HVAC & Refrigeration Contractor in Seattle
Joanis Mechanical is a Seattle HVAC & Refrigeration contractor, serving residential & commercial clients throughout the Puget Sound Region.
Established in 2011, we’ve quickly become one of the highest rated contractors in Western Washington. With a dedication to customer service & customer satisfaction, we take great pride in the quality of work for all our projects.
30 Years of Combined Experience
With a full team of technicians, Joanis Mechanical is lead by Joey Joanis & Derik Herring. Their three decades of combined experience enables them to work nearly any HVAC or Refrigeration project throughout Western Washington.

Joey Joanis, Founder & Owner
Joey Joanis has over 20 years experience and is well known in the field of HVAC. Growing up in the industry has given him more hands on experience and knowledge than most. He specializes in identifying and fixing problems efficiently and effectively.

Derik Herring, Owner
Working in similar industries for over 10 years, Derik decided to become dedicated to HVAC & Refrigeration when he joined Joanis Mechanical. Graduating from RSI, he now thrives in the field. Derik has always set high goals, strives for success and attends several specialized classes a year.
Only The Best Products & Partners
Not only does Joanis Mechanical stand behind the work we do, but the products we use. We only install what we believe to be the best HVAC and Refrigeration units needed for your establishment.
We are familiar with a wide range of technologies and can provide certified maintenance and repair service to a variety of systems. If you have any questions about what you have, or what you need, we’re here to help.