The installation costs of hydronic heating under the floor typically range from $10 to $20 per square foot, depending on materials and labor in your area.
Hydronic underfloor heating provides luxurious warmth and energy efficiency. But how much does it cost to install? This guide breaks down pricing, factors affecting costs, and ways to save.
Hydronic Underfloor Heating Cost Overview
The average cost for hydronic radiant floor heating ranges from $10–$20 per square foot installed. For a typical 1,500 sq ft home, expect to pay $15,000–$30,000 for a whole-house system.
| System Type | Cost per Sq Ft | Typical Room Cost |
|---|---|---|
| Hydronic (whole house) | $10–$20 | $15,000–$30,000 |
| Hydronic (single room) | $12–$25 | $1,200–$3,000 |
| Electric (comparison) | $8–$15 | $800–$2,000 |
Why Hydronic Costs More Than Electric
Hydronic systems require:
- Boiler or water heater ($1,500–$5,000)
- PEX tubing network ($0.50–$2 per foot)
- Manifolds and pumps ($500–$2,000)
- More complex installation (2–3 weeks labor)
Key Cost Factors
1. Home Size and Layout
Larger homes spread fixed costs (like boilers) over more area. Open floor plans are 10–15% cheaper to heat than homes with many small rooms.
2. Floor Construction
Concrete slabs (best thermal mass) cost $6–$10/sq ft to install. Wood subfloors require aluminum heat spreaders, adding $2–$4/sq ft.
3. Heat Source
- Standard boiler: $3,000–$6,000
- High-efficiency mod-con boiler: $6,000–$12,000
- Heat pump water heater: $4,000–$8,000
4. Labor Costs
Professional installation runs $75–$150/hour. A whole-house system takes 150–300 hours (2–3 weeks). Some homeowners save by installing PEX tubing themselves and hiring pros for boiler hookup.
Operating Costs
Hydronic systems cost $1–$3/day to operate, 25–40% less than forced-air systems. Pairing with a smart thermostat can save another 10–15%.
Long-Term Value
Hydronic systems last 30–50 years (vs. 15–20 for furnaces). They can increase home value by 3–5% and are prized in cold climates.
Cost-Saving Tips
- Install during new construction or major renovation
- Start with high-use areas (bathrooms, kitchen)
- Use a hybrid system (hydronic main floor + electric upstairs)
- Consider DIY-friendly systems for small areas
For accurate pricing, get 3–4 quotes from certified installers in your area. Prices vary by region due to labor rates and climate demands.
