Intermatic

Intermatic is a manufacturer of timer controls, surge protection devices, photocontrols, and pool and spa equipment for residential, commercial, government, and industrial applications, with a company history dating to 1891. Founded in Chicago, Illinois, Intermatic introduced its first lighting timer in 1945 and is headquartered in Spring Grove, Illinois. The company's HVAC/R timer control line includes defrost timers, temperature controllers, and equipment protection devices used by HVAC contractors, refrigeration technicians, and electrical contractors. For contractors specifying timer controls and surge protection for HVAC equipment, pool systems, and electrical applications, Intermatic covers the most widely used configurations in a single catalog.

Product Lines

HVAC/R Timer Controls and Defrost Timers

Intermatic HVAC/R timer controls include defrost timers, time clock controls, and temperature controllers for refrigeration cases, HVAC equipment, and commercial heating applications. Defrost timers provide timed defrost cycles for commercial refrigeration systems, initiating and terminating defrost at scheduled intervals. HVAC contractors and refrigeration technicians specify Intermatic defrost timers as standard replacement controls in commercial refrigeration case servicing.

Surge Protection Devices

Intermatic surge protection devices are available for residential and commercial electrical panels, HVAC equipment, and pool and spa systems. HVAC equipment-level surge protection protects compressors, control boards, and variable-speed drives from transient voltage events. Panel-level surge protectors protect downstream equipment at the service entry point.

Pool and Spa Timer Controls

Intermatic pool and spa timer controls automate pool pumps, spa jets, lighting, heaters, and auxiliary equipment in residential and commercial pool applications. The Time-All line covers standard single-speed pump scheduling. Digital timer models provide programming flexibility for variable-speed pumps and multi-circuit scheduling.

Photocontrols and Lighting Controls

Intermatic photocontrols automatically switch outdoor lighting on at dusk and off at dawn based on ambient light level. Available in pole-mounted, direct-replacement, and button photocontrol configurations for residential and commercial outdoor lighting applications.

Why Contractors Specify Intermatic

HVAC contractors, refrigeration technicians, and electrical contractors specify Intermatic because the timer control and surge protection line covers defrost timer, equipment protection, and pool scheduling configurations in a single catalog. Intermatic has produced timing and control systems for the trades since 1945. The HVAC/R defrost timer line is a standard service replacement reference for commercial refrigeration technicians. Intermatic pool timer controls are a recognized reference in residential pool installation. Founded in 1891, headquartered in Spring Grove, Illinois, distributing through electrical and HVAC supply channels across North America.

How to Choose an Intermatic Timer or Surge Protector

The most important decision variable is the application: HVAC/R defrost timer, surge protection, pool/spa control, or general lighting timer. For HVAC/R defrost timer selection, match the model to the refrigeration equipment's defrost cycle requirements, including initiations per day, termination method, and control voltage. For surge protection, choose panel-level for whole-home protection or equipment-level for point-of-use HVAC protection. For pool timers, the Time-All covers single-speed pump scheduling; digital models handle variable-speed pumps and multi-circuit scheduling.

FAQs

Where is Intermatic headquartered and when was it founded?
Intermatic was founded in 1891 in Chicago, Illinois, as the International Register Company, and introduced its first lighting timer in 1945. Intermatic is currently headquartered in Spring Grove, Illinois.

What warranty does Intermatic offer?
Intermatic warranty terms vary by product category.

What is the difference between an Intermatic defrost timer and a temperature controller?
A defrost timer uses a preset time schedule to initiate defrost at fixed intervals, regardless of actual refrigeration temperature. A temperature controller uses a setpoint sensor to switch the circuit based on measured temperature. Both serve different control functions in refrigeration and HVAC applications.

What Intermatic pool timer is right for a residential pool pump?
The Intermatic Time-All pool timer covers residential pool pump scheduling for single-speed pumps on a 24-hour program. For variable-speed pumps, Intermatic digital timer models provide multi-circuit programming. Match the timer to the pump's electrical specifications and the number of circuits to be scheduled.

Does Intermatic offer surge protection specifically for HVAC equipment?
Intermatic offers HVAC equipment-level surge protection protecting compressors, control boards, and variable-speed drives from transient voltage events, available in panel-mounted and equipment-mounted configurations. Panel-level protection provides whole-home protection; equipment-level protection is installed at the outdoor unit for point-of-use protection.

Are Intermatic timer controls compatible with smart home systems?
Intermatic offers Wi-Fi enabled smart control solutions in their digital timer and in-wall control product lines. Standard mechanical and digital Intermatic timer controls operate independently without a smart home hub. Verify the specific Intermatic smart control model's platform compatibility with the smart home system in use.