Commercial & Industrial Heating, Ventilation, Air Conditioning & Refrigeration ContractorServing Naval Base Kitsap and surrounding bases, Western Washington and the Olympic Peninsula
Industrial heating, ventilation and air conditioning systems, odor control, refrigeration, precision cooling, controls and electrical, with our own fabrication shop in Bremerton. We work for public agencies, the Navy, schools and industrial owners.
MSM crew with FRP odor control ductwork at a wastewater solids facility
Our track record, from our contract job records
Conveniently located within minutes of the Kitsap County bases
Markets we serve
Military & Federal
Prime and mechanical contractor for military and federal projects, for all branches of the military. Photos of this work stay on base, so ask us for references.
Qualifications →MarketWastewater & Water Treatment
HVAC, ventilation and odor control systems for wastewater and water treatment facilities.
Odor control →MarketSchools & Public Works
School districts, cities and counties.
HVAC →MarketIndustrial Heating, Ventilation & Air Conditioning
Process exhaust, dust collection and heating, ventilation and air conditioning systems for plants, shops and industrial facilities.
Industrial systems →MarketCustom Fabrication
Custom fabrication of all types from our own shop, for contractors, owners and the public.
Fabrication →MarketRefrigeration & Precision Cooling
Computer room and process cooling, walk-in coolers, VRF and split systems, with the refrigerant piping.
Refrigeration →Shipboard ventilation ductwork
We fabricate ship vent pieces for the ship repair contractors working aboard aircraft carriers and other Navy vessels in port at Puget Sound Naval Shipyard and Naval Base Kitsap. Bring us the old pieces or send us your drawings. If you need measurements, we will take them at your shop, on the pier or aboard the ship, and we can install the finished ductwork if requested.
- Ship vent pieces for aircraft carriers and other vessels in port
- Replacements built from your old vent pieces
- Fabricated to your drawings
- Measurements taken at your shop, on the pier or aboard ship
- Aluminum, galvanized and stainless steel, welded or seamed
- Any other material you specify
- Installation if requested
Ventilation, HVAC and refrigeration under one roof
Ductwork, equipment, refrigeration, controls and power, delivered design-build, design-assist or plan-and-spec by union sheet metal workers, HVAC/R technicians and electricians. That includes precision cooling and heating for critical infrastructure projects, and retrofit and replacement of existing equipment with temporary systems during the changeout.
Industrial Heating, Ventilation & Air Conditioning Systems
Process exhaust, dust collection, fume and welding exhaust, and make-up air for shops, plants and waterfront facilities.
Details →Odor Control Systems
FRP and stainless odor control ductwork, fans, and carbon, chemical and biological scrubbers for wastewater plants and pump stations.
Details →Refrigeration & Precision Cooling
Refrigeration systems and precision cooling and heating for critical infrastructure: computer room air conditioning, process systems, heat pumps, VRF and walk-in coolers.
Details →Commercial HVAC
Complete HVAC systems, plan-and-spec or design-build: air handlers, rooftop units, heat pumps, gas-fired equipment and gas piping, exhaust and ductwork.
Details →Equipment Retrofit & Replacement
Changeouts of old, worn-out equipment in occupied and operating facilities, with temporary cooling and heating while the work is done.
Details →Design-Build & Design-Assist
Design-build, design-assist and plan-and-spec delivery, with in-house BIM modeling, detailing and estimating.
Details →Controls & Electrical
HVAC controls and the electrical work that goes with them, under our own Washington electrical contractor license.
Details →Custom Fabrication & Welded Ductwork
Custom fabrication of all types from our own shop: industrial welded duct, plenums, hoods, stainless, aluminum and copper.
Details →HVAC Service & Repair
Service, start-up, troubleshooting and warranty support from journeyman HVAC/R technicians.
Details →Safety and training
Continual annual training keeps our qualifications and certifications current for the requirements of federal, military and public works projects.
- CMMC Level 2 certified for handling Controlled Unclassified Information
- Safety program that follows EM 385-1-1, which is stricter than federal OSHA and Washington WISHA
- EM 385-qualified competent persons for fall protection, rigging, hoisting and fire watch
- Licensed Washington HVAC, general and electrical contractor, and SMACNA member
- Most employees hold current base badging
- Experienced with UFGS specifications, UFC standards and government submittals


Our previous work
Projects we have worked on include Safeco Field, Sea-Tac Airport, the Brightwater Treatment Plant, Explosives Handling Wharf 2 at Bangor, Naval Hospital Bremerton, the Georgetown Wet Weather Treatment Station, the West Point Treatment Plant, Tacoma Link, the Tacoma Dome, the Battelle Marine Sciences Laboratory in Sequim and Boeing's Everett plant, among others. See the project portfolio.








