Wood Fireplace BTUs: Why This Measurement Matters

In Wisconsin, our fireplaces are more than decorative amenities: they provide critical supplemental heat during our frigid winters. If you’re thinking of bringing home a new wood fireplace, one of the most important elements to consider is BTU output.

Chimney Specialists Inc. of Highland, WI, would like to give you an overview of BTU measurements and why they matter when selecting a fireplace for your home.

What Does BTU Mean?

BTU stands for British Thermal Unit. It’s the accepted form of heat measurement in most regions and countries. There are many applications of this measurement in the scientific community, but in terms of fireplaces, understanding it is fairly simple.

BTU describes the amount of heat released by the burning wood in a heating appliance. Originally, this measurement was used to identify the amount of heat needed to raise the temperature of a pound of water by one degree. When applied to fireplaces, BTU is your guide to how much heat the appliance will optimally produce.

Optimal Heat Production

We say “optimally produce” because several factors can affect how much heat a wood fireplace actually delivers to your home.

When you shop for a wood fireplace, specs on the appliances will show a BTU rating to help you choose a model that’s suitable for the size of your room or home. Fireplace showroom staff will help you with this.

The BTU measurement, however, doesn’t account for various factors that can affect how much actual heat a fireplace delivers. It’s important to understand these factors.

Factors that Affect the Heat You Feel from Your Fireplace

Here are four factors to be aware of:

1. Type of Fireplace

The kind of fireplace you have will play a big role in home heating. Wood burned in an open masonry fireplace will produce just as much heat as wood burned in an efficient fireplace insert or manufactured fireplace, but you won’t feel as much of it.

Masonry fireplaces are notorious for letting most of their heat go right up the chimney. That’s a lot of BTUs being used to heat the outdoors. Conversely, a fireplace insert, which fits into the firebox of a masonry fireplace, and a manufactured wall fireplace both retain the majority of their heat and make it available in the room.

2. Type of Firewood

Hardwoods have higher BTU measurements than softwoods. Firewood ideally suited for high heat production includes:

• Beech
• Black birch
• Sugar maple
• Hickory
• Ash

3. Amount of Wood

It goes without saying that you’ll create more heat with more burning wood. But a word of caution: overfilling a firebox can create too much heat for the fireplace. This can damage parts of the firebox and lead to dangerous operating conditions.

4. Home Insulation

A poorly insulated room or home will reduce the amount of heat you feel from your fireplace during the colder months.

The Best Way to Buy a Fireplace

You can simplify the process of buying a wood-burning fireplace by shopping at a reputable hearth store with staff who can explain all the ins and outs of fireplaces and their BTU measurements.

If you’re in the market for a new wood fireplace, we invite you to visit Dubuque Fireplace & Patio in Dubuque, Iowa, and get the information you need to make the best choice for your home. The fireplace installation team at Chimney Specialists will then install your new appliance safely and correctly.

Dubuque Fireplace & Patio is located at 925 Century Drive in Dubuque, Iowa.

Learn more by giving us a call in the Highland, WI, area. You can also reach out through our contact form.