How This Calculator Works
We created this calculator to help you discover how much your can reduce your energy consumption and energy bill for your HVAC system. Solutions accounted for by this calculator are automations such as occupancy sensing and multi-zone temperature sensing.
This calculator assumes that your heating and cooling are currently powered by AC (alternating current) electricity, which is the type of electricity distributed by power grids. It also assumes that your current system has no level of automation other than on-off controls (i.e. wall switches or thermostats).
First, this calculator estimates your total annual HVAC costs. Next, it subtracts the amount of energy that could be saved, from the original annual cost of heating and cooling.
Where Energy Savings Come From
By automating HVAC systems to respond to occupancy and other variables, energy can be saved by ensuring that power is provided to HVAC only when necessary.
DC Power Distribution
Many modern HVAC systems (such as those with variable speed motors) need DC (direct current) power to operate. This calculator only provides estimated savings based on the efficiencies provided by automation. However, it's worth noting that even more energy can be saved by distributing DC power to HVAC systems (if you have an HVAC system that operates on DC power). This is essentially because distributing DC power to devices that need it, eliminates the need for inefficient AC to DC conversions. You can read more about this on our blog.