Heating · Nationwide
Boiler and radiant heating service
Hydronic systems heat water and pump it through floor tubing, baseboard or radiators. Common problems are low system pressure, air in the lines, a failed circulator pump or zone valve, and scale from hard water. A tech who works on hydronics can diagnose each loop.
- Same-day appointments when available
- Licensed HVAC contractors
- Written price before any repair
Boilers are common in the Northeast and older Midwest cities such as Boston, New York, Chicago and Philadelphia, and in mountain homes with radiant floors. Steam systems are still found in many pre-war apartment buildings.
Because not every HVAC company services hydronic systems, it helps to say up front that you have a boiler, and its brand, so the right tech is sent.
Boiler & Radiant Heat at a glance
- Category
- Heating
- Service area
- Nationwide
- Typical visit
- System check → Controls → Combustion → Repair and purge
- Urgent help
- Scheduled service
Symptoms
Signs you need boiler & radiant heat
- Some zones cold while others heat
- Gurgling in pipes
- Pressure gauge below 12 psi or above 25 psi
- Relief valve dripping
- Boiler short cycling
Process
How the visit works
- 1
System check
Pressure, expansion tank, air vents and circulators.
- 2
Controls
Thermostats, zone valves, aquastat and outdoor reset.
- 3
Combustion
Burner cleaning and CO testing.
- 4
Repair and purge
Replace parts, purge air, and balance zones.
Cost
What affects the price
Every contractor sets their own prices. These are the things that move the number. Ask for a written price before work starts.
- Boiler type (cast iron, mod-con, combi)
- Number of zones
- Parts availability for older brands
Before the tech arrives
What you can safely do
Safe to try
- Note pressure and temperature readings
- Bleed baseboard radiators with a key
Stop and call
- Don't drain or refill a boiler without knowing the system
- Don't cap a dripping relief valve
FAQ
Boiler & Radiant Heat questions
Can radiant floors be added to a forced-air home?+
Yes, often in a remodel of one area, such as a bathroom or basement, using electric mats or a small hydronic loop.
Boiler & Radiant Heat city guides
Boiler & Radiant Heat by state
Related
Related services
Need heating or cooling help now?
Call to be connected with a licensed HVAC contractor serving your ZIP code, or send a request online.