HVAC Design

HVAC Design – Request For Proposal

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If you’d like to receive a proposal for your project, complete the form below, attach your plans, and we’ll follow up with you.

We ask that you provide us with a set of plans, the specs, equipment data, and optional duct sketch. For instructions on what data we’ll eventually need from you, see the list on this page.


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Tell Us About Your Project

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What services and components does your project require?

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What type of system(s) do you want to use?(Required)

Tell us the specifics

If you know how many systems you'd like, or where the ductwork will travel, etc., this is the place to mention it. Or, if you have a spec document, you can attach it below, along with your plans.

By when do you need this completed?

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    SKU: HVAC_Design_RFP Category:

    Manual-J

    We assess the building (new or existing) to determine how much air it will require in each room to maintain comfort. Hundreds of variables are analyzed by the software we use. This utilizes the 8th edition of ACCA’s Manual-J. We can model scenarios such as sealed crawlspaces, spray foamed attic spaces, multifamily housing (townhomes, apartments, and condos), etc. We can also include zones to fit your needs.

    Manual-S

    We’ll take your equipment specs and determine proper size selection based on Manual-S methods. We’ll utilize our custom sizing tool to interpolate your equipment’s capacity for the specific climate conditions of your project. Our goal is to help you use the smallest piece of equipment you can, while still satisfying the load of the building.

    Manual-D

    We’ll take your duct sketch (or design it ourselves, depending on your preference) and lay it out in the software, along with the specific blower specifications of the selected equipment, to determine the best duct size for each and every run within your project. We’ll supply you with both a drawing and a list to illustrate the results.

    What you’ll need to tell us:

    We’ll need the following information, depending on what you’re asking us to do for you. You can submit it when you place your order. Or, you can email it to us.

    Basic Package (Manual-J)

    • Plans – We prefer pdf’s. They’ll need to be drawn to scale. Napkin drawings are okay, as long as they’re to scale (and you tell us what the scale is).
    • Envelope – We need to know what your floor, walls, and ceiling/roof is made of. If this is on the plans, great. If not, we’ll need you to tell us.
    • Insulation – What insulation levels are being used in the house – floor/walls/roof
    • Windows – We need TWO pieces of data for the windows: U-value and SHGC
    • Doors – Describe the solid doors to us. Solid wood, insulated steel, etc.
    • Infiltration – What’s the estimated air-change rate of your project? You can give this to us in ACH50, a target blower door result, or qualitatively (super-tight, kinda-tight, etc.). The more specific you are, the more accurate the result.
    • Ventilation – Do you have an active ventilation system? If so, please describe what you’ll be doing.
    • Duct location – Where do you plan on installing the ductwork (attic, crawlspace, between floors, etc.) for each system.
    • Duct leakage – How tight will the ducts be? Will they be pressure tested after installation?
    • Internal loads – If you know of specific internal loads that are out of the ordinary, let us know what they are and which room they’ll be in. We’ll account for standard kitchen appliances & people regardless.
    • Orientation – In what direction does the front door face?

    Equipment Specifications (Manual-S)

    • We’ll need a pdf of the equipment specifications you plan to use.
    • Condenser info must include “detailed cooling capacity” data that lists capacity at various indoor/outdoor air conditions.
    • If you’re using a separate coil (not part of a fan coil unit), we’ll need that data as well.
    • Filter sizes and static drop data, if available, should be included.

    Duct Sizing (Manual-D)

    • We’ll need a sketch of your desired layout. This should include: indoor-unit location, main trunkline pathways, and termination placement (supplies and returns).
    • We’ll need to know what your fitting and duct material preferences are. You can refer to Appendix 3 of Manual-D for info on fittings. We could also simply discuss this over the phone
    • If you opt to have us do the layout, we’ll likely need to chat with you on the phone to ask a few questions.
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