We’re going to heat a 4,400 gallon above ground pool from about 68°F to 85°F using a propane tankless water heater and submersible pump.

The Pool

I call this my pool heating crash cart.

Pool Heating Crash Cart

Here are connections with the pool.

Running Heater

Relocated to under the patio roof.

Running Heater

Project Goals

This DIY pool heating system aims to:

  • Efficiently heat a large above ground pool
  • Use portable equipment that can be easily moved and stored
  • Maintain safe operation with proper connections and controls
  • Provide cost-effective heating compared to commercial pool heaters

What’s Coming Next

This series will cover:

  1. The Pool Setup - Details about the pool and infrastructure
  2. Parts List and Links - Complete shopping list with recommendations
  3. Assembly and Testing - Step-by-step construction guide
  4. Operation and Maintenance - How to use and maintain the system
  5. Wildlife Encounters - Unexpected visitors and lessons learned

Stay tuned for the complete build process!