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Heat Loss

ASHRAE 183: The Industry Standard for HVAC Load Calculations

By Jonathan Mousdell | July 13, 2026 | 0
ASHRAE 183 HVAC load calculations graphic showing heating and cooling loads, weather data, and compliance reporting for a commercial building

Learn what ASHRAE Standard 183 requires for HVAC load calculations and what engineering design software needs to produce compliant, audit-ready results.

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Do Heat Pumps Work in Cold Weather? How They Extract Heat From Air Below 0°F

By Andrew Spencer | July 1, 2026 | 0
Diagram showing a heat pump extracting heat from outdoor air below 0°F and distributing warm air through a building

Yes, heat pumps can work below 0°F (-18°C). Here’s how cold-climate systems extract heat, maintain capacity, and handle defrost cycles.

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Heat Load Calculation Software: Why Engineers Are Moving Beyond Trane TRACE and Carrier HAP

By Jonathan Mousdell | May 1, 2026 | 0
Heat Load Calculation Software

Legacy heat load calculation software like Trane TRACE and Carrier HAP no longer fits the modern engineering workflow. Here’s what a genuine alternative actually looks like.

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Calculating Heating and Cooling Loads: What’s the Difference?

By Jonathan Mousdell | April 15, 2026 | 0
Calculating Heating and Cooling Loads

Calculating heating and cooling loads requires understanding two opposite problems: heat gain in summer and heat loss in winter. Both must be accounted for in every complete HVAC system design.

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How h2x Eliminates The Spreadsheet Burden

By Bill Arnold | March 4, 2026 | 0
How h2x Eliminates The Spreadsheet Burden

A wall shift, added bathroom, or layout tweak can invalidate an entire spreadsheet pack. Learn how h2x design software removes the manual recalculation cycle, keeps data consistent, and speeds up revisions without guesswork.

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ASHRAE 183: The Industry Standard for HVAC Load Calculations

How to Calculate Air Changes Per Hour

CFM Calculation Formula: 4 Ways to Calculate Required Airflow

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