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CostHelper > Home and Garden  > Electrical, HVAC & Energy Efficiency > Boiler

Boiler Cost


How Much Does a Boiler Cost?

 
low costStandard Gas Boiler: $2,500-$5,000average costStandard Oil Boiler: $3,000-$6,500high costHigh-Efficiency Boiler: $6,000-$9,000+
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Unlike a furnace that heats and distributes air, a boiler heats and distributes water, sending it through pipes as steam to radiators, or as hot water to baseboard heaters, radiant floor systems, snowmelt systems, pool heaters or to a fan coil unit that then heats air. Boilers are typically fueled by gas or oil.

Typical costs:

  • Installing a standard boiler (80%-85% annual fuel utilization efficiency) typically costs about $2,500-$5,000 for a gas-fired model and $3,000-$6,500 for an oil-fired unit (generally used in areas without municipal gas lines). CostHelper readers report paying $3,650-$7,800 for a replacement boiler, including installation, at an average cost of $5,150.
  • Installing a high-efficiency boiler (90%-99% AFUE for gas, 90% for oil) typically costs about $6,000-$9,000 or more for either gas or oil models, depending on: the AFUE (amount of fuel converted into usable heat) rating; convenience features like an electronic timer or a weather compensator that prevents the unit from operating on warmer days; or whether it's a "combi" model that uses both a conventional boiler supplying heat to radiators and a water heater in one compact unit.
  • Replacing an old oil-fired boiler with a gas model can cost thousands of dollars more than replacing one oil-fired unit with another, because of the need to install new gas lines and to update the existing fittings, valves, piping system and other parts to work with the new boiler. For example, a property owner[1] in Spokane, WA, was quoted $7,387 to replace a failing 20-year-old oil-fired boiler with a standard-efficiency gas unit, or $11,669 for a high-efficiency gas boiler.
Related articles: Central Heating, Radiant Floor Heating

