We can use the combined boiler or an accumulation


We can use the combined boiler or an accumulation tank with a copper flow heater to heat up hot service water (see the price list). Read on to learn about alternative drain cleaners. We have investigated this as a matter of urgency and have spoken with kn to offer a full apology we set high standards of customer service and overwhelmingly we get things right. We work to the latest standards in derby, whatever the type of repair employed, you’re in safe hands. If any of these tests show a fault, the engineer should inform you of any additional costs that the repairs will incur it is widely recommended that the parts are only replaced with those also made by the manufacturer of the boiler, to ensure that they’re compatible. Your home is unique so to get the right size, type and make of boiler to heat it, you really need someone who knows their blast pipe from their check valve our friendly and reliable heating experts are just the ticket they’ll come to your home, for free, match you with the right boiler for your needs and leave you with a quote. Fast, reliable, and professional service. Gives the ability to automatically generate and serve an http api from r functions using the annotations in the r documentation around your functions. There is absolutely no need of dealing with several repair companies when you can get everything in one place we can do it all – boiler repair, boiler mact compliance, boiler tune-up, emissions testing and much more! Note: each boiler care plan only applies to a single boiler any additional boilers would need to be looked after by a separate plan. Should you have any specific requests, we can usually source most makes and models at a highly competitive price, which you won’t find anywhere else. Grogan burners is based in ballyda, danesfort, co kilkenny we serve kilkenny city and the surrounding counties in the leinster region started over 40 years ago by milo grogan, his son michael now runs the business, after setting up the limited company in 2007 we take pride in our service and many of our customers have been with us for years - we like to keep people loyal! Blocked or broken stroud drains. An engineer will need to check. We can supply a range of other top grade tanks so please call anytime for a chat ! The slimjim is a fully controllable electric flow boiler which is designed to maximise cupboard space the boiler also has an easy-fit front cover for future maintenance purposes. Once the cctv drain survey has been undertaken, the condition of the drains can then be documented by the party wall surveyors ensuring there is no confusion or misunderstanding to their condition both during or post works and importantly ensures that the building owner isn’t held liable for costly drainage repairs if they were in a poor state before the construction works commenced. Cleaver-brooks sales and service offers successful companies from texas to illinois a single source for new equipment sales for boilers, burners, controls, exhaust solutions, water systems, heat recovery and parts and service we also have a large inventory of refurbished boilers and aftermarket products including tubes and replacement parts for all makes and models of boilers. The root of the problem comes from the boiler overheating the. Or £8.50 monthly direct debit) plus £50 excess for each callout (no boiler service included). Potentially significant hazards to health or the environment or poor ingredient disclosure. Więcej informacji można uzyskać w językach. Check your oil boiler--there should be a name plate somewhere on the front to indicate the output in btu/hour---say, 68,000 btu/hour. Keep your boiler clean by wiping the case with a soft, damp cloth and then drying it. If your pressure gauge has dropped to 0-bar, that doesn’t necessarily mean it’s faulty; that’s just as good an indication of a leak, as a faulty pressure gauge. Hot water heater went out and after calling around i got my best price and fastest service from lifeline, the did a great job and it was fast too second time i've used them, they are my go-to plumbers. These chemical drain openers react with water to release gasses which may be hazardous to human health inhaling such gasses may leave you at the risk of skin burn, visual loss, and respiratory problems some people have reported burning sensations after using chemical drain cleaners. We offer free quotes for boiler repair in manchester you can phone one of our team and get an over the telephone estimate, or we can come round at your convenience and give an accurate quotation with no obligation. There are two main types of condensing gas boiler to consider. We know the last thing you want this summer is the hassle of a blocked drain, so if your drains start to smell or clog up, then the powerful, thick, clinging formula of our ready to use drain unblocker is more than up to the task jeyes drain unblocker. We can offer you reasonable prices which are very competitive, and our estimates are reliable and precise. I'll have to think that one over for awhile a very informative blog, as usual, and voted up! A cctv survey causes minimal disruption to the area around the drain because there is no guess work involved, any digging up needed to be done will only be in the affected area at drainfix services limited all the work is done by the camera no large costly and disruptive excavations needed. In case one intends to purchase a residence, getting to know the conditions of the drains before paying for it will give