Construction Heating BTU Requirements Explained
Construction heating BTU requirements are determined by the building volume, outdoor temperature, desired indoor temperature, building enclosure status, air infiltration, and construction stage. While simple formulas can provide rough estimates, accurate temporary heating calculations must account for heat loss through open walls, roof openings, doors, windows, ventilation requirements, and changing site conditions throughout the project.
Why Construction Heating Calculations Matter
Temporary heating is often viewed as simply adding heat to a cold job site, but calculating construction heating BTU requirements is really about matching heat output to the conditions, materials, and work being performed. In reality, proper heater sizing directly impacts:
- Concrete curing performance
- Drywall installation
- Painting and coating applications
- Worker productivity
- Project schedules
- Fuel consumption
- Equipment costs
Undersized heaters can lead to project delays, material failures, and increased operating costs. Oversized heaters can waste fuel and create temperature control challenges.
For this reason, understanding construction heating BTU requirements is an important step in planning any cold-weather construction project.
Table of Content
- What Are Construction Heating BTU Requirements?
- A Simple Construction Heating Formula
- Construction Heating Formula Library
- Construction Stage BTU Requirements
- Factors That Affect Construction Heating BTU Requirements
- Real-World Construction Heating Examples
- BTU Requirements for Concrete Curing
- Quick Construction Heating BTU Guide
- Common Mistakes When Calculating Temporary Heating Requirements
- When to Consult a Heating Specialist
- Aerotech Herman Nelson Experience
- Using a BTU Calculator vs Manual Calculations
- Frequently Asked Questions
- Key Takeaways
What Are Construction Heating BTU Requirements?
A BTU (British Thermal Unit) measures the amount of heat required to raise one pound of water by one degree Fahrenheit.
In construction heating, BTUs are used to estimate how much heat energy is required to maintain desired temperatures inside a building or work area.
The larger the space and the greater the heat loss, the more BTUs will be required.
A Simple Construction Heating Formula
A basic starting point is:
Building Volume × Temperature Difference × Heat Loss Factor = Approximate BTU Requirement
Example
Building Dimensions:
- Length: 100 ft
- Width: 50 ft
- Height: 20 ft
Building Volume:
100 × 50 × 20 = 100,000 cubic feet
Desired Temperature:
50°F
Outdoor Temperature:
10°F
Temperature Difference:
40°F
At this point a heat-loss factor must be applied based on the building’s enclosure status.
This provides only an estimate and should not be considered a final equipment selection method.
Construction Heating Formula Library
The following formula library provides a practical starting point for understanding construction heating BTU requirements. These formulas are not a replacement for a project-specific heating assessment, but they help explain the main variables that affect temporary heater sizing.
Formula 1: Building Volume Formula
Before heating requirements can be estimated, the building volume must be determined.
Formula:
Length × Width × Height = Cubic Feet
Example:
100 ft × 50 ft × 20 ft
= 100,000 Cubic Feet
This calculation provides the starting point for estimating temporary heating requirements.
Formula 2: Temperature Differential Formula
The greater the difference between outdoor and desired indoor temperatures, the more heating capacity will be required.
Formula:
Desired Indoor Temperature – Outdoor Temperature = Temperature Difference
Example:
50°F – 10°F
= 40°F Temperature Difference
Projects operating in extreme winter conditions often experience significantly higher heating requirements because of this temperature gap.
Formula 3: Preliminary BTU Formula
A simplified BTU estimate can be calculated using:
Building Volume × Temperature Difference × Heat Loss Factor
Example:
100,000 Cubic Feet × 40°F × Heat Loss Factor
The heat loss factor varies depending on:
- Building enclosure status
- Wind exposure
- Air infiltration
- Ventilation requirements
This formula should only be used for preliminary planning purposes.
Formula 4: Fuel Consumption Estimator
Construction managers often need to estimate fuel requirements before equipment arrives on site.
Formula:
Heater BTU Output ÷ Fuel Energy Content = Approximate Fuel Consumption
Actual fuel usage will vary based on operating conditions, run times, and heater efficiency.
Formula 5: Multi-Heater Planning Formula
Large projects often require multiple heaters.
Formula:
Total Required BTUs ÷ Individual Heater Output
Example:
1,200,000 BTU Requirement
÷
400,000 BTU Heater
=
3 Heaters Required
This approach is commonly used on large commercial and industrial construction projects.
