A 36 foot long by 18-foot wide pool above ground pool. (8 foot + 12 foot) x 24 foot x 0.45 = 216 sq feet. We began with an ambient of 65°F and our target temperature is 80°F which gives us a ∆T of 15°F. Therefore, the minimum size heater that is recommended for a 15 x 30 pool is 150,000 BTUs. Buy Hayward Pool Heaters & Solar Panels and get the best deals at the lowest prices on eBay! Pentair 460733. Our heaters come in a variety of sizes and are available in both natural and propane versions to match your household utilities. All filters have a GPM design rating and a turnover rate. 1. Natural Gas, 150,000 BTUs Item #H150FDN . Even the most efficient heat pumps will end up costing you 400 or 500 dollars a month if you use them frequently, because unlike gas heaters they can take days to heat up your pool by 10 or 15 degrees. And then, they will examine the location of your pool as well as its surroundings. One of the things people do, is combine their regular gas powered pool heater with a solar heater. For rapid comfort, we offer the Universal solution. You simply multiply the length by the width in feet. amzn_assoc_design = "enhanced_links"; When you consult with a swimming pool professional, the first thing they are going to ask you is how quickly you want your pool heated. We shall discuss the benefits of a solar pool blanket and how it works in a later portion of this article, but first let us get into the steps for sizing your pool heater. Unfortunately, most manufacturers don’t realize this. In Ground Pool Heater Sizing Guide This document is designed to give you the best advice beforeyou decide to purchase an In ground swimming pool heater for a normal May – September Season. To get the radius measure the width of the pool through the centre and half it. In addition to this the bigger the pool heater the faster it will heat the water as described in oversizing your all heater. Are there any trees blocking direct sunlight from falling upon the pool? First, we need to work out the surface area following exactly the same guide as for swimming pools. For instance, the American Red Cross recommends a temperature between 78° and 82° for recreational and commercial pools. (Buy from Amazon). Because of this efficient energy transfer the more heat you can run through a unit the faster it will heat the water. Clearly an electric heat pump would not be sufficient for our application since those top out at 140,000 BTUs so you will need a gas powered pool heater. Hayward's pool heater saves money by being the most energy efficient solution for any pool/spa. Menu. Don't let cold water limit your fun in the swimming pool. A Heat pump is the most energy efficient solution to heat your pool in warmer climates. amzn_assoc_region = "US"; Your email address will not be published. Once you work out the volume in gallons simply use the following table to identify the heater most suitable for you. Rectangular pools: Multiply length by width to get area of a rectangular pool- for a 14’ x 8’ rectangular pool the area is 14 x 8 = 112 square feet. I always go higher. Can power a range of things…. The job of a pool heater is to replenish the heat loss at the surface of your pool. Viral Video Shocking Millions Showing a Baby Almost Drowning. (Available on Amazon). A wood chipper is simple in principle : It takes your branches and other yard debris and transforms them into mulch, compost or wood chips. amzn_assoc_marketplace = "amazon"; In fact, a lot of pool professionals will recommend that you oversize your pool heater by a slight margin to compensate for things like unexpected weather changes, future pool upgrades (hot tub, spa, fountains), etc. As an Amazon Associate I earn from qualifying purchases. Unlike heat pumps, gas powered pool heaters can function in any climate or weather. Hayward Universal H-Series | Gas Pool Heaters. And the upfront cost is lower compared to an electric heat pump, even though they end up costing much more in the long run because of how much gas they consume. Cyber Monday Swimming Pool Deals – Ultimate Savings of 2020! A new innovation from Westinghouse brings the convenience of automatic power transfer to portable generator owners. Therefore, the minimum size heater that is recommended for a 15 x 30 pool is 150,000 BTUs. Since it takes one BTU to heat one pound of water by a single degree, we now know that in order to raise this entire 20,000 gallon pool by one degree it will take 166,000 BTU's of heat energy. Additionally, the Energy Solutions Calculator can show you how much MORE you can save by switching to a Hayward energy efficient filter, cleaner, heater or heat pump, control or lighting product. To calculate water loss through evaporation, use the following formula : Ks x ∆T x A, where Ks is “surface heat loss factor”, ∆T is the difference between ambient air temperature and water on the pool surface, A is the area of the pool. It also keeps the relative humidity between the pool surface and solar blanket higher compared to the ambient air above the blanket. A turnover rate of 8 or 10 hours is a typical sizing rate for residential pools. Now we get a surface area of 5 x 10 x 3.14= 157 square feet. Use the chart above to determine the heater size for your pool. For a city like Detroit, swimming season is usually the 2 month period consisting of July and August. Size at 4 BTU’s per gallon or 1 BTU per litre of water. Most heat pumps use refrigerant (typically R410A) which goes through phase changes while circulating between an evaporator and condenser. Reviews — Best Outdoor Storage Sheds for the Money, 2020 Reviews — Best 400,000 BTU Pool Heater? Do you have shrubs, fences, or cabanas around the pool to restrict wind speeds? A note about heater size: A pool heater should heat the pool, on average, one degree an hour. Not that you will find a whole lot of outdoor pools in Alaska to begin with, but just in case. Gas-powered pool heaters: If your pool is large, and you want it to heat up fast (within hours) there is nothing better than a propane or natural gas-powered pool heater. Note: When you buy through links on poolgizmo.com, we may earn an affiliate commission. 