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Gas Fired Desiccant Dehumidifier for Residential and Light CommercialResidential and Light Commercial Applications
Advanced Humidity ControlAdvanced Humidity Control
ComfortDry 400 Program Scope
Develop a gas fired desiccant based dehumidifier for residential and lightdehumidifier for residential and light commercial applicationsSmall sizeSmall sizeLow first costSimple installation and operationp pRugged design for long lifeLow operating costsp g
Benefits of Desiccant Dehumidifiers
Provides “real independent” humidity controlM i RH t l i f ll d i th– Main RH control in fall and spring months
Improved IAQMold dust mite prevention– Mold, dust mite prevention
– Reduced allergens– Improved patron and employee comfort
Maintenance savingsSave energy
Why Humidity Control?
ASHRAE Comfort Zone
Market Potential- 90% of US Pop
Unique Features of ComfortDry 400
Gas fired desiccant based systemB th t l d– Both natural gas and propane
– Low operating costs- about $.10/hr @ $1 per therm
No drip line- no liquid waterp qLow first costSimple design
– Easy installation– Minimal maintenance
How it works
ComfortDry 400 Demo Unit
Dimensions
Unit Performance
Specifications
C t R d tiCost Reduction GTI/NovelAire Program
35% reduced35% reduced cost33% reduction33% reduction in size30% less weightg– Now 130 lbs.
COMFORTDRY 400Neptronics Humidistat
COMFORTCOMFORTDRY 400Stand Alone Configuration
COMFORTCOMFORTDRY 400Tie-in Configuration
ComfortDry 400
COMFORTDRY 400Installation
Installations- Applebees - Tampa
Humidity problemsP t C f tPatron ComfortMaintenance Problems
– Ceiling tiles– Ceiling tiles– Dripping registers– Sweating windows
Energy savings Installed two units <$10 000<$10,000
Applebees- Tampa
Applebees- Tampa
Applebees Tampa.- w/o RH Control
Applebees Tampa w/RH Control
Waffle House- Brandon, FL
Severe Moisture ProblemsProblemsSweating WindowsCold “clammy”Cold clammy Wet floorsDripping registers
Waffle House- Brandon, FL
Waffle House- Brandon, FL
Installations- ComfortDry 400
Installations- ComfortDry 400
Dehumidifier Comparison
12
8
10
12
ved
4
6
8
b W
ater
Rem
ov
0
2
4
$/lb
0Portable Dehumidifier Whole House DX1 Whole House DX2 ComfortDry 400
Desiccant vs DX
ComfortDry 400 AdvL it
DX unit AdvantagesFi t t– Large capacity
– Low RH controlBetter IAQ control
– First cost– Installation cost– Distribution
– No liquid line– Operating cost
advantage– Efficiency
ComfortDry 400 Status
Commercially available since 8/07– Active marketing programs
PERC initiativeEnergy Solutions Center Consortium