How Oasis Helps General Contractors: I wanted to take a minute to thank you for the many years of incredible service you and Oasis Air have provided to Freiss Construction Group, and to me personally. Whether you are doing a new installation, servicing systems, helping us to answer questions for clients, guiding us during project preparation and budgeting, or anything else related to heating and air conditioning we can always depend on professional, timely and cost effective service.

You and your crews always make our company look good when you are on one of our projects. Your work site is safe and clean and Oasis Air always makes our clients welfare a priority I also want to thank you for all the pro bono service your company has provided over the years to Capistrano Valley Boys and Girls Club, and for their new Teen Centre. Oasis Air is number one in my book.

Sincerely
Ken Friess
FRIESS Construction Group
(949) 487-9700

Brian,
We completed the rough-in HERS duct pressure tests and the results were about the best we’ve ever seen. The allowable leakage per system is 4% of total fan flow, this amounts to 82.44 cfm for each system.

Here are the results:
The Basement zone system leakage came to 68 cfm (3.25%)
The 1st floor bedroom wings (left side of the house) zone total leakage came to 67 cfm (3.25%)
The 1st floor kitchen wing (right side of house) zone total leakage came to 34 cfm! (1.65%)
The 2nd floor HVAC zone total leakage came to 64 cfm (3.1%)

This was an exceptionally “tight” duct installation. I was very impressed with the quality of the installation of the ducts, fan coil units, and all the sheet metal, including the boots. The attention to detail was very obvious. In all the duct tests we’ve performed over the years we rarely see this type of high quality of an installation. Most of the time the system leaks very badly and we have to spend a great deal of time diagnosing where the leaks are. I took a lot of pictures that I hope to use in our duct testing training seminars to show what a quality HVAC installation is supposed to look like. These types of pictures are rare as most of the photo’s we show in our training are examples of what not to do.

Great working with you.

Mark Madison
Energy Code Works Inc.