A concrete AC pad might be a worthwhile option if you are trying to save money upfront. As units are manufactured to be lighter and pads are better engineered to absorb vibrations, ordering a condenser pad online becomes a more viable and affordable option for homeowners. It’s okay if you didn’t get it the first time or had difficulty understanding this description. While you might want to choose a shady place for the air conditioner, putting the pad under a shade tree might not be a good idea since leaves will fall on the unit and make maintenance more of a chore. I love that you mention the pros and cons between the different types of pad. Usually composite pads last as long as the concrete pads, if you install them correctly. And you should search well and try to know about the right air conditioner pad for you’re air conditioner unit. The product data I found online lists using a unit riser (a.k.a. The condenser unit of a central air conditioner sits outside the home and is connected to the evaporator in the home by hoses. What if you are getting a new condenser and don’t have any foundation at all? Hurricane 18 in. I am currently retired and no longer do much with HVAC, however, I feel like I have a lot of knowledge in the subject and I wanted to create a website where I could talk about what I've learned and help upcoming HVAC techs. In budgeting time and money for a house I just purchased, the inspector noted that the central air conditioner is mounted outside without a pad underneath. Measure diagonally from corner to corner to ensure that the form is square. However, concrete’s biggest pro can also act as its biggest con. Over time the weight of the unit can cause the concrete to settle deeper into the soil below. Prepare to Pour a Concrete Sidewalk: 5 Tips, When to Use a Vapor Barrier during Drywall Installation, Earthquake-resistant Building Materials for Your Home. The pad should be located in close proximity to the house so necessary hookups can be made. You can use a level device to check if the product is now leveled. The very first thing to do is to measure the area for the pad and then mark the parameters of the pad on the ground roughly. The DiversiTech ACP36363 The Black Pad is a versatile little AC pad that can be used for a wide variety of different uses. Make sure the top edge of the form boards are level front to back and side to side. Hurricane rated! I would definitely want to get an HVAC professional to help me decide what would pad works best for my place. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. A high water-to-concrete ratio will result in decreased strength. Do not install the compressor until a week has passed and the concrete has attained its final set. ... Diversitech UC3030-2 UltraLite Lightweight Concrete Equipment Pad, 30" x 30" x 2" Cat #: 60P19 Model/Part #: UC3030-2. x 40 in. It is important to keep in mind the different weather your pad will experience year-round before purchasing a condenser pad. Concrete newbie here. Wall Mounted Mini Splits. And do not think that just because it has a styrofoam base it is somehow less tough or less able to withstand any adverse weather events – this pad will definitely be able to ride out even the toughest storms. Any difference in longevity? There are pre-fab concrete pads available, but some argue it is better to pour the concrete pad on site if you are going to use concrete at all. The Black Pad features a textured surface to discourage slipping. The forms should be coated with a form-release compound so that they can be easily removed when the concrete has set. All rights reserved. Spread the concrete evenly and fill out the form completely. Find more info about me and HVAC Training 101. This item is made of a styrofoam base with a concrete cover, making it much more lightweight (it only weighs about ten pounds in total) and easier to move around than some of its more solid counterparts. problems contact webmaster@doityourself.com. Choose from these mounting pad types and more in a range of sizes reflecting square and rectangular dimensions. Charles is also a self-retired Master Ironworker, ICC Special Inspector/Building Professional, Civil Engineer. Whether you use concrete pre-fab, pour your own concrete, or purchase a plastic pad for your AC condenser unit, the most important thing is to keep the unit dry and level. You will need a 3” pad at min. The outside air conditioner unit sits on top of slab to help keep it level. View our Privacy Policy here. The information below is a step-by-step description of the work that takes place by the heating and air contractor: 1. It will be able to easily hold units of up to 250 pounds, which makes this pad quite versatile. x 3/8 in. What is most appealing about pouring concrete is how durable and permanent it can be. Pads made from recycled plastic are not only UV resistant, but also won’t crack from too much rain exposure. Equipment Pad Concrete and Plastic (U4848-3) at Ferguson. Thanks Laurie You will not be able to go wrong with the Diversitech EL3636-3 E-Lite. x 3/8 in. The biggest problem for many is that an air conditioner condenser pad is quite heavy and often not very durable. Excavate to a depth of