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Installing Radiant Heat Cost

Radiant heating is a great way to improve high-end stone floors with a system that keeps them from getting too frigid in the colder months. The cost of installing radiant heat varies widely depending on the current stage of a home's completion and its size. Here are some of the factors that determine what people pay.

National Install a Radiant Heating System Costs

Cost data is based on actual project costs as reported by ImproveNet members.

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Average reported cost

based on 67 cost profiles


Minimum cost


Maximum cost

Most homeowners spent between:




National Install a Radiant Heating System Costs
Average reported cost $4,180
Number of Cost Profiles 67 cost profiles
Minimum reported cost $150
Maximum reported cost $21,000
Most homeowners spent between: $2,722 to $4,764

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Square Footage & Labor Costs

Radiant heating systems can only create so much energy per square foot. Contractors often use size as a guideline to price out installations, which cost around $840 or higher. Surprisingly, however, larger rooms might cost less if they're unfinished or already being worked on. When heating can be installed without tearing up an entire floor, homeowners usually save a significant amount of money. 

Another way to pay less than the national average of $4,112 for parts and labor is by connecting a new radiant heat system to an already existing heat source. When radiant heat pipes are tied into a water heater or functioning radiator system, material and labor costs usually decrease. 

Choosing A Technology

While many homeowners use water heater piping to create radiant heat beneath their stone and tile floors, others employ electric or air heating systems. Low-voltage systems use the same amount of energy, but they may be more expensive to operate than gas-heated water systems, depending on local fuel prices. Thin-film electric systems that convert energy to infrared heat are by far the most energy-efficient options in the long run, but they have a higher initial price point.

Electric and air heater installs may trend closer to the national reported maximum of $5,676 because these devices require transformers, flow control systems and voltage regulators. Air heating systems are often not cost effective unless they're used in larger commercial spaces that don't need as much heat-generating capacity. 

Thermostats and other devices that regulate these systems vary in cost, and some homes need an additional water boiler to generate enough hot liquid for radiant heaters and daily use. The most significant cost factor is usually whether or not the contractor will have to remove flooring to install the heating devices, making it smart to think about getting multiple estimates before finishing a building or renovation project.

Last updated on May 17, 2016

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