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Can Closing Vents Save Energy?

Heating and cooling account for about half of your total at-home energy usage. No wonder you’re on the lookout for energy saving tips! Perhaps you’ve heard that closing air vents in unused rooms saves energy. It seems logical that with the door shut and the vent closed, your HVAC system would be free to heat and cool the rest of your home more efficiently.

Unfortunately, closing vents actually wastes energy. Discover the unintended consequences of closing vents, and you’ll realize how ineffective it is for lowering your utility bills.

Increased Ductwork Leaks

Ideally, duct systems should have low air leakage rates. However, even well-designed ductwork isn’t completely leak-proof. And if you close several air vents, the increased pressure within the duct system causes more leaks. This forces air from unconditioned spaces to circulate around your home, reducing the efficiency of your air conditioner and furnace.

Increased Energy Use from Variable-Speed Blower Motors

The high pressure within the duct system causes variable-speed blower motors to work harder as they attempt to maintain adequate airflow. This defeats your efforts to save energy.

Lower Airflow from Single-Speed Blower Motors

Most HVAC systems have a single-speed blower motor that operates at only two settings: on and off. It can’t combat the high pressure within the duct system, resulting in lower airflow. This means less heated and cooled air circulates around your home, making it less comfortable. Low airflow can also cause the AC evaporator coil to freeze, which makes the air conditioner unable to cool your home.

Greater Wear & Tear on the System

Low airflow over the AC evaporator coil causes some refrigerant to make it back to the compressor as a liquid, damaging this equipment over time. There’s also a higher chance for a cracked furnace heat exchanger, which requires immediate repair.

Better Energy Saving Tips to Try

If you’re discouraged after learning that closing vents doesn’t save energy, try these other more effective energy saving tips:

  • Partially close vents to help direct hot and cold air around the way you want.
  • Install a zoning system to heat and cool certain areas of your home efficiently. Multiple thermostats, air handlers, and dampers in the ductwork direct air right where you want it without any unintended consequences.
  • Upgrade your aging HVAC equipment to a new, energy-efficient model.

For help implementing these and other energy saving tips, please contact Arctic Air Conditioning today.

Testimonials
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”In the installation of our new hot water heater, technician Scott was efficient, courteous and professional. I am a repeat customer of Arctic Air and they promptly helped me just…”

- Ann Marie Smith
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”I’ve been a customer for many years, their response is always quick and efficient, the people are knowledgeable and courteous. I highly recommend them.”

- Dinorah Munoz
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”professional on time, and courteous. they came and took over someone else's mess. the people who installed our boiler didnt respond. artic air took over got us a replacement boiler…”

- Francine Kukielka Brown
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”My hot water heater was leaking and I needed someone here fast. I had heard about arctic air and called them at 8:30AM. By 10:30 AM I had somebody in…”

- Jane Nebb Kearney
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”Dual water heater replacements: Sales staff(Jim)was prompt and patient in fielding all our questions. Appointment was made easily and plumber/technician(Scott) was knowledgeable and efficient. He also proactively took precautions to…”

- Bill Ly
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”I have recommended Artic Air to many people! The people have told me they are very honest and reliable! (That’s very rare in this day and age) Any heating and…”

- Arnie Schwartzman
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”Ive used Artic Air before to install a new hot water heater after I had a flood. They're response time was fast both then and now. Much appreciated.”

- Elaine Celi Bentley
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”I had the emergency and had the furnace checked and was very pleased with the serviceman, Tim. On time, efficient and polite. Good job!”

- Kevin Walsh
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”Excellent in every way”

- Jeff Weisenberg
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”Great info from Jim on getting info on water heater replacement, and outstanding job by Josh on the install. UPDATE: Had such a positive experience with this company w. r.…”

- Gary Feldman
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”Joe was great. Showed up on time diagnosed the problem and went right to work to solve it. Thank you Arctic Air”

- Allan Pollack
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”Outstanding service!! Polite, professional, respectful, friendly, and very very knowledgeable. Always a positive experience and would highly recommend.”

- Andrew Genecki
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”The technicians were very professional. They removed an old boiler and somewhat leaky water heater and replaced them with newer more efficient ones. Great work guys!!!! Will definitely recommend them.”

- J Bravo
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”The technician came on the scheduled time and his name is Dave. An amazing person who explained everything I need to know as new home owner. Thanks a lot Arctic…”

- Abu N
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”Excellent, professional service. Technician arrived on time. We have used Arctic Air for a few projects and have always been pleased. They are an honest Company and I would recommend…”

- Cori Shimkus Kane
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”The workers were respectful. They explained what they were doing and I appreciated the service.”

- Zac Regen
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”Great service and quality. Our technician Mike, was friendly ,& knowledgeable, love Artic Air, just wish they had an in house Electrician as well!”

- Maggie Torres
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”Highly recommended!!”

- Johnny Ng
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”3/5/20 - after getting estimates for a new furnace and humidifier, I was totally impressed by the Company’s pricing on same model, promptness, great workmanship, professionalism, cleaning up. The end…”

- Enza Valenti
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”I had an amazing experience with Artic Air. From the sales team, to the receptionist, to the technicians to you - it has been an absolute first-class experience. Even when…”

- Michael Navara
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