Kartchner Engineering, PLLC

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About Kartchner Engineering, PLLC
Kartchner Engineering, PLLC operates as a mechanical engineering firm serving Spokane, Washington with a perfect 5.0-star rating across 6 client reviews. The firm specializes in mechanical and plumbing system design for residential and commercial projects, providing engineering services that other contractors rely on for proper system installation and permitting. Clients consistently describe the team as professional, attentive, and genuinely dedicated to helping homeowners navigate complex projects.
What distinguishes Kartchner Engineering is the personal attention Mark provides throughout every project. Reviewers repeatedly note his deep technical knowledge and willingness to assist with challenges beyond the typical scope of work. The firm has built a reputation for fair pricing, with multiple clients confirming their rates are the most competitive in Spokane. This combination of expertise and affordability makes them a preferred choice for homeowners and contractors seeking mechanical engineering design.
Homeowners who worked with Mark describe specific scenarios where his dedication made a difference. One reviewer recounts how Mark helped navigate a difficult project despite having no obligation to get involved. Another mentions the firm's small but agile structure, noting the owners themselves are a treat to work with and will ensure the job gets completed. These customer stories reflect a firm that treats each project with genuine care rather than treating engineering as a transaction.
What Customers Say
All 6 reviewers award 5 stars, with Mark specifically named in 3 reviews as the technician providing exceptional help. Four reviewers mention pricing as a key differentiator, calling the rates fair and the best in town.
Working Hours
| SundayToday | Closed |
| Monday | 7:30 AM–5 PM |
| Tuesday | 7:30 AM–5 PM |
| Wednesday | 7:30 AM–5 PM |
| Thursday | 7:30 AM–5 PM |
| Friday | 7:30 AM–5 PM |
| Saturday | Closed |
Services
Mechanical System Design
Engineering design for heating and cooling systems in residential and commercial buildings, ensuring proper load calculations and equipment selection.
Plumbing System Design
Professional plumbing infrastructure design for new construction and renovation projects, including piping layout and fixture planning.
HVAC Engineering
Complete heating, ventilation, and air conditioning system engineering from initial design through construction documentation.
Project Consultation
Technical guidance for complex projects, helping homeowners navigate engineering challenges and permitting requirements.
Commercial Engineering Services
Mechanical and plumbing design services for commercial buildings, visible in their project portfolio.