HVAC Calculations Manager!

Calculator designed with HVAC in mind. Includes every formula used and needed for HVAC installations, including MBH and CFM. 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