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How Does a Furnace Heat a House?

July 28, 2025/in Uncategorized/by William Hammer

Central heating is one of the best possible features to have in a home. Simply by adjusting the thermostat, the furnace will jump into action and bring the space inside the home up to a comfortable temperature for you and your family. It’s a function that most people take for granted, but do you actually know how it works? Learn a little more about furnaces in the article below.

 

When you need to bring in an expert team for furnace repair – or any other kind of HVAC service – make a call to Berico to schedule an appointment. Berico is a leader throughout the Greensboro, Eden and Burlington areas and will be happy to take care of whatever issues your system may be facing.

 

A Simple Concept

While the inner workings are anything but simple – which is why a professional technician is always required for furnace repair – the idea behind how a furnace heats your home is pretty straightforward. First, it pulls air into the furnace unit from a central location in the house, and that air passes through a filter to make sure it is as clean as possible. Then, the air goes into the heat exchanger, a unit that has been warmed by using one of a number of potential energy sources. Furnaces can be powered by natural gas, propane, electricity, oil, and more.

 

Once the air has been heated by going through the heat exchanger, a blower will push it out into the ducts and toward the vents that are placed in rooms throughout the house. This creates an ongoing cycle of cool air being gradually warmed – and that cycle will continue until the home has reached the desired temperature. The process is controlled by a unit known as a thermostat, which can be set for not only what temperature you want the house to reach, but also what times of the day (and days of the week) you want it to run.

 

Potential Issues

Most of the time, your furnace will work nicely without requiring much attention from you. As long as the thermostat is set correctly, you’ll be comfortable. With that said, there are some things you need to pay attention to in order to get good performance throughout the cold part of the year. Here are two important points –

 

  • Having enough fuel. Depending on the fuel source required for your furnace, you might keep a tank on your property that is used to run this appliance. In that case, work with a company like Berico to stay topped up with propane or heating oil to make sure you don’t find yourself stuck in the cold when your tank runs out.

 

  • Dirty air filter. It’s easy enough to forget about changing the air filter in your furnace system, but that’s one of the most important HVAC tasks – and one that most homeowners can handle on their own. Change out the filter frequently to make sure clean air is flowing through the system.

 

Berico not only offers reliable and affordable fuel delivery but also furnace repair and installation work. Get in touch with the team today to learn more.

https://bericoinc.com/wp-content/uploads/2025/07/berico.png 0 0 William Hammer https://bericoinc.com/wp-content/uploads/2025/07/berico.png William Hammer2025-07-28 05:56:082025-07-28 05:56:08How Does a Furnace Heat a House?
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Joshua A.

I recommend Comfort & Protection Service Plans to everyone! When my oil furnace needed to replace its heat exchanger and some additional parts, being on a plan saved me $1,095.

Nancy McCoy

I first used Berico in August of 2009 and am now entering my 6th year. I have always believed that it is better to prevent a problem than to solve one, and your technician have done a "bang up" job of keeping my unit in excellent working order.

David Deasy

Every visit by Berico is a pleasure. The technicians are friendly, knowledgable and honest. I appreciate the time they take to explain things.

Robert Dixon

Our technicial did a good job of servicing our two systems for summer. He helped teach us-once again- how to make changes in the thermostat, which we need to do before travelling. Thanks. RB

Brandi Simmons

Berico recently installed a new unit at our home. Berico offered several financing options for us and the approval process took 30 seconds. We were very impressed with the professionalism, honesty, dedication, and personal touch of the whole work crew of our job.

Norma Wilkins

Gentlemen came out and installed new tank and were very professional. They completed the job in a good amount of time and cleaned up behind themselves. Would highly recommend to others!

William Benge

My system uses a ridiculous amount of oil and last year, I ran out regularly. Becky at Carolina made sure to keep an eye out for us and followed up regularly to ensure we were in good shape. They worked with us on our payments and were just really good to us.

Tim Moore

This is an outstanding company, they are always on time every time and do what they say they will do. I highly recommend them!

Daniel Klecka

Signed up for the Annual maintenance service after hearing for a commercial on the radio for them. Everyone I have dealt with has always been nice and professional. Had an issue where I needed a new capacitor on my heat pump unit - no big deal.

Ann Somers

I just can't say enough about the good service and friendly folks at Berico. Keep up the good work! I like your Sharing the Warmth program too. It is a great way to get help to our neighbors, even those we don't know.

Suzanne Miller

There isn't a nicer group of people to deal with. The service was done with a very polite maintenance man. He was quick, polite and very friendly, and very efficient. I would recommend them to anyone. I also want to mention how polite the office staff was.

Nicky Smith

We are a very unique customer for Berico. We use them to maintain our seven air conditioners for our commercial data center with hundreds of servers, routers and switches. Their techs are always careful in our data center and take extra caution to make sure they don't disturb any of the servers.

Rick Sullivan

Everyone at Berico has been very helpful. Salesperson was very straightforward and knew the product well. Office staff has been extremely personable, yet professional. The installation crew was very efficient. Looking forward to a long relationship.

David MacInnes

We have been using Berico since 1976 and have been pleased enough that we have never changed providers. Their workers have been helpful and competent. We are now on our second furnace and second heat pump and while there have been problems they were all resolved.

Eric Martin

Berico (by way of Alamance Oil in Burlington) has consistently provided immediate service and help with my account when I have needed it.

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