you peace of mind and avoid future drain repair costs in case there are problems with the drains, one can get the price of the property reduced to be on the safe side, drain survey using the closed circuit television cameras should be part of the drain maintenance to be carried out on commercial premises this will enable them to avoid unexpected drain problems. Ableforce services is a registered company in england. Use this to explicitly override general opening hours brought in scope by. Further to this, if your gas run is out of date or needs to be updated, this will obviously take extra time. We aim to answer all questions as soon as possible - often within a few hours! although please bear in mind that during busier periods it may take up to 48 hours to receive a response we look forward to hearing from you. You can't take your current boiler care product with you however if you call us we can easily arrange to set up a new plan for one of our boiler care products at your new home please contact us on 0800 001 5214, (lines open monday to friday 8am - 8pm, saturday 8am - 5pm). Elec boiler output is in kilowatts---1 kw = 3400 btu/hr---thus a 20 kw elec boiler = 68,000 btu/hr oil-fired boiler---a 30 kw elec boiler = 102,000 btu/hr oil-fired boiler. Combi boiler prices remind me a little of airline tickets when you start the process of searching, the price initially looks great – but by the time you're finished adding the extras, your credit card isn’t looking too healthy. The hybrid heat pump is seen as a good option for the existing built environment in order to achieve significant co. However, combi boilers, including the condensing variety, still tend to suffer from a delay until the warm water reaches the tap if the hot water tap is a long pipe's length away from the boiler, there is little you can do but some. If you desire access to your own personal information, to correct existing personal information, or to remove your personal information, please contact us at. The responsibility for the clearance of private sewers rests with the occupiers upstream of the blockage the responsibility for maintenance of private sewers rests with the property owners upstream of the defect if the waste from your house flows though a private sewer then you are partly responsible for it (as are all the other households sharing this pipe). Our technicians are north american technician excellence (nate) certified. Since 1947, super hot boilers have been known for their durability, ease of installation, and minimal maintenance allied engineering is proud to be a canadian manufacturer with a complete line of hydronic heating products including residential boilers, commercial boilers, indirect water heaters, stainless steel storage tanks, and heat exchangers. Improving your home's energy efficiency with energy star can help to lower high energy bills, improve comfort and reduce greenhouse gas emissions learn about the many ways to save in your home and track your progress with "my energy star" - your new dashboard to savings. If a pipe suddenly bursts, or your basement floods, you don’t want to waste time calling a plumber that won’t show up for days in a plumbing crisis, you need reliable emergency plumbing service on your side that’s why radiant plumbing is here for you – 24 hours a day, 7 days a week – for all your plumbing emergency needs. It’s such a relief to be able to call upon you in a crisis, and i’ll have no hesitation whatsoever in recommending you. The cost of a new boiler installation varies greatly depending upon your circumstances and which boiler you want to go for in this section we've explained some of the factors that go into determining the price of your. There will be same day cancellation fees, however; if an appointment is cancelled with less than 24 hours notice that fee is a flat one time fee per scheduled occurrence. Mattira cuenta con una pantalla digital intuitiva y fácil de usar la pantalla digital muestra constantemente la temperatura del agua del circuito de calefacción y la temperatura del depósito de agua caliente sanitaria (acs) en las calderas mixtas. Oftec establishes the standards for competence within the domestic oil heating and cooking industry by ensuring the quality of people and businesses working in this area, oftec maintains standards for reputable companies and consumers alike. Buying on finance can offer the following advantages –. In her own words she talks us through how she saved a whopping £1,200 on the cost. Please note that when you do call us at midnight that we dont just sit around waiting for a call wide awake as this can be an awkward to to come out as a 24 hour emergency boiler repair aberdeen, most of the boiler engineers in aberdeen are fast asleep and even more awkward to get hold of them between 03:00 and 04:00. At clas ohlson you can always shop securely and fast you always have a up to 90-day refund policy next day delivery available. If your boiler is in a cupboard, there must be enough room for the engineer to work (the minimum area as set out in the installation instructions) we will not accept responsibility for removing cupboards, kitchen units, trims and so on to gain access for repairs. If you’re experiencing a fault in your central heating system and need a local boiler repairman in birmingham to diagnose and fix the problem, we can be contacted 24 hours a day and will always aim to tend to your boiler as quickly as possible we understand the important role your boiler plays in your home, especially in winter, so we advise