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American Standard Home Additions & ADU: The Orlando Owner’s Guide
If you’re searching for American Standard home additions and ADU work in Orlando, the short answer is this: Mason Remodeling Co Orlando builds and installs American Standard-compatible additions and accessory dwelling units with typical project costs ranging from $45,000 to $130,000 for home additions and $90,000 to $220,000 for full ADU construction. We’re an independent service provider, not affiliated with American Standard, but we work with their product lines and specifications daily. Most Orlando homeowners reach out after a permit gets flagged, a contractor ghosts mid-project, or an existing addition starts showing signs it wasn’t built to handle Florida’s humidity and heat.
Tell me what the problem is. We’ll figure out the rest from there.
Which American Standard Models This Applies To

American Standard’s home additions and ADU product ecosystem spans their whole-home comfort systems, plumbing fixtures, and HVAC components that integrate into new living spaces. When we’re building an addition in Orlando, the American Standard elements most homeowners ask about are their Silver and Gold series HVAC units, Cadet and Colony bathroom fixtures, and the plumbing rough-in specs that need to match existing American Standard supply lines. Here’s the compatibility gotcha we see constantly: American Standard’s newer Gold series condensers require a specific clearance envelope and drain pan configuration that older slab foundations in neighborhoods like Conway and Pine Hills weren’t always poured to accommodate. It’s not a dealbreaker, but it changes how we frame the pad and route the condensate line.
The OEM versus aftermarket decision matters here. For American Standard HVAC components inside an addition, we always recommend OEM parts while the unit is under warranty; aftermarket equivalents can void coverage. For fixtures and trim, quality aftermarket options from brands like Moen or Delta often match or beat American Standard’s consumer-grade lines at a better price point, and we’ll show you both numbers side by side before you spend a dollar.
Styles & brands we work with







Signs Your American Standard Home Additions & ADU Is Failing
- Humidity creep inside the addition. Florida’s summer humidity finds every gap. If your American Standard system can’t hold 50-55% relative humidity in the new space, the duct sizing or return air path was likely undersized from day one. That’s a design failure, not a unit failure, and it compounds fast in Orlando’s wet season.
- Drywall cracks at the tie-in point. Where the addition roof meets the original structure is the first place settlement shows. Hairline cracks are normal in year one; anything wider than a quarter inch, especially in College Park bungalows with older framing, signals differential settling that needs a structural look.
- Water staining on the new slab. Orlando’s afternoon thunderstorms expose any flaw in moisture barrier or slab preparation. Staining near the walls of your ADU often means the vapor barrier was installed incorrectly or skipped entirely.
- American Standard HVAC short-cycling in the new space. If the condenser kicks on and off every few minutes, the unit is oversized for the addition’s square footage or the thermostat placement is wrong. Short cycling kills compressor life.
- Doors that stick seasonally. Florida’s moisture cycles make wood framing swell. In a properly built addition, doors stay true year-round. In a rushed one, they bind every summer and loosen every winter.
See the difference
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After
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AfterReplacement Cost & What’s Included

For Orlando homeowners, a full home addition runs $45,000 to $130,000, and a complete ADU lands between $90,000 and $220,000. What moves the number isn’t mystery markup. It’s square footage, foundation type, the American Standard systems you specify, and how much of the existing structure has to be reworked to tie in cleanly. A 400-square-foot addition on a slab in Azalea Park costs less than the same footprint on a crawlspace in Winter Park, where access and existing utility runs get more complicated.
Every project gets a written price before any work starts, and that price includes permits, materials, labor, and the American Standard-compatible equipment specified. No change orders unless you ask for something different mid-project. The work is covered by our 365-Day Done Right Promise. If something isn’t right within a year of completion, we make it right at no cost to you.
DIY or Call Us?
Here’s the honest split. You can absolutely measure your lot setback lines, check your zoning overlay for ADU allowances, and verify your American Standard equipment model numbers yourself. What you shouldn’t do is pull permits, pour footers, run electrical, or modify HVAC refrigerant lines without a licensed contractor. Orlando and Orange County have strict codes on additions and ADUs, and a failed inspection resets your timeline by weeks, not days. A licensed contractor pulls the permits, schedules the inspections, and stands behind the work. If you’d rather not spend the next six months learning why a truss calculation matters, call us at (850) 920-7745.
FAQs

Built correctly, a home addition in Orlando lasts 40 to 60 years before major structural work is needed. The American Standard HVAC and plumbing components inside it have shorter lifespans: 12 to 18 years for a well-maintained condenser, 20 to 30 years for quality plumbing fixtures. The biggest longevity factor is moisture management from day one. Call (850) 920-7745 and we’ll walk you through what to look for.
Yes, in most cases. Failed HVAC components, deteriorated drywall, or fixture issues can be addressed without tearing down the structure. The question is whether the existing framing, slab, and tie-in points are sound. We’ll tell you straight if a repair makes sense or if you’re throwing good money at a bad foundation. Call (850) 920-7745 for an honest assessment.
Expect 4 to 8 months for a typical home addition and 6 to 12 months for a full ADU, depending on permit review time in your municipality. Orlando’s building department and Orange County’s permitting office have different workflows, and that’s a real variable. Isaac Pruett has managed enough of these projects to give you a realistic timeline before we start, not an optimistic one.
We keep common American Standard-compatible components on hand and order project-specific equipment with enough lead time to keep your build moving. We also work with KraftMaid, Cambria, and Silestone for the finish materials that go inside your addition. Call (850) 920-7745 to schedule your free estimate and get exact pricing for your project.
Written by Isaac Pruett, Owner, Mason Remodeling Co Orlando at Mason Remodeling Co Orlando, serving Orlando and nearby areas.


