News

Heat pumps and furnaces aren’t sized the same — and using the wrong method can cost you in comfort, efficiency, and system lifespan. In this guide, Alex Lane explains how heating and cooling loads differ, when backup heat is needed, and why region, equipment type, and Manual J calculations all matter when comparing systems.

Sizing your HVAC system wrong is one of the most expensive mistakes a homeowner can make — and it happens more often than you think. In this guide, Alex Lane walks you through the most common pitfalls, from oversizing to skipping Manual J calculations, and gives you practical tips to ensure your system runs efficiently year-round.

Sizing an HVAC system isn’t just about square footage — it’s about where you live. From hot, humid climates to sub-zero winters, your regional zone affects heating and cooling loads, system selection, and long-term efficiency. In this guide, Alex Lane breaks down what every homeowner should know about climate zone-based HVAC planning.

Manual J is the foundation of accurate HVAC sizing — and skipping it can lead to oversized equipment, uneven comfort, and higher bills. In this guide, Alex Lane explains what Manual J is, why it matters, and how it works alongside Manual S and Manual D to create a system that actually fits your home’s needs.