Students proposed upgrades to the HVAc systems in Science D and E. The implemented project also incorporated monitoring based commisioning as an additional part of the project scope.

 In Spring 2010, HEIF received a proposal to “virtualize” 40 of Humboldt’s computer servers into four newer ones. Rapid advances in computer technology enables this consolidation, and for HEIF the new machines’ increased efficiency and fewer total number results in a net savings of electricity and reduced air conditioning of server rooms.

In 2014, the Marine Lab Seawater Circulation Retrofit addressed Cal Poly Humboldt’s (Humboldt) most energy intensive building, the Telonicher Marine Lab. The lab hosts students and guests for educational purposes related to marine sciences. The seawater recirculation system transports ocean water into the building’s live marine exhibits.  Water must constantly move through the filtering system to simulate movement and mimic a natural marine setting. At the time of the proposal, the pumping system of the seawater circulation used two oversized pumps.

The retrofit proposes to install a dedicated heating and ventilating (HV) system to the UPD to separate the heating system from the rest of the Student & Business Services (SBS) building. 

In 2012, this project was proposed to convert the main Natural Resources building air distribution system (Air Handling Unit-1) from a constant air volume system to a variable air volume system. The conversion would reduce gas and electricity consumption by allowing AHU-1 to provide an appropriate amount of air in a given moment rather than constantly providing maximum air. This project was defunded by the Committee in 2024.

This project provides funding for Humboldt campus departments/areas/offices that have completed a Green Workplace Assessment with the student group Green campus. Money is intended to fund energy efficient equipment that Green Campus identifies as being outdated or in need of replacement in order to achieve energy savings and energy efficiency. This project was defunded in 2024 because no projects were ever identified as being appropriate for this match funding.

In 2014, the Humboldt Energy Independence Fund allocated $60,777 to fund a retrofit of the Experimental Greenhouse located by Science D on the Humboldt campus, which had not been retrofitted since its original construction in the 1960s. The proposed retrofit included upgrades to the boiler system, water piping system, fans, and gas meter, will increase building use and decrease natural gas usage over a 20year lifespan. This project was defunded by the Committee in 2024.

This project provides LED lamps, autoswitching power strips, and socket timers to individual offices as a part of the Green Campus Green Workplace Assessment process, in order for the campus to gain actual kWh/year savings. This project was defunded in 2024 because small widgets such as LED desk lamps, power strips, and socket timers have not been used in many years and no longer align with campus needs and systems. 

In Spring 2016 Bryann Allen, Austin Anderson, and Solomon Clark from the Renewable Energy Student Union (RESU) proposed to replace the old natural gas water heater with an electric heat pump water heater with solar thermal coil preheating in the CCAT house. In total there is one outdoor unit and one indoor unit. The RHEEM hybrid electric air-to-water heat pump system provides hot water to both levels of the house. The electric heat pump and solar preheat system replaces the inefficient natural gas water heater which had a broken coil.

This project proposes installing a system that consists of magnetic sensors placed at parking lot entrances and exits, an LED display sign, and a mobile web page that informs drivers of current parking conditions. The proposed locations are parking lots: G1, G11, G12, G13.