Sample HVAC Design Package

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No two projects are identical, so we don't offer a preset price quote. If a quote doesn't change based on your actual plans, it's worth asking what happens once your project turns out to need more time than that quote assumed. Every project gets a preliminary plan evaluation before your consultation, to confirm the architecture has room for a proper, real-world duct and airflow layout. Your free consultation is a chance to walk through your project, ask questions, and find out exactly what we'll need from you to get started.

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What Our Customers Say

I knew I needed new ductwork and that I would need to buy a new unit in the next few years. To avoid getting swindled, I decided to get unbiased information from a consultant who would not be selling me equipment. David Brown and ConsultAir came highly recommended and I have not been disappointed. David created Manual J, S and D reports and a duct system layout, with quick replies that include thorough and easy-to-understand answers. As I gathered my first quotes from HVAC contractors, I got pushback on using a consultant’s drawings – some refused, others offered elaborate sales routines and scare tactics to persuade me to use their own drawings and equipment instead. I contacted David with questions about what I was experiencing, and he confirmed my suspicions about one contractor and offered additional guidance so I felt fully armed going into additional quotes.

SM Axland – via Google Review

If you are thinking of doing any kind of heating or cooling in your home don’t take a chance by trusting the local HVAC person. They have one agenda… To sell you an overpriced system and get the job done as quickly as possible. I learned this because I had 5 different bids and 5 different sized systems from each installer. How could this be I wondered? Well…it turns out that there is a real, systemic, and calculated way of finding out how big of a system you need for your home. There are manuals and load calculations that can be done to properly size your system. After much searching on Google I stumbled upon David Brown and ConsultAir. He was the person I was searching for. He did all the load calculations, the calculations for the ductwork and even offered some very helpful tips along the way. David should be your first call when looking to install a system. I cannot recommend him highly enough. Thanks David!!!

Timothy McNeely – Bakersfield, California

So, I'll start by saying I almost never write reviews. I know I know... it's a good, neighborly thing to do but for whatever reason, I don't ever seem to get around to it. That said, with respect to David and ConsultAir, it's more than warranted. Plainly put, if I could somehow magically reach out to anyone dealing with HVAC issues, I'd tell them this... he is one of the nicest, most helpful, most KNOWLEDGEABLE people I've ever met. And, at this point, the thought of installing or overhauling any HVAC system without his input seems ridiculous to me. My wife and I contacted David after (and here comes the all-too-common contractor story) our HVAC contractor installed a system in our house that was more than twice as big as it should have been. Three units powering different zones of the house, all oversized, that led to freezing up and leaking into our ceilings, jet-like air delivery from the vents, wildly varying hot/cold spots, etc. At David's direction, we took detailed measurements and gave him an overview of what we needed. From minute one, he took an academic approach to our needs the original contractor SHOULD have... calculating the proper loads room by room, studying the layout/functionality of our existing system, and ultimately, reconfiguring/designing a system that worked efficiently. That last point is the most important... for having gone through a full remodel of our house, we've learned that designing a NEW system that works well (any type... HVAC, plumbing, etc.) is hard enough. Reconfiguring an EXISTING system to maximize its potential with the lowest additional cost... that's truly a step above. Because you're working with something that, oftentimes, is less-than-perfect to begin with. And, in our case... far from it. So, to wrap up what, at this point, has become a novel... we can't recommend David and ConsultAir highly enough. He saw us through a difficult situation in a way we've rarely encountered elsewhere, and if you're considering any sort of HVAC install... TALK TO HIM FIRST. You won't regret it.

Gavin M. – Kingston Springs, Tennessee

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Home » Residential HVAC Design & Construction Knowledge Center » Sample HVAC Design Package

Sample HVAC Design Package – See Exactly What a Completed Manual J, S & D Delivery Includes

Every ConsultAir HVAC design includes a full set of ACCA-compliant reports and drawings, covering everything from the initial load calculations to the final duct layout. To give you a real look at what that includes, we’re sharing the complete design package from an actual custom home project. All client and property information has been removed, but everything else in the package, including the calculations, equipment selection, and duct design, is exactly as it was delivered.

Zoning Plan

The zoning plan shows how the various spaces within a home are divided among the project’s HVAC systems, indicating exactly which rooms and areas each system is responsible for conditioning.

Duct Plan

This is the to-scale duct system plan that puts the Manual D calculations into drawing form, showing the installing contractor exactly where every duct, register, and piece of equipment goes.

Manual J Load Calculation

This is the starting point and foundation of the entire HVAC design. Manual J calculates the actual heating and cooling loads for the entire home as well as for every room, based on the home’s specific construction, insulation, window types, orientation, and local climate data, not a rule-of-thumb estimate. Every decision that follows, equipment size and duct design, is built on these numbers.

Manual S Equipment Sizing

This is the Manual S report, which confirms that the selected equipment’s rated capacity fits within the heat loads calculated by Manual J.

Manual D Duct Design

Manual D determines how conditioned air actually gets delivered to every room, calculating the correct duct sizes, static pressure, and airflow needed so each room gets the amount of heating and cooling it was designed for.

Want a complete HVAC design package like this one for your project? Contact Us to get started, or learn more about how the process works.

One more thing worth knowing: your finished design package is worth keeping. File it with your other home records; it’s useful for future remodels and duct work, and at resale, it’s real evidence your system was professionally sized rather than installed by rule of thumb.

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