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Serving York Region since 1973

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Summers & Smith Heating & Cooling Ltd.
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Cooling

Bigger Isn't Better: How to Properly Size Your Air Conditioner

By Summers & Smith · July 5, 2026 · 1 min read

Bigger Isn't Better: How to Properly Size Your Air Conditioner

When it comes to air conditioners, many homeowners assume a bigger unit means better cooling. In reality, an oversized air conditioner can leave your home less comfortable and cost you more over time.

The problem with oversized units

An air conditioner that's too large cools your home quickly, then shuts off before it can properly remove humidity. This leads to short cycling, which:

  • Leaves your home feeling cool but clammy
  • Wears out components faster
  • Wastes energy and increases your bills

How proper sizing works

Our team performs a load calculation that accounts for your home's square footage, insulation, windows, and layout. This ensures your system is sized for balanced, efficient cooling, not too big, not too small.

The Summers & Smith difference

We never guess. Every installation starts with a proper assessment so you get quiet, even cooling that lasts. And because all our work is done by our own certified employees, you can trust the job is done right.

Thinking about a new air conditioner? Get an instant estimate today.

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