Vaillant - Renewables Range

Transcription

1 Vaillant - Renewables Range Presentation Kevin O Leary Technical Sales Development Manager Bristol 19 th October 2011

2 Renewables Range 2011 Air to Air Heat Pumps recovair / MVHR Flat plate solar system Vacuum Tube Solar collectors Air to Water Heat Pumps Vaillant system solutions Ground Source Heat Pumps 2

3 Get the basics right Insulation, Insulation, Insulation Good System Control Weather Compensation Zoning Accurate Calculation Of Heat Requirements Ask for assistance Assess first so that you can make informed decisions 3

4 Estimated running costs Base for calculation: 120Msq semi-detached house with an annual usage of 14900kW costs taken from energy saving trust website June

5 Estimated annual Carbon emissions Base for calculation: 120Msq semi-detached house with an annual usage of 14900kW emissions taken from energy saving trust website June

6 Vaillant s Heat Pump Range 6

7 Heat pumps a change in the culture of heating We all have heat pumps in our homes! The fridge How often do you adjust the temperature in your fridge? How often do you turn your fridge on and off? To get the best performance and maximum efficiency from a heat pump turn it on, set the required temperature and let the intelligent controls do the rest For maximum efficiency your heat pump needs to run for longer period of time at a low rate. Matched to the heat requirement of the property The amount of time your heating system runs may increase but so will the system efficiency 7

8 What is the Peak Heat loss of a property All heating designs use 2 reference points indoor temp, and minimum outdoor temperature for which the heating will be required (usually 20 C, and -3 C) -3ºC 20.0ºC This is the amount of energy needed to maintain 20 C inside at the coldest outdoor conditions and depends on the property in question Some rules of thumb: New build house, built to current building regs 40 watts/sq metre New build house, built to 2006 regs 50 watts/sq metre Post 1990 s house with cavity wall and loft insulation 80 watts/sq.metre home with good insulation levels 100 watts/sq metre These rules of thumb will give a rough indication as to the energy required at peak times (ie -3 C) 8

9 General Installation Considerations Heat Loss Accurate calculation of the heat loss for the property is essential for any Heat Pump installation be it air source or ground source. Reduce the energy requirements before installing a Heat Pump Cavity walls, loft insulation, double glazing, draft proofing Under-sizing will mean at times the Heat Pump will not meet the heating requirement. Correct sizing can only be achieved with a full heatloss calculation 9

10 Heat pump efficiency Coefficient of performance (CoP) Free heat from external air Heat pump efficiency is stated as the Coefficient of Performance (COP) Heat output (kw) COP = Power consumed (kw) 3kW 1kW 4kW Electrical power Heat into heating system In the example above the COP = 4/1 = 4 (i.e. 400% efficient) so you get 4kW of heat for 1 kw of electrical power consumed 10

11 COP Air to water heat pump performance COP ºC 35ºC 40ºC 45ºC 50ºC Outside temperature Typically electricity is 3x more expensive than gas It follows therefore that if a heat pump were to be 3x more efficient than a boiler the running costs per kw would be the same So when heat pump COP is 2.7 (boiler at 0.9) costs are equal and when below 2.7 the boiler is actually less expensive to run At lower ambient temperatures and at peak electricity rates an AWHP can actually cost more to run than a high efficiency gas boiler It is essential to ensure that air to water heat pumps are applied correctly 11

12 General Install Considerations Heat emitters Underfloor heating Runs at low flow temperatures for long periods of time which is ideal for heatpump systems. However they are slow to react and not suitable for all installations. Panel Radiators Wet radiator heating systems traditionally run at high flow temperatures for short busts of heating which is unsuitable for heat pump systems. However if the radiators are correctly size to suit a lower flow rate and run for longer periods of time they will run efficiently with a heatpump system and are quicker to react to a heating need than an under floor system. Fan assisted radiators These are manufactured to run with a low flow temperatures and are quicker to react compared to underfloor and panel radiators However these radiators need a power supply to run the fans and are more expensive than traditional radiators Heat emitter selection and the heat pump flow temperature have a big effect on performance. Higher temperatures = Lower efficiencies 12

13 geotherm Ground Source Heat Pumps 13

14 geotherm Product overview 1-family Houses 2-family Houses Multi- Dwellings DHW Cylinder Cooling Heat pump type Heat output kw kw kw Electrical supply 230V 400V 400V geotherm exclusive geotherm * geotherm * * Optional external accessory required 14

15 geotherm Ground Source Heat Pumps Product features Weather-compensated as standard Flow temperature up to 62 C Built-in electric auxiliary (back-up) heater; Sensor-controlled sealed refrigerant circuit Environmentally friendly refrigerant R 407C (ODP - ozone depletion potential is zero) Durable scroll compressor with 10 year warranty Easy installation with all important components integrated 15

16 Heat pump for heating, DHW and cooling - geotherm exclusive Additional features: Integrated 175 litre DHW stainless steel cylinder Passive cooling supplied as standard allows summer cooling when used with under floor heating system Split mounting concept for easy installation heat pump module and hot water cylinder can be installed separately to reduce handling weight and volume 16

17 geotherm Ground Source Heat Pumps Considerations Capital Cost of Installation Space for Equipment Space for ground Array Single phase electricity 17

18 climavair air to air heat pump range Suitable for all electric properties Retro fit or new build Single and multi room solutions Includes four modes: Heating, cooling, fan circulation & De-Humidification. Includes three stage air filtration ideal for allergy sufferers: Dust: Removes small particles of dust & debris from atmosphere Anti-germ: Neutralise bacteria & germs Carbon filter: Removes smells Efficient heating Versatile room mount options Quiet operation Infra red remote control 18

