King Electric Heaters: Built for Canadian Winters
King Electric is a Seattle, Washington, manufacturer of electric heating equipment, family-owned and American-made since 1958. Cleanflow stocks the King Electric range of industrial unit heaters, portable garage and shop heaters, baseboard heaters, and self-regulating heat trace cable built for residential, commercial, and industrial heating across Canada. King products are UL/ETL certified, meet Canadian safety standards, and run on 120V, 208V, or 240V, depending on the model.
Why King Electric
- Clean electric heat: no combustion, no fumes, no carbon monoxide, no venting required.
- 100% efficient at point of use: zone control means you only heat the spaces you need.
- Lower install cost: no ductwork or gas lines; most units mount with universal wall/ceiling brackets.
- Smart controls: ECO2S two-stage technology, programmable thermostats, remote control, and WiFi-thermostat-compatible models in the lineup.
- Canadian-stocked: Cleanflow ships King Electric products from our Winnipeg warehouse, with 1–3 business day delivery to the Prairies, Ontario, and Quebec, and free courier shipping on orders over $199.
Shop King Electric Heaters by Category
Cleanflow organizes the King Electric lineup into three families. Use the category that matches your job:
Pipe Freeze Protection Cable
Self-regulating heat trace cable for pipes, roofs, and gutters. Available in 120V and 240V, 3W to 10W per foot, in pre-assembled lengths and bulk coil. Connection kits, splice/tee kits, end seal kits, and plug-in GFCI kits are sold separately. Effective down to −40°F.
Shop Pipe Freeze Protection Cable →
Portable Electric Heaters
Spot heaters and freestanding units for shops, garages, and supplemental room heating. Includes the KP baseboard line, PSH Yellow Jacket shop heaters (120V and 240V), PUH utility ceramic heaters, and PGH portable garage heaters with overheat protection and built-in thermostats.
Shop Portable Electric Heaters →
Unit Heaters
Wall- or ceiling-mounted heaters for warehouses, garages, workshops, and industrial facilities. Includes the KB ECO2S two-stage smart unit heater (5–15kW), KB ECO2S+ with WiFi thermostat compatibility, KBP compact multi-watt unit, GH heavy-duty garage heater (5,000–10,000W), and EKB economy garage/shop heater.
Shop Unit Heaters →
Types of King Electric Heaters: Which One Fits Your Job
Different heating jobs need different products. This guide pairs the right King Electric heater type with the spaces and applications it's built for:
Convection baseboard heaters for steady room heating
Baseboard heaters draw cool air across an aluminum-finned heating element and let warm air rise into the room by natural convection. Quiet, no moving parts, and well-suited for bedrooms, offices, and supplemental warmth in finished spaces. The King KP portable baseboard line offers built-in thermostats, tip-over switches, and grounded cords for plug-and-play use. Best for: insulated rooms up to 200 sq.ft. per unit.
Fan-forced unit heaters for garages, warehouses, and workshops
Unit heaters use an internal fan to push heated air across a steel-fin element, distributing warmth evenly across larger spaces. Mount on a wall or ceiling to keep the floor clear. The KB ECO2S series uses two-stage smart staging (high/low) to match output to demand and reduce energy waste. The GH series and EKB series are simpler heavy-duty options for jobsite garages and shops. Best for: open spaces from 200 to 1,500+ sq.ft. depending on wattage.
Portable spot heaters for jobsite and supplemental heat
Portable heaters move where the work moves. The PSH Yellow Jacket portable shop heaters (1,500W on 120V or 3,750W on 240V) and the PUH utility ceramic heater offer built-in thermostats, overheat protection, and adjustable mounting. Use them for temporary heat during construction, in unheated workshops, or as supplemental heat in cold corners. Best for: focused heating on a specific work area.
Self-regulating heat trace cable for pipe and roof freeze protection
Heat trace cable wraps around pipes, runs along roof edges, and lines gutters. It automatically adjusts power output based on the surface temperature it touches, no thermostat required, and the cable can safely overlap itself without burning out. Available in 120V and 240V, in 3W, 5W, 8W, and 10W per foot. Use 5W/ft for residential pipe protection, 8–10W/ft for commercial pipes or roof and gutter de-icing in colder climates. Best for: −40°F-rated freeze protection on metal or plastic pipes.
