Does Removing "suspended/drop-ceiling" Effect Heating/cooling? - HVAC - DIY Chatroom Home Improvement Forum
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Old 03-02-2014, 05:31 AM   #1
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Does removing "suspended/drop-ceiling" effect heating/cooling?


I'm considering removing the 2x4 t-bar grid ceiling tiles in my commercial retail store. I am getting the space renovated before our store opens next month.

- Will this effect my heating and cooling costs?
- Do ceiling tiles on a "dropped-ceiling" help keep heating/cooling costs down?

The building's ceiling is well insulated with fiberglass insulation. There are other stores on both sides of ours. Removing the "drop-ceiling" will raise the ceiling height 6 feet.

If this does happen, i would have the ceiling painted white. This is similiar to many popular stores and restarants.

This is in Las Vegas, NV. The landlord approved this if it happens.

Thanks!!

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Old 03-02-2014, 06:50 AM   #2
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Does removing "suspended/drop-ceiling" effect heating/cooling?


Yes, it will effect both heating and cooling.

If your store/space is 2,000 sq ft with the drop ceiling height at 10 foot, you have 20,000 cubic foot of volume that is heated or cooled. By removing the dropped ceiling, you would be adding 12,000 cubic foot of volume to heat and cool.

You will increase radiant heat in the summer, and have a lot of your heat rise to the higher ceiling area in the winter, requiring ceiling fans to bring the heat back down, or have a much higher heating bill.

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Old 03-02-2014, 07:13 AM   #3
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Does removing "suspended/drop-ceiling" effect heating/cooling?


I wouldn't worry about the heating bill.
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Old 03-02-2014, 07:18 AM   #4
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Does removing "suspended/drop-ceiling" effect heating/cooling?


Quote:
Originally Posted by bobelectric View Post
I wouldn't worry about the heating bill.
His area had over 1500 heating degree days in the last 12 months.

With his required min fresh air for the space, it will have a fairly large impact on his heating bill.
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Old 03-02-2014, 08:15 AM   #5
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Does removing "suspended/drop-ceiling" effect heating/cooling?


Another thought---the hvac unit in the building might be sized for the existing conditioned space----the unit might need upgrading-----
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Old 03-02-2014, 09:46 AM   #6
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Does removing "suspended/drop-ceiling" effect heating/cooling?


This space is 1200 sq feet. It's in Las Vegas, NV.

Being in Las Vegas, why do many stores/restaurants opt not to use "drop-ceiling" tiles to have that "industrial-modern" theme? I was at Old Navy and also Chipotle, they have exposed ceilings. Many stores in the mall also do this, and their ceiling's painted.

These are great tips; thanks!
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Old 03-02-2014, 09:50 AM   #7
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Does removing "suspended/drop-ceiling" effect heating/cooling?


Also, where are the air returns? And the sprinkler heads?
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Old 03-02-2014, 09:51 AM   #8
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Does removing "suspended/drop-ceiling" effect heating/cooling?


There are several reasons for the 'open' look---

Cheaper initial build out ---no drop ceiling to install--cheaper fire sprinkler install---

Style----some like the 'industrial'--bare bones look----
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Old 03-02-2014, 10:13 AM   #9
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Does removing "suspended/drop-ceiling" effect heating/cooling?


Common for many places to want the "rustic" look.
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Old 03-02-2014, 10:29 AM   #10
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Does removing "suspended/drop-ceiling" effect heating/cooling?


Heat rises.....so in the winter....more of your heat will be up high...

In the summer....your conditioned air will be closer to the floor....

But I'm willing to bet that you have more losses with people going in and out the front door.

Some properly placed ceiling fans could make a big difference....especially in the summer.
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Old 03-02-2014, 11:52 AM   #11
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Does removing "suspended/drop-ceiling" effect heating/cooling?


1) where are your sprinkler heads now? if they are flush with the ceiling tiles then you will have a huge expense later to get them raised up to the ceiling. sprinkler fitters are expensive.

2) 6 feet is not a huge deal. if you had a warehouse or in a very cold climate and you went up 1 story /10 or more feet then yeah you would need ceiling fans to bring the heat back down. when they build strip malls they don't know who the tenants are so the HVAC equipment is sized for a normal office type scenario. if you need more because of a restaurant etc then you have to upgrade that later or work with the owner.

3) you may want to get a HVAC company down and have them look over the size of the existing units and talk to them.
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Old 03-02-2014, 12:00 PM   #12
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Does removing "suspended/drop-ceiling" effect heating/cooling?


And what is the roof structure above? There are fire rated grid ceiling assemblies, and removal of those would affect the rating of the building.

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