Need help figuring out the proper method to plumb an outdoor wood boiler in parallel with an existing LP boiler for a hot water radiator system.

No clear, accessible guidance or service exists for DIYers to properly design and install a parallel boiler system combining an outdoor wood boiler and an existing LP boiler.

Severity

3Medium

Willingness to Pay

explicit

Added

May 28, 2026

Implied Software Gaps

A purpose-built design tool that generates custom parallel piping diagrams for multi-boiler hydronic systems, replacing reliance on forum advice and manual research.

App Concept

BoilerMerge Pro

BoilerMerge Pro is a step-by-step interactive plumbing design tool and remote consult service for homeowners integrating multiple heat sources into a single hydronic system. It provides custom piping diagrams, component lists, and access to certified plumbers for review, eliminating guesswork and expensive trial and error.

Key Features

Custom piping diagram generator for parallel boiler setups
Comprehensive bill of materials with links to purchase
1-on-1 video consultation with a licensed hydronic specialist
Integration with common boiler models for compatibility checks

Target Users: DIY homeowners and small contractors in the plumbing/HVAC sector integrating wood, pellet, or solar boilers with existing fossil fuel systems

Revenue Model: $99 per diagram + $199 per consultation session, or $29/mo subscription for unlimited diagram generation and discounted consultations

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