Gas Heater (200K-400K BTU)
Fast heating (achieves temp in hours); 80-85% efficiency; requires gas line; annual heating cost $1200-2400; installation includes permits and venting
Installed price$2,000–$4,000LA-area, parts and labor
Typical lifespan~8 yrswith regular care
Cost per year of life$250–$500price ÷ lifespan
Who usually installs it0% DIY · 100% pro
Most installs involve plumbing or electrical work. When wiring or gas lines are involved, call a licensed pro.
Common brandsRaypakPentair MasterTempHayward H-SeriesZodiac
Repair or replace?
A common rule: if a repair costs more than half the price of new, or the unit is in its last year or two of a ~8-year life, replacing is often the better value. Try the repair-or-replace calculator with your own quote. Ranges are LA-area estimates; see How We Estimate.
Models and variants
- Pentair MasterTemp 400NA HeaterPentair · about $2800 · 2-yr warranty
- Raypak Digital Heater E-SeriesRaypak · about $2200 · 2-yr warranty
Related repairs
Maintenance that protects it
Costs and calculators
- Pool ownership costs by pool type
- Annual Gas Heater Operation (4 months use, 75K-200K BTU): $300–$800
- Annual Solar Heater Operation: $0–$0
- Heater Repair/Service (annual inspection, descaling): $100–$300
- Annual Maintenance Cost Calculator
- Pool Running Cost Calculator
- Equipment Lifespan Calculator