Roofing and Insulation Calculators

Roof Shingle Calculator

Estimate how many bundles of shingles you need based on roof area, pitch, and waste factor.

Calculate how much insulation you need for walls, attics, and floors based on area and target R-value.

Estimate how much you could save on heating and cooling costs by upgrading your home insulation.

Find out how much attic ventilation you need to meet code and protect your roof from heat and moisture damage.

Estimate how long it will take for solar panels to pay for themselves based on system cost and energy savings.

Calculate what size generator you need to power your essential appliances and circuits during an outage.

Estimate how long your carbon filter will last based on usage, water quality, and filter capacity.