Windows and Interior Calculators

Blinds Calculator

Calculate the right blind dimensions for inside or outside mount installations on any window size.

Find out how much fabric or how many curtain panels you need based on window width and fullness preference.

Estimate the heating and cooling load for your home to find the right HVAC system size in BTUs and tons.

Calculate the correct duct diameter or dimensions to deliver the right airflow to each room in your home.

Compare your current AC system to a higher-efficiency model and see how much you could save on your energy bill.

Find the minimum CADR rating you need to effectively clean the air in any room based on size and air quality goals.

Estimate the BTU capacity needed for a mini split system based on room size, climate, and insulation level.

Calculate the correct return air vent size to keep your HVAC system balanced and running efficiently.

Find the right whole house fan CFM rating to cool your home effectively based on square footage and ceiling height.

Match a portable air conditioner to your room size and get the BTU rating you need for effective cooling.