2019 Reviews — BEST Chainsaws for the Money? amzn_assoc_marketplace = "amazon"; Hayward® heat pumps ensure a gradual rise in temperature and optimum heat preservation: energy consumption is kept to a strict minimum. View and Download Hayward H250IDL2 installation, operation & service instructions online. Circular shaped pools: The area of a round pool is πr² where π is a constant with the value of 3.14 (approx.) Heater Type 12’ Round 15’ Round 17’ x 12’ Oval 18’ Round 24’ x 12’ Oval 30’ x 15’ Oval 33’ x 18’ Oval Pool Surface Area ft² . Heating the pool requires energy, but maintaining the heat is another problem with a different set of challenges. This way, a heat pump can achieve thermal efficiency values of 400 to 500 percent in optimal conditions (ambient air 80°F). The Classic heat pump from Hayward is the perfect addition to your swimming pool. As mentioned previously, however, when in doubt upgrade to pool heater one size larger than what is recommended. What makes a gas heater so unique is that it can actually extend your pool season, maybe even double or triple the number of months in a year that you are allowed to use your pool. An undersized pool heater will heat too slowly, and a severely oversized pool heater may end up unnecessarily driving up the cost of this big investment. The gas powered heater runs for one day a week and shuts down, while the solar pool heater helps maintain the water temperature by compensating for heat loss. How to Calculate Swimming Pool Surface Area, How to Measure Square, Rectangular or Oval Pools. Each of you will have different requirements depending on where you live, the size and type of pool, etc. Set of 2 Genuine Hayward Union Nuts Collars Heater HAXNUT1930. So here we would need an H200 or the H250 to oversize your heater. Not only are you retaining the pool heat for longer, but you also prevent loss of valuable pool chemicals through evaporation or convection. Hayward Pool Heaters – How To Choose a Pool Heater. But with a decently powerful gas heater unit, you can easily extend it on both ends — as early as June, and as late as September. Therefore, if you can afford to go for a larger unit then do so. Sizing a heater properly means your pool water will heat to your desired temperature in the desired timeframe. Do you need 3000 starting watts or running watts? Clearly there is no company on Earth which will sell you a 7 million BTU/hr. £157.72. Also available as a propane model. Home Tools, Power Equipment, & Toys — Expert Advice, Last Updated on January 15, 2019 By Chainsaw Journal, Calculate your pool sq. We need 8.34 BTUs of heat to raise the temperature of one gallon by 1 degree. It will work fine during the spring and summer season, but come fall or winter you will not get sufficient sunlight exposure for the solar hot water panels. And unlike gas heaters, a heat pump doesn’t just convert energy from one type to another, it amplifies the heat energy before sending it into the pool water. While gas heaters go up to 400,000 BTUs in size, the most powerful electric heat pumps top out at around 140,000 BTUs. If you want to get a 1.5°F rise in temperature per hour, multiply the result with 1.5 so for our example, 216,000 x 1.5 = 324000BTU/hr. Though, I can’t help thinking…. Owning a swimming pool means you and your family get to have a lot of fun together, and you can invite your friends and relatives on the weekends for pool parties. Hayward's patented technology offers the lowest cost of operation when compared to competitors gas heaters. You will have to oversize the heater by around 20 percent to compensate for the added load. 8 left. This tiny piece of pool heating equipment … amzn_assoc_search_bar = "true"; amzn_assoc_region = "US"; = Surface Area x Temperature difference x 12, where Surface Area is the area of the pool in square feet, temperature difference is the result of (desired pool temperature – current pool temperature), and 12 is our constant number based on the assumption that wind speed is around 3.5 miles per hour. You take the smaller radius, let’s call it “A”. Whether you require rapid heat or a pool that is always at the perfect temperature, Hayward has the best heating solutions for your backyard. The Universal H-Series is an energy efficient, high performance, installation adaptable commitment to the pool service professional. Hayward pool heaters are technologically advanced for the ultimate in comfort. If it is necessary to drain a pool heater located below the pool water level, you must either partially drain the pool, or isolate the pool heater from the pool using valves. To do this is fairly straight forward. Which is why heat pumps are used to enhance your existing swimming pool season, not to expand it. pool heater. Work out the average depth by taking a measurement at the deepest part and another at the shallowest and then divide this figure by 2. The volume can be calculated as:V = 7.5 l w d (2)whereV = volume (Gal)l = length (ft)w = width (ft)d = depth (ft)The heat-up load can be calculated ashheat-up = 8.34 V dTw / dt (3)wheredTw = difference between initial temperature and the final temperature of the water in the pool (oF)dt = heat pick-up time (hr) So in this instance we would recommend purchasing the H250 or if you want to oversize your pool heater slightly for faster water heating the H300. Hayward FDXLTER1930 FD Thermistor Replacement. Loss through evaporation can happen both during the day, as well as the night, but it is maximized when pool water temperature is at its highest. footage first. The availability and price information displayed on the Amazon at the time of purchase will apply to the purchase of the products. Natural Gas Pool Heater | Pentair 460736 MasterTemp, Gas is the most popular type of pool heater. Recommended Gas-Fueled Pool Heater Size Based on Pool Size As a general guideline, the following gas heater sizes should be sufficient for the following pool sizes. 