The American Society for Testing and Materials, ASTM codes and standards is the biggest association to design and publish the rules and standards for the processes that guide the manufacturing of metals. All the members who participate in the devising of ASTM standards are volunteers selected on the basis of their knowledge and ability to comprehend the rules.
The ASTM or the American Society for Testing and Materials is considered to be the base of all the rules and standards that…Continue
Added by Daina Martin on February 25, 2015 at 12:55am — No Comments
Generation of power through renewable energy resources has increased in good numbers over the past. Wind power is one of them. There are various pros and cons of…Continue
Added by Mclean Harry on February 11, 2015 at 1:55am — No Comments
Mini-Split Heat Pumps are Quirky and Still Effective
The name "mini-splits" generally refers to heat pump systems with one outdoor unit and one or several smaller capacity air handlers. The efficiency of their operation comes via the inverter compressor and variable refrigerant…Continue
Weatherization is about more than just energy efficiency. It has always been about the health and comfort of the weatherized home’s occupants as well. For a long time these benefits of weatherization have been called “non-energy benefits.” But the health effects of weatherization have now taken pride of place alongside energy benefits. Now there is new research showing increased health and well being among families whose homes have been weatherized. A recent Home Energy article—available…Continue
Added by Jim Gunshinan on March 13, 2014 at 4:00pm — No Comments
Real estate investor Kassi Pelley had bought and sold a number of “fix-and-flip” homes in metro Denver when she fell down the rabbit hole of green building and certifications. She’s gotten a price bump – the “green premium” – on every home she’s upgraded and certified since, and she hasn’t…Continue
There are many advantages of geothermal heat, but the main one is that there is no boiler or furnace needed to burn fuel.
As you are…Continue
Added by Bill Meehan on September 6, 2013 at 8:13am — No Comments
On two separate Quality Assurance site visits in the past two weeks I've detected elevated levels of Carbon Monoxide (CO) coming from attached garages. I was a bit surprised at this since neither garage contained a car - let alone any active source of combustion. So I did some digging and came up with this great resource from Iowa State on the topic. From my reading of…Continue
We all know what humidity is - it is the cause of the mold on the ceiling in the bathroom. Humidity is what happens to the bathroom mirror during a shower. Humidity is why we have an exhaust fan in the ceiling of the bathroom. Humidity is why a hot summers day in …Continue
In my last four HVAC Design jobs, I've specified ductless mini-split heat pumps. I have four more such jobs underway now.