Marietta Window Replacement provides professional casement & awning windows in Marietta, GA for residential and commercial properties across Cobb County and northwest metro Atlanta. A casement is the tightest window most homeowners will ever own, and the reason is mechanical rather than clever. When you turn the crank the last quarter turn, the hardware pulls the sash back into a continuous gasket around all four sides and squeezes it. Nothing is sliding past anything.
Published air-leakage numbers follow from that. A well-built casement commonly tests at 0.01 to 0.05 cubic feet per minute per square foot of frame. The code maximum for a residential window is 0.3. That is not a marginal improvement; on a house with twenty openings it is a different building.
In this county the payoff runs beyond the energy bill. Marietta sits under one of the heaviest tree-pollen loads in the country, and every path that lets air through a window in April also lets a share of that in with it. Atlanta Allergy and Asthma logged 14,801 grains per cubic meter on March 29, 2025, breaking a 2012 record of 9,368. A compression seal does not filter anything, but it closes the gap.
An awning is that mechanism rotated ninety degrees: hinged along the head, with the bottom edge swinging clear. Because the open sash tilts over the opening like a small canopy, rain runs off it instead of in, which makes this the one operable style you can leave cracked during a Georgia thunderstorm, and they stack well under a large fixed lite, which is exactly the proportion the wide ranch openings around East Cobb ask for.
There are real reasons not to buy them. A casement swings outward, so it does not belong over a deck rail, a walkway, a driveway edge or anywhere a person or a car passes within the sash arc. The screen mounts on the inside, which some people dislike and which puts the screen frame where you touch it. And the crank hardware is a moving assembly that will eventually need an operator replaced, particularly on wide sash.
The kitchen is the classic mistake. A casement over a sink means reaching across a counter and a faucet to turn a crank on the far jamb, every single time. A slider or a hung window is the better answer there, and we say so before the order is placed rather than after.
For basements and crawl-height openings, an awning unit with a well-sealed frame is our standard recommendation in Cobb County. Those openings sit low, they collect leaf litter and splash, and a top-hinged sash that sheds water outward handles that far better than a slider whose track becomes a gutter.
If you are replacing windows one elevation at a time and want the leakage improvement to show up first, start with the side and rear openings and put casements there. Nobody will see them from the street, and they will do more for your comfort than any glass upgrade on the front of the house.
Our licensed and insured team brings the right materials and equipment to every job — compression gasket, interlocking meeting stile, fusion-welded corners, pultruded fiberglass, warm-edge spacer, polyamide thermal break — and backs the work with a written workmanship warranty. We serve Marietta and nearby communities including Smyrna, Kennesaw, Acworth, Powder Springs.
What We Handle
Everything our casement & awning windows in Marietta covers
One crew, one point of contact, and the full range of casement & awning windows work in Marietta, GA. If it is on this list we do it in house rather than handing it to a subcontractor:
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- compression seal windows
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- basement awning windows Cobb
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Not sure which one describes your situation? Describe it in plain words and we will sort it out — or browse the rest of our Marietta services.
Materials, equipment and how we do casement & awning windows
The difference between casement & awning windows that lasts and casement & awning windows that gets redone in three years is almost always preparation and materials, not the finish you see on day one. We work with compression gasket, interlocking meeting stile, fusion-welded corners, pultruded fiberglass, spec them to the job instead of to the invoice, and write the material grades into the free estimate so you know exactly what you are buying.
Every Marietta job runs the same way: site walk and measurements, written scope and fixed price, protection of the surrounding area, then the work itself with a daily clean-up. Years of window work in Cobb County and northwest metro Atlanta means we have already met whatever your property is going to throw at us — awkward access, older construction, an HOA with opinions.
Where we do casement & awning windows outside Marietta
Marietta Window Replacement covers Marietta and the surrounding communities of Cobb County and northwest metro Atlanta. Crews run out to the same nearby cities every week, so an out-of-town job does not mean an out-of-town price.
- Casement & Awning Windows in Smyrna, GA — Cobb County, population 55,663 at the 2020 census
- Casement & Awning Windows in Kennesaw, GA — Cobb County, population 33,036 at the 2020 census
- Casement & Awning Windows in Acworth, GA — Cobb County, population 22,440 at the 2020 census
- Casement & Awning Windows in Powder Springs, GA — Cobb County, population 16,887 at the 2020 census
- Casement & Awning Windows in Austell, GA — Cobb County, population 7,713 at the 2020 census
- Casement & Awning Windows in Mableton, GA — Cobb County, population 40,834 at the 2020 census
Start on the Marietta Window Replacement homepage for a free estimate, or call (844) 511-2320 and describe the job.
Why Marietta Chooses Marietta Window Replacement
- ✓We put the air-leakage rating at the top of the quote. In a county with a short winter and a long humid summer, the gasket is the only specification that returns something in both seasons.
- ✓We measure the clear opening in every bedroom before quoting. On the wide, short openings of Marietta's 1960s ranches, an insert can drop the escape opening below the code minimum without anyone noticing.
- ✓We flash behind the brick. On veneer houses the head flashing has to lap the water-resistive barrier rather than get caulked to the first course, and we will tell you if the brick will not allow it.
- ✓We price the smaller job when the smaller job is right. Fogged sealed units get reglazed, dragging patio doors get rollers, and tired entry doors often get a weatherstrip kit rather than a new slab.
The standards behind casement & awning windows
Quality here is not a matter of opinion — it is written down. The casement & awning windows work we do in Marietta follows published industry standards: NFRC sets the U-factor and SHGC ratings on every window label, and ENERGY STAR defines the efficiency thresholds by climate zone. If a contractor cannot tell you which standard a detail comes from, that is worth asking about before you sign.
Every casement & awning windows project in Marietta gets the same attention, whether it is a single room or a full commercial job. We show up on schedule, keep the site clean, and stand behind the work — the estimate is free and there is no pressure.
Ready to get started? Call (844) 511-2320 for a free casement & awning windows free estimate in Marietta, or request a quote and we'll get right back to you.