Radiant Tube Heater Size Calculator
| Square Footage | Approximate BTU Size |
|---|---|
| 100 sq ft | 2,500 – 4,000 BTUs |
| 250 sq ft | 6,250 – 10,000 BTUs |
| 500 sq ft | 12,500 – 20,000 BTUs |
| 750 sq ft | 18,750 – 30,000 BTUs |
| 1,000 sq ft | 25,000 – 40,000 BTUs |
| 1,500 sq ft | 37,500 – 60,000 BTUs |
| 2,000 sq ft | 50,000 – 80,000 BTUs |
FAQs
How do you size a radiant tube heater? Sizing a radiant tube heater depends on factors like the room’s insulation, desired temperature rise, and climate. A rough estimation is around 25-30 BTU per square foot for residential spaces and 30-40 BTU per square foot for commercial spaces.
How many BTU tube heater do I need? For a 1,000 square foot space, you might need around 25,000-30,000 BTUs.
How many tube heaters do I need? One tube heater may be sufficient for small spaces, but for larger areas, you may need multiple units spaced evenly to ensure even heating.
How many BTU per square foot for radiant heat? Approximately 25-40 BTU per square foot depending on factors like insulation and climate.
How much radiant heat tubing do I need? Estimate about 1.5 to 2 linear feet of tubing per square foot of space.
How many square feet will a 1500 watt radiant heater heat? A 1500 watt heater can generally heat a room of around 150-200 square feet.
Do tube heaters cost a lot to run? Tube heaters can be cost-effective due to their efficiency, but running costs depend on factors like energy prices and usage patterns.
What size BTU heater do I need for 1000 sq ft? For a 1,000 square foot area, you might need approximately 25,000-30,000 BTUs.
How long will a 15000 BTU heater run on a 20 lb tank? A 15,000 BTU heater can run for roughly 10-15 hours on a 20 lb propane tank.
Can you leave a tubular heater on all the time? It’s generally safe to leave tube heaters on continuously, but consider energy efficiency and safety precautions.
Where is the best place to put a tube heater? Mount tube heaters near the ceiling and parallel to the primary heat loss areas, ensuring even heat distribution.
What is the life expectancy of a radiant tube heater? Radiant tube heaters can last 20-30 years with proper maintenance.
How many square feet will 100,000 BTU heat? Around 2,500-4,000 square feet, depending on insulation and climate.
How many BTU do I need to heat 1500 square feet? For 1,500 square feet, estimate 37,500-60,000 BTUs.
How do I calculate BTU for hydronic heating? Calculate the BTU needed by multiplying the space’s square footage by the desired temperature rise (in degrees Fahrenheit) and then dividing by the heat loss factor for your area.
How far apart should radiant tubing be? Spacing between radiant tubing typically ranges from 6 to 12 inches, depending on the tubing size and heat requirements.
What is the best tubing for radiant heat? PEX (cross-linked polyethylene) tubing is commonly used for radiant heat systems due to its flexibility and durability.
How to determine the correct tube size and spacing for your project? Consult with a professional to perform a heat loss calculation and design a system that meets your specific needs.
What size heater for 1500 sq ft? For 1,500 square feet, consider a heater in the range of 37,500-60,000 BTUs.
How many watts per square foot for radiant heat? Estimate about 10-15 watts per square foot for radiant heating.
How efficient are radiant tube heaters? Radiant tube heaters are efficient because they directly heat objects and people, reducing heat loss compared to forced-air systems.
Will a tube heater heat a room? Yes, tube heaters are designed to heat rooms efficiently.
Is underground heating worth it? Underfloor heating can be worth it for comfort and energy savings, especially in well-insulated homes.
How many square feet can a 12,000 BTU heater heat? A 12,000 BTU heater can heat roughly 300-500 square feet.
How many square feet will a 20,000 BTU heater heat? A 20,000 BTU heater can heat approximately 500-800 square feet.
How many square feet will a 150,000 BTU heater heat? A 150,000 BTU heater can heat around 3,750-6,000 square feet.
How long will a Mr. heater 30,000 BTU run on a 20 lb tank? A 30,000 BTU Mr. heater can run for about 10-15 hours on a 20 lb propane tank.
How long will a 20 lb propane tank last on a 30,000 BTU heater? A 20 lb propane tank can last roughly 10-15 hours with a 30,000 BTU heater.
How long will a 20 lb propane tank last on a 50,000 BTU heater? A 20 lb propane tank can last approximately 6-10 hours with a 50,000 BTU heater.
