Every page on Heat & Tap
83 content pages plus the trust pages, grouped by category. If you came here looking for something specific and it is not listed, tell us and we will write it.
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Sizing
- What Size Water Heater Do I Need?
- What Size Water Heater for a Family of 4?
- Best Size Water Heater for a Family of 5
- Best Water Heater for a Family of 6
- 40 Gallon Water Heater: How Many People?
- 50 Gallon Water Heater: How Many People?
- 80 Gallon Water Heater: How Many People?
- Water Heater First-Hour Rating, Explained
- Tankless Water Heater Sizing Chart
Tankless water heaters
- Tankless Water Heaters
- Best Tankless Water Heaters for 2026
- Best Gas Tankless Water Heaters
- Best Electric Tankless Water Heaters
- Best Whole-House Tankless Water Heaters
- Best Tankless Water Heater for 2 Bathrooms
- Best Tankless Water Heaters With a Recirculating Pump
- Best Tankless Water Heater for Hard Water
- Condensing vs Non-Condensing Tankless Water Heaters
Tank water heaters
Heat pump water heaters
Point-of-use, RV and portable
Install parts and accessories
- Water Heater Accessories and Install Parts
- Best Water Heater Expansion Tanks
- What Size Expansion Tank Do I Need?
- Are Expansion Tanks Required by Code?
- Best Tankless Water Heater Flush Kits
- Best Tankless Water Heater Descalers
- Best Hot Water Recirculating Pumps
- Hot Water Recirculating Pump Without a Return Line
- Best Water Heater Drain Pans
- What Size Drain Pan Do I Need?
- Best Water Heater Leak Detectors
- Water Heater Anode Rods
Brands
Comparisons
Guides and how-tos
- Water Heater Guides
- What a Water Heater Actually Costs
- How Long Do Water Heaters Last?
- How to Flush a Water Heater
- How to Flush a Tankless Water Heater
- Why Your Water Heater Runs Out of Hot Water
- Water Heater Not Heating
- Replace or Repair a Water Heater?
- Water Heater Breaker and Wire Size
- Water Heater Venting Explained
- Best Water Heaters for Hard Water
- Water Heater Rebates in 2026
- Useful Gifts for a New Homeowner