Formula 6: Air Change Adjustment Formula
Construction projects often experience significant heat loss due to air infiltration.
Formula:
Building Volume × Air Changes Per Hour × Temperature Difference
This is particularly important when:
- Large doors remain open
- Buildings are partially enclosed
- Ventilation systems are operating
- Wind exposure is significant
This reinforces one of the most important real-world variables.
Why Construction Sites Are Different from Finished Buildings
Traditional HVAC calculations assume a completed structure.
Construction projects are constantly changing.
A building that is open in November may be enclosed by January.
As the project progresses, BTU requirements often change significantly.
Typical Heating Requirements by Construction Stage
| Construction Stage | Relative Heat Loss | Typical BTU Demand |
|---|---|---|
| Excavation and Foundations | Extremely High | Very High |
| Structural Steel Only | Extremely High | Very High |
| Partial Building Shell | High | High |
| Building Enclosed | Moderate | Moderate |
| Interior Finishing | Lower | Lower |
Construction Stage BTU Requirements
How Construction Progress Impacts Heating Demand
| Project Stage | Typical Heat Loss | Planning Priority |
|---|---|---|
| Foundations | Very High | Frost Protection |
| Structural Steel | Very High | Worker Comfort |
| Partial Enclosure | High | Heat Retention |
| Enclosed Building | Moderate | Consistent Temperatures |
| Interior Finishing | Lower | Material Protection |
One of the biggest misconceptions about construction heating BTU requirements is that a single BTU calculation will remain accurate for the entire project. In reality, heating requirements evolve as the building progresses from an open job site to an enclosed structure.
During the early stages of construction, the majority of heat generated by temporary heaters is quickly lost to the surrounding environment. As walls, roofing, windows, and doors are installed, the building begins to retain heat more effectively, often allowing contractors to reduce heating capacity or reconfigure equipment placement.
Understanding how heating requirements change throughout each stage of construction helps improve equipment selection, reduce fuel consumption, and maintain consistent working conditions from groundbreaking through project completion.
Foundation and Excavation Stage
The foundation stage typically experiences the highest rate of heat loss because there is little or no building envelope to retain warmth. Temporary heating is often used to prevent frost penetration, thaw frozen ground, protect freshly placed concrete, and provide safer working conditions for construction crews.
At this stage, heaters are frequently required to operate continuously, particularly during extended periods of freezing weather. Wind exposure and open site conditions can significantly increase heating demand, making accurate planning essential.
Typical heating priorities include:
- Frost prevention
- Ground thawing
- Concrete protection
- Worker comfort
- Equipment reliability
Structural Steel Stage
Once structural steel begins to rise, the project remains highly exposed to outdoor conditions. Although the building’s footprint has taken shape, there are still few barriers to prevent warm air from escaping.
Heating systems during this phase focus on maintaining productive working conditions for crews, preventing weather-related delays, and supporting ongoing construction activities. Because large open spaces allow heated air to dissipate quickly, multiple heaters or strategically placed ducting may be required to distribute heat effectively.
Partial Enclosure Stage
As exterior walls, roofing systems, and portions of the building envelope are completed, heat retention begins to improve. This is often the point where construction managers should reassess their temporary heating strategy.
A heater that was appropriately sized during the structural steel phase may now provide more heat than necessary, while equipment placement and airflow patterns may also need to change as interior spaces become defined.
Reviewing BTU requirements during this stage can improve fuel efficiency and reduce unnecessary operating costs while maintaining comfortable working conditions.
Building Enclosure Stage
Once windows, exterior doors, and the majority of the building envelope are installed, the structure begins to perform much more like a completed building. Heat loss is significantly reduced, allowing indoor temperatures to stabilize more easily.
Although overall BTU demand often decreases, maintaining consistent temperatures becomes increasingly important for protecting building materials and supporting interior construction activities.
Heating priorities typically shift from generating maximum heat to maintaining stable environmental conditions.
Interior Finishing Stage
During the final stages of construction, temperature consistency becomes more important than simply producing large amounts of heat. Many finishing materials perform best within specific temperature and humidity ranges.
Temporary heating helps create suitable conditions for:
- Drywall installation and finishing
- Paint and coatings
- Flooring installation
- Adhesives and sealants
- Interior trim work
- Final commissioning activities
Even though BTU requirements are generally lower than during the early phases of construction, maintaining stable temperatures can have a significant impact on the quality of the finished project and help avoid costly rework before occupancy.
