Search results for: “conditioning”
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Air conditioning: energy demand sensitivity?
This data-file quantifies air conditioning energy demand. In the US each 100 variation in CDDs adds 26 TWH of electricity (0.6%) demand and 200bcf of gas (0.6%). Air conditioning already consumes 7% of all global electricity and could treble by 2050.
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Air conditioning: energy consumption?
The average US home uses 2,000 kWh of electricity for air conditioners each year. Air conditioning energy consumption is broken down from first principles in this data-file, as a function of temperatures, humidity, heating days, household size, insulation and coefficient of performance (COP). What routes to lower the air conditioning energy demand and CO2 emissions?
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AirJoule: Metal Organic Framework HVAC breakthrough?
Montana Technologies is developing AirJoule, an HVAC technology that uses metal organic frameworks, to lower the energy costs of air conditioning by 50-75%. The company is going public via SPAC and targeting first revenues in 2024. Our AirJoule technology review finds strong rationale, technical details and challenges.
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Costs of home heating technologies
Residential heating will likely cost 5-30c/kWh, with a CO2 intensity of 0.1-0.4 kg/kWh. Gas fired boilers are lowest cost, even after paying $50/ton for carbon offsets. Electric heat pumps are most efficient. Oil furnaces and electric heaters are higher-cost and higher-carbon. The numbers can be stress-tested in this data-file.
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Phase change materials: technology leaders?
This data file identifies the technology leaders in phase change materials, by compiling a screen of the latest 5,800 patent filings from over 125 companies. We find progress ranging from venture stage firms through to mega-caps.
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Economic costs of climate change?
This data-file contains our estimates into the economic costs of unmitigated climate change, using the latest disclosures from the IPCC as a framework. We estimate the total costs could reach $1.5trn per annum, including productivity losses, incremental energy costs and more prevalent natural disasters.
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Metal organic frameworks: challenges and opportunities?
Metal organic frameworks (MOFs) are an exciting class of materials, which could reduce the energy penalties of CO2-separation by c80%, and reduce the cost of carbon capture to $20-40. This data-file screens companies developing metal organic frameworks, where activity has been accelerating rapidly, especially for CCS applications.
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Power generation: sensitivity to high-temperature heatwaves?
This data-file aims to provide a simple model for how generally well-covered grids can fail catastrophically during a heatwave. We have drawn on technical papers to quantify the deterioration of solar, gas, transmission and distribution losses, wind and other generation sources at higher temperatures.
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Building automation: energy savings, KNX case studies and companies?
High-quality building automation typically saves 30-40% of the energy needed for lighting, heating and cooling a building. This matters amidst energy shortages, and reduces payback times on $100-500k up-front capex. This data-file aggregates case studies of KNX energy savings, and screens 70 companies, from Capital Goods giants to private pure-plays.
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Residential energy consumption over time?
Global residential energy demand runs at 2.5 MWH pp pa, of which c40% is from electricity, 40% is gas, c13% is biomass and c7% is oil. In our gas and power models, electrification rises to 65% by 2050, to help renewables reach 50% of global electricity. Heat pumps improve efficiency and lower primary demand in the developed world.
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