a boiler service to be carried out at least once a year our engineers provide thorough boiler services to help minimise the risk of an unexpected boiler breakdown by identifying and repairing weaknesses in the performance and safety of your boiler before it’s too late. Remove any guesswork about what’s causing your blocked drains with a cctv drain survey from the professional drainage engineers at environ property services. Having a new boiler or heating system is a significant investment to your home so it is important that your installed product is suitably protected. We’re experts at installing boilers across the uk we offer a wide variety of lpg and gas boilers to suit your home’s needs a new boiler isn’t a purchase that you make often which is why we think it’s important to know about all your options before your boiler installation. Keep a plastic carrier bag close by and you can discard any dirt or debris from the drain as you start to unblock it. Hi john, i’m a self employed joiner who renovates homes across the uk, after long and careful consideration and talking to gas engineer’s and boiler suppliers, and travelling to friends in the netherlands and germany, i decided to recommend a baxi to a customer who’s home i was renovating in 2015 they sing its praises regularly and have advised friends and family to choose one from the range, i had one installed myself at my home in 2017 and using costs compared to my old boiler is phenomenal in price of my bills, since mine has been installed, the eco tec boiler has arrived on the market and is being recommended by gas engineers and suppliers, highly recommended and a7 year warranty as standard when fitted by recommended engineers, best of luck. Find your local poundstretcher store using our store finder tool and ring ahead to check stock availability. Here at dhs, we aim to answer those questions for you, so you can have complete confidence that you are making the right decisions we want you to end up with a boiler you’ll be happy with for years to come, not one you’ll live to regret. Cup peroxide, 1/2 cup baking soda - wait 60 minutes. Benefit from our extensive local knowledge and over thirty years' experience in banbury and the surrounding areas our qualified team strive to clearly understand your requirements before advising on the right electric heating system for you. Rick’s plumbing has been a mainstay within new haven and fairfield counties since 1992 as a premier. I’m not sure of the official name of. Used occasionally plumber is one of the 30000 most commonly used words in the collins dictionary. I thanked my friend who recommended avon plumbing & heating and will certainly recommend you to anyone who needs plumbing & heating work. If you have an old inefficient boiler or if your boiler is beyond economical repair we can happily organise for a highly qualified surveyor to do a quotation for an installation of a brand new a rated efficient boiler for you t&s offer an industry leading. The general lifespan of a boiler is around 10 to 15 years while this is an average, your boiler may last longer if you take care of it well. With our selection of gas system, gas heat, or lpg (liquefied petroleum gas) boilers, we will have the right product for you if you are not quite sure which one is best for you, feel free to browse our selection, and read reviews, in order to have a better understanding otherwise, feel free to reach out to our customer support staff, who are always available at your convenience. Head lice leaving your kids scratching their heads? we've surveyed parents to find out which nit treatments work best. All our gas engineers and emergency plumbers are fully qualified with at least five years solid experience they won’t overcharge and carry most day-to-day parts in their van, so you shouldn’t have to wait around for parts to be sourced or be charged for travel to find them, unless they are specialist parts we fix now are upfront about all costs and we’ll always ensure we minimise costs for you. We check out every company we list. You will need to complete a plumbing course aimed at s/nvq level 2/3 qualification, or similar these courses are usually run by training providers, often called technical colleges. Buying boilers online is relatively simple we found a few suppliers that deliver boilers next day. Leaks, noisy pipes or a boiler that refuses to work can be frustrating to deal with instead of trying to diagnose your boiler issue on your own, contact an expert. Temperature and pressure relief valve is a core safety device required on all unvented ... Unfortunately this doesn’t mean that the installation is cheap while they may be single units that can be installed in little over two hours, each model is designed differently and a number of practical factors: size, radiator-replacement, the length of the flue required to vent waste gases and whether or not you need to remove old water tanks currently taking up space in your attic or airing cupboard this, therefore means that it could in fact take a couple of days to install your combi-boiler – that is if you are replacing a traditional boiler. Registering is free, easy, and means you can join in the discussion, watch threads, get discounts, win prizes and lots more. You will need to bring photographic id when collecting your order. With over 90% fuel conversion, the boiler achieves the highest sedbuk band 'a' rating it also comes with a two year parts and labour warranty*. We provide our services to both home owners and businesses no job is too big or too