Factors That Affect Construction Heating BTU Requirements
Even after calculating your building volume and temperature difference, determining the correct BTU requirement is not as simple as plugging numbers into a formula. Construction sites are dynamic environments where heat loss changes as the project progresses. Understanding the following factors will help you make more accurate heating estimates and avoid undersizing or oversizing your temporary heating equipment.
Outdoor Temperature
Outdoor temperature has the greatest impact on temporary heating requirements. The colder the ambient temperature, the more heat energy is required to maintain a safe and productive working environment.
For example, a construction project in Winnipeg, Edmonton, or Northern Saskatchewan during January may require significantly more heating capacity than an identical project in Southern Ontario or coastal British Columbia simply because of the larger temperature difference between outside conditions and the desired indoor temperature.
When planning winter construction, consider average temperatures as well as overnight lows and sudden cold snaps that may increase heating demand.
Wind Exposure
Wind is one of the most underestimated contributors to heat loss on construction sites.
Unlike completed buildings, many construction projects have open structural elements, unfinished walls, and temporary access points that allow heated air to escape. Strong winds continually replace warm air with cold outside air, forcing heating equipment to work harder to maintain target temperatures.
Projects located on open prairies, elevated sites, or exposed industrial facilities typically require more heating capacity than projects protected by surrounding buildings or natural windbreaks.
Building Volume
Heating requirements are based on the volume of air being heated rather than floor area alone.
A 10,000-square-foot warehouse with 30-foot ceilings contains substantially more air than a building with 12-foot ceilings, even though both have the same floor area. Higher ceilings, open atriums, and large industrial spaces increase the amount of air that must be heated and circulated.
For this reason, construction heating calculations typically begin with cubic volume rather than square footage.
Openings and Air Leakage
Every opening in a building allows warm air to escape and cold air to enter.
Common sources of heat loss include:
- Open personnel and equipment doors
- Missing windows and glazing
- Roof penetrations
- Mechanical service openings
- Temporary access points
- Incomplete building envelopes
As construction progresses and these openings are closed, overall heat loss decreases. This is one of the primary reasons BTU requirements often change from one phase of construction to the next.
Ventilation Requirements
Many construction activities require fresh air ventilation for worker safety and indoor air quality.
Processes such as painting, coating application, welding, and the use of combustion-powered equipment may require outside air to be introduced into the building. While necessary, this fresh air must also be heated, increasing the overall BTU demand.
When ventilation requirements are significant, they should always be considered during temporary heater selection to ensure the system can maintain the desired temperature while supplying adequate fresh air.
Real-World Construction Heating Examples
The following examples demonstrate how construction heating requirements can vary depending on project stage, weather conditions, and operational objectives. While every project should be evaluated individually, these scenarios illustrate the thought process used when estimating temporary heating requirements.
Example 1: Commercial Warehouse Project
Project Overview
- Building Size: 10,000 sq ft
- Ceiling Height: 20 ft
- Construction Stage: Partially Enclosed
- Building Volume: 200,000 cubic feet
Project Conditions
- Outdoor Temperature: 10°F
- Desired Indoor Temperature: 50°F
- Temperature Difference: 40°F
Step 1 – Calculate Building Volume
The first step is determining the amount of air that must be heated.
10,000 sq ft × 20 ft = 200,000 cubic feet
This provides the starting point for estimating the required heating capacity.
Step 2 – Evaluate Heat Loss
Although the roof and much of the exterior structure are complete, several large openings remain for equipment access and material deliveries. These openings increase air infiltration and reduce the building’s ability to retain heat.
Additional considerations include:
- Wind exposure
- Frequency of door openings
- Incomplete wall sections
- Ventilation requirements
Step 3 – Select an Appropriate Heating Strategy
Rather than relying on a single calculation, the heating strategy should account for changing site conditions.
Possible solutions may include:
- One larger indirect-fired heater
- Multiple smaller heaters positioned throughout the building
- Supplemental air circulation to improve temperature consistency
Result
Based on these conditions, the project would likely require several hundred thousand BTUs of temporary heating capacity. As construction progresses and the building becomes fully enclosed, heating requirements should be reviewed and adjusted accordingly.
Example 2: Concrete Curing Application
Project Overview
Concrete is scheduled to be poured during late fall when overnight temperatures are expected to drop below freezing.
