About Vaughn Mechanical Seattle's Superior Geothermal Source If you are looking for a company that has a complete in-house operation and a documented track record for providing homeowners with all of their WaterFurnace Seattle geothermal heating and cooling needs, you can trust Vaughn Mechanical. Our complete in-house operation includes... planning assistance. complete comfort system installation. routine service and maintenance. emergency repair. energy-saving advice and consultation. Delivering total customer satisfaction is our utmost priority in the Seattle area, and our fully qualified professional staff will see to that.It's difficult not to be satisfied when you pick 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 improve your home's conditioning efficiency. Contact Vaughn Mechanical today to get a free estimate and a cost savings analysis for your home.