Swim in your pool year round with one of our swimming pool heaters. Our huge selection includes Natural & Propane Gas, Low NOx Models, High Altitude, and Small Heaters for Above Ground Pools & Spas. Not sure which pool or spa heater is right for your application? We can help! Our sales team includes several individuals with more than 20 years in the pool industry. Give us a call or send us an e-mail via our Contact Us page.
Looking for an energy efficient Heat Pump? Heat Pumps compliment your gas heater and provide a more cost effective way to heat your pool.
Natural gas heaters use 1 therm BTU per hour per 100K BTU heater size and propane gas heaters use 1 gallon of propane per hour per 100K BTU heater size.
Raypak Pool & Spa Heaters Dive in and take a look at the Raypak heater that can meet your exact needs.
Pentair & Sta-Rite Pool & Spa Heaters Heat your pool fast and efficiently with a Pentair or Sta-Rite Heater.
Jandy Pool & Spa Heaters Selecting a Jandy Heater makes you feel warmer already!
Hayward Pool & Spa Heaters Get a higher degree of comfort and control with a Hayward Pool & Spa heater.
Lochinvar Pool and Spa Heaters Lochinvar is recognized as the leading producer of energy-efficient pool heaters.
Trane Pool & Spa Heaters If you need reliability, durability, and energy efficiency, then chose Trane
Electric Heaters When Natural Gas or Propane is not an option, choose an electric heater
Residential Atmospheric Pool Heaters Atmospheric heaters can be used throughout the country except for parts of California & Texas.
Residential Low-NOx Pool & Spa Heaters Low NOx (low emission) heaters are required in some parts of California & Texas.
Small Spa & Above Ground Pools Heaters Heaters specially made for a spa or above ground pool - gas and electric models available.
Commercial Heaters & Boilers Choose a Water Heaters or Boilers for any of your commercial needs here.
Discounted & Discontinued Heaters and Heat Pumps Looking for a great deal? All brand new....just outdated models at great prices!
Equipment Pads We offer a variety of concrete and plastic slabs for your equipment
Heater Covers Protect your pool heater investment with a heater cover.
If you have a swimming pool at home then cooling off in summer is no problem for you. In the springtime, however, when you do jump into the water it will be so cold it will take your breath away. Even on the hottest days a pool can still be very cold. This makes your pool only usable during the hottest summer months. At Pool Supply Unlimited we have a comprehensive selection of the best pool and spa heaters on the market to allow you to make the most of this great investment.
We have gas pool heaters that you can install with pumps that circulate the pool water to warm it up before it is returned to the pool. In some states, it is compulsory to only use low emission pool heaters and we are pleased to supply this range as well, all in top, well-known, reliable name brands. When you install pool heaters they will warm your pool to a comfortable temperature. We have compact pool heaters for residential swimming pools, up to commercial heaters and boilers for large school swimming pools and gym pools.
Gas pool heaters offer you a cheap source of supplying energy for heating your pool and they are completely safe to use, and cost-effective as well. If you would prefer to have electric pool heaters we have top quality models to choose from in different sized models, equally effective to add for in-line pool heaters. Enjoy using your pool well into the fall if you have smart swimming pool heaters installed.
Pool Supply Unlimited is a licensed and registered dealer for many of the top brand names of pool heating and equipment. Get expert advice on the best equipment for your residential and commercial swimming pools from a company that has been in the pool business for over two decades.
It is recommended to have equipment of this nature installed by the professionals, and we will be able to recommend reputable contractors in your area if you need help with this option.
How to Choose The Right Pool HeaterThe search for the perfect heater for your pool or spa is sometimes riddled with weird acronyms, strange sizings, and unfamiliar terms. This guide, along with our sizing guide will hopefully provide all the information needed to find the heater perfectly suited for your pool.
Swimming Pool Heating GuideConsidering a heat source for your pool but not sure what's best for you? Our guide may be the perfect primer for you to weigh the benefits of heat pumps, gas heaters and solar options and make an informed decision to extend your swim season.
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ABOUT THE STORE Pool Supply Unlimited is an e-commerce company that loves water. We love to pump it, filter it, heat it, chlorinate it, light it up and stare at it while we're barbequing a fat, juicy steak. There are real pool professionals working here. Our guys have seen thousands of pools in their careers, no exaggeration. We are based in Southern California and can land most products to your door (within the 48 contiguous states) in less than a week.