Business and trade mathematics
HVAC and refrigeration calculators
Budget service work and measured energy costs using equipment-specific readings, schedules and service records. These tools do not size systems.
Refrigeration operating energy cost
Calculate measured refrigeration electricity cost across operating schedules.
Open calculator →HVAC service agreement profitability
Price expected visits labor travel and supplied incident scenarios.
Open calculator →Refrigeration defrost energy cost
Price scheduled defrost heater operation independently of cooling load.
Open calculator →Cooling equipment efficiency payback
Compare entered annual kWh for two quoted cooling options.
Open calculator →HVAC callback cost
Quantify margin lost to nonbillable return visits.
Open calculator →HVAC maintenance visit capacity
Find annual visits possible from technician calendar and observed durations.
Open calculator →HVAC filter replacement economics
Budget supplied filter-change intervals, filter purchases and change labor; any measured energy comparison is separate.
Open calculator →Refrigeration door heater energy cost
Price measured anti-sweat heater duty cycle and an alternate schedule.
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