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MiniMax 100 Spa and AG Pool Heater - Electronic Propane With 6 ft Cord
MiniMax 100 Spa and AG Pool Heater - Electronic Propane With 6 ft Cord
$893.79
$849.99
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HOW TO APPROXIMATE THE COSTS
OF HEATING YOUR POOL OR SPA USING A GAS HEATER

There are numerous factors that affect heating costs, such as wind, heater efficiency, surface area, type of pool/spa construction, ambient temperature, whether or not the pool is covered, etc.. This is only intended to be used as a general guideline and should not be considered absolute. If carefully done, however, you should get a reasonably good idea of what your heating costs will be.

At the bottom of the page we have provided a calculator which takes most factors into account and will perform these calculations for you.
 


First, we need to define BTU, or British Thermal Unit. This describes the amount of energy it takes to raise one pound of water, one degree Fahrenheit.

Second, we need to determine the number of gallons of water in the pool or spa. Assuming you have a 15,000 gallon pool, for example, you will be heating 124,650 lbs of water, since 1 gallon of water weighs 8.34 lbs.. To heat this water 1 degree will then require 124,650 BTU's.

Third, we need to factor in a heater's efficiency rating. Most heaters sold today typically run in the 80-83% efficiency range. Basically, this means that you lose about 20% of the BTU input as wasted energy. So, now you need 155,813 BTU's to heat this water 1 degree

Fourth, since we are billed in therms and not BTU's, we need to translate this into therms. (one therm = 100,000 BTU's). This pool, with today's average heater, would require 1.5 therms to raise the temperature 1 degree fahrenheit.

Fifth, we need to determine the cost of a therm. Gas costs vary greatly from area to area, and often by season, so you need to determine this from your gas bill. For the sake of simplicity here, let's assume a cost of $1.00 per therm. 1.56 therms times 100 cents per therm = $1.56. So, to raise the temperature of this pool, say 10 degrees, would cost $15.60, assuming, for simplicity's sake, that there was no heat loss.

A 200,000 BTU heater costs, $2.00 per hour to operate based on our per therm price of 100 cents. As you can probably tell, this heater uses 2 therms per hour. A 300,000 BTU heater uses 3 therms per hour, and so on.




Volume of Pool or Spa Gallons - required
Average Wind Speed MPH
Heater Efficiency % - required
Desired Temperature Rise degrees - required
Cost of Fuel per therm (from utility bill) $ Required


Select the BTU rating of the heater:

55,000 BTU Heater
100,000 BTU Heater
125,000 BTU Heater
150,000 BTU Heater
175,000 BTU Heater
200,000 BTU Heater
250,000 BTU Heater
265,000 BTU Heater
300,000 BTU Heater
350,000 BTU Heater
400,000 BTU Heater




Be sure to browse our large selection of
pool heaters, spa heaters, and swimming pool heat pumps


BACK TO TECHNICAL REFERENCE



We sell all of the following swimming pool heaters, spa heaters, and heat pumps. Insured ground shipping is included, and orders are typically shipped within 24 business hours