Primary Objectives
- Prevent concrete from freezing
- Maintain curing temperatures
- Support proper strength development
- Keep the project on schedule
Key Planning Considerations
Unlike worker comfort applications, concrete curing focuses on maintaining consistent temperatures around the concrete itself.
Before placement, the project team should evaluate:
- Weather forecasts
- Wind conditions
- Placement schedule
- Enclosure options
- Available heating equipment
Waiting until after concrete has been poured to develop a heating plan can increase both costs and project risk.
Result
Temporary heating becomes part of the concrete curing process itself rather than simply providing a warmer working environment.
Example 3: Interior Finishing Project
Project Overview
The building envelope has been completed, windows and doors are installed, and interior finishing activities have begun.
Primary Objectives
- Maintain stable indoor temperatures
- Protect temperature-sensitive materials
- Improve finish quality
- Support trade productivity
Changing Heating Priorities
Although the overall BTU requirement is lower than during earlier construction stages, temperature consistency becomes much more important.
Heating systems now help create suitable conditions for:
- Drywall finishing
- Paint application
- Flooring installation
- Adhesive curing
- Interior trim work
Large temperature fluctuations during this stage can negatively affect material performance and lead to costly rework.
Result
The project transitions from maximizing heat output to maintaining a controlled indoor environment that supports high-quality finishing work and successful project completion.
Key Lesson from These Examples.
Every construction project is unique. While formulas provide a valuable starting point, accurate temporary heating plans should also consider weather conditions, construction progress, building enclosure, ventilation requirements, and operational objectives. Reviewing BTU requirements at each major stage of construction helps improve efficiency, reduce fuel costs, and maintain consistent project performance.
Special Applications Require Additional Heating Considerations
Not every temporary heating project is focused on maintaining comfortable working conditions. In many cases, the primary objective is protecting temperature-sensitive materials or construction processes.
Concrete curing is one of the best examples.
Unlike general space heating, concrete curing requires contractors to maintain consistent temperatures around newly placed concrete to support proper hydration and strength development. The consequences of inadequate heating can extend well beyond worker comfort, potentially affecting project schedules, material performance, and long-term structural quality.
Because of these unique requirements, concrete curing deserves its own heating strategy.
Planning Temporary Heat for Concrete Curing
Concrete curing is one of the most common—and most critical—applications for temporary heating during winter construction. While worker comfort is important, the primary objective is protecting the concrete itself.
Freshly placed concrete undergoes a chemical hydration process that generates heat. However, if surrounding temperatures fall too low, this process slows dramatically and may stop altogether. In severe cases, freezing temperatures can permanently damage the concrete before it reaches its design strength.
Proper temporary heating helps contractors:
- Protect concrete quality
- Support proper strength development
- Reduce curing delays
- Maintain project schedules
- Minimize costly repairs or replacement
Why Concrete Requires Special Consideration
Unlike heating an enclosed workspace, concrete curing requires consistent temperatures rather than simply producing large amounts of heat.
Uneven heating can create temperature variations across the slab or structure, while excessive airflow may accelerate moisture loss. Both conditions can negatively affect the curing process.
For this reason, many contractors combine temporary heating with insulated blankets, temporary enclosures, and careful airflow management.
Common Temporary Heating Solutions
Depending on the project, contractors may use:
- Indirect-fired heaters
- Temporary heated enclosures
- Concrete curing blankets
- Heated air distribution systems
- Air circulation fans
The most appropriate solution depends on weather conditions, concrete placement schedules, project size, and the level of enclosure available.
Planning Ahead
Before placing concrete in cold weather, project teams should evaluate:
- Expected daytime and overnight temperatures
- Wind exposure
- Concrete placement schedule
- Building enclosure status
- Available heating equipment
- Fuel availability
- Temperature monitoring requirements
Developing a heating plan before concrete placement is typically more effective—and less expensive—than reacting after temperatures begin to fall.
Concrete Curing Is Just One Application
Concrete curing is only one example of a temperature-sensitive construction activity.
Other operations that may require carefully planned temporary heating include:
- Drywall finishing
- Paint and coating application
- Flooring installation
- Adhesive curing
- Equipment commissioning
- Material storage
Each application may have different temperature and airflow requirements, reinforcing the importance of selecting temporary heating equipment based on the specific needs of the project.
