HOME SERVICES BRANDS CLIENTS ABOUT CONTACT Services Air Compressors Air Handling Equipment Backflow Preventers Boiler and Hot Water Generation Building Systems Evaluations Electrical Controls Emergency Services Generators Heat Pumps Millwright Services Preventative Maintenance Pumping Systems Water Treatment and Distribution Systems © 2021 by Doonwood Engineering.

HOME SERVICES BRANDS CLIENTS ABOUT CONTACT Swimming Pool Pump & Filter - Oahu Hach Water Monitoring System Wastewater Pump Station - Waikiki 1/3 Out of gallery Potable water, irrigation water, water testing, chlorination, oil-water separators and treatment plants. Certified Distribution Systems Operators (DSO) for public and private potable water systems. © 2021 by Doonwood Engineering.

HOME SERVICES BRANDS CLIENTS ABOUT CONTACT 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 Deep Well Pump Circulation Pumps, Waikiki Aquarium Kawaiele Flood Plain Pumps Hickam C17 Aircraft Wash Marine Corps Vehicle Wash System Roof Ventilation Fans Sewage Pump Station, Keehi Boat Harbor, Oahu Out of gallery 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 © 2021 by Doonwood Engineering.

HOME SERVICES BRANDS CLIENTS ABOUT CONTACT Motor Control Center with Variable Frequency Drives - Fairway House 1/1 Out of gallery Motor control center fabrication, programming, trouble shooting and repair. © 2021 by Doonwood Engineering.

HOME SERVICES BRANDS CLIENTS ABOUT CONTACT Heat Pump and Hot Water Storage - Keola Hoonanea Heat Pump, Hot Water Storage, Fans - Country Club Village 1/2 Out of gallery Heat Pumps Installation, maintenance and repair. © 2021 by Doonwood Engineering.