Carbon Lighthouse Blog

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Ready for solar? Learn how to pick the right partner

Market signals say solar is a "go" The solar industry is experiencing tremendous growth, both internationally and here in the United States. Solar PV installations will lead the nation in new power generation coming online for 20161, and the [...] Read More
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Ensuring Savings and Impact, the Ultimate Goals

Carbon Lighthouse’s commitment to guarantee revenue and deliver impact over the term of a contract is managed by a dedicated Energy Performance Team. This team is responsible for the ongoing managed energy service, and shares energy performance [...] Read More
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How to protect your investment with 'savings persistence'

Do energy savings persist? We all make investments in different forms – in bonds, stocks, investment trusts, or energy. How do we evaluate the return on our investments? How long do our investments continue to perform? Imagine you’ve made an [...] Read More
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Field Tested: Products that Help you Understand your Building’s Energy Use

Hundreds of products and tools are designed to help you make sense of how your building consumes energy. Amidst all the noise, it can be hard to discern what is actually best for managing energy usage in your particular building, especially [...] Read More
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How Implementing Our Own Solution Lets us Guarantee Savings

If you have ever worked with an energy efficiency consultant to study your building, you may know how deceptively simple the advice can be. In many ways energy efficiency is just common sense – turn that thing off when you don’t need it, fix that [...] Read More
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Navigating Carbon Neutrality

Carbon neutrality is not a phrase that rolls off the tongue, but what it lacks in suaveness it makes up for in importance. Every time you turn on a lightbulb or an air-conditioner, you are causing some amount of carbon dioxide pollution at a [...] Read More
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Achieving Carbon Neutrality: Offsets

We saw in the post about Navigating Carbon Neutrality what carbon neutrality is and why it matters. But how do we get there? And how do we get there reliably? The first step of course is reducing carbon emitting behavior within our control. [...] Read More
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Field Tested: Full Spectrum Lighting

For decades, “full-spectrum lighting” has been a popular but misunderstood topic. Its premise is that electric lights that produce the same wavelengths of light as the sun will confer improved health and mental cognition. But while the marketing [...] Read More
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Field Tested: Bloom Box

A Bloom Box is a hydrogen fuel cell. It’s popular among many Fortune 500 companies in particular thanks in part to generous incentives that have made its economics very attractive over the last five years. But there’s more to the story. It is an [...] Read More
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How Occupancy Sensors Work

Those blinking red lights on lights and light switches in bathrooms, hallways, and conference rooms, are (probably) not some government camera spying on you, but rather an occupancy sensor. This post looks at how they work. Read More
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Lighting Insights – Efficiency, Efficacy, and Magic Number 683

An incandescent light bulb is very efficient, 80% efficient in fact. Really. Read More
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Achieving Carbon Neutrality: Allowances

We looked at the history and variety of carbon offsets, but there is another way to achieve carbon neutrality that is little know about in business circles but well regarded in the energy and environmental community. Read More
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Why Thermodynamics Matters for Buildings

If you’re interested in reducing a building’s energy use without affecting comfort, then thermodynamics is for you. Thermodynamics is all about the relationship between temperature and energy. Using the principles of thermodynamics, we can keep [...] Read More
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The Difference Between Energy (kWh) and Power (kW)

Electricity costs for most commercial buildings are based both on the maximum power and the total amount of energy you use. Power and energy are different concepts, with very different costs, yet financiers, journalists, and pretty much everyone [...] Read More
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Sensible and Sensibilities: Different types of heat and why they matter

  That feeling of walking into an air conditioned building from the stifling heat outside is a joy of the modern age. The scientific principles that allow air conditioning to remove this heat and humidity are also fascinating. It takes energy to [...] Read More
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How to Heat an Office – The Thermodynamic Secrets

How do you heat a private office or any room for that matter? If your answer is “by adding energy to the room,” then there’s good news and bad news for you. The good news is that’s what most engineers and scientists would say. The bad news, you’d [...] Read More