evohome - What shedule do you use ?

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  • nigethechap
    Automated Home Jr Member
    • Jan 2018
    • 12

    evohome - What shedule do you use ?

    Hi All

    This is my first week of eveohome, so just trying to get my head around things.
    What temp do you have in the rooms when you aren't in the house ?
    Do you heat all rooms (even none used spare rooms) for a small period each day ?

    I have my lounge on at 06:30 -> 08:20 @ 17 degrees, then off down to 14, 12:00 -> :13:00 @ 16 degrees, then down to 14degrees, then from 18:00 - 22:00 @ 16degrees.
    Does this look excessive in any way ?

    Many thanks
  • mylesm
    Automated Home Guru
    • Nov 2015
    • 153

    #2
    Originally posted by nigethechap View Post
    Hi All

    This is my first week of eveohome, so just trying to get my head around things.
    What temp do you have in the rooms when you aren't in the house ?
    Do you heat all rooms (even none used spare rooms) for a small period each day ?

    I have my lounge on at 06:30 -> 08:20 @ 17 degrees, then off down to 14, 12:00 -> :13:00 @ 16 degrees, then down to 14degrees, then from 18:00 - 22:00 @ 16degrees.
    Does this look excessive in any way ?

    Many thanks
    So the Warmest you have your Lounge is 17c I have mine at 21c I would find 17c very cool

    Comment

    • nigethechap
      Automated Home Jr Member
      • Jan 2018
      • 12

      #3
      Originally posted by mylesm View Post
      So the Warmest you have your Lounge is 17c I have mine at 21c I would find 17c very cool
      We have a wood burning stove in the lounge. I'm just worried i'm over using the heating.
      What do you guys think to this schedule ?

      IMG_0451.jpg

      Comment

      • mylesm
        Automated Home Guru
        • Nov 2015
        • 153

        #4
        [QUOTE=nigethechap;36712]We have a wood burning stove in the lounge. I'm just worried i'm over using the heating.
        What do you guys think to this schedule ?

        Oh well that's totally different I replied that 17c was cool as you made no mention of supplementary heating in Lounge

        Comment

        • chrisgare
          Automated Home Guru
          • Dec 2013
          • 182

          #5
          My comments:

          Before Evohome I used to have heating on twice a day, but Evohome saves so much gas I now have it on continuous from 07:00 to 22:00 so leave it on all day unless you are out to work.

          You must have a very cold house indeed! I have my downstairs temperature set to 21 degrees all day.

          I put master bedroom down to 5 degrees after 10:00 and heat it to 17 degrees at 19:00.

          I have a wood stove in my living room that heats it to 23 degrees when it is going. but the room is set to 21 degrees for day times and increase it to 22 degrees at 17:00. If the wood stove is going the radiators are off anyway.

          Unused bedrooms are set to 5 degrees.

          I couldn't live work in a house set to 14 degrees during the day - Evohome is allows you to have a comfortable temperature while keeping a reasonable gas bill.

          Comment

          • nigethechap
            Automated Home Jr Member
            • Jan 2018
            • 12

            #6
            Originally posted by chrisgare View Post
            My comments:

            Before Evohome I used to have heating on twice a day, but Evohome saves so much gas I now have it on continuous from 07:00 to 22:00 so leave it on all day unless you are out to work.

            You must have a very cold house indeed! I have my downstairs temperature set to 21 degrees all day.

            I put master bedroom down to 5 degrees after 10:00 and heat it to 17 degrees at 19:00.

            I have a wood stove in my living room that heats it to 23 degrees when it is going. but the room is set to 21 degrees for day times and increase it to 22 degrees at 17:00. If the wood stove is going the radiators are off anyway.

            Unused bedrooms are set to 5 degrees.

            I couldn't live work in a house set to 14 degrees during the day - Evohome is allows you to have a comfortable temperature while keeping a reasonable gas bill.
            Can you advise roughly how much gas you use with that setting, on a say a weekly basis ? As i say, just trying to find the balance between warmth / cost.
            I've just started a tracking spreadsheet which i'll use for the next few weeks, whilst i get a feel for costs etc....

            Comment

            • chrisgare
              Automated Home Guru
              • Dec 2013
              • 182

              #7
              Originally posted by nigethechap View Post
              Can you advise roughly how much gas you use with that setting, on a say a weekly basis ? As i say, just trying to find the balance between warmth / cost.
              I've just started a tracking spreadsheet which i'll use for the next few weeks, whilst i get a feel for costs etc....
              I have a large house with 12 zones but here is my gas usage thius year:

              temp.jpg

              Comment

              • HenGus
                Automated Home Legend
                • May 2014
                • 1001

                #8
                I had a new boiler installed earlier this year which is connected via Opentherm to an existing Evohome 12 zone system. I live in a 5 bed home. The rooms in use at set to 20C and the rooms not in use to 13C. The heating system is planned to optimum start for 7.30am and optimum stop by 10.30pm. I monitor my gas usage in 15 minute blocks which has shown that the greatest efficiency is achieved by NOT fiddling with the schedule AND by leaving set temperatures throughout the day. Unless I am leaving the house for more than 4 hours, I no longer use Economy as the amount of gas used to get the house back up to temperature is greater than the gas saved. My gas usage since the 1st February has been as follows:

                44.9
                49.4
                52.7
                57.2
                57.2
                66.2
                65.1
                56.1 kWhs

                Somewhere between £1.50 and £2 per day.

