The Renwaves Journal
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Learn everything about renewables and energy systems, from engineering notes and calculation guides to DIY tips for homeowners and businesses.
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Building Energy
HVAC
HVAC
Cooling Tower Sizing: Step-by-Step Calculation With a Worked Example
Learn cooling tower sizing step by step with a worked 30 m³/h example: heat load, air flow, plan area, fan and pump power, and makeup water.
HVACCooling Systems Compared: VRF, Chillers, VAV, Splits & Evaporative Cooling
Compare VRF, chillers, VAV, ducted splits, packaged units and evaporative cooling by cost, efficiency, humidity control and building type.
HVACHeating Systems Compared: Heat Pumps, VRF, Boilers & More
Compare heat pumps, VRF, boilers, electric resistance, furnaces and central heating systems by efficiency, cost, climate fit and installation needs.