Mechanical design is the cornerstone of our expertise at Belfay Engineering. Properly designed systems provide the highest amount of comfort and efficiency for any sized room. Our mechanical engineers are continuously updating their training so they can remain experts in the code as well as the latest technology and techniques. Our scope of expertise covers most aspects of mechanical design from air handling systems to humidity and temperature control systems.

Belfay Engineering can also review existing plans for code compliance and construction feasibility.  We can analyze existing systems and help determine more efficient energy solutions, safety code compliance and energy audits.


Plumbing is an unglamorous but necessary component to every building project.  We are experts in designing plumbing systems that meet your needs but stay within all water efficiency standards.  We have designed plumbing systems for all kinds of buildings from multi-storied complexes to restaurants and hotels.


Belfay Engineering are experts in designing effective and reliable electric systems that will not only exceed your requirements and expectations, but can help conserve energy and save you money while doing so.  We can also design many kinds of specialized systems for lighting fixtures, fire alarms, security systems, UPS systems and grounding.

Our engineers are experts in code compliance and will work hard to understand exactly what you are trying to accomplish with your building and how we can best achieve that.



Belfay Engineering has been providing mechanical and electrical consulting services since 1984.  The majority of our projects are in the light commercial sector. Engineering services are based on technical expertise and judgement gained from years of experience.

We are Professionally Licensed in:

   New Mexico




We are dedicated to the superior service of our clients. Each project is assigned a Project Manager with numerous years of experience in designing and project management. There is also a principle available at all times to review drawings and discuss any concerns that might come up.

You can contact us by phone, email, fax or mail to discuss your next project. We look forward to hearing from you.



Phone:      (303) 892-5980
Fax:          (303) 892-5979

Mailing Address:
2811 West 9th Avenue
Denver, CO 80204


To apply for a job with Belfay Engineering, please send a cover letter together with your C.V. to:

Get a quote: 303-892-5980