Diamond Certified Resource Home Energy Efficiency Guide
Diamond Certified Resource Home Energy Efficiency Guide
Find out about home water heaters and recent innovations for saving energy, more efficient water heaters, tankless water heaters, and more.

Installing double-pane windows can quailfy you for federal tax credits. Learn more.

To maximize your home’s energy efficiency, it’s important to address commonly overlooked details. Here are five places to start.

What are radiant barriers? These attic heat barriers keep homes comfortable, increase home efficiency, and save money on heating and cooling. Learn how.


Posted By Matthew Solis
EL CERRITO — Some people think air filters are all the same, but this is far from the case. While the heating and cooling systems in many homes have standard, one-inch fiberglass filters, the reality is that these do little to improve indoor air quality—they’re only good for filtering out very large airborne particles. To get better filtration for your HVAC system, consider upgrading to a MERV 13 air filter. This four-inch pleated filter removes particles down to the level of viruses and bacterium, which makes it at least 60 times more effective than a standard filter. In addition to the quality of the filter you choose, another consideration is how often you replace it. Read more
It’s your insulation contractor’s responsibility to install quality insulation using the best techniques, but you also play a role in the success of your insulation project.
What are radiant barriers? These attic heat barriers keep homes comfortable, increase home efficiency, and save money on heating and cooling. Learn how.
Out of sight, out of mind? Your dirty attic might be causing health problems and costing money. Learn how attic insulation, cleaning and ventilation can help.
Learn why it's worthwhile to invest in recommended improvements to your attic.
