A/C pad
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A/C pad (by Frank [NJ]) Jul 31, 2021 6:15 PM
       A/C pad (by 6x6 [TN]) Jul 31, 2021 7:20 PM
       A/C pad (by Sisco [MO]) Jul 31, 2021 7:29 PM
       A/C pad (by Robert J [CA]) Jul 31, 2021 7:51 PM
       A/C pad (by Frank [NJ]) Jul 31, 2021 9:28 PM
       A/C pad (by MikeA [TX]) Jul 31, 2021 10:09 PM
       A/C pad (by Smokowna [MD]) Jul 31, 2021 10:54 PM
       A/C pad (by DJ [VA]) Aug 1, 2021 7:31 AM
       A/C pad (by Vee [OH]) Aug 1, 2021 9:37 AM
       A/C pad (by myob [GA]) Aug 1, 2021 12:58 PM
       A/C pad (by Greg [MO]) Aug 1, 2021 2:50 PM
       A/C pad (by gevans [SC]) Aug 1, 2021 9:20 PM

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A/C pad (by Frank [NJ]) Posted on: Jul 31, 2021 6:15 PM

Hi all, hope your weekend is going well.

We will be new getting new HVAC in our soon-to-be primary to a rental .

Using a gas co. program with a 0% finanvr and hi eff. equipment.

My ? is about a plastic pad/base that the gas co. guy is telling me will be for the condenser. I have to do some grading in the spot.

How level does the spot have to be and is a plastic pad sufficient or should I be getting a concrete pad or at least a gravel one?

Plan on following up with the gas co. contact but thought I should run it by the experts here.




A/C pad (by 6x6 [TN]) Posted on: Jul 31, 2021 7:20 PM

No expert here but the plastic pad is fine and should be as level as you can get it. --73.120.xx.xxx

A/C pad (by Sisco [MO]) Posted on: Jul 31, 2021 7:29 PM

Plastic pads are susceptible to UV rays. Best method is to mount it on brackets attached to exterior wall, net best is concrete pad. Why not re use the existing pad , whip, and disconnect? --149.76.xxx.xxx

A/C pad (by Robert J [CA]) Posted on: Jul 31, 2021 7:51 PM

Plastic type a/c pads can easily be leveled with gravel, dirt and other materials that you re-trade the area then put the pad on top. However this offers you little protection from the a/c unit getting stolen or moved to be sawed apart of it's copper metal scrap value.

On my last new split system install, I got the Bolt Pattern for the outside condenser unit and then framed in an area and poured concrete with rebar. Thick weighing over 500 pounds.

Then when the system was being installed, we removed the access door and the top cover, giving access to mounting holes in the bottom of the unit. I marked with a marker, moved the unit off the pad and installed Wedge anchor bolts.

We put the a/c condenser back on the pad and bolted it to the concrete pad. I used locking washers and nuts with a plastic ring so it wouldn't unscrew with the vibration.

We located the unit near to two walls an "L" share to restrict access to people trying to cut the unit apart. But enough area for air to flow.

Then once the system was turned on, tested and working, I also installed Bird Spikes around the condenser to help prevent thieves for steeling or getting access for the copper. They would have to Cut themselves before getting into the metal housing. --47.155.xx.xxx

A/C pad (by Frank [NJ]) Posted on: Jul 31, 2021 9:28 PM

Many thanks

New system, not prexisting

Don't want to be a PITA but do want to better than jus Ozk...and plastic makes me nervous --174.206.xxx.xxx

A/C pad (by MikeA [TX]) Posted on: Jul 31, 2021 10:09 PM

The plastic pad will outlast the life of the condenser but you will be replacing the pad at the next condenser replacement. Concrete (or precast aircrete) pad will last for decades. They need to be reasonably level but it will settle over time so you don't have to get down to putting a level on it.

I usually use a precast aircrete pad from the HVAC house and then fill in between it and the foundation with dry concrete mix and sprinkle it down to harden. Nothing worse than trying to get weeds out from behind a unit with the wires and lines in the way. --209.16.xx.xxx

A/C pad (by Smokowna [MD]) Posted on: Jul 31, 2021 10:54 PM

I have a bunch of the plastic pads. They arrive here used. I would guess that many of them are 15 plus years old at this point. They are still holding together well.

If you get a plastic pad, it will more than likely work well for you.

If theft is a possibility, then perhaps concrete would be better ; as long as you bolt the unit into the concrete.


A/C pad (by DJ [VA]) Posted on: Aug 1, 2021 7:31 AM

The plastic, look-like-concrete pads are common here. Easy to handle & durable. The unit is very light. Use a fence to keep people away. Of course - as others have said - bolting to concrete can deter thieves.

One key to longevity of the system is it MUST be level.

If any pad settles over time, re-level it. --68.229.xxx.xxx

A/C pad (by Vee [OH]) Posted on: Aug 1, 2021 9:37 AM

The pad will last over 10 years, I would never put the pump at ground level, all mine are on roof racks which also make good tv antenna holders, maybe even a dish holder but I prefer those to be pole mounted for easy aiming corrections. --76.188.xxx.xxx

A/C pad (by myob [GA]) Posted on: Aug 1, 2021 12:58 PM

the plastic ones have Styrofoam inside-- they break. Look like junk in 3 or 4 years.

Get some nice red brick and lay down a brick pad. The house red bricks are fine -- I would stay away from 12x12 or 12x18's because there to thin. Don't block the condenser drain holes. --99.103.xxx.xxx

A/C pad (by Greg [MO]) Posted on: Aug 1, 2021 2:50 PM

For years we have built block stands to keep our condensers up off the ground and safe from weedeaters.

We level the ground using 1" base rock material or dirt and use 4x8x16 cement cap blocks to form a base that extends from the house, then 2 layers of split faced blocks for height and cap them with cap blocks and put a plastic ac stand on top of this. There is and example on my picture page here on Mr. Landlord.

Last time I checked we spend about $200 material and labor.

Have been very happy with this arrangement and the HVAC guys love it. No stooping, no weeds, lol no flooding. --192.129.xxx.xxx

A/C pad (by gevans [SC]) Posted on: Aug 1, 2021 9:20 PM

My "go to" pad:

Level the ground.

Lay out cinder blocks in a pattern larger than the unit itself.

Lay a plastic pad on top of the cinder blocks.

If you want to get fancy you can pour quikrete in the blocks before slapping the pad on top.

Here's what you get:

An elevated unit that will likely never be damaged by mowers or weed wackers, and high enough it will not clog with weeds or vines.

Also discourages ants, the ban of condenser units. --69.80.xx.xxx

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