About Carlson Heating & AC, LLC Your Manhattan Area Expert Geothermal Source You can depend on Carlson Heating & AC, LLC for all your WaterFurnace Manhattan geothermal heating and cooling requirements, including... planning assistance. complete comfort system installation. routine service and maintenance. emergency repair. energy-saving advice and consultation. Providing total customer satisfaction is our highest priority in the Manhattan area, and our fully trained professional staff will see to that.It's hard not to be satisfied when you select the best heating and cooling system in the industry today. We will see to it that your new system lives up to all of your expectations, helping you to cut your energy costs and boost your home's conditioning efficiency. Contact Carlson Heating & AC, LLC today to get a free estimate and a cost savings analysis for your home.