• Talented electrical contractor adjusting wiring in Portland Oregon home

Next time someone asks if you know a good contractor in Portland, we’ll help you answer.

For best results, we only use higher skilled, top of the line union professionals.

When you make the decision to invest in a project, you naturally expect the best possible results. Easier said than done? Not the case with Green Box Mechanical. This, because we exclusively call upon the talents and invaluable experience of Portland-based service technicians who are members of U. A. Local 290 and IBEW 48 Electrical Works. For best results, we only use higher skilled, top of the line union plumbing, HVAC, and electrical professionals.

Again, the underlying philosophy at work here is that there is absolutely no upside for your project if you knowingly use less qualified service techs. Our goal is to do everything within our means and your budget to deliver an overwhelmingly positive end result to your project. Period.

Meet Your Technicians

Devin Ochs - Plumbing Contractor - Plumber

Devin Ochs

Plumbing Genius

10112JP – View Devin’s License

Devin Ochs enjoys spending time with his wife and sons. Their favorite pastimes include riding horses at the family farm and cheering on their son at soccer games. Devin enjoys watching college football, and cheering on the Washington Huskies.

Devin is a fourth-generation plumber. Devin is a highly skilled professional with 9 years of experience. He is an expert with the hydraulic pressure Jetters drain cleaning system, as well as the scoping camera to inspect and locate problems in pipes. He has installed many tankless water heaters, gas appliances, and commercial and industrial plumbing systems. If you need your whole house professionally re-piped, he’s your guy.

Brett Henson Construction Craftsman Contractor

Brett Henson

Construction Craftsman

Brett Henson enjoys spending time with his wife and daughter. They especially love to travel. Recently, they had a wonderful time exploring the Caribbean, and next on their travel wish list is Croatia. Their 8-year- old daughter is an avid competitive swimmer, who recently qualified for the State Swim Meet. When they aren’t poolside cheering her on, they spend their free time hiking and backpacking.

Brett is a highly skilled craftsman with 25 years of experience. He has training and experience in many areas. He is talented at tackling home improvement projects, repairs and installations. Customers consistently request his expertise for their drywall, finish carpentry, woodworking, and cabinetry needs.

Jeff Olson Electrical Contractor - Electrician

Jeff Olson

Electrical Genius

948LR – View Jeff’s License

Jeff Olson loves spending time with his wife and daughters. They enjoy playing board and card games, spending time outside with their dog and traveling together. Their favorite place to visit is Disneyland. Jeff’s hobbies include painting model cars and playing several instruments including guitar and trumpet.

Jeff is a highly trained Electrical Genius. He is adept with outlets and switches, light fixtures, smoke and carbon monoxide detectors, ceiling fans, electrical panels, electric vehicle (EV) charging stations and wiring. Jeff enjoys providing customers with exceptional service and attention to detail.

Justin Walters Plumbing Contractor - Plumber

Justin Walters

Plumbing Genius

9243JP – View Justin’s License

Justin Walters loves spending time with his wife and four kids. They keep busy with fishing, hiking, muscle car shows and checking out all the exciting places the Portland area has to offer. When they aren’t on the go, they enjoy hosting a game night for their family and friends.

Justin is a highly skilled plumber with 13 years of experience. He loves helping customers! Water heater installs, new faucets, re-piping whole homes, and drain repair are just a few of the many services he can provide. He is also a qualified installer of Natural Gas lines for your new kitchen range, outdoor BBQ or firepit. Whether the job is big or small, he’s eager to help and bring peace of mind to his customer.

Michael Davis HVAC Technician

Michael Davis

HVAC Genius

Michael Davis enjoys spending time with his three girls and his significant other. This busy Dad is always encouraging his daughters with their various passions. Whether cheering on his eldest at theater productions, his middle daughter at volleyball games or diving into science projects with his youngest. In the summer, this family loves camping and riding quads at the sand dunes.

Michael has six years’ experience working with HVAC systems. He specializes in home energy efficiency consultation, ducting design and installation, low voltage wiring and controls, and furnace and A/C installation. He is certified in refrigerant handling, limited energy, and natural gas piping.

Mike Rosenau

Electrical Genius

16747J – View Mike’s License

Mike Rosenau enjoys spending time with his significant other, his 3 grown daughters, and one son. They love to slow down their busy lives by gathering together over a meal or enjoying a baseball game together. They also enjoy travelling, especially Oahu, Hawaii, where last year they narrowly missed the volcano eruption.

Mike is a highly trained electrician with over 20 years’ experience. He enjoys building relationships with customers and brings a positive attitude to problem solving. He has experience with residential and commercial service upgrades and panel changes. He is skilled at troubleshooting, hot tub installations and remodeling projects.

Luis Ortiz - Plumbing Genius

Luis Ortiz

Plumbing Genius

10900JP – View Luis’ License

Luis enjoys spending time with his wife and their dog, Levy. After briefly living in Texas, he is happy to be back on the West Coast. They love to spend weekends exploring the experiences available in Portland and the Pacific Northwest. They especially enjoy hiking.

Luis is a highly skilled Journeyman Plumber. He enjoys residential and commercial projects. Luis is skilled at everything from replacing water heaters and faucets to whole home re-pipe projects. He can also help with remodeling the plumbing for your bathroom or kitchen. His customers comment on how he makes even tough plumbing projects a joyful experience.