HomeX Logo

Sorry, the web browser you're using is not supported by this website.

Please use Google Chrome, Firefox, Safari, or another browser to access homex.com. Thank you.

Skip to main content

We use cookies to enhance your experience. For details on how we use cookies, collect data, & how to manage your consent please see our Cookie Policy & Privacy Policy.

Is it better to undersize or oversize a boiler?

I assumed that the larger boiler would be better on the cold days while the smaller boiler would be better the rest of the time. Smaller is better than bigger if you expect a lot of design days. If you expect a lot of design days, slightly bigger is better.

Let's Get It Fixed!

Our virtual experts can diagnose your issue (for free!) and resolve simple problems.

What Did You Think of This Article?

What Did You Think of This Article?

Shop Recommended ProductsShop HomeX Recommended Products