King Electric Heater Sizing Reference Table
Match your space to the right wattage and product family. Use the BTU column when comparing against fuel-fired heaters (1 watt = 3.412 BTU/hr):
| Space Type |
Sq.Ft. Range |
Wattage |
BTU/hr (approx.) |
| Insulated room (bedroom, office) |
100–200 sq.ft. |
1,000–2,000W |
3,400–6,800 BTU |
| Insulated workshop / small garage |
200–400 sq.ft. |
2,000–5,000W |
6,800–17,000 BTU |
| Standard 2-car garage |
400–600 sq.ft. |
5,000–7,500W |
17,000–25,600 BTU |
| Large garage / small warehouse (insulated) |
600–1,000 sq.ft. |
7,500–10,000W |
25,600–34,100 BTU |
| Warehouse / industrial bay (poorly insulated, harsh climate) |
1,000–1,500 sq.ft. |
12,000–15,000W |
40,900–51,200 BTU |
| Pipe freeze protection (residential, metal/plastic) |
Per linear foot |
5W/ft @ 120V |
17 BTU/ft |
| Roof & gutter de-icing or commercial pipe |
Per linear foot |
8–10W/ft @ 240V |
27–34 BTU/ft |
Sizing rules to remember: 10 watts/sq.ft. for well-insulated rooms; 12–15 watts/sq.ft. for garages, poorly insulated areas, and most Canadian climates. Add capacity for ceilings above 8 ft, frequent door cycles, or large temperature swings.
👉 Use the Cleanflow BTU Calculator to size your space precisely without manual math.
King Electric Heating Products at Cleanflow
Pipe Freeze Protection Cable
Prevent frozen pipes even in extreme temperatures as low as −40°F with King Electric’s self-regulating cables. These cables adjust output to surface temperature, ensuring safe and energy-efficient performance. Compatible with both metal and plastic pipes, they come in various lengths and voltages and are easy to install with controllers and weather-resistant accessories. Perfect for residential, commercial, industrial, and hazardous locations.
120V Self-Regulating Heating Cable
Get plug-and-play convenience with King Electric’s 120V self-regulating heating cable. Ideal for pipes, roofs, and gutters, this cable automatically adjusts to ambient temperatures, no thermostat needed. Works on both shingle and metal roofs and plastic or metal pipes. Effective in extreme cold, down to −40°F.
Portable Electric Heaters
For rugged spot heating, King Electric portable heaters work for homes, workshops, and commercial spaces. The lineup includes the PSH Yellow Jacket portable shop heater (120V/1,500W and 240V/3,750W versions, with built-in thermostat and adjustable tilt), the PUH portable utility ceramic heater (120V dual-power 750/1,500W), and the PGH portable garage heater (208/240V, 3,770W, with overheat protection and a universal mounting bracket). Several PSH and PUH models are also approved for sheltered outdoor use.
KP Portable Baseboard Heaters
Enjoy quiet convection heat with King Electric’s KP portable baseboard heaters. They feature a built-in thermostat, an aluminum-finned element for even warmth, a tip-over switch, overheat protection, a grounded cord, and a convenient carry handle. With a tough enamel finish, these heaters are ideal for supplemental heat in any room.
Unit Heaters
King Electric unit heaters deliver high-capacity heat for warehouses, garages, workshops, and industrial facilities. Designed for ceiling or wall mounting, they keep the floor clear and distribute heated air evenly. The lineup includes the KB ECO2S two-stage smart unit heater (5kW–15kW with remote, timer, and fan-only mode), the KB ECO2S+ (5–10kW with WiFi thermostat compatibility), the KBP compact multi-watt unit (120V and 240V models for smaller shops and greenhouses), the GH compact heavy-duty heater (240V, 5,000–10,000W with steel fin heat exchanger), and the EKB garage/shop heater (240V, 2,850–5,000W as an affordable starting point).
KB ECO2S Two-Stage Electric Unit Heater
ECO2S technology automatically stages heat (high/low) to match demand, maximizing comfort and efficiency. Eco Mode reduces costs by holding the temperature at the lowest necessary wattage. Includes remote, timer, fan-only mode, Smart Limit Protection, and fan delay for cooldown. Fast install; year-round utility.