Model# H250FDN  Hayward 250000 BTU Dual Electronic NAT LO-NOXHAYH250FDNHayward 250000 BTU Dual Electronic NAT LO-NOXH250FDN
Model# H250FDP  Hayward 250000 BTU Dual Electronic PROPANE LO NOXHAYH250FDPHayward 250000 BTU Dual Electronic PROPANE LO NOXH250FDP
Model# H400FDN  Hayward 400000 BTU Dual Electronic Ind Draft NAT LO-NOXHAYH400FDNHayward 400000 BTU Dual Electronic Ind Draft NAT LO-NOXH400FDN
Model# LRZ125EN  Jandy Legacy 125000 Btu Electronic Natural Gas HeaterJDYLRZ125ENJandy Legacy 125000 Btu Electronic Natural Gas HeaterLRZ125EN
Model# LRZ125EP  Jandy Legacy 125000 Btu Electronic Propane Gas HeaterJDYLRZ125EPJandy Legacy 125000 Btu Electronic Propane Gas HeaterLRZ125EP
Model# LRZ175EN  Jandy Legacy 175000 Btu Electronic Natural Gas HeaterJDYLRZ175ENJandy Legacy 175000 Btu Electronic Natural Gas HeaterLRZ175EN
Model# LRZ175EP  Jandy Legacy 175000 Btu Electronic Propane Gas HeaterJDYLRZ175EPJandy Legacy 175000 Btu Electronic Propane Gas HeaterLRZ175EP
Model# LRZ250EN  Jandy Legacy 250000 Btu Electronic Natural Gas HeaterJDYLRZ250ENJandy Legacy 250000 Btu Electronic Natural Gas HeaterLRZ250EN
Model# LRZ250EP  Jandy Legacy 250000 Btu Electronic Propane Gas HeaterJDYLRZ250EPJandy Legacy 250000 Btu Electronic Propane Gas HeaterLRZ250EP
Model# LRZ325EN  Jandy Legacy 325000 Btu Electronic Natural Gas HeaterJDYLRZ325ENJandy Legacy 325000 Btu Electronic Natural Gas HeaterLRZ325EN
Model# LRZ325EP  Jandy Legacy 325000 Btu Electronic Propane Gas HeaterJDYLRZ325EPJandy Legacy 325000 Btu Electronic Propane Gas HeaterLRZ325EP
Model# LRZ400EN  Jandy Legacy 400000 Btu Electronic Natural Gas HeaterJDYLRZ400ENJandy Legacy 400000 Btu Electronic Natural Gas HeaterLRZ400EN
Model# LXI250N  Jandy LXI 250K BTU Natural Gas HeaterJDYLXI250NJandy LXI 250K BTU Natural Gas HeaterLXI250N
Model# LXI400N  Jandy LXI 400K BTU Natural Gas HeaterJDYLXI400NJandy LXI 400K BTU Natural Gas HeaterLXI400N
Model# 460387  MiniMax 100 Spa and AG Pool Heater - Electronic Natural With 6 ft CordPEN460387MiniMax 100 Spa and AG Pool Heater - Electronic Natural With 6 ft Cord460387
Model# 460388  MiniMax 100 Spa and AG Pool Heater - Electronic Propane With 6 ft CordPEN460388MiniMax 100 Spa and AG Pool Heater - Electronic Propane With 6 ft Cord460388
Model# 460730  Master Temp 200,000 BTU Heater, Elec; Dual Therm; Polymer Hdr Nat GasPEN460730Master Temp 200,000 BTU Heater, Elec; Dual Therm; Polymer Hdr Nat Gas460730
Model# 460731  MasterTemp 200,000 BTU Heater, Elec; Dual Therm; Polymer Hdr, PropanePEN460731MasterTemp 200,000 BTU Heater, Elec; Dual Therm; Polymer Hdr, Propane460731
Model# 460732  Master Temp 250,000 BTU Heater, Elec; Dual Therm; Polymer Hdr Nat GasPEN460732Master Temp 250,000 BTU Heater, Elec; Dual Therm; Polymer Hdr Nat Gas460732
Model# 460733  MasterTemp 250,000 BTU Heater, Elec; Dual Therm; Polymer Hdr, PropanePEN460733MasterTemp 250,000 BTU Heater, Elec; Dual Therm; Polymer Hdr, Propane460733
Model# 460734  Master Temp 300,000 BTU Heater, Elec; Dual Therm; Polymer Hdr Nat GasPEN460734Master Temp 300,000 BTU Heater, Elec; Dual Therm; Polymer Hdr Nat Gas460734
Model# 460735  MasterTemp 300,000 BTU Heater, Elec; Dual Therm; Polymer Hdr, PropanePEN460735MasterTemp 300,000 BTU Heater, Elec; Dual Therm; Polymer Hdr, Propane460735
Model# 460736  Master Temp 400,000 BTU Heater, Elec; Dual Therm; Polymer Hdr Nat GasPEN460736Master Temp 400,000 BTU Heater, Elec; Dual Therm; Polymer Hdr Nat Gas460736
Model# 460737  MasterTemp 400,000 BTU Heater, Elec; Dual Therm; Polymer Hdr, PropanePEN460737MasterTemp 400,000 BTU Heater, Elec; Dual Therm; Polymer Hdr, Propane460737
Model# 001801F  Spa Heating Element for Raypak SpaPak 5.5 KWRPK001801FSpa Heating Element for Raypak SpaPak 5.5 KW001801F
Model# 001802F  Spa Heating Element for Raypak SpaPak 11 KWRPK001802FSpa Heating Element for Raypak SpaPak 11 KW001802F
Model# 009193  Raypak 266,000 BTU Millivolt w/Capron Headers -  Nat Gas - 2000 Ft ASLRPK009193Raypak 266,000 BTU Millivolt w/Capron Headers - Nat Gas - 2000 Ft ASL009193
