters. These instructions include acquiring permits (if needed), installation location, electrical/plumbing modifications (if needed), and initial start-up sequence necessary for installing a HPWH.
International Mechanical Code – Chapter 3 General Regulations, 2015 Update
International Mechanical Code Document - Chapter on General Regulations