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Gas Fired Desiccant Dehumidifier for Residential and Light Commercial Residential and Light Commercial Applications Advanced Humidity Control Advanced Humidity Control
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
