Why Build Zero Energy Homes?

…typically lag behind “best practices” for insulation, air sealing, ventilation, and equipment efficiency, the most recent code cycles are narrowing the gap. Most states currently operate under the 2009 or…

Zero Energy Builder Profile: Anthony Aebi of Greenhill Contracting Inc.

…photovoltaic solar panels and geothermal heating and cooling, combined with super insulation and air tightness. Insulated concrete form (ICF) walls, triple-pane glass, and heat recovery ventilation complete the system. As…

From Disaster to Opportunity: Rebuild for the 21st Century

…drywall, flooring, and insulation. In many cases, these homes will need to be gutted, which provides an excellent opportunity to add more insulation and maximize air sealing. Once a building…

Low-Cost, High-Value Opportunities to Reduce Embodied Carbon in Buildings

…high recycled material content may not be available at a low cost premium in other regions. Insulation material selection can be a significant factor in project-level embodied carbon, with insulation

Exterior view of two-story home and lawn; hand holding infrared imaging gun in foreground shows heatmap of front facade - photo

DOE Targets Air Leaks in Path to Zero Carbon

…prioritizes insulation and other air-sealing strategies—especially those that limit disruptions for occupants during renovations. More research is needed on panelized walls, drill-and-fill insulation, and window retrofits to prove their effectiveness….

Person adjusting a wall thermostat with dollar sign symbol on the display - closeup photo

Four Heating & Cooling Myths Costing You Money

…isn’t up to the job, insulation issues are to blame. Addressing these issues can be simple. Look for DIY weather-sealing solutions like adhesive barrier tape that can be applied to…

Image of tree bearing "fruit" of heat pump water heaters - Image by Barb Burwell

The Unsung Success Story of Increased Efficiency (And Why We All Need More of It)

…our home that reduce energy use through their operations. Think efficient appliances, insulation, LED lighting, etc. (shower heads are a personal favorite), along with what we call the “big moves”…

Smiling Caucasian family sands close together on deck of modern SIPs home - photo

Start with SIP Panels: Cost Savings, Efficiency, Health, Resilience

…to quickly attach siding and trim. And since the insulation is part of the system, you get higher performance with less on-site work. Research has shown 55% to 66% savings…

Energy Saving Tips

The following 18 simple, energy saving tips can get you started on the path to zero right now, today….

Remodeling on the Path to Zero for Homeowners

If you’re not ready to move or build a new home, consider remodeling the home you live in now. Remodeling or retrofitting existing homes so they are significantly more energy…

One of The World’s Most Air Tight Home: 0.05 ACH@50 Pascals

…sealed the HRV vents where they penetrate the vapor barrier: Zero Homes: What are the risks of condensation occurring on the plastic sheeting? Tom Marsik: Because of the massive insulation

Financing Renewable Energy and Energy Efficiency Upgrades for Existing Homes

…is often a challenge. In this blog we explore available options for homeowners and contractors financing energy upgrades to existing homes, such as adding insulation, air sealing a home, installing…

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