Welcome to
The CHERP Network:

Driving Energy Efficiency
and Economic Recovery

Case Studies

Case Study: Saving Energy and the Earth

Before the Assessment: home energy audit upgrade Claremont

"We care a lot about the Earth and think it's important to use less energy. It made sense to invest in something that would save energy in the long run." The homeowners learned from the audit that their windows…

Read more

Case Study: Saving Money and Energy

Before the Assessment: Home Retrofit project program

The homeowners "wanted to save energy, and right now there are a lot of rebates and we wanted to take advantage of those." There were a few improvements they wanted to do for their house anyway, and the rebates…

Read more

Case Study: Investing in Comfort

Before the Assessment: Replace Heating system California

The house had old heating and cooling systems that were not as effective as the homeowner would like. The homeowner was ready to invest in new systems.

The Retrofit:

They replaced their old…

Read more

Case Study: 1895 Historic Claremont Home

Before the Assessment: Home Retrofit Project Claremont

This two-story, 2,200–square-foot house on a raised foundation had a mixture of new and original features: wood siding; wood single- and double-paned windows; lathe and plaster walls as well as drywall; knob and tube wiring in the attic; package…

Read more

Case Study: Dependable Heating

Before the Assessment: Home Energy Audit Huntington Beach

The homeowners of this one-story, 1,425-square-foot home complained that their house "used to be so cold - we just could not get comfortable - and the utility bills were high! With our old heating and cooling system, everyone in…

Read more

Case Study: Full Retrofit

Before the Assessment:

Furnace and AC retrofit project This one-story, 1,900-square-foot house on slab concrete foundation had never been remodeled and had all of its original features: steel-casement windows, large sliding glass doors, original furnace, and in-floor ducts and vents.

The Retrofit:

Low attic insulation;…

Read more

Case Study: Self-Sufficiency

Solar panel project california The Assessment:

The attic needed better insulation. The homeowner wanted to install solar panels, so new electrical upgrades were needed.

After the Retrofit:

Due to the offset from the solar panels, the homeowner pays $0 on electrical bills.

Testimonial:

Read more

Case Study: Dependable Heating

Before the Assessment: home energy audit project

The homeowner wanted to make their home more comfortable. They were "concerned about future energy use and availability, and wanted to do the right thing."

The Retrofit:

They repiped the house and put in a new system for hot water,…

Read more

Case Study: A Clear Conscience

new insulation retrofit house Before the Assessment:

The air conditioning unit was too large for the house and wasted energy. The insulation in the attic had been eaten by rats. 

The Retrofit:

New insulation in the attic; new ducts; new, easy to use heating and air conditioning;…

Read more

Case Study: Climate Control

Home retrofit efficient energy air conditioner Before the Assessment:

The homeowner knew the heating system was not only safe, but was also inefficient. The audit pinpointed the location and extent of these inefficiencies.

The Retrofit:

They installed a mini split air conditioner. They also added new insulation.

Read more