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Windsor Engineers provides a wide range of MEP and Civil Infrastructure services that offer innovative and sustainable solutions to our clients' unique challenges. Our commitment to collaboration allows us to bring together a team of experts who are dedicated to delivering quality work and exceptional results. Explore our projects and learn more about how Windsor Engineers can help you achieve your project goals.

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Windsor provided mechanical, electrical, plumbing, and civil engineering services for a new office building. The office building was completed in 2024 and included a challenging stormwater permitting effort that involved both the City of Kalispell and the Montana Department of Transportation.

LC Staffing Office Building

Windsor Engineers provided analysis of five municipal stormwater outfalls in the City of Cannon Beach, Oregon. Oregon Department of Parks and Recreation expressed concern about these outfalls on Monroe, Madison, Jefferson, Jackson, and Adams Streets as being potential pedestrian and erosion hazards, as well as needing water quality improvements.The outfalls on the “Presidential Streets” of Monroe, Madison, Jefferson, Jackson, and Adams were studied with regards to configuration, water quality, regulatory compliance, erosion potential, and pedestrian safety. Treatment alternatives included upstream pretreatment for oil and gas and debris as well as improvements nearer the outfall locations. The study included field infiltration testing and also considered consolidation of outfalls.


Windsor Engineers evaluated wastewater flow equalization needs for the City of Battle Ground.  The evaluation included an assessment of total storage needs, methods for expanding flow equalization most cost effectively, and also regional conveyance alternatives for pumping long-term wastewater flows to the regional Salmon Creek Treatment Plant.  Kennedy Jenks provided hydraulic modeling and structural assessment subconsultant services.


Like many jails, the former Saint Louis County jail in Duluth is a challenging building type to reuse as it is comprised of many small cells that make up the structural system. The building was stripped for demolition and has been vacant for over 15 years. In addition, financing a complex reuse project is challenging and generally involves multiple funding sources including historic tax credits, tax increment financing, and grants. Windsor collaborated with the design team to create 33 residential units in the former jail, explore system options, coordinate with existing building elements, and coordinate/obtain project funding and support.


The aging Ridgefield branch of the Fort Vancouver Regional Library was in need of upgrades. As part of the project, all existing MEP systems and part of the 8,100 square foot structure were demolished.  A highly efficient variable refrigerant flow (VRF) system was installed. In addition to the HVAC design, Windsor also provided design of the electrical, plumbing, and low voltage systems.


Windsor regularly works for the City of Battle Ground on various projects, including a new “Battle Ground Railroad Basin Stormwater” project that will kick off in May 2023. Other projects include Community Center Improvements, Police Station Improvements, Wastewater Equalization Basin, and Sewer Receiving Station, and NW First Street Improvements. Windsor provides multi-discipline design services (civil, mechanical, and electrical).


INTRO Cleveland is a 450,000 SF, mixed-use mass timber high-rise building with 298 apartment units. The project was designed to use mass timber construction methods based in part upon the 2021 edition of the International Building Code prior to being published and adopted by state and local authorities. Programming included ground floor retail, apartment units, rooftop pool deck, and large event space. Retail design included planning for 10 shell spaces and providing necessary infrastructure and utilities to allow for future tenant buildouts. Windsor Engineers worked closely with the design and construction team in an integrated design delivery method. The project is aiming for LEED Silver certification. Features include a central VRF and DOAS system for the entire building.


Windsor conducted a preliminary study and analysis of the campus site and building mechanical, electrical, and low voe systems condition and performance that support HVAC equipment, distribution, and building controls; analysis of relevant state and local building codes, and other associated legal requirements. Windsor’s investigation was then used to verify compliance with ASHRAE 62.1 and Washington Code. Our findings were then utilized to produce a basis of design document for each building  identifying major design components including outline specifications and an independent direct construction cost model. After budget constraints reduced
the project scope, a reduced focus on the areas of greatest need was produced.


Windsor provided full mechanical and electrical design and construction services for a 30,000 square-foot historic primary school. The existing Skamania Elementary school building was built in 1947, with many of the original systems still in use. The project was part of a modernization effort to update the facility’s technology and systems to current codes.

Windsor scope included an investigative pre-design phase, followed by full design documentation and construction administration. Windsor’s familiarity with relevant state and local building codes and associated legal requirements helped to keep the project on schedule.

The project scope included a complete replacement of the existing aging HVAC systems, installation of a completely new electrical service to support the upgrades, and a  complete replacement of the lighting and controls with high-efficiency LED. Additionally, new low-voltage systems including intercom, fire alarm, and expanded WiFi access were completed.

The building improvements allowed the students and staff to return to a safer and more comfortable space. The new electrical service allowed for new fire suppression and electrical systems and an intercom system. The HVAC system maximizes indoor air quality and comfort, while controlling project cost and energy consumption.


Windsor Engineers worked with Smith Architecture Inc. and Weller Construction on the design of a new Medical Office Building (MOB) that will be used primarily for treatment of cancer patients. The project utilized the core/shell delivery method successfully, granting the client a building permit and construction start date much sooner than traditionally. Windsor was also retained to complete the design of the interior buildout. The project includes complex medical equipment such as Linear Accelerators and CT Scan machines. Windsor designed a large 480V electrical service to handle the electrical loads in the facility and an efficient VRF/DOAS system for heating, cooling, and ventilation.


Candela is a two-building development over a shared underground parking garage in Mountlake Terrace, WA. The west building is 7 stories above grade and the east building is 8 stories above grade. There are a total of 424 dwelling units with associated amenity and future commercial retail uses. The project will achieve the Washington State Energy Code (WSEC) C407 Performance Path utilizing a full energy model. Innovative solutions to the 2018 edition of the WSEC have been explored with the project team. Windsor’s scope includes full mechanical, electrical, and plumbing design from concept to construction documents.


To acquire American Zoo Association accreditation, Windsor Engineers collaborated with the design team to find an integrated solution that met the AZA energy code requirements.  Educating the architect on insulation options, in conjunction with the HVAC system and energy codes, led to a final design meeting all requirements and keeping the project cost at a minimum. 


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