Calculators

Estimate recommended furnace heating capacity in BTU/hour based on home size, ceiling height, climate zone, insulation quality, and furnace efficiency.

Estimate the recommended furnace heating capacity in BTUs per hour based on home size, ceiling height, climate zone, insulation quality, and home airtightness.

Estimate the recommended gas furnace output size in BTU/hr based on home square footage, ceiling height, insulation quality, and climate zone.

Estimate the recommended gas furnace output in BTU per hour based on home size, climate, insulation quality, and ceiling height.

Estimate the recommended electric furnace heating capacity based on home size, climate, insulation quality, and ceiling height. This calculator provides an approximate furnace size in BTU per hour for residential heating needs.

Estimate the recommended furnace heating capacity in BTUs based on home square footage, ceiling height, climate zone, insulation quality, and home age.

Estimate furnace thermal efficiency based on useful heat output compared with fuel energy input, with an adjustment for steady-state operating conditions and annual degradation from system losses.

Estimate annual furnace fuel cost based on home heating demand, furnace efficiency, fuel type, fuel price, and local climate severity.

Estimate the hourly operating cost of a furnace based on heating output, efficiency, fuel type, fuel price, and runtime. This calculator converts furnace output to fuel energy input, applies efficiency losses, and estimates total operating cost for the selected hours of use.

Estimate how much it costs to run an air conditioner based on its power usage, daily runtime, local electricity rate, number of days used, and cooling efficiency.

Estimate the recommended air conditioner size in BTU/hour based on room area, ceiling height, climate, sun exposure, and occupancy.

Estimate the recommended air conditioner cooling capacity in BTUs per hour based on room size, ceiling height, sun exposure, insulation quality, and occupancy.

Estimate the recommended air conditioner tonnage based on room area, ceiling height, climate, sun exposure, and insulation quality. This helps size a residential cooling system for typical home spaces.

Estimate the recommended air conditioner size in BTU per hour based on room area, ceiling height, climate, sun exposure, and occupancy.

Estimate the recommended air conditioner size in BTUs and tons based on room area, ceiling height, sun exposure, insulation quality, and number of occupants.

Estimate the recommended air conditioner capacity in tons based on room size, ceiling height, climate, sun exposure, and occupancy.

Estimate the running wattage of an air conditioner based on cooling capacity, efficiency rating, unit type, and operating mode. This calculator helps compare expected power draw for different AC setups.

Estimate the electricity used and operating cost of an air conditioner based on its cooling capacity, efficiency, daily runtime, local electricity rate, and number of days used.

Estimate the electricity cost to run an air conditioner based on power draw, daily usage, electricity rate, cooling season length, and AC efficiency type.

Estimate the recommended air conditioner tonnage based on room area, ceiling height, insulation quality, climate zone, and sun exposure. This helps size an AC unit for typical residential spaces.

Estimate the recommended central air conditioner size in tons based on conditioned floor area, ceiling height, climate zone, insulation quality, and sun exposure. This provides a planning estimate for cooling capacity before a professional Manual J load calculation.

Estimate the recommended cooling capacity for a room in BTUs per hour based on room size, ceiling height, sun exposure, occupancy, and kitchen heat load.

Estimate the recommended BTU capacity for a window air conditioner based on room size, ceiling height, sun exposure, occupancy, and kitchen use.

Estimate the recommended BTU capacity for a portable air conditioner based on room size, ceiling height, sun exposure, number of occupants, and heat-producing electronics.

Estimate the recommended room air conditioner capacity in BTU per hour based on room size, ceiling height, sun exposure, occupancy, and kitchen heat load.

Estimate the recommended air conditioner size in BTU per hour based on room area, ceiling height, sun exposure, climate, and occupancy.

Estimate the recommended air conditioner capacity based on room size, ceiling height, climate, sun exposure, and occupancy. The result is shown in BTU/h.

Estimate the recommended air conditioner capacity in BTU per hour based on room size, ceiling height, sun exposure, climate, and number of occupants.

Estimate the recommended air conditioner capacity in BTUs based on room size, ceiling height, sun exposure, occupancy, and kitchen heat load.

Estimate the required HVAC capacity in BTU/hour based on home size, ceiling height, climate, insulation quality, and sun exposure.