Temporary heating isn’t just about making a building warm—it’s about supporting the work being performed.
Quick Construction Heating BTU Guide
The following table provides a general starting point for estimating temporary heating requirements on construction projects. These ranges are intended for preliminary planning and budgeting rather than final equipment selection.
Because every construction site is different, actual BTU requirements can vary significantly depending on weather conditions, building enclosure, wind exposure, ventilation requirements, ceiling height, and the stage of construction.
| Building Area | Typical BTU Range |
|---|---|
| 5,000 sq ft | 200,000 – 400,000 BTU |
| 10,000 sq ft | 400,000 – 800,000 BTU |
| 20,000 sq ft | 800,000 – 1,600,000 BTU |
| 50,000 sq ft | 2,000,000 – 4,000,000 BTU |
How to Use This Table
Think of these BTU ranges as a planning tool rather than an exact calculation.
For example, a 10,000-square-foot project that is fully enclosed with minimal air infiltration may require heating capacity near the lower end of the range. The same building, if only partially enclosed and exposed to strong winter winds, could require heating capacity closer to the upper end—or even beyond it.
Rather than focusing on a single BTU number, construction managers should evaluate the overall project conditions and determine where their site falls within the expected range.
Why the Range Is So Wide
Many people expect there to be one “correct” BTU requirement for a building, but construction projects rarely work that way.
Several factors can dramatically increase or decrease heating demand, including:
- Building enclosure status
- Ceiling height and total building volume
- Outdoor temperature
- Wind exposure
- Frequency of door openings
- Air infiltration
- Ventilation requirements
- Construction activities being performed
Two projects with identical square footage may require completely different heating solutions simply because the site conditions are different.
When to Move Beyond Preliminary Estimates
The BTU ranges shown above are ideal for early project planning, budgeting, and comparing equipment options.
However, if your project involves:
- Extreme winter temperatures
- Large commercial or industrial buildings
- Concrete curing
- Critical infrastructure
- Remote locations
- Temperature-sensitive construction activities
a more detailed heating assessment is recommended before selecting equipment.
Using a BTU calculator or consulting a temporary heating specialist can help ensure the selected equipment matches the actual conditions on site, improving efficiency while reducing fuel consumption and the risk of weather-related delays.
Common Mistakes When Calculating Temporary Heating Requirements
Even experienced construction teams can underestimate the complexity of temporary heating. Small planning mistakes made early in a project can lead to higher fuel costs, equipment shortages, construction delays, and inconsistent working conditions.
Understanding the following common mistakes can help improve heater selection and reduce the risk of weather-related disruptions.
Using Square Footage Alone
One of the most common mistakes is selecting temporary heating equipment based solely on floor area.
While square footage provides a general reference, it does not account for ceiling height, building volume, air infiltration, or construction stage. Two buildings with identical floor areas may require dramatically different heating capacities simply because one has higher ceilings or is less enclosed.
Whenever possible, heating calculations should begin with building volume rather than square footage.
Ignoring Wind Conditions
Wind is often one of the largest contributors to heat loss on an active construction site.
Strong winds continually replace warm indoor air with cold outside air through open doors, unfinished walls, and roof openings. Even properly sized heaters can struggle to maintain temperatures if wind exposure is not considered during planning.
Projects located in open areas, elevated sites, or regions known for severe winter weather should account for additional heating demand.
Assuming Conditions Will Remain Constant
Construction projects are constantly changing.
As walls, windows, roofing systems, and doors are installed, the building begins retaining heat more effectively. A heater that is appropriately sized during the structural steel stage may become oversized once the building is enclosed.
Reviewing heating requirements at each major construction milestone helps improve fuel efficiency while maintaining consistent working conditions.
Underestimating Air Infiltration
Every opening in the building envelope represents a potential source of heat loss.
Loading doors, temporary access points, missing windows, roof penetrations, and mechanical openings all allow warm air to escape and cold air to enter. In many cases, air infiltration has a greater impact on heating requirements than the outside temperature itself.
Reducing unnecessary air leakage can often improve heating performance without increasing equipment capacity.
Waiting Too Long to Plan
Many construction projects begin evaluating temporary heating only after freezing temperatures arrive.
By this stage, equipment availability may be limited, transportation costs may increase, and installation schedules can become compressed.
Planning temporary heating well before winter allows project teams to:
- Select equipment based on project requirements rather than availability.
