Plantation · Manual J & D Design
Manual J Load Calculation & Manual D Duct Design in Plantation, FL
In-house Manual J load calculations and Manual D duct designs, so your system is right-sized and every room gets the air it needs. Serving Plantation, FL. 4.8★ on Google with 229+ reviews.
18+
Years in business
4.8★
229+ Google reviews
Licensed
FL #CAC1820211
A+
BBB Accredited
24 / 7
Emergency response
Why Swift AC
What you get with our manual j load calculation & manual d duct design.
Four things we don't compromise on, every job, every customer.
Why this matters
Built for the home you live in.
Your AC is not a piece of equipment. It is the difference between kids sleeping through hot August nights and a hallway fan war at 2 a.m.
We treat every install and repair the way we would want our own family taken care of. Properly sized systems. Honest diagnostics. Clean work that lasts. Because the people you love deserve a home that stays cool, dry, and comfortable, year after year, without you having to think about it.
Why Swift AC
The standard South Florida homeowners trust.
We earn our reputation one job at a time. Every system we install, every repair we make, every customer we serve carries our 100% satisfaction guarantee.
Offers for Plantation customers
Save on quality HVAC service.
Real, simple deals on the work you actually need. No mystery pricing, no bait and switch.
What customers say
4.8★ on Google with 229+ reviews.
We earn our reputation one job at a time. Here's what your neighbors are saying.
“When you are looking for a reliable, quick and honest HVAC team this is the company you want to deal with. Reach out, you will be wowed. Also, they are nice guys and will spend the time to explain your needs.”
David Ragheb
West Palm Beach
...and 226+ more on Google.
Book your manual j & d design in under 30 seconds.
A real Swift AC team member answers, every time. Same-day service across South Florida.
About Plantation
Manual J Load Calculation & Manual D Duct Design in Plantation, FL.
Plantation homes have been through decades of updates, and each one changed how much cooling the house needs. Impact windows and new roofs often lower the load, while enclosed porches, converted garages and open floor plans with big sliding doors raise it in specific rooms. Yet many replacements are still sized by copying the old unit. Swift runs Manual J load calculations in-house for the systems and duct projects we install in Plantation, measuring each room so the equipment matches the house as it is now. Shade from the city's mature trees is part of the calculation, since a heavily shaded home can need noticeably less capacity than one in full sun. The room-by-room loads then feed a Manual D duct design that delivers the right air to each space, keeping every bedroom within 3°F of the thermostat. In larger Plantation Acres homes, the same numbers show whether one system, two systems or zoning makes the most sense.
About this service
Manual J Load Calculation & Manual D Duct Design in Plantation
Most air conditioners in South Florida were sized with a rule of thumb, so many tons for so many square feet, or simply matched to the unit they replaced. That shortcut ignores what really drives the load in a Florida home: window area and direction, glass type, shading, insulation, ceiling heights, duct location, air leakage and the moisture the system has to remove. An oversized system cools fast, shuts off and leaves the house clammy. An undersized one runs nonstop. And without a duct design, even a perfectly sized system can't get the right amount of air to each room.
Swift Air Conditioning does this work in-house, using the ACCA standards. Manual J is the room-by-room heating and cooling load calculation. Manual S uses those loads to select equipment with the right capacity and enough moisture removal for our climate. Manual D designs the duct system, sizing each supply, trunk and return so the blower can deliver the airflow each room needs. Manual T guides the choice of registers and grilles so the air mixes well in every room.
The design target is the comfort guideline in ACCA's Manual RS: each room within 3°F of the thermostat while cooling. We build every replacement and duct project to the design, then measure airflow and temperatures after installation to confirm it performs.
Florida's energy code calls for heating and cooling equipment in new homes to be sized with Manual S from a Manual J load calculation, and the residential code points to Manual D for duct design. We bring the same discipline to replacements, additions and renovations, because it's what makes a home comfortable. Call (561) 685-8408 to schedule an in-home visit.
Ruud Pro Partner
Real Swift work in Plantation.
Watch what to expect when our team shows up. Honest installs, careful technicians, the same standard on every Plantation job.
Neighborhoods we serve
Local areas in Plantation.
Manual J and Manual D design for Plantation homes in Jacaranda, Central Park, Pine Island Ridge and Plantation Acres, along Broward Boulevard, Peters Road, Pine Island Road, University Drive and Sunrise Boulevard, including renovated homes, additions and larger estate properties.
Local details
Manual J Load Calculation & Manual D Duct Design details for Plantation.
A Plantation Manual J begins outside the house. We note which walls face west, how much shade the mature trees provide and whether the roof has been replaced. Inside, every room is measured, every window and sliding door is recorded by size, direction and glass type, and the attic is checked for insulation depth and duct routing. Converted garages, enclosed porches and additions are entered as separate rooms because they usually behave differently from the original house. With the room loads in hand, Manual S narrows the equipment to models whose capacity and moisture removal match the home, and in Plantation Acres that step also weighs one system against two or a zoned design. The Manual D layout follows, with a branch size for each room, return locations that keep bedrooms open to airflow and a total duct pressure the blower can handle. Register selection comes from Manual T. If a renovation is in the works, we design for the finished layout. After installation, we measure the airflow to confirm your Plantation system matches the design.
Coverage map
Serving Plantation.
Same-day service across every neighborhood and ZIP code below. No travel surcharges.
Neighborhoods we serve
- Jacaranda
- Central Park
- Pine Island Ridge
- Plantation Acres
ZIP codes we cover
8 ZIP codes across Plantation.
Nearby cities
Manual J Load Calculation & Manual D Duct Design in nearby cities.
We service these neighboring cities with the same standard, same response time, and no travel surcharges.
Got questions?
Frequently asked questions
Yes. New windows, a new roof or added insulation can lower the load, while additions and big sliding doors raise it. If your Plantation home has changed since the last system went in, a new Manual J will show the size you actually need now.
Sometimes. A room-by-room Manual J shows how the load is distributed, and Manual D shows whether one duct system can deliver the air efficiently to distant wings. For larger Plantation Acres homes, two systems or zoning often give steadier comfort, and the numbers make that clear.
Usually an hour or two on site, depending on the size and layout of the home. We measure the rooms, check the attic and note upgrades, then run the calculation and design. We share the results with your replacement or duct quote for your Plantation home.
Manual J is the ACCA standard for calculating how much heating and cooling each room of a home needs. It accounts for walls, windows and their direction, glass type, shading, insulation, ceiling heights, duct location, air leakage and occupants, and it calculates the moisture load as well as the heat load.
Manual J calculates the loads. Manual S selects equipment that matches those loads, including enough moisture removal. Manual D designs the duct system that delivers the right airflow to each room, and Manual T guides register and grille selection. Used together, they produce a system that's sized right and delivers air evenly.
Related services
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Air Conditioning Installation
Expert AC installation with top-rated equipment and warranty-backed workmanship.
Learn moreDuct Replacement
Whole-home duct replacement designed in-house with Manual J and Manual D, then sealed, insulated and balanced. Free in-home quote.
Learn moreAirflow Diagnostic & Duct Balancing Assessment
A measured airflow diagnostic for hot and cold rooms: static pressure, room-by-room airflow, duct leakage and thermal imaging, then balancing.
Learn more
Ready when you are
Comfort done right. Let's get started.
Free estimates on installs. Honest diagnostics on repairs. Same-day service across South Florida and a real human on the other end of the line, every time.
Service area
Palm Beach · Broward · Martin · St. Lucie
Licensed FL #CAC1820211