110333 manual j in nebraska

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Manual J Computations In Nebraska

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SavingThe PlanetOne HouseAt A Time

G r e e n E a r t h E q u i t i e s . C o m © 20101

SavingThe PlanetOne HouseAt A Time

G r e e n E a r t h E q u i t i e s . C o m © 2010

Design:

Can we improve the design (floor plan) of this project

Based on Market Demand, We are always looking to open

up living spaces especially at kitchens.

Is this a bearing wall?If so, it will be a

little more work.

Remove?

2

SavingThe PlanetOne HouseAt A Time

G r e e n E a r t h E q u i t i e s . C o m © 2010

Working Backwards:Normally we would first

calculate our Heat Load and then ask, “What is our best choice for

heating and cooling?”

Tonight we are impressed with the 25 SEER , 12,000 btu

Heating and Cooling unit from Fujitsu. We know it’s output.

Can we modify the building envelope to get the load down to where our preferred unit

will do the job?

3

SavingThe PlanetOne HouseAt A Time

G r e e n E a r t h E q u i t i e s . C o m © 2010

A Lot To Like:26 SEER (that’s double)

(that means half)

No duct loss ZERO

Super Quiet

Easy Install

Available on Internet

Proven Track Record

Performs down to 5 degrees

Cheaper than a ducted system

4

SavingThe PlanetOne HouseAt A Time

G r e e n E a r t h E q u i t i e s . C o m © 2010

Back Up Plans?What do we have for a backup plan for the few

hours it’s 10 below zero?

Or when the electricity goes out?

How will we get air to the bedrooms?

5

SavingThe PlanetOne HouseAt A Time

G r e e n E a r t h E q u i t i e s . C o m © 2010

Manual J Heat Load CalculationWhat’s an HTM?

Size Counts...But Direction Counts More

Dont forget the people?What about the computers?Customize for your climate

All square footageExcept Slabs = Perimeter

Interpolate the HTMsNo One Is Going To Die

There are safety factors built in ... Dont add more

6

SavingThe PlanetOne HouseAt A Time

G r e e n E a r t h E q u i t i e s . C o m © 20107

SavingThe PlanetOne HouseAt A Time

G r e e n E a r t h E q u i t i e s . C o m © 2010

We’re Going Live Now

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