Model# 009200  Raypak 206000 BTU Millivolt Propane Heater - 2000 ft ASLRPK009200Raypak 206000 BTU Millivolt Propane Heater - 2000 ft ASL009200
Model# 009201  Raypak 266000 BTU Millivolt Propane Heater - 2000 ft ASLRPK009201Raypak 266000 BTU Millivolt Propane Heater - 2000 ft ASL009201
Model# 009202  Raypak 336000 BTU Millivolt Propane Heater - 2000 ft ASLRPK009202Raypak 336000 BTU Millivolt Propane Heater - 2000 ft ASL009202
Model# 009203  Raypak 406000 BTU Millivolt Propane Heater - 2000 ft ASLRPK009203Raypak 406000 BTU Millivolt Propane Heater - 2000 ft ASL009203
Model# 009216  Raypak PR206AENC Digital Elect Ign, Capron Hdr - Nat Gas - 2000 Ft ASLRPK009216Raypak PR206AENC Digital Elect Ign, Capron Hdr - Nat Gas - 2000 Ft ASL009216
Model# 009217  Raypak PR266AENC Digital Elect Ign, Capron Hdr - Nat Gas - 2000 Ft ASLRPK009217Raypak PR266AENC Digital Elect Ign, Capron Hdr - Nat Gas - 2000 Ft ASL009217
Model# 009218  Raypak PR336AENC Digital Elect Ign, Capron Hdr - Nat Gas - 2000 Ft ASLRPK009218Raypak PR336AENC Digital Elect Ign, Capron Hdr - Nat Gas - 2000 Ft ASL009218
Model# 009219  Raypak PR406AENC Digital Elect Ign, Capron Hdr - Nat Gas - 2000 Ft ASLRPK009219Raypak PR406AENC Digital Elect Ign, Capron Hdr - Nat Gas - 2000 Ft ASL009219
Model# 009224  Raypak 206000 BTU Electronic Ignition Propane Heater - 2000 Ft ASLRPK009224Raypak 206000 BTU Electronic Ignition Propane Heater - 2000 Ft ASL009224
Model# 009225  Raypak 266000 BTU Electronic Ignition Propane Heater - 2000 Ft ASLRPK009225Raypak 266000 BTU Electronic Ignition Propane Heater - 2000 Ft ASL009225
Model# 009226  Raypak 336000 BTU Electronic Ignition Propane Heater - 2000 Ft ASLRPK009226Raypak 336000 BTU Electronic Ignition Propane Heater - 2000 Ft ASL009226
Model# 009227  Raypak 406000 BTU Electronic Ignition Propane Heater - 2000 Ft ASLRPK009227Raypak 406000 BTU Electronic Ignition Propane Heater - 2000 Ft ASL009227
Model# 009240  Raypak PR207ALENC Dual Thrm Elct Dgtl w/Cprn Hdr - Nat Gas - LO-NOXRPK009240Raypak PR207ALENC Dual Thrm Elct Dgtl w/Cprn Hdr - Nat Gas - LO-NOX009240
Model# 009241  Raypak PR267ALENC Dual Thrm Elct Dgtl w/Cprn Hdr - Nat Gas - LO-NOXRPK009241Raypak PR267ALENC Dual Thrm Elct Dgtl w/Cprn Hdr - Nat Gas - LO-NOX009241
Model# 009242  Raypak  PR337ALENC Dual Thrm Elct Dgtl w/Cprn Hdr - Nat Gas - LO-NOXRPK009242Raypak PR337ALENC Dual Thrm Elct Dgtl w/Cprn Hdr - Nat Gas - LO-NOX009242
Model# 009243  Raypak  PR407ALENC Dual Thrm Elct Dgtl w/Cprn Hdr - Nat Gas - LO-NOXRPK009243Raypak PR407ALENC Dual Thrm Elct Dgtl w/Cprn Hdr - Nat Gas - LO-NOX009243
Model# 010104  Raypak PR336AENX Digital Elect Cupro-Nickel,Capron - Nat Gas - 2000 FtRPK010104Raypak PR336AENX Digital Elect Cupro-Nickel,Capron - Nat Gas - 2000 Ft010104
Model# ELS11022  Raypak 11.0 KW SpaPak Electric Spa HeaterRPKELS11022Raypak 11.0 KW SpaPak Electric Spa HeaterELS11022
Model# ELS5522  Raypak 5.5 KW SpaPak Electric Spa HeaterRPKELS5522Raypak 5.5 KW SpaPak Electric Spa HeaterELS5522
Model# SR200LP  Sta-Rite Max-E-Therm Heater 200,000 BTU PropaneSTASR200LPSta-Rite Max-E-Therm Heater 200,000 BTU PropaneSR200LP
Model# SR200NA  Sta-Rite Max-E-Therm Heater 200,000 BTU Nat GasSTASR200NASta-Rite Max-E-Therm Heater 200,000 BTU Nat GasSR200NA
Model# SR333LP  Sta-Rite Max-E-Therm Heater 333,000 BTU PropaneSTASR333LPSta-Rite Max-E-Therm Heater 333,000 BTU PropaneSR333LP
Model# SR333NA  Sta-Rite Max-E-Therm Heater 333,000 BTU Nat GasSTASR333NASta-Rite Max-E-Therm Heater 333,000 BTU Nat GasSR333NA
Model# SR400LP  Sta-Rite Max-E-Therm Heater 400,000 BTU PropaneSTASR400LPSta-Rite Max-E-Therm Heater 400,000 BTU PropaneSR400LP
Model# SR400NA  Sta-Rite Max-E-Therm Heater 400,000 BTU Nat GasSTASR400NASta-Rite Max-E-Therm Heater 400,000 BTU Nat GasSR400NA
Model# SR400NAHD  Sta-Rite Max-E-Therm 400,000 BTU Nat Gas Gas Heater - CupronickelSTASR400NAHDSta-Rite Max-E-Therm 400,000 BTU Nat Gas Gas Heater - CupronickelSR400NAHD
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