Tub Heater Kw

Tub Heater Kw
hot tub in uk is it cheaper to turn the temp down at night and then heat it up before you use it?

it has a 1.5 kw heater and I recon it takes just over an hour to raise it by 1 degree.
I like it @ 35 degrees c . Is it cheaper just to keep it at 35 all the time or let the temp drop and then heat it up
Thanks for any answers I am trying to save the planet :-)

no, costs you more and uses more energy trying to reheat the water, leave it on one temp.

Hoover Keymatic 3226 Washing Machine 1964

NEW HAYWARD CSPAXI11 Electric Spa Hot Tub Heater 11 KW
NEW HAYWARD CSPAXI11 Electric Spa Hot Tub Heater 11 KW
$458.95
Baker-Hydro 6kw Heater Element for Pool Spa Hot Tub 25-2477 9135-32X
Baker-Hydro 6kw Heater Element for Pool Spa Hot Tub 25-2477 9135-32X
$99.29
Balboa water group® hot tub & WHIRLPOOL BATH HEATER 1kW + pressure switch 50069
Balboa water group® hot tub & WHIRLPOOL BATH HEATER 1kW + pressure switch 50069
$219.99
Balboa water group® hot tub spa HEATER 5.5kW for M1/M2/M3 system PN: 50096
Balboa water group® hot tub spa HEATER 5.5kW for M1/M2/M3 system PN: 50096
$214.99
Beachcomber hot tub OEM Balboa HEATER 5.5kW PN 58010
Beachcomber hot tub OEM Balboa HEATER 5.5kW PN 58010
$214.99
Spa hot tub Heater ELEMENT 4kW Bow Tie Nut & Bolt M7
Spa hot tub Heater ELEMENT 4kW Bow Tie Nut & Bolt M7
$39.99
Spa hot tub Heater ELEMENT 5.5kW Bow Tie Nut & Bolt M7
Spa hot tub Heater ELEMENT 5.5kW Bow Tie Nut & Bolt M7
$39.99
Spa hot tub Heater ELEMENT 5.5kW Bow Tie Nut & Bolt M7
Spa hot tub Heater ELEMENT 5.5kW Bow Tie Nut & Bolt M7
$49.99
Spa hot tub Heater ELEMENT 4kW Teflon Coated BowTie Nut
Spa hot tub Heater ELEMENT 4kW Teflon Coated BowTie Nut
$49.99
Spa hot tub Heater ELEMENT 5.5kW TITANIUM Bow Tie Nut
Spa hot tub Heater ELEMENT 5.5kW TITANIUM Bow Tie Nut
$59.99
Spa hot tub Heater ELEMENT 4kW TITANIUM Bow Tie Nut
Spa hot tub Heater ELEMENT 4kW TITANIUM Bow Tie Nut
$59.99
Hot Tub or Spa Heater Element 5.5KW 25-3016  47-555-2020
Hot Tub or Spa Heater Element 5.5KW 25-3016 47-555-2020
$79.95
Raypak Spa-Pak 11KW ELS 1102-2 Electric 240 Volt Spa & Hot Tub Heater 001640
Raypak Spa-Pak 11KW ELS 1102-2 Electric 240 Volt Spa & Hot Tub Heater 001640
$519.00
Raypak Spa-Pak 5.5KW ELS 552-2 Electric 240 Volt Spa & Hot Tub Heater 001642
Raypak Spa-Pak 5.5KW ELS 552-2 Electric 240 Volt Spa & Hot Tub Heater 001642
$489.00
Hot Tub Spa Heater Element 240v 5.5KW Kawai 0909 S1650582
Hot Tub Spa Heater Element 240v 5.5KW Kawai 0909 S1650582
$49.90
Cal Spas Flow Through Hot Tub Heater Assembly 5.5 kW
Cal Spas Flow Through Hot Tub Heater Assembly 5.5 kW
$99.95
Hot Tub Spa Flow Through Heater Element - Long Life Coated - Wattage Choice
Hot Tub Spa Flow Through Heater Element – Long Life Coated – Wattage Choice
$29.95
Hot Tub Spa Flow Through Heater Element - Long Life Coated - Wattage Choice
Hot Tub Spa Flow Through Heater Element – Long Life Coated – Wattage Choice
$29.95
Hot Tub Spa Flow Through Heater Element - Long Life Coated - Wattage Choice
Hot Tub Spa Flow Through Heater Element – Long Life Coated – Wattage Choice
$29.95
Hot Tub Spa Heater Assy Replacement for Balboa M7 M-7
Hot Tub Spa Heater Assy Replacement for Balboa M7 M-7
$79.95
Hot Tub Spa Heater Assy Replacement for Balboa M7 M-7
Hot Tub Spa Heater Assy Replacement for Balboa M7 M-7
$79.95
Hot Tub Spa Heater Element 5
Hot Tub Spa Heater Element 5″x 5″ Flange Plate 5.5kW
$48.95
Hot Tub Spa Heater Element Flo Thru - Choice of Wattage
Hot Tub Spa Heater Element Flo Thru – Choice of Wattage
$19.95
Hot Tub Spa Heater Element Flo Thru - Choice of Wattage
Hot Tub Spa Heater Element Flo Thru – Choice of Wattage
$19.95
Hot Tub Spa Heater Element Flo Thru - Choice of Wattage
Hot Tub Spa Heater Element Flo Thru – Choice of Wattage
$19.95
Hot Tub Spa Universal Flo Heater Assembly - Stainless
Hot Tub Spa Universal Flo Heater Assembly – Stainless
$59.95
Hot Tub Spa Universal Flo Heater Assembly - Stainless
Hot Tub Spa Universal Flo Heater Assembly – Stainless
$59.95
Hot Tub Spa Universal Flo Heater Assembly - Stainless
Hot Tub Spa Universal Flo Heater Assembly – Stainless
$59.95
Spa Builders hot tub HEATER assy. 4kW for LX-10 & AP-4
Spa Builders hot tub HEATER assy. 4kW for LX-10 & AP-4
$134.99
Spa hot tub complete Heater assy. 4 kW Heat.wav Gecko
Spa hot tub complete Heater assy. 4 kW Heat.wav Gecko
$149.99
Jacuzzi Spa Heater R743000 w/ Foam Insulation Vertical Low Flow 5.5kW Hot Tub
Jacuzzi Spa Heater R743000 w/ Foam Insulation Vertical Low Flow 5.5kW Hot Tub
$184.95
Spa hot tub Heater ELEMENT 240V/5.5kW for Comfortzone
Spa hot tub Heater ELEMENT 240V/5.5kW for Comfortzone
$39.99
Aquatemp 5.5kw Tefel Replacement Hot Tub Heater Element
Aquatemp 5.5kw Tefel Replacement Hot Tub Heater Element
$67.95
Heater hot tub spa ELEMENT 240V/4kw SIDE MOUNT coil
Heater hot tub spa ELEMENT 240V/4kw SIDE MOUNT coil
$69.99
Spa hot tub Heater assy. 4 kW Heat.wav Gecko spa heater
Spa hot tub Heater assy. 4 kW Heat.wav Gecko spa heater
$129.99
Spa hot tub universal Flow Thru HEATER 5.5kW ADJUSTABLE
Spa hot tub universal Flow Thru HEATER 5.5kW ADJUSTABLE
$124.99
Spa Hot Tub Flow Through Heater Gecko S-Class 4.0KW C2400-0800ET-S2 2-00-7001
Spa Hot Tub Flow Through Heater Gecko S-Class 4.0KW C2400-0800ET-S2 2-00-7001
$129.60
Spa Hot Tub Flow Through Heater Gecko M-Class 4.0KW 220V C2400-0601-2
Spa Hot Tub Flow Through Heater Gecko M-Class 4.0KW 220V C2400-0601-2
$129.60
Spa Hot Tub Immertion Heater 6KW Immertion 35-16-00141
Spa Hot Tub Immertion Heater 6KW Immertion 35-16-00141
$299.00
Hayward 11kw Electric Spa Hot Tub Heater CSPAXI11
Hayward 11kw Electric Spa Hot Tub Heater CSPAXI11
$460.00

