News + Blog

  • Energy Performance Management

    Prospecting for ‘Efficiency Reserves’

    Your tenants will tell you some of what you need to responsibly manage your building: it’s too hot, it’s too cold. But there are so many more energy savings hidden in your building, from not putting air pumps into overdrive to coolant at the right temperature, that we’ve given them a name: Efficiency Reserves.

  • Press Releases
    Manoa Marketplace

    From Sugar Cane to REIT: How Hawaii’s A&B Inc. is Finding Value by Saving Energy

    At nearly 150 years old, Alexander & Baldwin Inc. (A&B Inc.) knows something about longevity. The largest owner of grocery/drug-anchored retail centers in Hawaii was founded as one of the first ever corporations in the state. What started as a small sugar cane growing enterprise quickly expanded into an agricultural, shipping and real estate powerhouse.


    How Carbon Lighthouse Got Its CLUES

    In their first year in the energy efficiency business, Carbon Lighthouse founders Brenden Millstein and Raphael Rosen encountered a client who almost stole their thunder. When Millstein and Rosen first visited the building, an office building owned by Dostart Development, they saw that the owner had already changed out incandescent lightbulbs for LEDs and upgraded their HVAC system.

  • Careers

    How We Hire

    Hiring great teammates is the single most important thing Carbon Lighthouse does. Period. When done intelligently, hiring is a science, not an art.

  • Science

    How to Heat an Office – The Thermodynamic Secrets

    How do you heat a private office or any room for that matter? The challenge lies in the difference between two concepts: energy and temperature.

  • Science

    Sensible and Sensibilities: Different types of heat and why they matter

    There are two fundamental concepts related to how much energy cooling systems must use: sensible heat and latent heat. So which type of heat, sensible or latent, requires more energy to remove?

  • Science

    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 struggles to differentiate them.

  • Carbon Neutral

    Achieving Carbon Neutrality: Allowances

    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. They care called carbon allowances. Like Renewable Energy Certificates, carbon allowances have as a strong suit that they are verifiable. They are also limited in number, and cleared through the government and therefore much less susceptible to fraud.

  • Science

    Why Thermodynamics Matters for Buildings

    Using the principles of thermodynamics, we can keep people comfortable in a building while using energy in smarter ways. Thermodynamics teaches us numerous tradeoffs and rules that allow us to get the right temperature in the right place at the right time for the least amount of energy.

  • Science

    Lighting Insights – Efficiency, Efficacy, and Magic Number 683

    The difference between efficiency and efficacy is representative of the many issues that get ignored when discussing lighting and energy. But failing to understand this difference or the other nuances of lighting and energy, can turn what looks like great energy savings in theory into a poor investment.

  • Energy Performance Management

    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.

  • Energy Performance Management

    How to protect your investment with ‘savings persistence’

    From our experience working in buildings, it’s not surprising why measures may not perform as expected. It takes rigorous management to maintain performance.

  • Field Tested

    Field Tested: Products that Help you Understand your Building’s Energy Use

    It can be hard to discern what is actually best for managing energy usage in your particular building, especially because all tools come with real costs and limitations. Products should match the complexity of the building you run and the resources you have.

  • Energy Performance Management

    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. Actually achieving those energy reductions is a messy business.

  • Carbon Neutral

    Navigating Carbon Neutrality

    Carbon neutrality in theory is also not only a great way to improve the world, but also among the most market-efficient way to get there. If practiced universally would thwart the climate-changing gasses like carbon dioxide that pollute our air and oceans.

  • Carbon Neutral

    Achieving Carbon Neutrality: Offsets

    How do we get to Carbon Neutral reliably? There is always a limit at which point it’s no longer cost-effective to reduce your carbon impact, and that is where carbon offsets and allowances come in.

  • Field Tested

    Field Tested: Full Spectrum Lighting

    For decades, “full-spectrum lighting” has been a popular but misunderstood topic. While the marketing of “full-spectrum lighting” has been successful in convincing many buyers than it offers improvements over traditional fluorescent lighting, the reality is it does not. And it’s generally a waste of money, too.

  • Field Tested

    Field Tested: Bloom Box

    A Bloom Box is a hydrogen fuel cell. While the devices are technically sound, there are a few problems to be cautious of, in particular price and environmental impact.

  • Science

    How Occupancy Sensors Work

    Occupancy sensors can be extremely cost-effective tools for reducing energy use and costs. There are two main type of sensors: passive infrared and ultrasonic sensors.

  • Press Releases

    Alexander & Baldwin Partners With Carbon Lighthouse To Reduce Energy Consumption At Commercial Real Estate Properties

    Alexander & Baldwin, Inc. (A&B) (NYSE: ALEX) has teamed up with Carbon Lighthouse, a pioneer in Efficiency Production, to dramatically reduce the energy consumption of three well-known Oahu commercial properties, continuing A&B’s commitment to enhancing local communities and supporting sustainability throughout the state. Following a successful energy efficiency pilot last summer, A&B selected Carbon Lighthouse to implement its data-driven energy savings process at Pearl Highlands Center, Kaka`ako Commerce Center and Manoa Marketplace. The energy efficiency initiatives are expected to result in a lifetime reduction of more than 9,700 tons of carbon, equivalent to conserving over 22,600 barrels of oil. 

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