Our Three Most Popular Calculators!
BTU Calculator
Calculate cooling & heating requirements for individual rooms based on size, exposure, and insulation.
Duct Sizing Calculator
Learn how to maintain your HVAC systems for optimal performance, longer lifespan, and lower energy bills.
Sizing & Selection Tools
BTU Calculator
Calculate cooling & heating requirements for individual rooms based on size, exposure, and insulation.
L/s to CFM Calculator
Convert liters per second to cubic feet per minute for airflow measurements. Bidirectional conversion with quick reference table..
CMH to CFM Calculator
Convert liters per second to cubic feet per minute for airflow measurements. Bidirectional conversion with quick reference table..
Air Filter Size Finder
Find compatible air filter sizes and types for your specific HVAC system model.
Mini-Split Zoning Planner
Plan multi-zone mini-split systems with room mapping and equipment recommendations.
TBD!
Efficiency & Cost Tools
SEER Savings Calculator
Compare operating costs and savings potential between different SEER-rated systems.
Operating Cost Calculator
Estimate monthly and annual costs based on local energy rates and usage patterns.
Payback Period Calculator
Calculate ROI timeline for HVAC upgrades and energy-efficient equipment investments.
Humidity Control Cost Calculator
Estimate costs for humidification and dehumidification systems based on target levels.
Geothermal Feasibility Tool
Determine if geothermal is suitable for your property and calculate potential savings.
Carbon Footprint Calculator
Calculate environmental impact of different HVAC systems and fuel types.
Maintenance & Troubleshooting
Maintenance Schedule Generator
Create personalized maintenance calendars based on system type, age, and local climate.
Refrigerant Charge Calculator
Determine proper refrigerant charge for various system sizes and configurations.
Problem Diagnosis Tool
Interactive troubleshooter to identify common HVAC issues through symptom selection.
Filter Replacement Reminder
Set up automated email or calendar reminders based on your system’s filter schedule.
Ventilation Rate Calculator
Calculate proper ventilation needs according to ASHRAE standards for different spaces.
Refrigerant Phase-out Guide
Interactive timeline showing refrigerant regulations and available alternatives.
Comparison Tools
Heating System Comparison
Compare furnace, heat pump, and boiler options for installation and operating costs.
Cooling System Comparison
Evaluate central AC, ductless, and evaporative cooling options for your climate.
Thermostat Selection Helper
Find the best programmable or smart thermostat based on lifestyle and system compatibility.
Air Quality Assessor
Evaluate potential IAQ issues and get recommendations for improvement solutions.
Allergen Reduction Planner
HVAC solutions recommendations based on local allergen data and user symptoms.
