Startup SynapSense said today that it has pulled in $7 million in financing for its wireless energy-efficiency systems, designed to cut down the carbon footprint of energy-hungry data centers. The Folsom, Calif.-based startup offers a wireless monitoring system that tracks real-time thermal, pressure, and humidity readings to help data center operators spot ways to cut energy use. SynapSense said its system can help save up to 20 percent on energy costs. The company is also looking to expand its expertise into other, non-data-center markets, as well. Earth2Tech has the full story.