Ecosmart ECO 27 27 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology
Ecosmart ECO 27 27 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology
$469.39
Configured for cold climates or high flow rates. Well suited where incoming water temperature can drop below 45 F. For use in more demanding water usage applications. Self modulating flow sensor technology regulates the amount of energy required to heat the water needed. Digital temperature display showing the outlet water temperature setting. Uses (3) 9 KW standard Emerson electric heating elemen…
Bosch GL6 Ariston 6-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater
Bosch GL6 Ariston 6-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater
$204.00
The Ariston 6-gallon point-of-use electric mini-tank water heater eliminates the wait time for hot water to come from one or two sink faucets. You can install the heater independently or in-line with a larger water-heating source. You need no hard wiring to power your unit; simply plug it into any standard outlet and this heater’s ready to go. The glass-lined tank ensures long life, and the superi…
Balboa Spa Heater Assembly 5.5Kw w/ Sensor & Pressure Switch Value / LE System 58019
Balboa Spa Heater Assembly 5.5Kw w/ Sensor & Pressure Switch Value / LE System 58019
$145.99
Balboa Spa SUV M-7 System 1.4/5.5Kw 120/240v w/Cords 52531 HC3
Balboa Spa SUV M-7 System 1.4/5.5Kw 120/240v w/Cords 52531 HC3
$522.85
The SUV system has all the programming features as the 2000 Value system except that it is available only with the Balboa M-7 technology. The SUV system is priced lower due to some unique features. First, the control box width has been reduced to 10″ to allow external access to the M-7 sensors. Second, the equipment now plugs directly into the circuit board, eliminating potentially troublesome con…
Jacuzzi T632000 SteamPro 120 Instant Steam Generator
Jacuzzi T632000 SteamPro 120 Instant Steam Generator
$980.00
Jacuzzi T632000 STEAMPRO GEN 120 2KW (STAND ALONE),…
SUV Power System 1.0Hp 1.0/4.0Kw 120/240v
SUV Power System 1.0Hp 1.0/4.0Kw 120/240v
$1,361.98
SUV (Super Value) Power System This power system is supplied as a convertible 120/240v system with a 1.0 Hp 120v 2-speed pump and a 1.0 Hp 120v air blower. This system may be ordered with a 1.0/4.0kW heater or with a 1.4/5.5kW heater. Spa-side panel sold separately This system can operate: 120/240v 2-speed pump 120/240v blower 1.0/5/5kW heater 120/240v ozone generator 12v spa light 120v fiber opti…