Transforming Your Old House: A Comprehensive Guide to Installing Hydronic Heating

by | Aug 5, 2023 | Home Improvement | 0 comments

Are you tired of shivering through chilly winters in your old house? It’s time to bid farewell to icy floors and drafty rooms by embracing the warmth and efficiency of hydronic heating. In this guide, let’s walk you through the process of installing hydronic heating in old house of yours, turning it into a cozy haven while preserving its classic charm.

Why Choose Hydronic Heating?

Hydronic heating which is also known as radiant heating, is a system that uses water to heat your home. Unlike traditional forced-air systems, hydronic heating offers a multitude of benefits that are particularly suited for older houses:

  1. Even Heating Distribution: Hydronic systems radiate heat uniformly across the entire floor, eliminating cold spots and maintaining a comfortable environment.
  2. Energy Efficiency: By heating water with high efficiency boilers or heat pumps, hydronic systems consume less energy compared to forced-air systems, resulting in lower utility bills.
  3. Aesthetic Appeal: Say goodbye to bulky radiators or vents. Hydronic heating is mostly invisible, preserving the aesthetics of your old house.
  4. Allergy-Friendly: Without blowing air around, hydronic heating reduces the circulation of allergens and dust, creating a healthier indoor environment.

Installing Hydronic Heating – Step by Step

Step 1: Assessment and Planning

Before you dive into the installation process, conduct a thorough assessment of your home’s structure and heating needs. Consult with a professional HVAC contractor to determine the ideal system layout and capacity for your old house.

Step 2: Choosing the Right Components

Select the components that best suit your needs:

  • Boilers: Opt for energy-efficient boilers that can accommodate the heating load of your home. Modern boilers offer precise temperature control and zoning capabilities.
  • Tubing: High-quality PEX tubing is commonly used for its durability and flexibility. It’s laid within the floors to circulate warm water.
  • Thermostats: Choose programmable thermostats to regulate temperature efficiently. Smart thermostats can be controlled remotely, which allows you to warm up your home before you arrive.

Step 3: Installation

  1. Preparation: Clear the area where the hydronic system will be installed. This might involve removing old flooring.
  2. Tubing Installation: The PEX tubing is installed in a serpentine pattern across the subfloor. This tubing will carry hot water to radiate heat upward.
  3. Boiler Installation: Set up the boiler in a designated area. Connect it to the tubing and the manifold, which distributes water to different zones in your home.

Step 4: Testing and Maintenance

Once the installation is complete, the system should be thoroughly tested for leaks and proper functionality. Regular maintenance, which may involve flushing the system and checking for airlocks, is essential to ensure optimal performance.


Bringing modern comfort to your old house doesn’t have to mean sacrificing its timeless character. Hydronic heating offers a seamless integration of warmth and efficiency while maintaining the aesthetics you cherish. Consult with a professional contractor to explore the possibilities of transforming your home into a cozy oasis.

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