SAVE $50.00 ON YOUR NEXT SERVICE CALL! Are you a satisfied Northern Weathermakers HVAC customer? Then spread the word and we'll reward you. Simply recommend Northern Weathermakers to a friend and have them mention your recommendation. After a new customer you've recommended to us has completed a billable service call, you'll SAVE $50.00 off your next service call and they'll receive 15% OFF theirs! It's that easy. And there's no limit on the number of referrals you can make! Contact us today for more information. Home