Furnace Size Calculator | Find the Right Furnace for Your Home Furnace Size Calculator Find the right size furnace for your home based on square footage, climate, and other important factors. Home Square Footage: Climate Zone: Select your climate zoneHot (Southern states like Florida, Arizona)Moderate (Central states like California, Texas)Cold … Read more
Mini-Split Sizing Calculator Determine the right size mini-split system for your space by answering a few simple questions. Step 1: Room Dimensions Room Length (ft): Room Width (ft): Ceiling Height (ft): Next Step 2: Room Characteristics Room Type: Standard Room (Bedroom, Living Room)KitchenSunroom/PatioBasement Insulation Quality: Well InsulatedAverage InsulationPoorly Insulated Sun … Read more
Air Change per Hour (ACH) Calculator CFM (Cubic Feet per Minute): Room Volume (in cubic feet): Calculate ACH Air Changes per Hour (ACH): N/A if (isNaN(cfm) || isNaN(roomVolume) || cfm
Subcooling Calculator Measure your refrigerant’s subcooling level. Enter your system measurements below. Get accurate results instantly. Liquid Line Temperature (°F) Saturation Temperature (°F) Refrigerant Type Select refrigerantR-22R-134aR-404AR-410AR-407COther Calculate Subcooling Subcooling Results Subcooling Value: 0 °F System Status: – What This Means 0-5°F: Low subcooling (Possible undercharge) 6-12°F: Ideal range (Proper … Read more
Manual D Duct Sizing Calculator Calculate proper duct sizes for HVAC systems. Based on ACCA Manual D standards. System Information Airflow (CFM) Duct Type Flexible DuctSheet MetalFiberglass Duct Friction Rate (in. wg/100ft) 0.08 (Low Velocity)0.1 (Standard)0.12 (High Velocity) Duct Dimensions Duct Shape RoundRectangular Diameter (inches) Width (inches) Height (inches) Duct … Read more
Manual J HVAC Load Calculator Estimate heating and cooling loads for residential buildings. Follows ACCA Manual J standards. Building Information Total Square Footage (ft²) Average Ceiling Height (ft) Climate Zone 1 – Very Hot2 – Hot3 – Warm4 – Mixed5 – Cool6 – Cold7 – Very Cold Construction Details Wall … Read more
Temperature Difference Calculator Calculate the temperature difference between two measurements in Celsius, Fahrenheit, or Kelvin. Temperature 1: °C°FK Temperature 2: °C°FK Display result in: Same as input°C°FK Absolute value: Yes (always positive)No (show direction) Calculate Difference Temperature Difference Results: Difference: – Temperature 1 in all units: – Temperature 2 in … Read more
Heat Transfer Calculator Calculate heat transfer rates for conduction, convection, and radiation in various materials and conditions. Conduction Convection Radiation Conduction Calculator Material: AirWaterStyrofoamWood (pine)GlassSteel (mild)CopperCustom Custom Thermal Conductivity (W/m·K): Cross-sectional Area (m²): Thickness (m): Temperature Difference (ΔT in °C): Calculate Conduction Results: Heat Transfer Rate: 0 W Thermal Resistance: … Read more
Relative Humidity Calculator Calculate relative humidity based on temperature and dew point. This tool helps meteorologists, HVAC professionals, and weather enthusiasts determine atmospheric moisture levels. Temperature: °C°F Dew Point: °C°F Relative Humidity: % Calculate Humidity Reset How to Use This Humidity Calculator Enter the current air temperature Enter the dew … Read more
EER Calculator EER Calculator Cooling Output (BTUs): Power Input (Watts): Calculate EER EER Calculator (Energy Efficiency Ratio) EER Calculator (Energy Efficiency Ratio) – Measures cooling efficiency. Energy efficiency is a growing concern worldwide. One way to evaluate energy efficiency in cooling systems is by calculating the Energy Efficiency Ratio (EER). … Read more
