SVL Projects - Government

Hennepin County Forensic Science Building - Hydromx Nanofluid

The Hennepin County Crime Lab is one of six accredited crime labs in the state and provides forensic DNA, firearm examination, fingerprint database, and crime scene processing services. Due to the various chemicals in the building and services provided, the building is heated and cooled with 100% outside air, which can be an extremely costly way to condition a building.

Insatlling Contractor

Jaytech

Equipment Supplier

SVL, INC.

PERFORMANCE VERIFIER

CENTERPOINT ENERGY

Project Information

Location: Minneapolis, MN
Building Type: Government Building
Owner: Hennepin County

Highlights

  • The utilities measured 34.8% efficiency improvement after installation of Hydromx’s Nanofluid
  • The addition of Hydromx to the run-around loop qualified for both gas and electric rebates with a 0.8-year project payback

 

Challenge

Due to the various chemicals in the building and services provided, the building is heated and cooled with 100% outside air. Normally, this is an extremely costly way to condition a building. The building runs 24/7, has 14,000 CFM of OA and 11,000 CFM of exhaust air through the heat recovery coils.

Solution

After learning of Hydromx’s efficiency gain over glycol, Hennepin County decided to switch from glycol to Hydromx to improve the energy recovery performance.

Project Details

The Hennepin County Crime Lab is one of six accredited crime labs in the state and provides forensic DNA, firearm examination, fingerprint database, and crime scene processing services, along with other forensic services. Due to the various chemicals in the building and services provided, the building is heated and cooled with 100% outside air. Normally, this is an extremely costly way to condition a building.

To address the systems efficiency concerns SVL’s team changed the current glycol system to Hydromx energy-saving nano solution. The heat recovery loop inside of Hennepin County’s Forensic Science Building was installed in early 2018. The building runs 24/7, has 14,000 CFM of OA and 11,000 CFM of exhaust air through the heat recovery coils. After learning of Hydromx’s efficiency gain over glycol, Hennepin County decided to switch from glycol to Hydromx to improve the energy recovery performance.

The utilities measured 34.8% efficiency after installation of Hydromx’s Nanofluid. The cooling savings resulted in a $514 rebate from Xcel Energy, the electric utility. The heating rebate should have been $1,213; however, it was “clipped” to $321 due to CenterPoint Energy’s, the natural gas utility, limit of a minimum 1-year payback for natural gas savings.

CenterPoint Energy reviewed the performance of Hydromx at the end of the analysis period. Energy engineers calculated the effectiveness of the heat recovery coils during the heating and cooling season. After Hydromx was installed the effectiveness of the heat recovery coils improved by 34.8% in heat recovery. The increase in performance has been reviewed by CenterPoint and Xcel Energy and the addition of Hydromx to the run-around loop qualified for both gas and electric rebates with a project payback of 0.8 years.

To learn more about Hydromx’s energy recovery products or to learn more about SVL’s product solutions, please visit svl.com.

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