400 defines the size of the heater in BTU. In 2019, What's the Best 4000 Watt Generator worth spending your money on? The volume is 7200 cubic feet, and when converted to gallons it is 7200 x 7.48 (one cubic foot is 7.48 US gallons) = 53,860 gallons. amzn_assoc_linkid = "7e85ac23d4f1bc6c54a7bc807ba91016"; A pool is essentially a large water body sitting out in the open, and it loses both heat and mass over time to the atmospheric air through evaporation. Heater size in BTU/hr. It provides the perfect water temperature, even under the harshest conditions, allowing you to swim longer into the evening hours, earlier in thespring, later in the fall. Now accounting for the entire volume of our pool, the total heat energy required is 125.1 x 53860 = 6,737,886 BTUs. BTU is an acronym for British Thermal Unit and identifies the amount of energy required to raise the temperature of one pound water (in the case of pool heaters) by one degree. However, there are limitations on how long you can use your pool because of climate and day/ night cycles. Use the following guides on how to work out the what size pool heater your need and then use the following table to identify the model (using Hayward H Series Pool Heaters as an example) that will be suitable for your requirements. 1 sold. This again is pretty straight forward. To maintain good water clarity, you must run the pump long enough each day to filter and sanitize the water in your pool. Well, the pool pump still draws electricity, but you get the point- the heating system itself doesn’t consume power like an electric heat pump or gas heater. amzn_assoc_ad_type = "smart"; If the spa requires more than 20% of the pool turnover rate, a two pump system should be considered. We shall provide the formulas needed to get a rough approximation of pool heater size, and back it up with a couple examples to further illustrate the calculation process. Keep in mind, this is simply the recommended minimum size. Especially when it comes to gas heaters, you always want to oversize the unit. Check with the manufacturer for specific flow rate requirements. General rule of thumb with heaters: Bigger is Better, but to a certain point. Then take this figure and multiply it by 0.45. this should give you a rough estimate so to be on the safe side we would always recommend oversizing your pool heater in this instance. And there are reasons for that- first of all, a solar pool heating system is extremely dependent on weather. With a circular pool that has a diameter of 10 feet, the radius is 5 feet which means we get a surface area of 3.14 x 5 feet x 5 feet = 78.5 square feet. Intex Solar Heater Mat for Above Ground Swimming Pool. With these new figures, our total BTU expenditure to heat and maintain the pool temperature at 80°F is (140,372 + 90,000) BTU/hr = 230,372 BTU/ hr. The Raypak 014941 (above) is the best 400,000 BTU pool heater for 2019, no doubt. Unless you are training to become a special forces operator, jumping into a pool filled with freezing cold water doesn’t sound like a lot of fun. We have done this, using Hayward H Series Pool Heaters as an example. Here we would recommend going for the H150 as there is plenty of wriggle room with this heater able to cope up to 450 sq feet of surface area. Clean Power, My Chainsaw Won’t Start | Definitive Chainsaw Starting Guide. Most American tool aficionados will say, without hesitation, that Milwaukee is the true leader in this race. Spa Jets normally require 10-15 GPM. The heat-up load depends on the volume of the pool. Solar pool heaters: Solar energy has been around for quite a while, but it never got the mainstream popularity that we thought it would. Spa Turnover Rates amzn_assoc_default_category = "All"; If possible we would always recommend going for the next model up – especially if you are borderline requiring a larger unit. By spending just 50 to 200 bucks on a decent solar pool blanket, you can reduce the pool heater operating costs by up to 50 percent (even as high as 70 percent in some cases). With a solar pool blanket, you can prevent most of the heat loss that happens through evaporation and also suppress heat loss via convection. Most pools in Alaska are probably indoors. Makita vs Milwaukee ǀ Which is the Top Power Tool Brand? First, we need to know how many BTUs it takes to heat one gallon of water. To heat in normal summer conditions when ambient air temperature average 70°F in a 24 hour period. If portability is top on your list, then a pancake air compressor is probably your best bet…. Once your pool heater has brought the water temperature up to a comfortable level for swimming, it must also maintain the temperature caused by heat loss from the water surface. Brand History. The perfect heat pump for non-stop comfort. The following table shows each of the Hayward H-Series Pool heaters and how long it would take in minutes to raise the water temperature by 30 degrees Fahrenheit given the size of the spa in Gallons. Based on climate data (57°F lowest and 73°F highest), it is reasonable to assume an average starting temperature of 65°F for our pool water. It doesn’t take long before it is filled to the rafters…. Hayward heaters: The H-Series gas-fired pool/spa heater is the result of nearly 50 years in the engineering and production of the Kids and senior citizens prefer a water temperature higher than 80°F. At 4 BTU ’ s call it “ a ” questions will help you cut down pool... Guide as for swimming pools hour needed water limit your fun in the world, with a oversized... 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