Heat Loss
What Is Thermal Lag? Understanding Time Lag and Thermal Mass in HVAC Design
Why heat arrives hours after the temperature peaks, and what that means for cooling loads, plant sizing, and comfort.
Read MoreDesigning to BS EN 12831-1:2017 in h2x: A Step-by-Step Guide
A practical guide to configuring BS EN 12831-1:2017 heat loss calculations, ventilation inputs, and system settings in h2x.
Read MoreASHRAE 183: The Industry Standard for HVAC Load Calculations
Learn what ASHRAE Standard 183 requires for HVAC load calculations and what engineering design software needs to produce compliant, audit-ready results.
Read MoreDo Heat Pumps Work in Cold Weather? How They Extract Heat From Air Below 0°F
Yes, heat pumps can work below 0°F (-18°C). Here’s how cold-climate systems extract heat, maintain capacity, and handle defrost cycles.
Read MoreHeat Load Calculation Software: Why Engineers Are Moving Beyond Trane TRACE and Carrier HAP
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.
Read More