Sun Engineering LLC

Sun Engineering is a small disadvantage business enterprise that offers electrical, mechanical and plumbing consulting engineering services. We are located in Phoenix, Arizona and together we have more than fifty years of design engineering experience.

Our industrial experiences range from mining, transportation (port facilities, light rail, airport terminals/hangars, etc.) commercial buildings, private industrial facilities, prisons, jails, fire stations, colleges, schools, libraries, municipal buildings, churches, military facilities, tenant improvements, custom residential, swimming pools, parks, recreation centers, ball fields, power systems, communication systems and more.


Sun Engineering offers a wide range of services including Electrical Engineering, Mechanical and Plumbing Engineering, and Design-Construction Services.


Airfield Lighting
Apron Lighting
Building Power
Communications (telephone, data + fiber)
Energy Management Studies
Exterior/Interior Lighting
Fire Alarm
Intrusion Detection
Plan Review
Power Distribution + Transmission
Security Access (gates + control)
Street Lighting
Traffic Signal Power

and Plumbing

Backflow Prevention
Compressed Air
Energy Management
Energy Management Studies
Fire Protection
Fire Sprinkler
Fuel Storage
Grease Hood Ventilation
Heating, Ventilating + Air Conditioning
Plan Review
Solar Heating
Steam Heating
Temperature Controls


Safety Meetings
Request For Information (RFI'S)
Submittal Reviews
Site Inspections
Special Inspections
Cooridnation Meetings



• Pat Hearing Center
• B Green Asst Living
• Pat Health Dept
• Malek Surgery
• Senior Living LHC
• Weyer Plastic Surgery
• Affordable Dentures
Phoenix AZ
• Catalina Pet Hospital
Tucson AZ
• Barr Medical
• Ironwood Medical
• Ina Rd Tucson Medical
• Rodriguez Devel Dr.
Office Conversion
• Axiom Care Phx

Marijuana Facilities

• Medical Marijuana Facility
Phoenix AZ
• Hi Collective CA
• American Green
Phoenix AZ
• 7Points Grow Facility
Long Beach CA
• 7Points Grow Phase II
Long Beach CA
• Needles Pot Shop CA
• Genelco High Pot Test
• Watkins Cultivation
Phoenix AZ
• Genesis Bioceuticals
Phoenix AZ

Resorts RV

• Havasu Shores RV LHC
• Crazy Horse Campgrounds LHC
• Castle Hot Springs
• DTR Motorcycles
Cave Creek AZ
• RV Park Quartzite AZ
• Shop Wild Things
Quartzite AZ
• West Branch Camp
Williams AZ
• Fortress RV Storage LHC
• HOA Site Lighting
• Anthem Clubhouse

City/State Projects

• City of Tempe
• LHC 911 Call Center
• Estralla Sports Field
• Yucca Westlake
• SCLRT Light Rail
• Veterens Cemetery
Sun Eagle


• Sovereign Grace Church
• Valley Pentacostal Franklin
• Mix Cooking School
• N Christian Prep Phx
• Phx Tabernacle Church
• Calvary Church
• Shepherd of the Hills
Lutheran Tucson
• Day Care Tucson
• True Hope Church
Tucson AZ
• Synagogue Phx
• Reading Center
Queen Creek AZ
• Calvary Baptist Church
Tucson AZ
• Buddhist Temple
Phoenix AZ
• Way of Life Church


• SGS Core Shed Elec Service
• Cell Site
• ADOA Retention Tank
• DCL Fuel Tank
• Parker Aero Space
• intel Clean Room Chandler
• Tucson Pipeline
• Patagonia Tucson SGS
• Paint Booth Phx
• Pump Station


• Desert Jewel Deluxe
Apartments Phx
• Mare Motel
6325 Duane Lane
• Tempe Apartments
• Scottsdale Suites
• Phoenix Assisted Living
• Pointe NE Phoenix
Street Lighting
• Camby Hotel

Small Business

• Filbertos Restaurant
Phoenix AZ
• Barnes and Noble Café
Scottsdale AZ
• Running Man Fuel Station
• Siegle Suites Laundry
Tolleson AZ
• Mercedes Dealership Starbucks
Scottsdale AZ
• Culture Coffee

Single Family Homes

• Hydrophonics House
Wickenburg AZ
• Nerd Power Solar
• Levitin House
• Gil Kow Solar
• Dana Ranch Container


• Theater Tucson

Our Team

Thomas J. Moll, PE

Mr. Moll's experience includes design of overall electrical systems for high, medium, and low voltage distribution, as well as power generating systems, and the electrical calculations for the support of the electrical designs for electrical projects.

Pennsylvania State University –
BS Electrical Engineering
Arizona PE 33902

Ken Pratt, MBA

Mr. Pratt's experience is in program and project management for electrical/mechanical projects. Mr. Pratt's most recent assignment prior to joining Sun Engineering was Program Manager for the Automated Train (AT) at Sky Harbor International Airport.

Southern University –
BS Electrical Engineering
University of Phoenix – MBA

Dianne D. Moll
Office Manager

Mrs. Moll has over 25 years teaching experience with the last ten (10) years teaching Computer Science / Robotics and STEM courses.

She has been the Office Manager for seven (7) years. She is the pleasant voice answering the telephone, the main contact for Clerical, Accounting, Bookkeeping, Human Resources (HR), and any other issues that may develop. She is our “GO TO PERSON”

Jose Salinas
Electrical Design Engineer

Mr. Salinas is a graduate of Arizona State University (BS) in Electrical Engineering. He has been employed by Sun Engineering for the past four (4+) years. Mr. Salinas is an experienced Drafter / Design Engineer. He is an integral team member and has participated in a few large projects such as the Phoenix Light Rail Transportation System, Genesis Bioceuticals (Phx. AZ), River Bound RV Facility (Lake Havasu City, AZ), and Salt River Fields Expansion Project.

He has also been involved with numerous High End Residential homes, Commercial Projects (Restaurants, Apartment Complexes, Schools and Church’s), and Industrial Projects such as Fountain Hills water pumping station. Mr. Salinas also designs and prepares single lines and load calculations for mechanical and electrical loads, Lighting Calc’s, Energy Calc’s, Voltage Drop calc’s, Fault Current calc’s, etc.


Sun Engineering LLC

600 W Hatcher Rd. Suite 200
Phoenix, AZ 85021

Building front
Front of building: street view
Main entrance
Rear of building: main entrance

Contact Us

Mon-Thurs 8:00AM-5:00PM
Friday 8:00AM-12:00PM

600 W Hatcher Rd. Suite 200
Phoenix, AZ 85021