HVAC After-Hours Cost Calculator

Enter your building details below to estimate after-hours HVAC costs, factoring in infiltration, occupant latent heat (via presets), and depreciation.

Building Information

Building Location (City):

Building Type:

Net Leasable Area (sq ft):

Window Area (%):

Number of Tenancies:

Electricity Rate ($/kWh):

HVAC System Type:

HVAC Efficiency (COP) [Optional]:

Building Insulation Level:

Occupancy Count (After Hours):

Occupant Latent Preset:

Infiltration Options

Infiltration Preset:

Custom Infiltration (CFM):

Enter a positive number to override the chosen preset above. (Presets are CFM/ft² × Area)

Capital & Depreciation

HVAC Capital Cost ($):

HVAC Lifespan (years):

Annual Operating Hours: