Transcript Why Electric Heat

Electric Boilers
Meeting Agenda
Why Electric Boilers???
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Rising / unstable fossil fuel prices
Low / stable electric rates
Save money on monthly heating bills
Save money on boiler installation
New construction opportunities
Retrofit market opportunities
Meeting Agenda
Thermolec Boilers
 Features: FFB and TMB models
 Installation
 Sequence of Operations
EP Sales and Thermolec
on the Web:
www.epsalesinc.com/thermolec
Why Electric Heat ?
Electric heat can reduce your customer’s heating bills
by up to 50%!
Electric boiler total installed cost is up to 50% less
than Mod/Con gas boiler!
Monthly savings from electric vs. gas heat can pay for
electric boiler retrofit in less than two years!!
Uses Domestically Produced Energy!!!
Electric Boilers
What is Happening with
Energy Prices?
Electric Boilers
What is Happening with
Energy Prices?
Electric Boilers
How Do We Compare Energy
Prices?
Electric Boilers
Get to Know Your Local
Rural Electric Coops and
Utility Company Programs
Electric Boilers
Electric Boilers
Electric Boilers
Electric Boilers
Electric Boilers
Electric Boilers
Electric Boilers
How Do We
Compare
Propane Rates
vs.
Electric Rates?
Electric Boilers
Compare Propane to Electric – Cost Per Million BTU’s
Electric Boilers
Current Propane Rates
Propane Company
Location
Current Price per Gallon
Amerigas
McCall
$2.62
Suburban Propane
Twin Falls
$2.90
Suburban Propane
Boise
$3.30
Suburban Propane
Elko, NV
$3.32
V-1 Propane
McCall
$2.59
AVERAGE PRICE
$2.94
Using the Cost per Million Btu sheet to sell the
concept
Propane : Cost comparison
• Current average propane cost = $2.94 per gallon
• $2.94 per gallon with a 90% efficient device = $35.70
per million BTU
• Inland Power Electric Rate = $.0575 per kW
• $.072 per kW = $16.85 per million BTU
Electric Boilers
Compare Annual Heating Bills
Propane vs Electric
• Assume 1,500 SF ranch home with full
basement. 3,000 SF total heated space
• Assume 1500 gallons of propane per heating
season
• Assume $2.94 per gallon and $.0575 per kW
Electric Boilers
Compare Annual Heating Bills
Electric vs. Propane
• 1500 gallons X 91,500 btu per gallon of propane
= 137,250,000 btu’s
• 137,250,000 btu’s X 90% = 123,525,000 btu output
with propane
• 123,525,000 ÷ 3,413 btu per kW = 36,192 kW
Electric Boilers
Estimated Annual Savings
Heating with Electric vs. Propane
• 1500 gallons X $2.94 per gallon of propane
= $4,410 cost of heat
• 36,192 kW X $.0575 per kW = $2,081 cost of
heat
• $4,410 - $2,081 = $2,329 annual savings!
• 52.8% annual savings!
Electric Boilers
Why Electric Heat ?
Reduce winter heating bills
by Switching to Electric!!!!
Electric Boilers
Why Electric Heat ?
Retrofit Market Opportunity
 Existing propane boiler, whole house HW or
radiant floor system
 Retrofit to electric to take advantage of low
electric rates from Electric Coop
Electric Boilers
Why Electric Heat ?
Electric Boilers
Electric Boilers
Why Electric Heat ?
Retrofit Market Opportunity
• Assume $2,500 total installed cost of electric
boiler
• Electric comparison – save $2,081 on heating
bills
• Retrofit boiler installation with existing
propane boiler, payback in less than 2 years!
Electric Boilers
Why Electric Heat ?
Reduce annual heating bills
…..Also…..
 Reduce total installed cost of boiler
system
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Electric Boiler vs. Gas Boiler
Installation / Material Cost Comparison
34,000 btu radiant floor heating system
Fossil fuel boiler requires venting and gas piping
Electric Boilers
Why Electric Heat ?
New Construction: Reduce Boiler System
Total Installed Cost
 New construction - radiant in basement, 34,000
btu load:
• Electric boiler: 10 kW $1,022
• Mod/Con gas boiler: 50,000 btu input $_______
 Add for gas boiler installation:
• Gas piping, Venting
Electric Boilers
Why Electric Heat ?
Electric Boilers
Why Electric Heat ?
Electric Boilers
Why Electric Heat ?
 New construction - radiant in basement:
• Electric boiler: 34,000 btu output (10 kW) $1,022
• Mod/Con gas boiler: 50,000 btu input $2,500 and up
 Add for gas boiler installation:
• Gas piping: Add???
• Venting: Add???
 Electric boiler is up to 50% lower total installed cost
vs. Mod/Con gas boiler!
Electric Boilers
Why Electric Heat ?
Convenience
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Supplement geothermal
Supplement solar
Small radiant jobs
Projects that have venting issues, gas piping
issues, etc.
Electric Boilers
Why Electric Heat ?
Electric Boilers
Electric Boilers
FFB Model
New Features
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One boiler for all applications with updated features:
190°F maximum supply water temp
Manual reset high limit sensor on tank
Solid state relay on first element, DC relays on other
elements (exception 5.75 elements have SSR’s)
• Reduced price
Electric Boilers
TMB Model
TMB Boiler Features
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Available in 3, 6, 9, 11kW sizes
More compact, lighter weight
Same standard features as the FFB
First two element relays built on to control board
Less expensive than the FFB
Electric Boilers
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FFB Model available from 5 kW through 40 kW
 17,000 to 136,500 BTU output
• Single phase and
three phase
• Boilers are CSA Listed
• Not ASME listed
Electric Boilers
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Compact housing
 5 kW – 23 kW:
18” x 18” x 9-1/2”
42 pounds
 27 kW – 40 kW:
28” x 18” x 9-1/2”
62 pounds
Electric Boilers
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Stainless Steel Tank
 Corrosion resistant
Supply Water
Connection
•
Return Water
Connection
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 Conveniently located
Electric Boilers
Nickel Chrome low
watt density element
in Incoloy tube
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 From 1 to 4 elements
depending boiler model
Electric Boilers
• Pressure / Temp
Gauge and Pressure
Relief Valve come
with boiler
•Gauge installs on
boiler tank
Electric Boilers
•Circuit breakers
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Easy isolation for
service
Electric Boilers
• High Limit Sensor
• Now manual reset
• Backup Contactor
 Double break contactor, cuts
power to elements
 Prevents boiler from
overheating
Electric Boilers
• Transformer with
fuse protection
 240/24VAC
Powers control voltage
•Pump relay
 Switches pump on with call
for heat (dry contact)
Electric Boilers
Electronic control board
with aquastat
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• Supply water
temperature sensor
• Solid state relays
 Controls all boiler functions
including pump operation, supply water
temperature, element switching and load
management control
 Modulates elements for better
multiple zone system control
Now SSR on first element only
Electric Boilers
On / Off Boiler Control versus Full Modulation
“Give it the Gas”
Electric Boilers
Outdoor sensor and reset
“Cruise Control”
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 Installed on North side of home
 18/2 wired to boiler control board
 Boiler adjusts supply water
temperature based on ambient
temperature
 Saves energy
 Improves comfort
Electric Boilers
TMB Boiler Features
•Same standard features
as FFB boiler:
 Stainless steel tank
 Full modulation
 Outdoor sensor
and reset control
 Circuit breakers
 Pump relay
 P/T gauge and
pressure relief valve
Load management
control
Electric Boilers
Boiler Selection
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BTU output requirement
• Choose the model: FFB or TMB
Electric Boilers
Dual Temp. Option
Electric Boilers
Electric Boilers
Electric Boilers
Recommended Water Flow Rate - 20° ΔT
Electric Boilers
Boiler Installation Basics
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Wall hung, zero clearance to combustible
materials
• 12” (5 – 23 kW) or 24” (27 kW and up)
minimum clearance above boiler
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Primary / Secondary piping or direct
return based on flow requirements
Electric Boilers
Electric Boilers
Electric Boiler
Questions???
Custom Duct Heaters
Custom Duct Heater Standard Components
Automatic Reset Cut-
Manual Reset Cut-out
out
Magnetic
Contactors
Transformer
Switch
Load Fuses
Air Flow
Stock Duct Heater
Thermo X Air, TER and ZON Heaters
Thank You
For Your Business!