Category Archives: Uncategorized

Changing colors on interior walls in drawing

August,13,2017 at 6:01 pm

We had a request from a contractor to make the drawing a little easier to interpret. He gave the drawings to the installers to for determining where to put the duct. But the light gray lines that separate the rooms made it a little difficult to read. We were able to fix that for him. read more»

Entering Transom Windows

June,21,2017 at 7:11 pm

So many new homes are using transom windows to add extra light in the rooms. In addition to the more light, however, these windows also bring in more heat from the solar gain. It is important to make sure you include them in the load.

Infiltration Pointers

April,13,2017 at 1:24 pm

The type of structure for your project will affect the infiltration. Many people miss some steps to get an accurate infiltration. Here’s what your missing.

Troubleshooting Tips

October,18,2016 at 5:33 pm

We recently were reviewing an RHVAC project where the Net Loss seemed excessive. We reviewed the construction material, the design weather condition, and the dimensions; everything that seemed logical place to create the problem. But everything seemed fine.

Converting a PDF for using in Drawing Board

September,8,2016 at 3:09 pm

Many contractors are now getting drawing emailed from builders and architects as PDF files. Drawing Board is the idea program to use for these projects. Drawing Board is an add-on program that works with RHVAC. Drawings can be imported into Drawing Board and all you have to do is “trace” over the drawing to get read more »

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