One of our readers asked us this question - we'd love any feedback you have:For the climate in Denver, do air source heat pumps with natural gas furnace backup make sense from an energy savings and…Continue
Started this discussion. Last reply by Jose Macho Apr 25.
Hi all! One of our readers sent us the following question. Can you please help him out?"I clean air ducts and would like to expand into duct testing. What is a common fee to test for air duct leakage…Continue
Started this discussion. Last reply by Home Energy Magazine Jun 25, 2012.
It has come to my attention that there may be a building science-based conflict in the language of the 2012 International Residential Code (IRC) and 2012 International Energy Conservation Code (IECC).
The 2012 IECC sets the mandatory blower door tested and certified air infiltration rate at 5 ACH50 in CZ1 & 2 and an even tighter 3 ACH50 in CZ 3 and above. The problem lies in the fact that the new…Continue
Posted on June 19, 2013 at 1:09pm
As energy auditors and raters went about their business of testing homes, performing energy audits and HVAC system inspections, they discovered and reported certain “problems” to the homeowners of Texas. For example, they reported that HVAC systems were oversized, or suffering from massive duct leakage! In late 2011, The Texas Department of Licensing and Regulation (TDLR), which oversees the HVAC industry,…Continue
Posted on June 19, 2013 at 11:07am
Most of us will agree that it’s technically feasible to build homes that consume dramatically less energy than today’s typical home. And in most locations we can build a home that draws net zero energy from the utility. But it’s economics that makes us hesitate. Specifically, it’s the value of those energy savings. Can the additional investment be offset by anticipated reductions in energy costs? It’s the same thing for retrofits of existing homes: Do the lower energy bills justify the…Continue
Posted on March 1, 2013 at 12:00pm — 5 Comments
The Appraisal Institute’s An Introduction to Green Homes is yet another valuable tool from the Institute, paving the way for appraisers to handle green home assignments. The book, authored by long-time appraiser, REALTOR, and educator Alan Simmons in 2010 helps appraisers new to this work “know what they don’t know.” The book equips appraisers to identify green building certifications, techniques,…Continue
Posted on January 9, 2013 at 10:11am