Welcome to BETSRG

The Building and Environmental Thermal Systems Research Group(BETSRG) of Oklahoma State University is made up of researchers with common interests in this area that have been working together since the early nineties. The special interests of the group include building heat transfer, HVAC systems modeling, building energy simulation, hydronic heating systems, geothermal heat pump systems and ground loop heat exchanger technology.

Our research areas include:

Ground-source heat pump systems
Unitary Equipment
Heat Exchangers
Compressors
Building Heating and Cooling Load Calculations
Bridge deck and pavement de-icing
Whole building energy simulation

positions available

Check out our available positions

Learn more about working with BETSRG

Follow along for the latest student and faculty activity!

🌟 Exciting times at the Summer Bridge course with our amazing CIBS faculty and students at OSU! 🌟

A huge shoutout to our dedicated team—@moghimi.pouria, @hamidikramkhan, @zayed.97, and wonderful advisor, Dr. Christian Bach—for leading

Today, Monday, June 2nd, 2025, the Center for Integrated Building Systems' (CIBS) faculty had the honor of hosting Chris Schinnerer, Deputy Secretary of Energy and Environment for the State of Oklahoma for laboratory tours.
As part of the visit to Ok

🌎 Exciting Progress from the Senior Design Team: Off The Grid-Tiny House presented their work at the 2025 OSU CEAT Senior Design Expo last Friday, April 25th.

We are proud to share that our CIBS-affiliated research project is making great strides t

We're excited to welcome Doug Fox as our new Research Lab Manager at the Center for Integrated Building Systems! With a diverse background as a Mechanical Engineer and entrepreneur, Doug brings a wealth of experience to CIBS.

Doug is excited to sha

We hosted a special guest at our weekly CIBS lunch this week, Dr. Haotian Liu.

Thank you to all of our students and faculty for making our guest feel especially welcome today.
#CIBSosu #OKState #gopokes

Here are some photos of our students at the biannual CIBS meeting last week.

Comment if you got a job offer working for one of these IAB companies!

#okstate #phdstudent #undergraduate #interns #osuCIBS #researchandindustry

We will be hosting our Biannual CIBS Update & Strategy meeting next week. We look forward to seeing all of our Industry Advisory Board members collaborating with our faculty and students here at Oklahoma State University (@okstate).

#CIBSosu #g

CIBS members at the 2025 winter ASHRAE Conference in Orlando, FL earlier this week!

ASHRAE is an international society of more than 50,000 heating, refrigerating and air-conditioning professionals from over 132 nations dedicated to serving humanity

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News Items

News Items

CIBS research project focuses on refrigerant innovations

April 8, 2025

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OSU students attend refrigeration and compressor conference in Germany for exchange program

June 30, 2023

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CEAT hosts IRCC course for the first time

August 31, 2022