We manufacture next-generation custom electric heaters, modulating controls, and residential steam humidifiers. With unwavering dedication to excellence, Thermolec proudly serves customers worldwide, delivering superior products backed by expertise.
Thermolec Open Coil heaters are designed for use in all forced air commercial and industrial HVAC systems. Their applications vary from a partial or auxiliary nature to being the principal heat source...
Learn MoreCommercial Grade Steam Humidifier Acu-Steam Pro humidifiers produces humidity from steam dispersed directly into the air usingelectric elements immersed in water. By using resistive elements a wide r...
Learn MoreThe Latest in Technology for Conversions to Electricity or DUAL-ENERGY The Thermolec Plenum Heaters are the result of several years of research and development. Their components have been carefully s...
Learn MoreAcu-Steam Steam Humidifiers are another quality product by Thermolec, an industry leader in comfort heating products. Its compact size and standard features make it the easiest to install, operate and...
Learn MoreA chart showing the different boards we offer along with some key details for each one (input, compatibility, etc.)
Learn MoreSteam Humidifier for ductless locations Thermolec’s Acu-Steam humidifier line has a new companion. To be able to provide the power of steam for houses and condos without duct work, we developed the S...
Learn MoreMini Fresh Air Make-up Today's airtight homes and offices beg for fresh air. When we trap the heat, excess humidity and indoor pollutants such as cleaning products, smoking and pets, will negatively ...
Learn MoreHigh Performance, Compact Design The Thermolec TMB electric boiler is our newest and most affordable model. Without compromising quality, Thermolec has engineered the TMB with quality components and ...
Learn MoreThermolec manufactures tubular element heaters for applications which involve personnel safety or critical conditions in the duct such as high humidity level, combustible dust or corrosive atmosphere...
Learn MoreZone Heater The THERMO-ZONE heater provides accurate temperature control in every room. Equipped with the most advanced modulating controller and air sensor, the THERMO-ZONE heater will operate with ...
Learn MoreFresh Air Heater Today's airtight homes and offices beg for fresh air. When we trap the heat, excess humidity and indoor pollutants such as cleaning products, smoking and pets, will negatively affec...
Learn MoreToday's airtight homes and offices beg for fresh air. When we trap the heat, excess humidity and indoor pollutants such as cleaning products, smoking and pets, will negatively affect the quality of th...
Learn MoreMake-up Air units up to 2,500 cfm with the NEW Model NER from Thermolec. The NER unit provides a compact footprint making make-up air units easier to stock, handle and install - a convenience contract...
Learn MoreDual-energy boilers for fossil fuel backup or standalone installations. Cozy comfort and improved efficiency while saving you money. Feel the comfort of hot water heating controlled by advanced elect...
Learn MoreThe automatic reset thermal cut-out is a fixed temperature disc type safety device that opens the control circuit when it’s set point is reached. It automatically resets and returns the heater to oper...
Learn MoreIt offers additional protection against overheating. It is standard on heaters of 30 KW and less and not in excess of 300 volts, and optional on all others. This switch must be manually reset to make ...
Learn MoreA built-in control transformer is required on most heaters to supply 24 volts to the control circuits. A Class II transformer has built-in safety protection and does not require primary fusing. Prim...
Learn MoreMagnetic contactors are used for stage switching and/or back-up for safety devices. Approved for 250,000 cycles. Magnetic contactors are cost effective and safe.
Learn MoreUsed to protect the total load or individual stages. High Rupture Capacity type (HRC Form 1).
Learn MoreA built-in disconnect switch allows heaters to disconnect individually in order to perform maintenance tasks. It is a positive and inexpensive way to meet the safety rules. It also reduces the electri...
Learn MoreSafety feature, monitors the quantity of air flowing through the heater, adjusts the heater’s capacity to match the air flow available and shuts the heater down in case of a total loss of air. This fe...
Learn MoreA pressure differential switch is used to prevent a heater from operating if there is no airflow across the heating elements. The switch is provided with a pitot tube to be installed into the duct, wh...
Learn MoreMercury contactors are used for stage switching. Advantages: silent operation. Exceptionally reliable. Long life expectancy (Tested for 1,000,000 cycles) Note: Mercury contactors are position sensitiv...
Learn MorePilot lights are mounted on the control box to indicate that either a function of the heater is operating or a failure condition is present. The most commonly specified pilot lights functions are: pow...
Learn MoreSolid State Relays are designed for controlling, silently and proportionally, a large amount of power in response to a pulsed signal (suitable for DDC, Direct Digital Control). They incorporate a dual...
Learn MoreThe D21-P electronic controller has been designed to take full advantage of our patented Air-Flow Sensor which modulates the heater’s capacity according to the quantity of air flowing through the heat...
Learn MoreThe D22-P electronic controller has been designed to take full advantage of our patented Air-Flow Sensor which modulates the heater’s capacity according to the quantity of air flowing through the heat...
Learn MoreThe D21-PS electronic controller has been designed to take full advantage of our patented Air-Flow Sensor which modulates the heater’s capacity according to the quantity of air flowing through the hea...
Learn MoreThe D21-PSSR electronic controller has been designed to be a compact solution to take full advantage of our patented Air-Flow Sensor which modulates the heater’s capacity according to the quantity of ...
Learn MoreThe D21-T electronic controller has been designed to take full advantage of our patented Air-Flow Sensor which modulates the heater’s capacity according to the quantity of air flowing through the heat...
