Home Pool Pool & Spa Heaters

Pool & Spa Heaters

Swim in your pool year round with one of our swimming pool heaters. Our huge selection includes industry leading brands - Raypak, Pentair & Sta-Rite, Jandy, Hayward, Lochinvar, and Trane, with a variety of models and specifications to fit your needs; including gas and electric pool heaters, low NOx models, high altitude units, and small pool heaters for above ground pools and 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.

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Transform your backyard into a year-round retreat with pool & spa heaters & accessories at Pool Supply Unlimited, we're dedicated to ensuring your backyard pool or spa remains the tranquil oasis you deserve. Our comprehensive range of high-quality pool and spa supplies, backed by our team’s extensive industry experience, guarantees you find the ideal heating solutions tailored to your needs.
 
Heat Pump vs Pool Heater
For pool owners seeking efficient water heating solutions, both heaters and heat pumps offer viable options. Choosing between a pool heater and a heat pump typically depends on factors like your location, budget, and heating requirements. In colder climates where extending the pool season is a priority, natural gas, propane, or electric pool heaters are preferable. Conversely, for long-term savings and milder climates where temperatures rarely dip below 50 degrees, a heat pump might be the more economical choice.
 
Benefits of Installing a Pool Heater
Installing a pool or spa heater offers numerous advantages:
  • Extended Season: Enjoy your pool or spa for longer periods, even as temperatures drop.
  • Consistent Comfort: Maintain a steady, comfortable water temperature.
  • Optimal Chemical Performance: Heaters help circulate chemicals effectively, keeping your water clean and sanitized. 
Explore Different Heater Types
Choosing the right heater involves understanding the various options available:
Natural Gas & Propane Heaters: These heaters are perfect for quick heating and maintaining steady temperatures. Natural gas models connect directly to your home’s gas line, while propane heaters are standalone with their own tanks, simplifying installation.
Electric Heaters: Ideal for smaller pools and spas, electric heaters are straightforward to install, often needing only a standard electrical connection, though some may require a dedicated 220v line. Their operational cost will vary based on local electricity rates.
Maximize Efficiency with Heater Accessories
Enhancing your heater’s efficiency is crucial for cost-saving and performance:
Covers: Utilize pool covers to significantly reduce heat loss through evaporation. Options include bubble covers with insulating properties, sturdy safety covers, and heat-retaining solar rings.
Thermometers and Timers: Keep track of water temperature effortlessly and set your heating schedule with ease, reducing energy usage.
Protective Covers for Heaters: Shield your heating unit from the elements, which prolongs its lifespan, minimizes safety risks, and prevents unauthorized access or pest infestation. Look for covers made from durable materials like vinyl, polyester, or canvas, and consider those with clear windows for easy control access. 
Choosing the Right Pool Heater
When selecting a heater, consider the following to ensure it meets your specific requirements:
Features: Look for models with a built-in thermostat, digital controls, high-efficiency ratings, and durable construction.
Size and Noise: Match the heater’s capacity (BTU) with your pool’s volume and consider the noise level, especially if you prefer a quieter environment.
Installation and Energy Costs: Understand the installation demands and compare ongoing energy costs, factoring in your climate and pool’s exposure to elements.
Invest Wisely in Your Pool Heating Solution
Balance the initial cost of the heater against long-term energy expenses. Our experts at Pool Supply Unlimited are here to guide you through these decisions, helping you choose the perfect heater that aligns with your pool’s characteristics and your heating preferences. Contact us today to enhance your pool or spa experience.
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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 San Antonio, TX and can land most products to your door (within the 48 contiguous states) in less than a week.
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