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Mechanical Contractors

Committed to Service, Quality and 100% Customer Satisfaction

Air Compressor

Solar Hot Water, Lehua Manor

New Boiler Installation, Hilton Hawaiian Village

Backflow Preventer, Hausten

Dehumidifier

Hot Water Circ Pump, Mt Terrace

Colony Beach Chiller

Hot Water Storage, Roselei Apartments

Chill Water Pumps, Nordstrom

Motor Control Center w/Variable Frequency Drives

Backflow Preventer, Makua Alii

Wastewater Screen, MCBH Kaneohe

Duplex Booster Pump System

Hot Water Storage and Roof Vent Fan, Chateau Waikiki

Heat Pump, Hot Water Storage, Country Club Village

Boiler, Guam

Hot Water Storage, Waikiki Hotel

Wastewater Pump Station, Waikiki

Swimming Pool Pump & Filter, Oahu

Hach Water Monitoring System

Lunalilo Tower Booster Pump System

Boilers Kahala Resort, Oahu

Emergency Generator, Honolulu Intl Airport

Heat Pump and Hot Water Storage, Keola Hoonanea

Fire Pump, Oahu Condominium

Doonwood Engineering is your solution to all of your mechanical systems concerns. We provide innovative, high quality and cost effective installation, repair, replacement and comprehensive maintenance services.

Guam

Boiler

Country Club Village

Heat Pump, Hot Water Storage,Fans

Marine Corps Base Kaneohe

Vehicle Wash System

Deep Well Pump

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