small see our. Modern new boilers are more efficient for several reasons, but their main advantage is that they are all condensing boilers all well-maintained boilers burn their fuel very efficiently, but they inevitably lose some heat in the hot gases that escape up the flue a condensing boiler has a larger heat exchanger, so it recovers more heat, sends cooler gases up the flue and is more efficient.sometimes the flue gases get so cool that the water vapour in the gas condenses out (hence the name), and even more energy is recovered from the condensing vapour. We find the best boiler for your home we install your boiler, mess-free and at a time to suit you we can even come to your home and install it within 48 hours. If you are looking for a company to carry out your emergency boiler repairs, then please call us on 01795 477 098 as soon as possible and one of our sales team will endeavour to help and get someone out to you without delay. The compact size of the baxi ecoblue+ combi means that fits easily into any home. So if you are in need of a plumber you can trust give. Free no-obligation safety survey at your home. Highly skilled teams comprising two engineers are fully equipped to undertake both. This type of system is not right for all households, however you can only use the heated water for one task at a time, so if somebody turns on a kitchen tap while the shower is running, the shower will run cold this means that larger households with more simultaneous activities going on may struggle with a combi-boiler your installation professional will be able to give you more advice about whether a combination model or heat-only appliance is best for you. For more than 10 years, billy has been a dedicated supply-chain strategist delivering quality information to his customers and offering solutions to drive actionable results to their bottom line. Here’s what other people are saying about. Whether building new or upgrading, improve your building’s energy performance and qualify for a rebate of up to $45,000 by installing a high-efficiency natural gas boiler and now, food processors, greenhouses and other commercial customers who use process heat are also eligible for rebates. Took the time to explain the problem to me. The application of vaporooter to your drainage lines can save you thousands of dollars. No heat? new boiler? no problem. Sarah heads up our dedicated gasway customer service team and they are standing by to help you. To clear the blockage in a main drain system, insert the rod fitted with the plunger into a chamber at one end of the blocked section; it does not matter which of the 2 if it is the empty chamber, you can see where the mouth of the pipe is, but if you work from the full chamber, you will have to probe with the plunger until you find the mouth. Hi and welcome i am gas safe registered/corgi heating/gas engineer my previous work experience includes working for gloucester city council ph jones (part of british gas) i am also a sub contractor for leading insurance companies working as break. And we’ll send out a professional who can inspect your current system and offer a fair quote. Asap plumbing came out over 4th of july weekend for an emergency job for our water heater that started leaking prompt professional service will definitely use in the future. Since your boiler’s primary function is to heat water and heated water corrodes metal faster than cool water, leaks caused by corrosion are very common many parts of your boiler are susceptible to corrosion both inside the boiler itself and in the valves and pipes that lead to and from it. Gas safe registered heating engineers can contact baxi genuine parts on 0344 871 1540 or visit http://trade.baxi.co.uk/trade-area/support/parts.htm. Boiler plan uk ltd is authorised and regulated by the financial conduct authority frn: 692584 we are a credit broker and not a lender we offer credit facilities from a panel of lenders. Hugging my plumber, rick vassar vassar plumbing newport tennessee. Hp – 300hp (modular up to 5,000 hp). Option one plumbing service in fontana is prepared to service your home or business with professional, affordable plumbing service we have been offering emergency or preventative maintenance plumbing service in fontana for over twenty years if you need a dependable plumbing service in fontana, 24/7, we’re just a phone call away same day service, 365 days a year. I hardly ever write reviews, but i really wanted to take the time to make sure alex gets the credit he deserves he quoted a very reasonable price for our tub drain issue the job ended up being much harder than expected because of tricky access, but alex did an excellent job he measured very carefully to minimize the amount of sheetrock he had to cut through he kept me updated during the whole process and showed me exactly what he was doing after he was done fixing everything, he cleaned up and left the place spotless and he honored the original quote, even though i know it was more difficult than expected i would definitely recommend this company and will be calling them again with any other plumbing problems. The good thing about most boilers these days is that they’re sold at around 92% efficiency give or take a couple of percentage points in fact, if you have a really old, inefficient boiler, a new one could save you up to £720! Installation costs might fluctuate depending on the type of work needed never be tempted to try and save money by installing one yourself – any new boiler must be installed by a gas safe registered