about 10 inches. Use existing air conditioning unit. This article will discuss the in’s and out’s of purchasing an AC condenser pad and explain why you need one in the first place. The more level and custom to the soil beneath the concrete slab is made, the better it can support the unit and the less it will sink over time. My name is Bob Wells and I am a retired HVAC tech from Washington state. It will reach its design strength in 28 days, after which it will continue to gain strength but at a much slower rate. Equipment Pad for Ductless Mini Split Air Conditioner Heat Pump Outdoor Condenser Units 18x38x3. This can put significant strain on the lines and tubes that run underneath the unit. 1995-2018 MH Sub I, LLC dba Internet Brands. The only thing to consider is that it is not the most attractive pad out there – users report it is a rather ugly pale grey color. The concrete should be kept moist or damp and protected from rain for up to a week after pouring. If your unit is unlevelled, dig out a bit of dirt from underneath the unit from the side, which has sunk down. But be warned – concrete AC pads are known to sink over time, even when they are built on relatively stable ground. We buy our homes and the air condenser unit usually has some kind of concrete slab under it from a time long ago and far away. Price : 28" x 28" 100 lbs. So what do you do if it isn’t level anymore? Locate the pad on level ground in close enough proximity to the house to make the necessary hookups. Concrete is the more traditional, tried-and-true way of stabilizing an AC condenser. This plastic platform offers self-leveling ground support that doesn’t require inserts. When looking for one, make sure it’s big enough so that the compressor supports are away from the parameter. You can then remove the form boards and backfill around the pad. Newer air condenser units are becoming lighter all the time, making concrete a more obsolete choice. The Ideal Air 728184 2 x 16 x 36 Cement Equipment Pad is a great AC pad if you are not interested in investing in real concrete. I love that you take into consideration the different types of pad someone may get based on their unit, property, or climate. This shopping feature will continue to load items when the Enter key is pressed. A pad may be made out of plastic, rubber, or recycled materials. Pull all refrigerant out of system. While the unit itself may stay dry, it can become uneven and the sunken pad can take down or pull on pipes and lines in its path. Charles is a highly experienced equipment operator of Bobcats, backhoes, D-9 front end loader, hydraulic cranes, GRT piledriver, concrete saws, regular and extended reach forklifts, and he has operated a working barge on Tampa Bay and the Intercoastal Waterway as a Marine Construction sub-contractor building custom docks. Simply level the ground and set the pad in place for same day installations. The concrete pads under air conditioner and heat exchanger units tend to settle over the years. To help the unit survive harsh winters or summers quality condenser pads can go a long ways. Owner of Affordable Handyman and Construction Management Services working with one client at a time for home and estate repair. This could put a strain on the copper coolant tubes and electrical lines. There will also be rules and regulations that pertain to where the unit can be placed in relation to the house in the yard. Mini-Split Heat Pumps. However, in the vast majority of cases, its size does not compromise the integrity of the pad, Ideal-Air 728184 2 x 16 x 36 Cement Equipment Pad, Diversitech EL3232-2 E-Lite Plastic Condensing Unit Pad, 32 x 32 x 2”, Diversitech EL3636-3 E-Lite Plastic Condensing Unit Pad, 36 x 36 x 3”, Ideal Air 728184 2 x 16 x 36 Cement Equipment Pad, Top Report: Quietest Portable Air Conditioners of 2020, The Best HVAC Vacuum Pumps [2020 Buyer’s Guide], Find more info about me and HVAC Training 101, Made of Thick, Heavy-Duty, Solid Material, Lightweight – Only About Ten Pounds in Total, Weatherproof, Can Withstand All Weather Conditions, Can Be Easily Drilled Through to Attach to the Ground, Versatile and Can Be Used for Multiple Different Tasks, Made of Recycled Rubber, so is Environmentally Friendly. Me and HVAC Training 101 building a concrete pad to support an Outdoor AC compressor 15 ft. Piping! Or exposure to the height of the leveled ground and make sure the top edge of the boards... The width by the heating and air contractor: 1 grooved or textured surface to discourage slipping requires only water! Can become moot did not know AC condenser pads can be purchased as a pre-mixed, ready-to-use that! Secured in place for same day installations ) at Ferguson build the form concrete pad under air conditioner and backfill around pad. Is easy to install extend the life of your AC so you have an idea of to... Product is now leveled weight of the pad-1x4 or 1x6 will do to build a pad. Is not much different than pouring any type of concrete slab rectangular dimensions sizes reflecting and... S not a concrete pad under air conditioner lot of variety in pads the information below is a Carrier 38CKC024330, manufactured 1999. 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