Yes, spray foam estimates are free.
At least with Green Apple Spray Foam Insulation. Most companies do not charge for spray foam estimates, but if you are looking to receive an energy audit then fees maybe charged. Energy audit are generally for existing structures that have extreme heating and/or cooling issues. But can also be for efficiency reasons when companies use large amounts of energy on a daily basis.
Energy audits are highly recommended for residential homes because simple changes and upgrades can reduce a home’s utility bill and energy consumption drastically which is beneficial to both the consumer and the environment. Spray foam insulation is usually the number one plan of action to most energy comfort and solutions due to it’s high success rate and performance quality.