Fresh & Easy Neighborhood Market has opened the first grocery store in Southern California to use carbon dioxide (CO2) refrigeration. The store, located in Rosemead, is Fresh & Easy’s first to be GreenChill certified and is among four new stores that the company opened, including the 100th in California.

Butte College, a 21,000-student community college in Northern California, has announced its intent to become the first U.S. “grid-positive” college. Administrators plan to produce more electricity by solar power than the school consumes by adding approximately 15,000 solar photovoltaic (PV) panels by May 2011.

ARS/Rescue Rooter, a privately held, nationwide provider of air conditioning, heating, and plumbing services, has announced the purchase of the Residential Services Division of Beutler Corp. and the formation of a strategic alliance with Beutler in Northern California.

Kenneth D. Goodrich, founder and president of Yes! Air Conditioning and Plumbing, announced that he has purchased a new industrial building and an undeveloped land parcel in Las Vegas. Goodrich will lease the facilities to Yes! to accommodate the company’s expanding business operations.

The Carbon Monoxide Poisoning Prevention Act of 2010 (SB 183) has been signed into law by California Gov. Arnold Schwarzenegger. SB 183 requires existing homes and dwelling units to be outfitted with carbon monoxide (CO) alarms, beginning in July 2011.

Daikin AC (Americas) Inc. has named Brian Seiderman branch manager of the West region. Seiderman will be responsible for managing and overseeing regional sales activities and operations in 11 states located in the western United States.

SunLink® Corp. has announced that its roof module mounting system has begun shipping for one of the nation’s largest municipal solar installations, a 5 megawatt project located on the Sunset Reservoir in San Francisco.

Tropical Heating and Air Conditioning and Family Heating and Cooling have merged to form a new company called Zephyr Clean Air in Salt Lake City. According to Zephyr, it utilizes some of the world’s leading technologies to improve indoor air quality.

C&L Refrigeration, one of the largest industrial refrigeration contractors in the western United States, has announced the completion of an environmentally-friendly and energy-efficient design/build industrial refrigeration system for a new 570,000-square-foot food storage and distribution center in Fontana, Calif.

Arctic Commercial Refrigeration, a supplier of new and used grocery store refrigeration equipment, has announced the opening of an online store and a 2,700-square-foot showroom at its Gold Bar, Wash., location. The company has also increased the stock available in the showroom at its Sechelt, British Columbia, office.