Jeffrey D. Block's Page

BPI is the nation's premier standards development, quality assurance and credentialing organization for residential energy efficiency retrofit work.See More

Prove to us that enhanced home energy performance translates into enhanced resale value!See More

HVAC design, Manuals J, S, T, & D, Duct leakage, Air flow, ENERGY STAR new home requirements, and more. Since heating & cooling are such a big part of home energy use, understanding HVAC is critical.See More

Sharing ideas, tools and examples of promoting energy efficiency to consumersSee More

A hammer and a saw used to be the key tools for home contractors. Today, the best-in-breed also use high-tech equipment while performing a professional energy audit or verifying that construction has been done correctly.

In this group, members share an array of images from the field, showing the kinds of issues encountered by home performance professionals in real homes. Each tells a story of how hidden (but fixable) problems in homes can cause high energy bills.

Best Building, Retrofitting, or even Auditing Practices - what are they, what should change, what needs to find it's way to the dust bin of history?See More

This group is dedicated to knowledge sharing and discussion of infrared thermography for building sciences and energy applications.See More