If submitting a service request after hours or on the weekend, please note it is best to call.
(361) 235-3905 Request Service

Think Closing Off a Room to Save Energy Is a Good Idea? Think Again.

May 15, 2014 | Blog

You may think that closing off a room to save energy is a good idea during the summer or winter months, especially if the room you’re isolating is one you wouldn’t be using anyway. For houses with newer ventilation systems, this could actually be causing your energy prices to rise.

When you close off a room completely from the rest of the house, including shutting the registers and the doors you are, in effect, isolating that room from the output of your HVAC system. Since it doesn’t receive any treated air, the temperature will drop or rise significantly depending on the season. 

Most interior walls in a home are not insulated and so if the unused room gets hotter or colder than the rest of the house the temperature still transfers from that room to the rest of the house.  Plus closing off the ducts to a room reduces the overall flow to the duct system and can put additional back pressure on your blower making it work harder and consume more energy.  At the same time, humidity can build up in closed off rooms and end up needing to be treated, adding additional stress to your system.

If you are not going to be using a room you can leave the supply grille open and simply close the door to that room.  This added restriction on the air will in many cases reduce the amount of air that flows into that room and allow it to warm slightly without causing too much of a problem with the balance of your system.  Don’t close off too many rooms though because that can cause major problems with the system operation.

Mathews CCAC Inc. can help you with any of your air conditioning, ventilation, or heating needs. Visit our website to get in touch with one of our friendly technicians ready to assist you with any of your home comfort needs. Our team has centuries of combined experience and are ready to put our knowledge to work for you.

Our goal is to help educate our customers in Corpus Christi, Texas about energy and home comfort issues (specific to HVAC systems).  For more information about saving energy and other HVAC topics, download our free Home Comfort Resource guide.

Image courtesy of Shutterstock

Constantly Concerned About You!

Professional Team
Our ac technicians are highly trained, professional and committed to getting the job done right the first time.
Reliable Service
You can count on our expert ac technicians to provide high-quality air conditioning services with quality products and transparent pricing.
Customer Service
You deserve excellent customer service. That's why we strive to be courteous and professional through the entire service process.

What Our Customers Are Saying

Very Satisfied

I’ve had a system purchased and installed by them for several years with the maintenance contract the whole time. I’ve been very satisfied with the service. You can’t go wrong selecting them for your business.

Joseph S.

Pleasure to Work With

Mathews CCAC conducted the semi-annual inspection of the A/C, heating system for the fall check-up, Technician was on time, courteous and went quickly about the inspection and observed all COVID-19 protocols for his and our safety a pleasure to work with this company

Steven L.

Great Company

Great company. Contacted my current AC company to check on my warranty before charging me anything. Saved me a bunch of money and headache if dealing with anything. Would definitely recommend them and use them again.

Ryan W.