The key to comfort and The key to comfort and reduced fuel use for reduced fuel use for all heating systems all heating systems
Jan 29, 2016
The key to comfort and The key to comfort and reduced fuel use for all reduced fuel use for all
heating systems heating systems
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April 22, 2023April 22, 2023 33
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Fixed
temperature
boiler
control
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April 22, 2023April 22, 2023 66
170 F
Present systems are fixed controlPresent systems are fixed control
As you can see above, present fixed As you can see above, present fixed controls cannot take the variable controls cannot take the variable needs of buildings into consideration needs of buildings into consideration when supply heat is produced, This when supply heat is produced, This is wasteful heating.is wasteful heating.
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April 22, 2023April 22, 2023 88
190 F 10 F
140 F 50 F
fixed boiler set point flat line
variable boiler set point curve
70 F
Thermostat inactive
potential savings 10-30%
Outdoor tempBoiler temp
OctoberApril
NovemberDecember
JanuaryFebruary
March
potential savings 10-30%
Variable boiler temp savings
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190 F 10 F
140 F 50 F
fixed boiler set point flat line
variable boiler set point curve
70 F
Thermostat inactive
potential savings 10-30%
Outdoor tempBoiler temp
OctoberApril
NovemberDecember
JanuaryFebruary
March
potential savings 10-30%
Variable boiler temp savings
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High boiler output is only High boiler output is only required on a few coldest days of required on a few coldest days of
the heating season.the heating season.Most days even comfort can be Most days even comfort can be provided with reduced energy provided with reduced energy
expense.expense.
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Daily Heating Needs Daily Heating Needs
morningmorning
afternoon
evening
xx
x x x x x x xx
x
xx
x x x x x x x xx
x
35 F
15 F15 F
150 F
190 F
weather Boiler
1 hour
different system requirements
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The Main GoalThe Main Goal
Precise comfort Precise comfort replacement for building replacement for building heatheat loss loss..
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Energy act 2007Energy act 2007
Manufacturers of hot water Manufacturers of hot water boilers must provide a boilers must provide a means means for adjusting boiler output to for adjusting boiler output to actual heat load after 2012actual heat load after 2012..
Exquisite Heat is the Exquisite Heat is the ideal ideal solutionsolution..
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Exquisite HeatExquisite Heat
Adjusts heating/cooling Adjusts heating/cooling output in response to output in response to Thermostat demand Thermostat demand historyhistory..
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Even Comfort Even Comfort
Precise heating plant Precise heating plant energy use allows for energy use allows for even comfort to even comfort to allall the the spacespace..
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Temperature vs. ThermostatTemperature vs. Thermostat
The lower the supply The lower the supply temperature the longer it temperature the longer it will take the thermostat to will take the thermostat to sense the change. The more sense the change. The more even distributioneven distribution..
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IDR %
304050
6070
80
X
X
X
XX
X
X
Time in hours
150 F
140 F
160 F
170 F
180 F
190 F
200 F
X o o o o ooo
1 2 3 4 5 6 7 8
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April 22, 2023April 22, 2023 1919
April 22, 2023April 22, 2023 2020
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c o n tr o l
f u r n ac e o rb o ile r
ac u n it
f ir e
en c lo s ed en v ir o n m en tT Tr ad ia to r
p u m pf an
O u ter en v ir o n m en t
tem p s en s o r
tem pm ed iu md u c tsa ir o rf lu id
HVAC S y s tem
t e m pse n so r
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What happened?What happened? A new philosophy of boiler control.A new philosophy of boiler control. To satisfy an Ideal Thermostat To satisfy an Ideal Thermostat
Demand ratio.Demand ratio. As Actual Thermostat Demand As Actual Thermostat Demand
changes in relation to Ideal changes in relation to Ideal Thermostat Demand, the boiler Thermostat Demand, the boiler output is adjusted every hour.output is adjusted every hour.
