***UPDATE*** Finken has partnered with Aqua Systems and flipped the script on how to research and buy water softeners/water treatment for homes and businesses. - Transparent pricing - Non-commissioned water specialists - The only 7 year warranty on parts and labor in the industry....and it's in writing!!!! Finken is two full-service companies in one building. Finken Aqua Systems and Finken Plumbing, Heating & Cooling. A plumbing, heating and cooling company you can entrust with all of your family’s comfort needs – from minor leaks and broken pipes to complete heating and cooling systems. We're also a water company that specializes in water treatment, bottled water, salt delivery , coffee services and much more! For over 50 years, Finken Companies has provided expert residential, commercial and agricultural water treatment solutions. When it comes to water, plumbing, heating and cooling, you can trust Finken Companies to complete any project in your home with the utmost quality and customer service this industry has to offer.