- Budget more accurately for fuel and operating costs.
- Coordinate heater delivery with construction schedules.
- Reduce the risk of weather-related delays.
- Maintain productivity throughout the winter season.
Early planning not only improves project efficiency but also provides greater flexibility if site conditions change during construction.
Failing to Reassess Heating Requirements
Temporary heating should not be viewed as a one-time decision.
As construction progresses, weather changes, and project priorities shift, the original heating plan should be reviewed to ensure it still matches site conditions.
Regular reassessment can help identify opportunities to improve fuel efficiency, reposition equipment, or adjust heating capacity before problems develop.
Successful winter construction projects rarely rely on a single calculation—they rely on ongoing planning and adaptation.
When to Consult a Heating Specialist
A professional heating assessment may be beneficial when:
- Large commercial projects are involved
- Concrete curing is critical
- Projects operate in extreme cold
- Remote sites are involved
- Multiple structures require heating
- Fuel efficiency is a priority
Experienced heating specialists can help determine actual BTU requirements and recommend equipment that aligns with project conditions.
Aerotech Herman Nelson Experience
For decades, Aerotech Herman Nelson has supported winter construction projects across Canada and internationally.
From remote resource developments and airport infrastructure projects to commercial buildings and industrial facilities, temporary heating requirements vary significantly depending on weather conditions, building progress, and operational goals.
One lesson consistently observed across these projects is that heating requirements change throughout construction. A heating plan that works during structural steel installation may not be the most efficient solution once the building becomes enclosed.
By evaluating project requirements early and reassessing conditions as work progresses, project teams can often improve fuel efficiency, reduce weather-related delays, and maintain more productive working conditions throughout the winter season.
Construction heating projects often involve changing site conditions, weather events, and evolving heating requirements. Aerotech Herman Nelson’s experience supporting aviation, commercial construction, industrial facilities, and remote resource projects has demonstrated that successful heating plans are rarely static. Regular evaluation and adjustment throughout the project lifecycle can help improve efficiency and reduce operating costs.
Using a BTU Calculator vs Manual Calculations
Should You Use a BTU Calculator or Manual Formula?
Manual calculations provide a useful starting point for estimating construction heating BTU requirements, but large construction projects often involve variables that are difficult to estimate accurately.
A BTU calculator can help account for:
- Building dimensions
- Temperature requirements
- Project conditions
- Equipment sizing
For critical projects, consulting a heating specialist can help verify assumptions and identify potential issues before equipment arrives on site.
Frequently Asked Questions
The answer depends on building volume, weather conditions, insulation levels, air infiltration, and project stage. Every construction project is different.
As walls, windows, roofing, and insulation are installed, heat loss decreases and heating requirements often decline.
Yes. Construction heating calculations must account for changing building conditions, open areas, and higher infiltration rates.
Sometimes. However, many projects require different heating strategies as construction progresses.
Use a BTU calculator for preliminary estimates and consult a heating specialist for critical projects.
Not by itself. Building height, air infiltration, weather conditions, and enclosure status must also be considered.
Wind increases heat loss and can significantly increase heating requirements on exposed construction sites.
Ideally before cold weather arrives so equipment, fuel requirements, and project schedules can be coordinated.
BTU calculators provide useful estimates but should be supplemented with professional review on larger or more complex projects.
Key Takeaways
- Construction heating BTU requirements change throughout a project.
- Building enclosure status is one of the largest factors affecting heat demand.
- Wind, infiltration, and ventilation can significantly increase BTU requirements.
- Concrete curing often requires dedicated heating planning.
- Early heater sizing helps prevent delays and control costs.
- Construction heating BTU requirements should be reviewed as the project moves from open construction to partial enclosure and interior finishing.
Related Resources
If you’re planning temporary heating for an upcoming project, these resources may also help:
- Industrial Heater Selection Guide
- How to Choose an Industrial Heater
- Temporary Heating for Construction
- Industrial Heater Maintenance Checklist Before Winter Arrives
- BTU Calculator Canada
Use Our BTU Calculator
Use Aerotech Herman Nelson’s BTU Calculator to estimate heating requirements and identify suitable equipment options for your project.
Speak With a Heating Specialist
For large commercial projects, extreme winter conditions, or complex heating requirements, contact the Aerotech Herman Nelson team for project-specific recommendations and heater selection guidance.