What is the surface temperature of a tubular heater? Surface temperatures of tubular heaters vary but typically stay within safe operating ranges.
What are the benefits of tubular heaters? Tubular heaters offer efficient and localized heating, making them suitable for various applications.
Can you mount a tube heater vertically? Yes, tube heaters can be mounted vertically or horizontally depending on the design and manufacturer’s guidelines.
Do tube heaters need to be vented? Venting requirements depend on the specific type of tube heater, but many do not require venting.
How safe are tube heaters? Tube heaters are generally safe when installed and operated according to manufacturer instructions.
How well do tube heaters work? Tube heaters work well for targeted heating, offering efficiency and comfort.
Can you leave a radiant heater on 24/7? Leaving a radiant heater on continuously is generally safe but consider energy costs and safety precautions.
What is the difference between radiant heat and tube heaters? Radiant heat refers to the method of heating, while tube heaters are a specific type of radiant heater that uses tubes to distribute heat.
What are the cons of radiant heaters? Radiant heaters can be more expensive to install upfront compared to forced-air systems.
How many square feet will 400,000 BTU heat? Around 10,000-16,000 square feet, depending on insulation and climate.
How many square feet can 80,000 BTU heat? Approximately 2,000-3,200 square feet, depending on insulation and climate.
Is 8,000 BTU too much for 150 square feet? Yes, 8,000 BTUs would likely be excessive for a 150 square foot space.
How many BTU do I need for 2,000 square feet? For 2,000 square feet, estimate 50,000-80,000 BTUs.
How many BTUs do I need for 1,200 square feet? For 1,200 square feet, estimate 30,000-48,000 BTUs.
What size boiler do I need for 2,000 square feet? The boiler size depends on factors like insulation and desired temperature rise, but it’s typically in the range of 50,000-80,000 BTUs.
How do you size radiant heat? Sizing radiant heat involves calculating the heat loss of the space and determining the appropriate heat source capacity.
What is the rule of thumb for BTU? A common rule of thumb is to estimate 20-30 BTUs per square foot for residential heating.
Do you use 1/2 or 3/4 PEX for radiant heat? 3/4-inch PEX is often used for radiant heat systems, but 1/2-inch can work for smaller projects.
What size PEX tubing should I use for radiant heat? 3/4-inch PEX tubing is commonly used for radiant heat installations.
Can you use PEX pipe for radiant heat? Yes, PEX is a popular choice for radiant heat tubing.
Can you use regular PEX for radiant heat? Regular PEX can be used for radiant heat if it’s designed for such applications.
How do you layout radiant tubing? Radiant tubing should be evenly spaced and installed in a serpentine or spiral pattern to ensure even heat distribution.
How do I know what size tube I need? Consult with a professional to determine the appropriate tube size based on your heating requirements.
How many zones do I need for radiant heat? The number of zones in a radiant heat system depends on the size and layout of your space.
How do I choose a tubing size? Select the tubing size based on the heat load and design of your radiant heat system.
How many square feet can a 1,500 watt heater heat? A 1,500 watt heater can typically heat a room of around 150-200 square feet.
How many square feet will a 50,000 BTU heater heat? A 50,000 BTU heater can heat approximately 1,250-2,000 square feet.
How many square feet can a 1,500 watt heater heat? A 1,500 watt heater can heat about 150-200 square feet.
How many square feet will 100,000 BTU heat? Around 2,500-4,000 square feet, depending on insulation and climate.
How many square feet will 30,000 BTU cover? Approximately 750-1,200 square feet, depending on insulation and climate.
How many BTU do I need to heat 800 square feet? For 800 square feet, estimate 20,000-32,000 BTUs.
How many watts does it take to heat 1,000 square feet? Approximately 10,000-15,000 watts for electric heating.
How many watts does it take to heat 250 square feet? Around 2,500-3,750 watts for electric heating.
Does radiant heat use a lot of electricity? Radiant heat can be energy-efficient, but it depends on the heating source and usage patterns.
What are the disadvantages of underground heating? Disadvantages can include higher installation costs and limited control over heating zones.
What are the pitfalls of underfloor heating? Pitfalls can include the potential for uneven heating if not installed correctly and higher upfront costs.
Are radiant tube heaters more efficient than forced air? Radiant tube heaters are often more efficient because they directly heat objects and people, reducing heat loss.
How efficient are radiant tube heaters? Radiant tube heaters are generally highly efficient due to their direct heating method.
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