Learn MoreThe D22-T electronic controller has been designed to take full advantage of our patented Air-Flow Sensor which modulates the heater’s capacity according to the quantity of air flowing through the heat...
Learn MoreThe D21-TS electronic controller has been designed to take full advantage of our patented Air-Flow Sensor which modulates the heater’s capacity according to the quantity of air flowing through the hea...
Learn MoreThe D21-TSSR electronic controller has been designed to be a compact solution that takes full advantage of our patented Air-Flow Sensor which modulates the heater’s capacity according to the quantity ...
Learn MoreThe D35 pre-calibrated electronic controller is Thermolec’s most flexible controller with four different input options on a single board. Jumper configurations are clearly indicated on the label and m...
Learn MoreHybrid sequential Step Controller The D46 hybrid sequential step controller is designed to be used where fine control accuracy is required and the heater capacity is too high to be handled economical...
Learn MorePneumatic-electronic transducer. The P37 is a Pneumatic-electronic transducer that converts a 2-13 psi input into a proportional Pulse or 0-10VDC output and therefore replaces both the P35 and P36. F...
Learn MoreElectronic Sequencer The TH34 electronic sequencer has been designed as a compact solution to replace bimetallic mechanical sequencers to split loads into smaller delayed sequences. When the thermost...
Learn More0-10 VDC Thermostat This thermostat can be used as a room stat or a duct stat with the optional DS600 sensor.
Learn MoreThis thermostat can be used as a 1 or 2-stage duct stat with the DS600 sensor.
Learn MoreDuct sensor The DS-600 is a thermistor based duct sensor designed to work with Thermolec’s thermostats and electronic controllers to modulate the heater’s capacity according to the heat required. In ...
Learn MoreAcuSteam High Limit cutoff Thermolec’s exclusive ACE SENSOR monitors the conditions in the duct to prevent excessive buildup of humidity. It is included with every AcuSteam Pro and may be used with t...
Learn MoreElectric Vehicle Energy Management System 30A/40A/50A/60A The DCC-9 is a patented Electric Vehicle Energy Management System (EVEMS) that allows a charger to be connected directly to the main power su...
Learn MoreElectric Vehicle Energy Management System 30A/40A/50A/60A The DCC-10 is a patented Electric Vehicle Energy Management System (EVEMS) that allows a charger to be connected directly to an electrical pa...
Learn MoreElectric Vehicle Energy Management System 30A/40A/50A/60A The DCC-11 is a patented Electric Vehicle Energy Management System (EVEMS) that allows a charger to be connected directly to the main power s...
Learn MoreElectric Vehicle Energy Management System The DCC-12 is a patented Electric Vehicle Energy Management System (EVEMS) that allows a charger to be connected directly to an electrical panel which would...
Learn MoreWith over 50 years of experience in the industry, Thermolec brings a wealth of knowledge and expertise to the table. Our qualified team of professionals can tailor electric heating solutions for the HVAC industry based on the unique needs of our clients. We are also the preferred partner for OEMs, offering customized solutions that seamlessly integrate into their products, enhancing performance and customer value. At Thermolec, we pride ourselves on unwavering commitment to service, going above and beyond to provide exceptional support and assistance throughout your journey with us.
Learn MoreThermolec designs and manufactures custom heaters for Original Equipment Manufacturers (OEMs), as well as custom duct heaters for a wide range of commercial applications. We always have a solution to fit your needs and requests.
Thermolec is proud to have taken part in a number of industrial projects where detailed specifications and high-end mechanical constructions are required.
Thermolec’s lines of plenum heaters, hydronic heaters, and humidifiers bring the best of HVAC solutions for homes. Our lines of Fresh air heaters, mini make-up air systems and humidifiers are always a great fit for condo towers to ensure proper air quality and comfort.
Utilize humidifiers in cabins and chalets to enhance air quality by introducing moisture. Elevate the protection of high-end musical instruments with advanced humidity control and maintain the integrity of hardwood floors by preventing issues like cracking and warping.
By far Thermolec is our BEST SUPPLIER. Requests for quotations are answered exceptionally quick. Parts and Tech support are spot on. It’s been a pleasure working with Thermolec.
If I were to present the top vendor award it would be to Thermolec when it comes to quick response times for quotations and/ or shop drawings.
The Thermolec team continues to do a good job for us, responding timely and providing information as requested. We typically do not see delays at the border disrupting deliveries.
Thermolec has been a solid partner to us from the very beginning of our company. We can always count on their whole team to be efficient and committed on every level. Our interactions with the team at Thermolec are always the most productive and courteous and leave us all satisfied with everybody’s work and the results it produces.
We have had the pleasure of representing Thermolec in the US market for over 20 years. We stock Thermolec electric boilers, plenum heaters, duct heaters, makeup air units and Acu-Steam humidifiers and sell through wholesale distributors. Over the years our customers have experienced excellent product quality, reasonable lead times and competitive pricing. Thermolec’s friendly and knowledgeable staff is always ready to help with application design, job quotes, approval drawings and technical support. We highly recommend Thermolec to all of our business partners.
We have been working with Thermolec for over 20 years. Robert and his team are a pleasure to work with and provide fast, excellent service. Thermolec makes a quality product that we are proud to offer to our customers. I hope we continue to work together for another 20 years at least.
2060 Lucien Thimens
Montreal, Quebec
H4R 1L1
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