engineer. Up to 10 year extended warranty. We offer a local boiler service across the country and you could get a new installation in areas across the uk. He continued that smith “was a skilled tradesman” at a time when plumbers and heating engineers were in short supply in london and could command “relatively high hourly rates” the claimant’s specialist skills placed him in a strong bargaining position, linden told the court. Apartment building, church and school steam systems with gravity returns and automatic feeders are infamous for system lag that causes replacement boilers to flood the best way to solve this problem is to install a boiler feed unit. A cctv survey involves dropping our specialist camera down the drain and viewing a full colour display to identify the problem it could be anything: a collapsed pipe, tree roots, limescale or any object that has found its way down the drain whatever it is we will be able to see it and give you our expert advice on a viable solution. Call yaro plumbing for all your plumbing repair, replacement, maintenance or installation needs. Registered in england and wales no:6241527. Exclusions apply see www.help-link.co.uk/fixed-price-quote-faqs. Blocked pipes can stop wastewater flowing away properly causing it to come back up from the toilet, sink, or drains outside your house, leading to flooding in your home or garden. The engineer turned up and told the actor playing the owner that a new boiler was needed at a cost of £3,360 the company later said it could attempt to fix the electrics for £1,200, but that it was not guaranteed to work, and a new boiler would be the best option when she declined, he left the boiler in parts, demanded his payment for 30 minutes, and left. Benefit from the prowess of technicians employed by prime mechanical our widespread experience and complete range of services are next to none in the commercial and industrial boiler industry if you are questing after boiler service dublin then don’t feel hesitant to give us a call. Plumbing emergencies happen whether an unforeseen plumbing emergency comes about during the day or in the late hours of the night, we are here for you don’t stress or panic explore best plumber nj near me – give us a call! expert emergency repair technicians are available from 7:00 am – 10:00 pm, 365 days a year! T.webber celebrates nearly 30 years of service by re-branding. It started to bubble and i thought 'oh it's working'," she said. Ask if you have the required heating controls and what other options are available to you see our guide to. Full help to take advantage of this and pros & cons in our. Having an annual service should help you avoid unforeseen problems with your boiler, and keep it running efficiently. A flue is a pipe or chimney that is used to extract waste gases from within the boiler (caused by the combustion process) to the outside of the property these waste gases are mostly carbon dioxide and steam and in certain circumstances can be extracted through the flue terminal as a white plume or discharge this is due to the fact that as with all condensing boilers, the flue gases are exhausted at around 55°c and therefore cool quicker when entering the atmosphere in certain temperatures, this will create a plume similar to exhaled breath on a cold morning it is this plume or wastage that needs to be extracted correctly away from the property. My boiler broke this morning and was fixed by tea time! quick and efficient service i would highly recommend! thanks so much for your help! Gets work done fast and is very thorough we will recommend him to everyone! Emergency repairs – 24/7! if your furnace, boiler or heating system dies on the coldest day of the year, our emergency services team are always here when you call, ready to get to you as quickly as possible to make the repairs you need. The prices of these vary according to the different size and capability levels of each as a guideline, the cost of baxi boilers range between. We complete over 80,000 jobs annually with returning customers accounting for over 75% of our work – their satisfaction ensuring both customer loyalty and a reputation which few other companies can match. Depending on professional jargon used by a plumber, these will be known under a wide array of names, all of which are used to describe the same piece of equipment often called regular boilers, open vent or heat only – referring to the fact that they feed the central heating system while hot water is provided through a cylinder that stores heated water. We handle every plumbing project with the same professionalism and expertise you won’t be disappointed for choosing sal manzo plumbing and heating inc request your quote today! Unfortunately, we’re unable to cover dg, td, ca, la, fy, pr, bb, bd, hg, yo, hu, ls, hx, wf, hd, ol, bl, wn, l, wa, m, ll, ch, cw, sk, s, dn, sy, tf, st, de, ng, ln, pl, tq, ex, ta and tr postcode areas at this time. Of course, boiler inspections and maintenance only work when your service provider recognizes problems before they occur avoid unnecessary guesswork by calling a trustworthy technician. Whether you need us to help you prevent frozen pipes, or address your residential or commercial plumbing emergency, we are available at no extra charge! don’t wait around for an emergency to break the bank and cost you hard-earned money take preventative action and schedule maintenance with mr rooter plumbing professionals. Tree roots damaging drains in de1. If you feel that an oil-to-gas boiler conversion might be right for you, one