Calculator designed with HVAC in mind. Includes every formula used and needed for HVAC installations, including MBH and CFM. Print or send finished equations directly from your device.

By downloading, you agree to the Terms of Use at https://www.snappii.com/policy

In addition to using free HVAC Calculations Manager version you can get unlimited number of form submissions by subscribing via an optional In-App Purchase and remove all ads by purchasing onetime fee. Subscribe from your device and access these services via mobile app.

In-App Subscription Details:
• Ad Removal is $0.99 US dollars one-time fee
• Monthly Unlimited Form Submission Subscription to get is $4.99 US dollars per month
• Annual Unlimited Form Submission Subscription to get is $49.99 US dollars per year
• Payment will be charged to Account at confirmation of purchase
• No cancellation of the current subscription is allowed during active subscription period
• Account will be charged for renewal automatically