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  • Users: Airforce2
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  1. Airforce2

    Freelance HVAC Engineer

    Hi, I am keen to market myself to MEP Firms as a Freelance HVAC Engineer. So far, I have just e-mailed out my resume and a cover note. With the resume and cover note, I kept things simple and to the point. However, I am not having much success in Firms taking me up on the offer. Several people...
  2. Airforce2

    HVAC Design/Drafting small business

    Hi, I run my own small business from home. It is a HVAC design and Drafting business. Our services range from design work, through to actual shop drawings for commercial and industrial projects. While this is a wonderful scenario and do feel very blessed, it does at times leave me feeling...
  3. Airforce2

    Are there any good AutoCad Lisp Programmers?

    I have a couple of HVAC lisp programs. They are awesome, but I need to modify them in order to have the lisp create to our standards. Are there any good lisp programmers that could have a look at the lisp I have and help me modify it? I am not very skilled at lisp and really need some help...
  4. Airforce2

    HVAC Lisp commands in metric

    Does anyone know of any good metric lisp routines for the following; Flexible connections Flexible ducting Ductwork I draft up my own designs and would like to speed up the drafting process where possible. I need to have it all in metric if possible. Thanks.
  5. Airforce2

    Having to resign - as much as I don't want to

    I moved to the USA about 12 months ago. I have loved it hear immensly. Loved the job, learning lots of new things and I just love the USA. Devastating news... Wife and kids are not adjusting and cannot stay here any longer. In fact, they have tickets booked and are leaving in a few weeks. I am...
  6. Airforce2

    LEED Green Associate Exam

    Has anyone completed the new LEED Green Associate exam yet? Can anyone give a report on what it is like? Is it in anyway similar to the previous LEEP AP exam? I took the LEED AP exam, but failed by 1 point (test result of 169). I have been so disapointed for months, but I am looking at trying...
  7. Airforce2

    Are Firms open to people working from Home in the USA?

    Hello; I am a Designer and do not have a P.E. I have approximately 10 years experience. I moved to the USA last year and have been working with a Firm. Before I moved to the USA, I operated my own small design business from home. I still operate that business and do that work ocasionally at...
  8. Airforce2

    LEED Exam

    I am located in North Carolina and intend to take the LEED exam around March this year. So far I have been to one LEED seminar (on schools) and am currently reading my way through the LEED for new construction book. This is such a "dry" read though and find it har to absorb at times. Has...
  9. Airforce2

    Give up business and move to USA with another company?

    I am faced with a HUGE decision here and I need to make an informed decision fast... For 4 years now (2003-present), I have operated my Mechanical Design (HVAC) business from home. It was a struggle in the early years, but this year I finally feel that all the hard work is paying off and my...
  10. Airforce2

    Closing Business and relocating to USA

    Hi everyone, I have been running my own business here in Australia for approx. 4 years now. I am involved in HVAC design and drafting as well as some minor plumbing design. A few years ago, we lived and worked in the USA for a couple of years. It was during this time that I fell head over...
  11. Airforce2

    Working from home as a Designer

    Hi everyone, I wanted to ask if working from home as a HVAC Designer is becoming more accepted in the industry? Has anyone had a difficult time convincing companies that this is a very possible way to work? I would really like to hear others experiences and opinions on this. Thanks in advance...
  12. Airforce2

    Eco Friendly HVAC Design

    I am not sure if I have posted this in the correct forum. If I have not, I sincerely apologize. I have been wanting to incorporate a more Eco friendly aproach in HVAC design for some time now. Does anyone know of a College/University (of good reputation) that has HVAC Design courses involving...
  13. Airforce2

    Design - Quote

    I have been asked to put in a quote for a project where I will be required to carry out design (heatload calculation etc) as well as drawings. It will be a very basic system. There will be a couple of roof mounted toilet exhaust fans also. The client has indicated underfloor ducting. I believe...
  14. Airforce2

    Filter Velocity Calculation

    Hi, I am new to calculating airflow velocities across panel filters and would really appreciate some help. Can somebody give me the formula to do this in metric? I have two units and one unit has an airflow of 971 L/s. Filter client wants to use is 1155mm X 450mm X 25mm. Thanks,
  15. Airforce2

    HVAC Air Balancing

    Hi everyone, I have just had a contractor ask me for a procedure/checklist in order to balance the air system in a commercial building. Does anyone know of any websites that deal directly with air balancing? I appreciate any assistance, thanks.
  16. Airforce2

    Need help with sizing a filter in metric

    Hi everyone, I feel silly for asking this, but this is a metric situation. I have been requested by a client to size a filter for a roof top unit. The unit is rated at delivering 1500 l/s and the client wants 1.7 m/s velocity across the filter. Would someone be able to assist me with the...
  17. Airforce2

    Lacking confidence in my position

    I now work for myself as a HVAC Designer for 2 different Consulting firms. I do the work out of my home office for these people. I also produce workshop drawings for for a number of HVAC firms. My problem lately is I am starting to loose confidence in myself and my work. I had a couple of...
  18. Airforce2

    Plumbing Design Book

    I was wondering if anyone can recomend a good plumbing design book for me to refer to? Any help and recomendations greatly appreciated. Thank you..
  19. Airforce2

    Static Pressure Calculator

    I was wondering if there is such a thing as a static pressure calculator that you can download? I am hoping to find something that I can use to check the static pressure against the fan curve. Thanks,
  20. Airforce2

    Value Engineering

    Hi Everyone, I am looking at furthering my knowlege in value engineering in regards to duct manufacture and installation. A lot of companies I deal with (and a previous company I worked at) had a set of methods and guidlines they followed to make duct installation and manufacture more cost...

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