Simple Guestroom Control and Easy-to-Read Display

Optimax Guestroom Thermostat

The HotelTech Optimax is a guestroom thermostat designed for properties that need clear guest control, dependable operation, and a clean in-room appearance.

With its large backlit display, slim wall profile, tactile buttons, and tamper-resistant construction, Optimax supports everyday guest comfort with manufacturer support and competitive pricing.

Guest-Friendly Thermostat for Hotel Room Comfort

Optimax is built for hospitality spaces where thermostat controls need to be easy to understand at a glance. Guests can adjust temperature and fan settings using clear, familiar controls, while your team gets a commercial-grade thermostat designed for high-use room environments.

 

  1. Large backlit display for clear visibility
  2. Slim, low-profile design that sits close to the wall
  3. Tactile red and blue buttons for simple temperature adjustment
  4. Tamper-resistant construction for hospitality applications
  5. Commercial-grade reliability for daily guestroom use

Large Display Thermostat With Simple Controls

Optimax keeps room control easy with a large LCD display, clear fan mode visibility, and push-button temperature selection in 1°F or 1°C increments. Optimax supports:

  • Clear set temperature and fan mode display
  • Simple °F/°C changeover
  • Easy fan speed selection
  • Hidden programming access for qualified personnel
  • Straightforward push-button control for guests

 

Your personnel can access hidden programming features when settings need to be adjusted, while guests see simple controls.

PTAC, Fan Coil, Heat Pump, and Split System Applications

Optimax is available in models that support common guestroom HVAC applications. This makes it a practical thermostat for hotels using a variety of configurations.

Supported system model types include:

  • PTAC
  • Fan coil
  • Heat pump
  • Split systems 

 

Your HotelTech representative can help confirm the Optimax model that best fits your property’s specific HVAC setup.

Built for Hospitality Environments

HotelTech manufactures thermostats for rooms that see frequent guest use, regular staff access, and everyday operational demands. Optimax is designed to support consistent comfort while remaining simple for guests and practical for property teams.

Optimax is suited for:

  • Hotels
  • Long-term care homes
  • Resorts
  • Casinos
  • Dormitories
  • Multi-family residential properties

Why Choose Us

HotelTech designs and manufactures guestroom thermostats for hospitality properties across North America.

Hospitality Thermostat Specialists

Our Optimax thermostats are designed for guestroom environments where consistent comfort, durability, and ease of use all matter.

Affordable Pricing

HotelTech manufactures thermostats directly, helping properties access commercial-grade, high-quality guestroom controls at affordable prices.

Manufacturer-Direct Support

A direct relationship with the manufacturer helps simplify communication when you need answers about your thermostats.

Proven Reliability

Our products are UL/CSA certified, commercial-grade, and trusted in over one million installations across North America since 1992. 

Request a Quote Today!

If you need a dependable hotel thermostat with a large display, simple guest controls, and commercial-grade construction, Optimax is built for hospitality use. Contact HotelTech today to request pricing for your property.

Optimax Thermostat Specifications

Input

24, 120, 208/230 or 277 VAC available.

Size

Approximately 5″h x 5″w x 3/4″d.

Mounting

2″ x 4″ or 4″ x 4″ mounting box. Larger wall plates available.

Case Material

Commercial-grade, high-density, high-impact, textured and fire-retardant Polycarbonate.

Display

LCD with Backlighting. Easy to read; shows selected Set Temperature and Fan Mode. Display size is approximately 3″w x 1-1/2”h.

Load

24V AC/DC: 1 amp Max. per stage; Not to exceed 2 amps Total Combined Load

110-120 VAC: Pilot Duty Heat or Cool, 2 amps Max; Max Fan, 4.4 FLA; 26 LRA

208-240 VAC: Pilot Duty Heat or Cool, 2 amps Max; Max Fan, 2.2 FLA; 13 LRA

265-277 VAC: Pilot Duty Heat or Cool, 2 amps Max; Max Fan, 1.8 FLA; 10.8 LRA

Approval

Certified to UL and CSA standards.

Temperature Range

Selectable Range: 60°-90°F (16°-29°C).

Adjustable Range (“Limits”): 66°F (19°C) Cooling limit. 82°F (30°C) Heating limit.

Temperature Selection

Push button, red and blue arrows, for easy temperature selection in 1°F or 1°C increments.

Power Button

Press to start up the display. The default set temperature upon start-up is 72°F (22°C). Adjustable.

°F/°C Button

Pressing the °F/°C button allows the user to change from a °F to °C display.

Fan Button

Press to toggle through available Fan Speed or Mode options. One-, two- or three-speed models are available. The device can automatically select the optimal fan speed for performance and energy efficiency.

Auto Heat/Cool

User-friendly, automatic switching between heating and cooling. Heat/Cool Temperature Dead Band is 4°F (2°C). Cool-only and Heat-only models are also available.

Surge Protection

Designed to handle typical brown-out/surge situations.

Diagnostic Mode

For engineering diagnostic purposes, the thermostat can interchangeably display the actual room temperature AND the set temperature and fan status by simultaneously pressing and holding the red and blue buttons for 7 seconds, then releasing.

Programming Mode

Simple and hidden, for qualified personnel to field-customize features according to their HVAC system and to their energy conservation requirements.

Specifications

Specifications subject to change.

FAQs

Optimax combines a large display, tactile buttons, a slim profile, and tamper-resistant construction. It is designed for straightforward guest control and reliable performance in hospitality rooms.

Yes. Optimax uses a clear LCD display, simple red and blue temperature buttons, a fan button, and °F/°C changeover for familiar guestroom operation.

Yes. Optimax is available for PTAC applications, along with fan coil, heat pump, and split systems. Your HotelTech representative can confirm the right model for your system.

Yes. Optimax is built with tough, commercial-grade construction and a tamper-resistant design for hospitality environments where thermostats need to hold up to regular guest use.

Optimax focuses on simple guest-friendly control with a large display and tactile buttons. Optimax ST adds built-in passive infrared motion sensing for automatic setback operation.

Yes. Optimax models include available fan speed options, and the device can automatically select the optimal fan speed for performance and energy efficiency.

Get Started Now

HotelTech works directly with hospitality teams to match the right thermostat model to your property’s HVAC system and room requirements. 

Request A Quote