Manual J – Whole Home New Construction – Garden State HVAC Design

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Step 1 — Contact & Property Information

First & Last Name

Company Name (Contractors Only — Leave blank if homeowner)

Email Address

Phone Number

Property Street Address

Property City / Town

Property State

Property ZIP Code

Step 2 — Blueprint Submission

Please email your blueprint PDF directly to us at gshvacdesign@gmail.com Make sure the PDF includes, All floors in a single PDF, Room labels and dimensions, Elevations (if available), Window and door schedules (if available)

Accepted formats: CAD export (most accurate), Revit, Bluebeam, or high-resolution scanned PDF with clear room labels and dimensions. (You Can Take a Picture of the plans but everything on it must be visible and can be easily read).

Step 3 — Foundation Type

What type of foundation will the house be? This helps us accurately calculate the home’s heating and cooling loads.(required)

Slab on Grade — House built directly on concrete slab, no basement or crawl space Crawl Space — Raised house with crawl space underneath Basement — House with basement level below

Step 4 — Basement Details

⚠️ Complete this section only if you selected Basement in Step 3.

Basement Type — Will the House be a Full Basement or Daylight/Walkout

Full Basement — Foundation walls floor-to-ceiling, interior stairs only Daylight/Walkout Basement — Has exterior door access to grade level

Step 5 — Square Footage

What will be the Conditioned Square Footage (sq ft)? — Include: Living room, bedrooms, kitchen, finished basement. Exclude: Garage, unfinished basement, attic, porch, crawl space.

Step 6 — Number of Stories

How many stories will be built? This helps us calculate room-by-room loads and multi-story air distribution accurately.(required)

1 Story 2 Stories 3 Stories 4 Stories

Step 7 — HVAC System Type

What type of heating and cooling distribution system are you planning to put in/outside of house?(required)

Ducted — Central air system with ductwork throughout the house Ductless — Mini-split or wall units (no central ductwork)

Step 8 — Heating System

What will be the primary heating system? This determines equipment recommendations.(required)

Natural Gas / Propane — Gas furnace or boiler for primary heating Heat Pump — Electric heat pump for both heating and cooling Dual Fuel — Heat pump with gas backup for cold weather

Step 9 — Building Envelope (Optional)

Override insulation and air sealing values if known. If left blank, we’ll try to identify them from your blueprint. If we can’t, we’ll use industry defaults.

Wall R-Value (e.g. R-13, R-21)

Ceiling R-Value (e.g. R-38, R-49)

Window U-Factor (e.g. U-0.30)

Window SHGC (e.g. 0.25)

(If House will have a Basement) Basement Foundation Wall R-Value

(If House will have a Basement) Basement Floor Insulation R-Value

Step 10 — Building Orientation

Tip: Selecting Not Sure will use climate-based estimates, affecting accuracy by ~5-10%.

Which direction will the front of your building face? Knowing your building’s orientation helps us calculate accurate solar heat gains for each room, improving system sizing by up to 20%.(required)

GARDEN STATE HVAC DESIGN

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