Explore our Contemporary Selection of Residential Garage Door Operators
DSI Door Services Inc. is the leading source for residential garage door operators in the heart of the Portland, ME region. Our retailer features an array of modern models from some of the leading manufacturers on the market. In fact, we currently offer products from Linear, LiftMaster, and more. Even if you’re not quite sure which operator will best suit your needs, you’ve got nothing to worry about. One of our knowledgeable staff members is always standing by to provide helpful information and affordable pricing options.
Take a look at the following section to get a better sense of our current selection. If you have any additional questions, comments, or concerns, don’t think twice. Contact the team at DSI Door Services Inc. today!
Linear Models
Linear Model LDCO800
Energy-efficient, green DC-powered garage door opener designed with a smooth-start and soft-stop, ultra-quiet, long-term reliable performance. 800 Newtons of lifting force (equivalent ½ HP AC speed) Eco-friendly, green design with DC-power Belt Drive Three button remote control
- Deluxe wall station
- Superior smooth, quiet operation
- 100 watt courtesy light (bulb not included)
- Lifetime Warranty of Motor and Belt
Linear LDO50
A high-quality, heavy-duty garage door opener designed to provide years of trouble free service on even the most difficult applications.
- 1/2 HP Chain or Belt Drive opener
- Three button remote control
- Deluxe wall station
- Smooth, quiet operation
- Automatic courtesy light.
Comes standard with: Deluxe Wall Control Station and 3-Button Remote Control.
Linear LDO33
A high-quality garage door opener designed to provide years of trouble free use.
- 1/3 HP Chain or Belt Drive opener
- Three button remote control
- Deluxe wall station
- Automatic courtesy light.
Comes standard with: Deluxe Wall Control Station and 3-Button Remote Control.
Linear Model LCO75
The Model LCO75 3/4 HP Deluxe Dual Lamp Garage Door Operator is Linear’s most powerful door operator yet. It can be used in light-duty commercial installations or in residential applications with heavy carriage house style garage doors. The LCO75 has a maximum duty cycle rating of 13 operations per hour; 50 operations per day, far more than other operator designs.
- All steel frame
- Noise-reducing technology for quieter operation
- Commercial grade rail system
- Easy external limit adjustment
- Quick release door arm for manual operation
- Automatic reconnect trolley
- Standard door speed is approximately 9 inches per second
- Standard rail and chain assemblies for 8, 10, 12, and 14 foot doors
- Motor thermal overload protection
- Torque sensing reversing
- Solid state control circuitry
- Deluxe lighted wall station
- 3-Button MegaCode transmitter
- Built-in MegaCode format receiver
- Includes infrared photo eye safety beam
- Dual courtesy lights
Linear Model LSO50
Exceptionally quiet belt drive opener. Built-in vibration isolation system keeps noise and vibration from being transferred to the rest of the house.
- 1/2 HP Chain or Belt Drive opener
- Three button remote control
- Deluxe wall station
- Smooth, quiet operation
- Belt drive or chain drive
- Dual 100 watt courtesy lights
- Noise reduction technology.
Liftmaster
For more information on Liftmaster Garage Door Openers, please see the links below: