About MasterTemp
Building pool heaters that homeowners and technicians count on, season after season.
MasterTemp started with a straightforward observation: pool owners were spending too much time troubleshooting their heaters and too little time swimming. Early gas-fired pool heaters relied on atmospheric burners that wasted fuel, corroded fast, and required constant professional attention. The founding team set out to fix each of those problems with a single product line.
The first MasterTemp heater introduced premix combustion technology to the residential pool market. By blending air and gas before ignition inside a sealed chamber, the system achieved a more complete burn than open atmospheric designs. Pool owners noticed the difference immediately: faster warm-up times, lower gas bills, and quieter operation at poolside. Technicians noticed something else: fewer service calls and simpler diagnostics.
The engineering team then turned to the heat exchanger, traditionally the weakest link in pool heating equipment. Standard copper tubes corrode in aggressive pool water with low pH, high sanitizer concentrations, or heavy bather loads. MasterTemp adopted cupro-nickel alloy exchangers across its HD product line. The copper-nickel blend resists scale buildup and chemical attack, extending exchanger life by years in conditions that would destroy conventional copper within a single season.
Rustproof exterior construction addressed the other major failure point. Pool equipment sits outdoors in rain, humidity, chlorine vapor, and temperature swings. MasterTemp heaters use corrosion-resistant panels and fasteners rated for continuous outdoor exposure. Units installed over a decade ago continue to run without cosmetic or structural degradation.
The control system reflects the same attention to practical durability. An LCD panel displays water temperature, set point, operational mode, and diagnostic trouble codes in plain language. Rotatable controls allow technicians to orient the interface toward the most accessible side of the equipment pad. When a fault occurs, the display shows exactly what happened, reducing the diagnostic guesswork that inflates service bills.
MasterTemp expanded its line to cover both natural gas and propane fuel types across 250K and 400K BTU capacities. The propane models serve properties without municipal gas infrastructure, which is common in rural and semi-rural communities across Arizona, Florida, Texas, and the Carolinas where pool ownership is highest. Each fuel variant shares the same chassis, controls, and exchanger platform, so technicians stock one set of parts for every unit in the field.
The replacement parts program rounds out the product ecosystem. When a control board fails outside warranty, pool owners face a choice between expensive OEM boards and the cost of a new heater. MasterTemp-compatible control board kits include the board and switch pad in a single package, and most homeowners complete the swap in under 30 minutes with basic hand tools. This approach keeps working heaters on equipment pads rather than in landfills.
Our Mission & Values
Durability First
Every material choice prioritizes longevity in harsh outdoor and pool chemical environments. Cupro-nickel exchangers and rustproof panels are standard, not upgrades.
Owner-Friendly Design
LCD diagnostics, rotatable controls, and drop-in replacement parts put pool owners in charge of their equipment instead of waiting on service technicians.
Heating Efficiency
Premix combustion extracts more heat per unit of gas than atmospheric burners, lowering operating costs and emissions across every model in the lineup.