of our bge home energy and comfort consultants can provide an estimate as well as a personalized recommendation based on your needs. So please read on and learn more about us learn about how our natural drain cleaner and grease trap products work safely in your home and on our planet. Is a professional heating and plumbing installation company specialising in domestic heating installations and maintenance. Jetting works on various types and sizes of pipes; like storm and sewer drain systems. Where a change of direction is needed, the bend should be less than a right angle and there should be an inspection chamber there there may be a manhole cover above it or, in older properties, there may be an interceptor chamber near the boundary before the house drain joins the main sewer. Surely we have a responsibility to care for our blue planet” – david attenborough. May be used for some service, cannot be combined with other offers. Conveinent st louis locations, 3 southeast missouri locations. At lakewood plumbing & heating, we know all about boilers if you need repairs or maintenance, we’ve got you covered choosing a boiler can be tricky, so if you’re looking for a new boiler, we can recommend the best one for your home or business. To find boilers that are economical, look for their energy star rating a well rated boiler should run very efficiently, whereas a poorly rated model may be more cost effective to replace in the long run. The problem is that electricity cannot be stored, and must be consumed at the same time and the same rate as it is provided.electricity that is not used is wasted, without doing any good this happens every night when most electric power-driven machines and appliances are not in use. If you are in pleasanton or surrounding areas and you are experiencing a plumbing emergency please give. Your boiler is the heart of your central heating system if this goes wrong or performing badly everything is effected and could be costing you a fortune in gas bills we can supply and fit a new boiler from as little as £1,080.00 plus vat which includes power flushing of your system as well. Established since 1996, we have the knowledge and expertise needed to ensure that you receive nothing but the best service once a job is finished by our team, you'll receive nothing but the best after care service our reputation has been developed through hard work and reliability which is why we are the area's number one choice for plumbing & gas related work we only fit worcester boilers because of quality which is in line with the business because of this, we hope to slowly grow the business to cover our existing database of customers. Boilers are manufactured in a range of sizes to cater for the heating demands of different sized properties residential boilers typically come in. Lift 35kg, carry 120m, 1.5 mile run in 13 min 15 sec (14 min 30 sec for junior entry). It was sunday night and we were in an absolute state of panic our basement main sewer had backed up and was oozing water and raw sewage onto the basement floor i called emergency plumbing and there were here within 1/2 hour they cleaned out our sewer main and it wasn't an easy job they were fast,efficient and very reasonably priced for sunday night to put it in simple terms: they saved the day for us and we are most grateful would recommend them in a heartbeat!!". A must read! if you are researching your options, need help or advice on changing your boiler - read this first packed with useful and sometimes over-looked questions to ask before taking the plunge download it now for free. Combustion efficiency simply indicates the flue gas loss boiler efficiency also includes the blowdown and standby losses whether comparing new or existing boilers, their most efficient operating point is usually somewhere between 60-90% load typically, gas boilers exhibit larger standby loss because of the flue, which has a chimney effect for the heat in the boiler. Gateway plumbing & heating is a family owned and operated business servicing new york city and new jersey. Timer and thermostat supplied for 24/7 controllability. Plumbing services maintain affordability and functionality we offer special plumber servicing for water heaters, sewer cleaning, plumbing fixture repair, drain cleaning and emergency plumbing system repairs. This product must be installed by a qualified/licensed contractor and set up with properly calibrated combustion test equipment failure to comply with this could result in substantial property damage, severe personal injury or death. I needed a replacement for my heater i called bill howe and they promptly fitted me into their schedule the person who arrived, laurence c thoroughly http://penisizexl-48.com/de penisizexl was ist tested my furnace and pointed out the problem i decided to replace it they arrived on the day to install it the two men, jose gomez and javier diaz promptly went to work they were clean, efficient and respectful of my home i would gladly recommend bill howe for your heating and plumbing needs they were great!!​. If household technologies were royalty, your boiler would be king especially at this chilly time of year. Parts and labour are usually included, and more comprehensive policies won’t impose a limit on the number of call outs you have there may, however, be a fixed call out fee, typically £50 or £100, to pay every time an engineer comes, so check before buying. Where do you start when it comes to central heating in manchester? do you need a gas or oil powered system? what’s the best type?