Hayward H-Series H135FD vs Hayward H-Series H150FD

Last updated: October 31, 2026

The Hayward H-Series H150FD and the Hayward H-Series H135FD are evenly matched, rated 2.6 and 2.6. The Hayward H-Series H150FD leads on heating input and efficiency. The Hayward H-Series H135FD wins on value. The Hayward H-Series H135FD costs $600 less ($2,399 vs $2,999).

Hayward H-Series H135FD vs Hayward H-Series H150FD

Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every under 250,000 BTU gas pool heater; a clear win is highlighted. How we rank explains each one.

Factor weightHayward H-Series H150FDHayward H-Series H135FD
Overall rating2.6/52.6/5
Value 35%26 $19.99 per 1,000 BTU/h ($2,999, 150,000 BTU/h)43 $17.77 per 1,000 BTU/h ($2,399, 135,000 BTU/h)
Heating input 25%50 150,000 BTU/h35 135,000 BTU/h
Efficiency 20%45 82.7% thermal efficiency33 82% thermal efficiency
Warranty 20%0 1-year warranty0 1-year warranty

Specifications

Hayward H-Series H150FDHayward H-Series H135FD
Heating
Gas input150,000 BTU/h135,000 BTU/h
Gas typeNatural gas or propaneNatural gas or propane
Thermal efficiency82.7%82%
CondensingNoNo
Low NOxYesYes
Heat exchangerCupro-nickelCupro-nickel
Max water flow125 GPM125 GPM
Installation and controls
IgnitionElectronicElectronic
VentingBothOutdoor
Digital controlsYesYes
Automation or appYesYes
Weight135 lb100 lb
Warranty1 year1 year

All gas pool heater comparisons →