19 Install Photos Ocean HA, Cornwall

20 Birmingham City Council High Rise Install

21 Bristol City Council Installation 22

22 climavair Air to Air Heat Pumps Considerations Number of Indoor Units (max 4 per system) Must be Qualified Engineers (F Gas) 23

23 geotherm air; air to water heat pump geotherm air 7kW geotherm air 12kW geotherm air 15kW 24

24 Reasons for selecting an air to water heat pump Oil and LPG price volatility is leading to an increase in interest in cost effective alternatives particularly in rural locations Eliminates need for on-site fuel storage, e.g. LPG, oil or biomass Excellent running costs compared to alternatives such as standard electric, LPG or oil Excellent carbon savings compared to Oil and LPG Less external work (and cost) compared to GSHP, Will save the end-user money compared to Oil, LPG and standard electric heating systems 25

25 The new Vaillant Air/Water monobloc heat pump System Schematic - 1 Heating Zone & Hot Water (Optional) Single channel programmer for DHW preparation AWHP Controller/ Programmable room thermostat for heating Vaillant DHW Relay Three way valve DHW priority 26

26 Specifying Air to Water Heat Pumps A number of important factors that need to be considered when specifying an air to water heat pump AWHP are not part of General Permitted Development rights, you will need to check if permission is needed Consider the possible noise nuisance of outdoor units (neighbour complaints) Maximum heating output for domestic applications is around 15kW ( 230V) Maximum output temperature is around 55ºC - 60 C Efficiency decreases with higher output temperatures and lower ambient temperatures, care must be taken when applying an AWHP to a high temp radiator system When installed as primary heat source, you need to correctly size radiators or specify UFH or fan assisted radiators Currently standard electricity is 3 times more expensive than gas, therefore a heat pump has to be 3 times more efficient before it is cheaper to operate When correctly applied air to water heat pumps can significantly reduce CO2 and energy use Get the install right and you can reap the benefits 27

27 Noise Schalldruckpegel Emission VWL db(a) S S db(a) Piharmonic Noise Reduction Function Piharmonic Nachtbetrieb Function Recommendation for domestic properties Recommendation of WHO World Health Organisation 0 2,4 m 4,35 m 7,3 m 10 13,8 15 m Minimum Abstand distance zur to Außeneinheit outdoor unit [m] [m] Without Schalldruckpegel TA-Lärm Anforderung Logarithmisch (Schalldruckpegel) With Piharmonic Installation situation: Function Permitted development level at 1 metre Vaillant s unique Piharmonic Noise Reduction Function 28

28 Design Service Good planning and strong designs are key to installing a good Air to Water Heat Pump system and meeting legislation Vaillant high quality design service can develop Heat Pump designs tailored to suit your individual site requirements Bespoke packages for social housing can be created to include more demanding standards for residents safety such as up rated mixing valvesand other system compoents Designs are provided in a personalised design booklet, including proposed design layout, schematic drawings, technical data sheets and wiring drawings State of the art CAD technology used Fully indemnified design 29

29 geotherm air Air Water Heat Pumps Considerations Available Power; Max output 15kW (9kW at -5C) Existing system considerations Siting considerations 30

30 Project Support

31 Vaillant Support Services - Training & Technical Support Strong back-up services are essential for installers and specifiers in the field of renewables Experienced technical support over the phone Accredited engineers available for on the job assistance 8.30am 5.30pm. Full local support from Vaillant Sales Managers - working closely with customers to support everything needed throughout the specification and installation Nationwide spares network 30 key stockists at 450 locations around the UK 32

32 Vaillant Support Services Product Training Vaillant product training is available in our Centres of Excellence around the country Belper (nr Derby) Cambridge Elland (nr Leeds) Bristol Slough Edinburgh Hands on training delivered by experienced trainers in bespoke training facilities MCS accreditation training and support In-depth and accredited training on G3 unvented cylinders BPEC in solar thermal and GSHP, CPA1 combustion analysis Marketing leading training for market leading products 33

33 Vaillant Support Services - Renewables Exhibition Vehicle Mobile trailer for staff and tenant information events The vehicle contains detailed information on the Vaillant renewables offering, including solar thermal, ground source heat pumps, air to water heat pumps and air to air heat pumps 34

34 Vaillant Support Services - System Selection tools Demystifying our heat pumps Pocket estimating guides for installers, which guide customers through the process of choosing the correct Vaillant product for a property 35

35 Vaillant Support Services - Renewables Calculators Calculators available on the Vaillant website allowing easy calculation and purchase considerations for renewable products We will have calculators for the following products Solar GSHP AWHP RHI Outlines considerations when purchasing solar and delivers one solution at the outcome stage These calculators are being developed and will be available in July 36

36 Why Vaillant? Vaillant over 135 years experience in Heating and Hot water, Product and Services renowned for excellent quality and reliability Marketing leading understanding of the complete heating systems With our range of renewable products which already include Solar Thermal, Ground Source Heat Pumps, Air to Air heat pumps and MVHR Vaillant offer the Total System Solution We create products and support systems to meet the needs of end-user comfort not just the theory of what the property needs. All supported with a practical, flexible service designed to support installers, specifiers, social housing providers, merchants and homeowners with clear product, market and business advice Because Vaillant Thinks ahead 37

37 Questions & Answers

38 Thank you for your attention! 39