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EfficiencyEfficiency Reduced boiler & piping standby heat Reduced boiler & piping standby heat
loss.loss. Increased heat exchanger circulationIncreased heat exchanger circulation Better convection at baseboard and Better convection at baseboard and
radiators that are heated evenly.radiators that are heated evenly. Less back wall radiation loss at lower Less back wall radiation loss at lower
temperatures.temperatures. Precise BTU replacement.Precise BTU replacement.
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Outdoor reset controlOutdoor reset control
Time lag from temp change to interior heat Time lag from temp change to interior heat lossloss
Sensor is subject to wet, wind, placement.Sensor is subject to wet, wind, placement. Fixed curve assumption unrelated to building.Fixed curve assumption unrelated to building. Buildings react to a combination of heat loss Buildings react to a combination of heat loss
factors: sunlight, wind, windows, insulation, factors: sunlight, wind, windows, insulation, structure, occupancy & thermostat setting. structure, occupancy & thermostat setting.
Over and Under heating.Over and Under heating.
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Thermostat activity is the Thermostat activity is the accurate means for detecting heat accurate means for detecting heat
loss and comfort needs.loss and comfort needs.Precise adjustment of hot air, Precise adjustment of hot air,
steam or hot water supply steam or hot water supply provides ideal comfort for provides ideal comfort for allall
heating systems.heating systems.
All Heating SystemsAll Heating Systems
Hydronic Radiant, Decentralized SteamHydronic Radiant, Decentralized Steam Hot Air Systems, Humidification,Hot Air Systems, Humidification, Refrigeration, Steam Zone Valves,Refrigeration, Steam Zone Valves, Steam to Hydronic Heat Exchangers, Geo-Steam to Hydronic Heat Exchangers, Geo-
Thermal Systems, Solar Hydronic Hybrid Thermal Systems, Solar Hydronic Hybrid Heat,Heat,
Fresh Air IAQ, Process Control, Navigation, Fresh Air IAQ, Process Control, Navigation,
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April 22, 2023April 22, 2023 2727
April 22, 2023April 22, 2023 2828
April 22, 2023April 22, 2023 2929
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Reduction of chimney wasteReduction of chimney waste
Air Pollutants: CO2, NO, etc.Air Pollutants: CO2, NO, etc. Particulates & heatParticulates & heat
Air Pollutants: CO2, NO, etc.Air Pollutants: CO2, NO, etc. Particulates & heatParticulates & heat
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Unconditional GuaranteeUnconditional Guarantee
Exquisite Heat will exchange failed Exquisite Heat will exchange failed equipment for equipment for five yearsfive years. Lease and rental . Lease and rental replacement will occur for the term of the replacement will occur for the term of the agreement.agreement.
One year One year Guarantee-Equipment will be Guarantee-Equipment will be removed and full refund. removed and full refund.
The goal is to refine comfort and efficiency.The goal is to refine comfort and efficiency.
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ManufacturersManufacturers
Now have the opportunity to Now have the opportunity to develop develop efficient boilersefficient boilers and and deliverdeliver systemsystem efficientlyefficiently to to the final the final comfortcomfort recipient. recipient.
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Heating ContractorsHeating Contractors have the opportunity to deliver have the opportunity to deliver
unprecedented unprecedented comfort and comfort and efficiency to their customersefficiency to their customers..
Exquisite Heat offers the best in Exquisite Heat offers the best in class for controlling existing class for controlling existing buildings without the need for buildings without the need for major renovation.major renovation.
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Factory SettingsFactory Settings
Each control comes from the factory set up to Each control comes from the factory set up to attach and run. attach and run.
Advanced programming is available for those Advanced programming is available for those who wish to adjust variables.who wish to adjust variables.
No computer knowledge is needed to install No computer knowledge is needed to install the control.the control.
Thank you !!Thank you !! “ “Exquisite Heat” reg. trademarkExquisite Heat” reg. trademark
www.Exqheat.com914-588-4791914-588-4791
Rev 08-09Rev 08-09
US Patent 6,402,043 10/18/01