Get King Electric Heating Products at Clean Flow
- Wide selection in Canada
- Fast shipping nationwide
- Expert product advisors
- Volume discounts across the brand
- Easy online ordering and tracking
With Clean Flow, you can trust that your heating needs will be met with top-of-the-line King Electric products.
Heater Sizing Made Simple
Choosing the right heater size is critical to maximizing comfort, reducing energy waste, and ensuring your system performs as expected especially in Canada’s demanding climate. A heater that’s too small will struggle to warm the room, while an oversized unit may waste energy through frequent cycling and overshooting the target temperature.
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Start with square footage
Use this general rule:
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10 watts per square foot for well-insulated rooms
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12–15 watts per square foot for garages or poorly insulated areas
- Example: A 150 sq. ft. room × 10 watts = 1,500 watts required
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Consider insulation levels
The better the insulation (higher R-value), the less wattage needed. Poor insulation? Add extra capacity.
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Factor in ceiling height
Rooms with ceilings above 8 feet may need additional power. As a guide, multiply the room’s cubic feet by your chosen watts/sq. ft. value for more precision.
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Choose the right voltage
King Electric offers heaters in 120V, 208V, and 240V.
- Replacing a heater? Match the existing voltage
- New install? A dedicated 240V circuit is ideal for high-efficiency heating
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Know your heating zone
Canadian climates often require higher output.
- Milder zones: 7–9 watts/sq. ft.
- Colder zones (like most of Canada): 12–15 watts/sq. ft.
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Avoid oversizing
Bigger isn't better. Oversized heaters can cause temperature swings and consume more energy without improving comfort.
Buy King Electric Heaters Online from Cleanflow
Cleanflow stocks the King Electric range of industrial unit heaters, portable garage and shop heaters, baseboard heaters, and self-regulating heat trace cable for residential, commercial, and industrial heating jobs across Canada. Browse the categories above, or call our team at 1-866-335-1078 for sizing help, voltage questions, or special-order quotes on the broader King Electric catalog.
Where are King Electric heaters made?
King Electric designs and manufactures its heaters in the USA, and they are distributed across Canada through authorized suppliers like Cleanflow.
Are King Electric garage heaters good?
Yes. King Electric garage heaters are built for rugged, draft-prone spaces and feature ceiling or wall mounting, directional louvers, durable construction, and smart controls for efficient heating in garages and workshops.
Which is the most efficient electric heater?
All electric heaters are 100% efficient at the point of use. For larger spaces, two-stage or staged heaters such as King Electric’s ECO2S models improve real-world efficiency by matching heat output to demand.
Which electric heater uses less electricity?
Heaters with smart staging, ECO modes, programmable thermostats, and proper sizing use less electricity over time by reducing run time, preventing overheating, and maintaining consistent comfort levels.
What size King Electric garage heater do I need?
For a typical insulated 2-car garage (400–600 sq. ft.), a 5,000–7,500W unit heater handles most Canadian climates. That's the GH 5,000W or KB ECO2S 5kW. For larger or poorly insulated garages up to 1,000 sq. ft., step up to a 10,000W unit like the KB ECO2S 10kW or GH 10,000W. Use the King Electric Heater Sizing Reference Table above for precise matches, and the Cleanflow BTU calculator for non-standard spaces.
Do King Electric heaters work on a 120V circuit, or do I need 240V?
Both. The portable line (PSH Yellow Jacket 120V, PUH utility ceramic, KP baseboards) and the KBP compact unit heater run on standard 120V outlets. Higher-output models like the GH heavy-duty, KB ECO2S series, and PSH 3,750W shop heater require a dedicated 208V or 240V circuit. For new installs, a 240V circuit is more efficient for high-output heating; for replacements, match the existing voltage.
How much can ECO2S two-stage technology save on heating costs?
Exact savings depend on space size, insulation, and run time, but two-stage heaters reduce electricity consumption by holding the temperature at the lowest necessary wattage and only ramping to full output when needed. Operating a dual-wattage King heater on 208V (instead of 240V) draws 13% fewer amps and 25% less wattage. The KB ECO2S+ adds WiFi thermostat compatibility for further programmable savings.
