Hours: M – F: 7:00AM – 5PM  |  24/7 Emergency Service
Service: (603) 507-6447

How Does Opening the Window Affect a Home’s HVAC System?

Goffstown, NH Homeowner Asks

Opening a window when your home’s air conditioning or heat is running forces the HVAC system to work harder to heat or cool the area.  The air escaping through the window throws off the balance of the room and your unit works to try to accommodate for this.  A better option is to turn off the HVAC system when the windows are open, saving you money and preventing unnecessary wear and tear.

With spring upon us, a Goffstown homeowner gave into the temptation to open the windows to air out her home.  At the same time, she noticed that her HVAC system was still running.  Unsure whether it would be best to shut the unit off or let it keep running, she contacted Joyce Cooling & Heating.

Open Windows with Running HVAC Won’t Save You Money

Many homeowners assume that when the weather is nice out it will take some of the burden off of your heating and cooling system to open the windows.  However, unless you turn the system off first this can actually cause more wear and tear on the unit as it struggles to heat or cool the home to the set temperature.  All of the unit’s hard work is literally going out the window.

Instead when opening the window, turn off the heating and cooling to your home beforehand.  This can save you money on lost energy and ease the burden on your system.

Other Factors to Consider: Allergens and Humidity Level

When you open your home’s windows you lose the balance that your HVAC system has so carefully worked to create as far as humidity levels.  Opening the windows will disturb this balance of humidity.  It is also a culprit for letting allergens into the home, affecting the indoor air quality.

While we would never suggest not opening the windows, we did recommend that this Goffstown homeowner first shut off the heating and cooling to her home.  This will help to prolong the life of her HVAC unit, by not forcing it to work hard to heat or cool the outdoors as well.


Testimonials & Reviews

We had central air conditioning installed last year by Joyce and were very satisfied with the job. Today, John N. serviced the unit and all of the components and he was incredibly thorough and professional. He explained exactly what was serviced and what to avoid (greenery around the outdoor unit). I highly recommend Joyce Cooling & Heating!

Cristina A.

Cristina A.

Jarod was my technician on March 20th. He was professional and courteous as he completed a servicing on my Heathing Unit. He explained what he was cleaning out and system runs great again.

Matt O.

Matt O.

Mitchell P. came to our house today for an issue with our AC. He was great explaining what the problem is and how they were going to take care of it going forward. He was very pleasant and nice to work with, just like everyone at Joyce Cooling and Heating that has been here.

Cindy A.

Cindy A.

Jim and team did a top notch job on our install. The team was professional, courteous and kept the work areas super clean. I was really impressed with the level of professionalism and the knowledge of the system that was installed. They answered all the questions we had! I also really appreciate how flexible they were with our 3 dogs, they did a great job ensuring materials /parts during install kept tidy to ensure the dogs didn't get into anything. Thanks for the great work!

Jill C.

Jill C.

The representative was friendly, professional, and transparent about the work being done. The issue was resolved. My expectations were satisfied.

Stephen T.

Stephen T.

Complete Residential & Light Commercial HVAC Services