How to Choose the Most Economical Pond Pump

 


Article by: Keith Davitt

This article is not about what size of pump , Flowers – One of Life's Small Pleasures to choose, it is about comparing costs between pumps , Secrets To Beautiful Shade Gardens of the same size, in terms of their up-front cost and running costs. To read about what size pump , Want Curb Appeal - Play Dress-up to choose, see the article on Filtration and Pumps. , Double Your Crops

The cost of running a pump , How to Grow Blueberries is dependant on how may watts it uses as electricity , Marvellous May Plant Colour is measured in terms of kilowatt hours, or the quantity of watts, in thousands, used in an hour. The larger the pump , US Flag History the greater the watts it uses, however pumps , Hydroponics Gardening - An Introduction To Hydroponics Gardening For Beginners (Part 11) What Is pH? of the same pumping power , Shrub Roses and Climbing Roses can differ considerably in their watt usage. An energy , Container Gardening: Urban Alternative for Plant Lovers efficient pump , Hydroponics Gardening - An Introduction To Hydroponics Gardening For Beginners (Part 11) What Is pH? that delivers 4200 gallons per hour may run at 550 watts while another that delivers the same volume of water , Marvellous May Plant Colour may run at 850 watts.

Does that mean that over time the 550 watt pump , 7 Tips for Creating Fresh Hydrangea Bouquets will save , US Flag History money? Not necessarily. Pumps , 7 Tips for Creating Fresh Hydrangea Bouquets are only warrented for one or two or three years, generally. If you live in an area where electricity , How to Buy a Porch Swing is cheap and the pumps , How to Read a Seed Catalog you are considering are warranted for a year or two, then the added cost of the energy , Secrets To Beautiful Shade Gardens efficient pump, , Container Gardening: Urban Alternative for Plant Lovers and its replacement, may be greater than the energy , Flowers – One of Life's Small Pleasures costs it will save , The Benefits of Wholesale Flower Bulbs over the same time period.

If, on the other hand, you live where the cost of electricity , Garden Tables Aren't Just Decoration is high and you are looking at a pump , Guide To Growing Annuals with a three year warrenty that uses significantly less electricity , Specialty Trees - A Beginner's Guide than the other, then the energy , Hot New Sunflowers to Grow efficient pump , Tidy Your Garden Up Cheaply may more than pay for its extra up-front cost over the long term.

How to know? A Life Cycle Cost Analysis. Find the cost of electricity , Glider Rocker Cushions - Fanastic Replacement Cushions for Your Favorite Adirondack Furniture in your area, figure how long the pump , Aromatic Red Cedar Lawn Furniture - Add A Touch Of Luxury should last, (generally at least two times the warranty), the number of watts it runs on and do the math. Here's an example.

Say your pump , Planting Roses uses 550 watts/hour and you plan , Hydroponics Gardening - An Introduction To Hydroponics Gardening For Beginners (Part 11) What Is pH? to have it running continuously. It has a warranty of two years, so figure it will last four. 550 watts per hour in one day amounts to 13,200 watts. Divide that by a thousand to get kilowatts; 13.2. Multiply that by 365 days in a year = 4,818. Multiply that by 4 years = 19,272 kilowatts over its lifetime. Multiply that by the cost of electricity , When to Fly Old Glory in your area, say $.20 = $3,854.

Do the same for the 850 watts/hour pump , Garden Gazebo - A Stunning Addition to any Landscape and the result is $5,957. There is a difference in energy , Glider Rocker Cushions - Fanastic Replacement Cushions for Your Favorite Adirondack Furniture costs of usage over their lifetime between the two pumps , Growing Roses - The Guide for Fans of Roses of $2,102. The difference in purchase price of the pumps , 10 Excellent Tips on Successfully Planting Your Trees and or Shrubs will be in the vicinity of $200.00.

Does this mean the energy , Bird Feeders: Look Who's Coming to Dinner efficient pump , Container Gardening: Urban Alternative for Plant Lovers is the most economical over time? In this scenerio it does, which assumed a twenty cent energy , Control Weeds Effectively In Your Garden cost, a lifetime of four years and continuous running for all of that four years, yes. If the pump , Hedge Trimmers Are Tools Not Toys is run half that time, say 12 hours a day or six months of the year the energy , Garden Gazebo - A Stunning Addition to any Landscape differential would drop to $2,901, still a considerable savings. Reduce the life time to two years or run the pump , How to Grow Blueberries for less often and the difference will be still less. In some areas the cost of electricity , The Benefits of Wholesale Flower Bulbs is much less so the cost of running the pump , Vegetable Container Gardening will be much less.

Let's look at the same scenerio as the first example above, but instead of an energy , Attracting Birds To Your Garden cost of twenty cents per kilowatt, we'll assume eight cents per kilowatt. We're looking at a pump , When to Fly Old Glory that uses 550 watts/hour, running continuously. It has a warranty of two years, so figure it will last four. 550 watts per hour in one day amounts to 13,200 watts. Divided by a thousand to get kilowatts gives us 13.2 per day. We multiply that by 365 days in a year = 4,818, and that by 4 years = 19,272 kilowatts over its lifetime. Now we multiply that by $.08 (eight cents) per kilowatt and we have a total cost over four years of $1,541.76 for the 550 watt pump , A Look at Planting Flower Bulbs and plugging in the 850 watt number in place , Secrets To Beautiful Shade Gardens of the 550 we get $2382.00 over four years. A difference of about $840.00. Reduce the life of the pump , Secrets To Beautiful Shade Gardens to two years and you have a difference in running costs over that two years of $427.00.

As you see, the less the pump , Shrub Roses and Climbing Roses is run, the cheaper electrical energy , Attracting Birds To Your Garden is in your area and the shorter the life of the pump, , Hydroponics Gardening - An Introduction To Hydroponics Gardening For Beginners (Part 11) What Is pH? the less is the differential in running costs between energy-efficient and non eneregy-efficient pumps. , Double Your Crops In some cases, when the pump , Hydroponics Gardening - An Introduction To Hydroponics Gardening For Beginners (Part 11) What Is pH? will not be run continuously, when it is fairly small and doesn't use a lot of wattage and the up-front cost of the pumps , How to Grow Blueberries is significant, it may make more sense to go with the less expensive pump, , Water Gardens - How To Build A Pond especially if you are trying to reduce up-front costs of building , Would You Like More Information About Climbing Roses? a pond. , Vegetable Container Gardening

To know exactly which is the most economical way for you to go, do the Life Cycle Cost Analysis. It's just arithmetic, so once you've gathered the necessary data and got your head around the variables, plug them into the formula above and you'll know which way to go.
Keith Davitt - EzineArticles Expert Author
Keith Davitt is an internationally acclaimed landscape , Riding Lawnmower - Choices are Wide Open designer/builder and the author of Water , How to Read a Seed Catalog Features For Small Gardens. , ing With Climbing Roses

For more information , Hydroponics Gardening - An Introduction To Hydroponics Gardening For Beginners (Part 11) What Is pH? on ponds , Have Year Round Color by Planting for Birds and water , Growing Roses - The Guide for Fans of Roses features of all kinds, visit us at www.water-features-online.com.

For information , Control Weeds Effectively In Your Garden on all other aspects of landscape , Find Peace And Happiness Through Gardening design, visit us at landscape-design-garden-plans.com

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