                Comment

                • rotor
                  Automated Home Guru
                  • Aug 2015
                  • 124

                  #9
                  Originally posted by HenGus View Post
                  44.9
                  49.4
                  52.7
                  57.2
                  57.2
                  66.2
                  65.1
                  56.1 kWhs

                  Somewhere between £1.50 and £2 per day.
                  Wow, I'm shocked how good your figures are, or how bad mine are:

                  129.83
                  129.91
                  130.13
                  147.33
                  147.33
                  129.70
                  157.93
                  131.01

                  Between £4.50 and £5.50 per day!

                  Also a 5 bedroom house. We don't close any doors so I'm wondering if that would make much of a difference. Is your house super well insulated? My boiler is around ten years old. Time for a new boiler? I could be saving £200-300 a year if I had your figures!

                  Comment

                  • DBMandrake
                    Automated Home Legend
                    • Sep 2014
                    • 2361

                    #10
                    Originally posted by rotor View Post
                    Wow, I'm shocked how good your figures are, or how bad mine are:

                    129.83
                    129.91
                    130.13
                    147.33
                    147.33
                    129.70
                    157.93
                    131.01
                    Your figures are about the same or a little less than ours...

                    Lots of factors in ours - old boiler, old house with poor insulation, (no under floor or loft insulation, main walls are done though) heavy internal walls with a lot of thermal mass to heat up each day - drafts in a couple of places that need sorting but need quite a bit of work to fix... It all adds up!

                    Comment

                    • HenGus
                      Automated Home Legend
                      • May 2014
                      • 1001

                      #11
                      Yes, the new boiler most certainly has made a big difference in terms of usage. My usage in 2016 - with Evohome - was 11175 kWhs on an old Classic Ideal boiler. In 2017, usage fell to 8500kWhs. The new boiler was installed in the first week of April. A part of that saving is the lack of a boiler pilot light. To achieve the usage level that I am getting, I believe that it is important to maximise the efficiency of the boiler. For example, my worst performing zone comprises three HR92s in the hall/landing/stairs area. This is the first zone on in the morning and the quickest to lose heat. It follows that if I am out of the home for, say, 2 hours and use Economy mode this zone will drive the maximum boiler flow temperature of the boiler which is 70C. The boiler will operate at 70C until the troublesome zone is within the set temperature range. The boiler flow temperature then falls, and the boiler then quickly gets into condensing mode. Arguably, this is one of the most annoying features of Evohome. A single zone heat demand drives the flow temperature which is why we never play with set temperatures. If we need more heat in any given zone, then I do it in 1C increments to maintain boiler efficiency.

                      At the moment, I am considering whether I could achieve an even lower usage figure by removing the HR92s and re-fitting standard TRV heads to the hall/stairs/landing area.

                      Comment

                      • dty
                        Automated Home Ninja
                        • Aug 2016
                        • 489

                        #12
                        Originally posted by rotor View Post
                        Wow, I'm shocked how good your figures are, or how bad mine are:

                        129.83
                        129.91
                        130.13
                        147.33
                        147.33
                        129.70
                        157.93
                        131.01

                        Between £4.50 and £5.50 per day!
                        Wow, I'm shocked at how good your figures are, or how bad mine are:

                        249.11
                        241.01
                        241.92
                        256.37
                        267.68
                        274.03
                        263.24
                        270.46

                        £7 - £8 a day!

                        In better news, my gas tariff appears to be about 15% cheaper than yours!
                        Last edited by dty; 9 February 2018, 11:50 AM.

                        Comment

                        • dty
                          Automated Home Ninja
                          • Aug 2016
                          • 489

                          #13
                          Originally posted by HenGus View Post
                          At the moment, I am considering whether I could achieve an even lower usage figure by removing the HR92s and re-fitting standard TRV heads to the hall/stairs/landing area.
                          Or the Pegler iTemp i30s which I've just fitted. Like regular TRVs, but digital instead of wax balls, and with schedules so you can do nighttime setback, etc. £18 each, or 4 for the price of 3 from the supplier I found.

                          Comment

                          • DBMandrake
                            Automated Home Legend
                            • Sep 2014
                            • 2361

                            #14
                            Originally posted by dty View Post
                            Wow, I'm shocked at how good your figures are, or how bad mine are:

                            249.11
                            241.01
                            241.92
                            256.37
                            267.68
                            274.03
                            263.24
                            270.46
                            Ah, now I feel better, that is dramatically higher than our usage.

                            You just made my day.

                            Comment

                            • rotor
                              Automated Home Guru
                              • Aug 2015
                              • 124

                              #15
                              Originally posted by dty View Post
                              £7 - £8 a day!

                              In better news, my gas tariff appears to be about 15% cheaper than yours!
                              Wow! Much bigger house?

                              Comment

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