HOME SERVICES BRANDS CLIENTS ABOUT CONTACT Air Compressor 1/1 Out of gallery Air Compressors Installation, maintenance and repair. Distribution and piping installation. © 2021 by Doonwood Engineering.

HOME SERVICES BRANDS CLIENTS ABOUT CONTACT Wastewater Screen - MCBH Kaneohe New Boiler Installation -Hilton Hawaiian Village 1/2 Out of gallery Machinery installation, trouble shooting and repair, equipment start-up, alignment, piping, welding and fabrication. © 2021 by Doonwood Engineering.

HOME SERVICES BRANDS CLIENTS ABOUT CONTACT Backflow Preventer - Makua Alii Backflow Preventer - Hausten 1/2 Out of gallery Backflow Preventers Certified testing, repair and installation. © 2021 by Doonwood Engineering.

HOME SERVICES BRANDS CLIENTS ABOUT CONTACT CB Richard Ellis Hawaiiana Management Castle and Cooke Hawaiian Properties Certified Management Pacific Office Properties Chaney Brooks Prudential Locations City Properties The Shidler Group Colliers Monroe Friedlander Touchstone Properties Hawaii First W.E. Dennison © 2021 by Doonwood Engineering.

HOME SERVICES BRANDS CLIENTS ABOUT CONTACT Dehumidifier Roof Ventilation Fans Chiller - Colony Beach 1/3 Out of gallery Installation, maintenance and repair. Distribution and piping installation. © 2021 by Doonwood Engineering.

HOME SERVICES BRANDS CLIENTS ABOUT CONTACT Chill Water Pumps - Nordstrom Hot Water Circ Pump - Mt Terrace 1/9 Out of gallery Pumping Systems Installation, maintenance and repair of boosters, wastewater, irrigation, well, grinder, fire, packaged pump stations, sewer pump systems, submersible and dry pit pumps, E-One low pressure wastewater pumps, and variable frequency drives (VFD's). BEFORE Old Booster Pump System - Lunalilo Tower AFTER New Booster Pump System- Lunalilo Tower © 2021 by Doonwood Engineering.

HOME SERVICES BRANDS CLIENTS ABOUT CONTACT Hot Water Storage and Roof Vent Fan - Chateau Waikiki Solar Hot Water - Lehua Manor Hot Water Storage - Rosalei Apartments Boiler - Kahala Resort 1/4 Out of gallery Installation, maintenance and repair of boilers, steam generators, hot water heaters and storage tanks. © 2021 by Doonwood Engineering.

HOME SERVICES BRANDS CLIENTS ABOUT CONTACT Equipment Brands Serviced ABB Aurora Berkley Century E-One Flomatic Goulds Hydr-O-Matic Jennings Marathon Myers Rain Jet Skidmore Trane Watson Wilkins ABS Badger Blue-White Cla-Val E-Tech Flygt Greenheck ITT Johnson Marlow Omega Roots Sprague U.S. Filter Watts Armstrong Baldor Bradford White Cleaver Brooks Fairbanks-Morse GE Grundfos Ingersoll-Rand L&N Milton Roy Pentair Shippco Sullair US Electric Westinghouse Atlas Copco Bell & Gossett Carrier Culligan Flo-Tech Gorman-Rupp Honeywell Jabsco Magnatec Muffin Monster Quincy Siemens Teledyne Viking Wilden © 2021 by Doonwood Engineering.

HOME SERVICES BRANDS CLIENTS ABOUT CONTACT Comprehensive preventative maintenance programs customized for your specific systems to control your costs and minimize down time. Protect your equipment investment. Lower your energy consumption. Assessment of the current equipment condition and recommendations for the most cost effective repairs or upgrades. © 2021 by Doonwood Engineering.