What is radiant heat?
Radiant floor heating works by warming the floor of your home directly. The system relies on the transfer of heat from the surface of the floor to the things in the room.
There are several types of radiant heating for floors:
Radiant air floor heating. Heated air is pumped through tubes beneath the floor.
Electric radiant floor heating. Uses electric radiant heating coils built into the floor panels
Hydronic radiant floor heating. Pumps heated water through a tubing system.
Common heat sources for radiant floors include electricity, boilers (gas-fired, oil-fired, and even wood-fired), and solar water heaters. In addition to the method and source of heating, radiant floors can also use a variety of materials, including concrete floor slabs. Installers may use several different installation methods (wet vs. dry), depending on the type of flooring.
Although radiant heat plays a part in how radiant floor heating systems warm your home, they also rely on convection. Because heat rises, the heat given off by the floor naturally circulates through the room.
| National average cost range | $15 |
|---|
| Average low-end cost range | $11 |
| Average high-end cost range | $18 |
Labor and material costs are included. Source: Xactware
Material and labor costs to install heated floors:
| Labor cost | Material cost |
| National average cost | $13,535 | $4,686 |
| Average low-end cost | $10,016 | $3,468 |
| Average high-end cost | $14,889 | $5,155 |
Figures above reflect the cost of installing 1,200 square feet of radiant floor heating. Source: Xactware
Radiant floor heating cost breakdown
Several factors will impact how much you pay for radiant floor heating. These factors include:
Labor costs and service fees
Flooring installation is a skilled trade, and you should plan for contractors to charge appropriately for their labor and expertise. More complex flooring designs and customizations may increase the cost of labor.
Material and equipment costs
The most common floor covering material for a radiant heat system is ceramic tile. However, you may also consider using vinyl, linoleum, thin carpeting, or laminated wood. Some flooring materials are more expensive, while others will cost less. Naturally, homes with larger square footage will also use more flooring materials.The heating materials also vary in price. Hot water tubes in hydronic systems can use rubber, steel, or copper tubing.
Underlayment
Depending on the flooring material, your installation may involve an underlayment above the subfloor. This is a protective layer that goes beneath the flooring material. Some underlayments work better for certain flooring materials, but they may vary in price. Ask your contractor.
Insulation
Radiant floor heating systems use insulation under the heating tubes to prevent wasting heat. This forces the heat up into the room. The type of insulation and flooring may also affect the cost of materials.
Electrical considerations.
Electrical systems require access to the wiring, which can drive up the installation cost. If your home doesn’t have the right electrical fixtures, specialized electrical work may be necessary. You may need to hire an electrician for this task. Gas or fuel considerations
Hydronic systems use a boiler to heat the water that goes through tubes under the floor surface. These boilers can use electricity, natural gas, or oil.Hydronic systems are generally more energy-efficient than electrical or air systems, but they still use energy. Factor the cost of fuel into the operating cost of your floor heating.
Removing existing heating system or flooring
If you already have a heating system in place, the installation price may include the cost of removing the old system or flooring. Be sure to account for the cost of removal in your budget.
Retrofit vs. new construction
The cost of labor will also vary depending on the parameters of the installation. It tends to be more economical to install heated floors in new construction than to retrofit an existing home. It isn’t impossible to redo existing flooring with radiant heat, but it will usually be more expensive.
Location
The location of your home will also impact floor heating costs. The main reason location affects the price is because labor costs vary by state and city.Where you live also determines the cost of materials and how easily installers can transport materials and equipment to your home.
Is radiant floor heat expensive to run?
How much you spend on energy for your radiant floor heating system depends on several things. The biggest factors tend to be floor type, heating type, and the climate in your area. You can also waste some energy if your home has poor insulation.
If your floor uses a material that insulates, such as carpet, the system won’t run as efficiently. An electric system will almost certainly increase your energy consumption compared to other heating methods. A hydronic system, however, can actually be less expensive to operate than a traditional furnace. Is radiant heat cheaper than baseboard heating?
Baseboard heating is usually more affordable than radiant floor heating.However, radiant floor heating is often a more efficient heating method than baseboard or central heating. Because floor heating doesn’t use air ducts, it tends to waste less heat than other heating systems.
How to save money when installing heated floors.
For homeowners with a set budget, it’s crucial to keep the cost of installing radiant floor heating as low as possible. Here are a few strategies you can use to save money on the installation:
Get more than one quote. Compare estimates from multiple companies to ensure you get the best price.
Electric vs. hydronic. While electric panels may be less expensive to install, hydronic panels may save money in the long run. According to the Department of Energy, "Hydronic (liquid) systems are the most popular and cost-effective radiant heating systems for heating-dominated climates." Use existing flooring. In some situations, you may be able to reduce the cost of installation by using the flooring materials already in place. Talk to your contractor to find out if they can retrofit your existing floors with radiant heating — or if they recommend you lay down new tile (or another type of covering).
Choose heating zones strategically. Instead of installing panels under every square foot of floor, talk to your contractor about spreading out the panels to heat your entire home without wasting energy.
Keep up with maintenance. You should consider the long-term and operating costs before deciding to install heated floors. Avoid costly repairs by hiring a professional to inspect your system regularly.