040 HPM 0415

HPM April 2015

SPECIALREPORT&COMPETITION WWW.HPMMAG.COM Got a story? Ring us on 01732 748041 or e-mail twood@unity-media.com TPI can help grow your business More advanced and sophisticated heating controls have TPI - or Time Proportional Integral Control – which uses past information to alter the on/off pattern, varying the length of heating periods to maintain the temperature set point for longer. Honeywell’s Andy Mansfield explains what TPI is and why it’s the perfect tool to upsell... TPI provides both additional comfort for the homeowner and, following recent research carried out by BEAMA, heating engineers can now show that customers can save even more on their heating bills. So, it’s time the installer started talking more about it and using TPI to grow their business. Put simply, where a homeowner is concerned, TPI makes sure their boiler fires for the shortest possible time to reach and maintain the desired temperature. Modern thermostats have in-built memories and basic calculation tools included in their software so they can learn about the room’s temperature and work out how long the boiler needs to fire for, whenever the temperature falls more than 1.5°C below the set point. This ‘smart’ firing of the boiler means it is fired for just long enough to reach the set temperature and no longer, meaning no wasted heat or energy, reduced demand on the boiler and no unnecessary fuel bills. When the room set point is reached, the boiler is fired for short periods in order to maintain the temperature - at which point, the thermostat is calculating the rate at which the room is losing heat and topping up with the precise amount required to counteract it. The thermostat then learns the room’s heat loss characteristics over the first week of operation and becomes even more accurate. TEMPERATURE FLUCTUATIONS So why is this different to non TPI thermostats? In non TPI thermostats, usually older models, the boiler will continually fire until it gets past the set point and then again when the temperature drops to a specified amount below the set point. This creates greater temperature fluctuations, resulting in an inconsistent heating pattern. TPI is a marked difference which means more control for the homeowner over both their comfort and bills. Proven in physical tests by BEAMA to save an additional 13% per year in running costs when combined with thermostatic radiator valves WINWINWINWINWINWINWINWINWINWINWINWINWINWINWINWINWINWINWINWI YOUR CHANCE TO WIN courtesy of Wirquin... Wirquin is offering HPM readers the chance to win one of five Toilet Repair Kits, each including a Macdee Motion Dual Flush Siphon (pictured), a Macdee Jollyflex Pan Connector and Celmac Emerald Toilet Seat with top fix chrome plate hinge. | The multi award-winning Macdee Motion universal dual flush siphon is the only siphon you will need in your van to quickly and easily fit all known lever-operated cisterns, thanks to its compact design and wide range of adjustable features. Until September 2015, with every purchase of the Motion that comes in a promotional box, you could win a VIP Rugby World Cup package, including a pair of finals tickets and accommodation worth £2,700. Celmac Wirquin is celebrating its 125th anniversary this year. Celmac is world renowned for offering a wide range of toilet seats, two of which are the BS1254 Type 1 (Sonata) and BS1254 Type 2 (Emerald). Ideal for high traffic areas, the unbreakable thermoplastic Emerald seat is specified by architects and local authorities and comes with a two-year guarantee. The Jollyflex range of flexible and extendable pan connectors is cleverly designed Win one of five Toilet Repair Kits, to make installation easier and faster. They eliminate the need to use two different solid pipes to make a joint and negates the need to cut rigid pipes. Wirquin also offers a wide product range of flushing mechanisms, cisterns, frames, wetrooms, traps and wastes. For more information visit: www.wirquin.co.uk For your chance to win, answer the following: Celmac Wirquin is celebrating what anniversary this year? A) 100 years B) 125 years To enter, simply note the enquiry number below on the enquiry card at the back of the magazine and FREEPOST back to us. All entries must be sent in to HPM by April 30, 2015. Answer A 131 Answer B 132 40 APRIL 2015 HEATING & PLUMBING MONTHLY compared to a conventional room thermostat; overall savings of 53% can be achieved by using TPI. What’s not to like? It’s time to educate the homeowner on what TPI means and how it enables them to control their heating to suit their lifestyles and not the other way around. And use it as a tool to grow your business. So, talking about upgrading to a full set of smart heating controls is a must. Performing a survey is the most important time you spend on the premises as an installer, so make the most of it. Don’t make assumptions, check the existing installation thoroughly and ask the homeowner questions about their lifestyle. Most importantly, fit controls that work for your customer which will add value by delivering real benefits and savings. While a quarter of homes in the UK are still without a full set of heating controls, there is a whole market to capitalise on. So, it’s time to talk TPI. enquiry number 130


HPM April 2015
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