what brand of pool heater do you use  

Hayward Pool heaters are a complete line of pool products such as pumps, filters, heaters, heat pumps, automatic pool cleaners and lighting and special instruments such as salt chlorinators and other controls. With the Hayward pool heaters, you can actually save up to 75% of your energy costs for pool heating as well as more than 50% on cost of rinsing and maintenance of the pool.
You can actually increase your swimming session by using Hayward pool heaters. They come with several features including; Nickel heat exchanger for quick and consistent heating, a reliable dual-voltage ignition system, a patented rust-resistant water path, and a digital LED control panel for simple programming of water temperature.
Aquabot pool cleaners are automatic pool cleaning materials which can be used for both residential and commercial purposes. They come in several sizes and shapes and they are mostly powered by Turbo-power design technology. Other varieties of aquabot pool cleaners include; Aquabot Blue diamond series, aquabot Blue pearl, aquabot bravo, and aquabot storm among others.
Dolphin pool cleaners are electronic pool cleaners which are robotic in nature and operates from a filter system and are computer-controlled pieces of cleaners. Dolphin robotic pool cleaners vacuums and scrub the pool clean and make it free of dirt, bacteria and green algae. They can clean up to 1,250 sq. ft measurement of different size and shapes of pools and they filter the pool water while cleaning the pool. They shut themselves out automatically after performing cleaning and they come with transformers and filter bags to make cleaning easier.