What should be included:
  • Installing a replacement boiler can take up to a week or more, and complications could leave the household without heat overnight. Estimates should include removing and disposing of the old unit, as well as all required piping, re-wiring, fittings or other needed parts or repairs.
  • A heating system with too much or too little capacity will not run properly and make the home uncomfortable. The contractor should calculate the actual need.
  • Do-it-yourself boiler installation is typically not recommended, and many local building codes require that the installation be done or at least signed off by a licensed contractor.
Additional costs:
  • A building/mechanical permit is usually required to replace a boiler. Fees are typically about $50-$300, but can cost more in some locations. Many contractors include getting the proper permits and inspections as part of the installation process, but might bill for these fees separately.
  • Replacing aging, leaking or inadequate ductwork typically costs about $35-$55 a linear foot for labor and materials, or $1,000 -$5,000 or more for a single-family home, depending on the length and type of ducts.
  • Older ductwork might contain asbestos, creating unpredictable additional costs for asbestos removal.
  • Removing an old fuel oil tank from the basement can cost $500-$1,500 or more depending on the complexity; removing an abandoned underground oil tank starts around $1,500-$3,000 or more, depending on complexity.
Discounts:
  • Check whether there are low-cost loans, rebates or tax credits available for installing an energy-efficient boiler. The Database of State Incentives for Renewables & Energy Efficiency keeps track of energy-efficiency incentives[2] from utilities and from local, state and federal agencies.
  • A new boiler might not be needed or it might be possible to buy a smaller (and less expensive) unit if the overall energy efficiency of the house is improved by projects such as finding and sealing any air leaks, adding insulation or upgrading/replacing inefficient doors and windows. The American Council for an Energy-Efficient Economy offers detailed guidelines[3] to improve overall household energy efficiency.
Shopping for a boiler:
  • The American Council for an Energy-Efficient Economy has guidelines for deciding when to replace[4] an old heating system, and the Environmental Protection Agency lists tips for hiring a heating and cooling contractor[5] .
  • Referrals are available from the North American Technician Excellence certification program[6] and the Air Conditioning Contractors of America[7] .
  • Request and check references; ask about length and type of experience; and be sure they are properly bonded, insured and licensed[8] . Check for complaints with the Better Business Bureau[9] .
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What People Are Paying - Recent Comments
beware quietside boiler
Amount: $2,900.00
Posted by: wanted to believe what I was told. in Fraser, CO.Posted: November 15th, 2013 09:11PM
Gas or Oil: GasBrand:
Model: QV9Installer:
I purchased a new build condo, and the bonus was the high efficiency water/in floor heat system. Biggest load of BS I have ever been fed. THE BOILER SUCKS and its now toast/wish it could have failed to this extreme ealier. Quoted $6000 for new? FU!!
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gas boiler replacement
Amount: $0.00
Posted by: A. R. B. in Coatesville, PA.Posted: October 31st, 2013 07:10PM
Gas or Oil: GASBrand: weil mclain
I'm getting quotes from $12,500 down to $3900.
All are saying basically same installation methods.
Don't know how to make a decision. Why is there such a disparity in pricing?
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125,000 BTU oil fired boiler estimate
Amount: $5,750.00
Posted by: a user in Vernon, CT.Posted: January 29th, 2013 11:01AM
Gas or Oil: OilBrand: Lennox
Just received a quote of $5,700 (boiler, parts and labor) to install a Lennox new boiler with a tankless water heater coil. I called a local company to check the specs on the boiler and found out it is a $2,000 boiler. $3K-plus for removal and installation seems a bit excessive for a 7 hour job!
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Oil boiler estimate from Sears
Amount: $11,250.00
Posted by: N Geoffrey in Levittown, NY.Posted: December 1st, 2012 05:12PM
Gas or Oil: OilBrand: Sears
Model: Installer: Sears
Just got an estimate of 11250 to install a 17500 btu oil boiler! What a ripoff
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Replaced 41 year old Bryant boiler with Bryant Energy Star Boiler
Amount: $7,500.00
Posted by: Indiana homeowner in Frankfort, IN.Posted: August 28th, 2012 11:08AM
We replaced a 41 year old Bryant operating cast-iron hot water boiler with a larger size Bryant Energy Star boiler, condensate type. The old system struggled to heat the zone with copper baseboard radiators, but was good for zone with the large old cast iron radiators. The new boiler heats all zones well, runs less, and reduced gas usage by about 30% per year, allowing for year-to year temperature variations. Other than 2 leaks due to loose fittings by the manufacturer that were repaired under warantee, and change to a larger expansion tank, the the installation went well. We were very pleased with the results, and the sealed system for combustion and exhaust air, have reduced drafts in a large older home.
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replaced 20 yr old boiler
Amount: $7,800.00
Posted by: a user in Acton, MA.Posted: July 5th, 2012 12:07PM
95% efficient lochinvir include all piping, fitting ... got 1500 tax rebate, so total is 6300
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replaced 10 yr old + boiler
Amount: $3,300.00
Posted by: Suzmom in AIRMONT, NY.Posted: March 27th, 2012 09:03AM
burned itself out. was spitting carbon monoxide. 2 days to replace, new fittings, piping, etc. removed old boiler from house, left in driveway for garbage removal. Pennco model, utility co inspector was impressed with carbon monoxide reading of 0-1.
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boiler and water heater replaced
Amount: $4,800.00
Posted by: dee d in east hartford, CT.Posted: March 1st, 2011 06:03PM
Replace 45 year old boiler the new one is very quiet.Made by carrier hope gas bill alot cheaper
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Get several estimates
Amount: $200.00
Posted by: Jeff Pusateri in Avalon, PA.Posted: January 10th, 2011 10:01AM
After the boiler stopped functioning we called a heating/cooling company to see what was wrong. They determined that due to the age of the boiler is was not repairable and were prepared to give us an estimate for replacement. I called another plumbing company and they arrived and replaced the thermocoupler and the boiler is now functioning.
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re-pipe boiler, installation
Amount: $4,000.00
Posted by: AnneZ in Detroit, MI.Posted: December 8th, 2010 06:12AM
Price is to include near boiler piping, re-wiring, 7 steam vents with controls, auto water feed, connect water feed to hot water, re-pitch pipes, thermostat, chimney liner, gas vent to chimney with an auto chimney vent to keep heat in the house, re-connect to gas line, etc.
My boiler is a mess and was not piped in properly. As a result, I did not get heat to some rooms, the water did not drain properly back to the boiler and the gas bill for keeping my heat at 68F was pretty high. I am assured the re-pipe will make my gas usage more efficient. I had other estimates at a much lower price, but they never showed after they were approved for a grant. I ended up calling Reckingers. They are much higher than the other guys, but they will do the job right and save me money in the long run. Plus, I do believe they will show up to do the job.
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broken boilers
Amount: $5,000.00
Posted by: carlos quiroha in allentown, PA.Posted: November 2nd, 2010 10:11AM
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boiler installation
Amount: $3,650.00
Posted by: msmerc in wilkes-barre, PA.Posted: December 30th, 2009 08:12AM
I know its after the fact, but was this a good price for my boiler?

the above price included removal of boiler, installing an automatic water feeder and vents, all gas and elec supplies,return piping,header piping,venting,control wiring and t-stat.labor and taxes 10 yr warranty on boiler castings,2 yrs on other parts and 1 year labor. peerless gas fire steamed boiler model 63 038TDG SP, 118,000 BTU INPUT
Thanks
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External Resources:
  1.  www.diychatroom.com/f17/boiler-installation-am-i-being-gouged-36914/
  2.  www.dsireusa.org/
  3.  www.aceee.org/consumer/building-envelope#audit
  4.  www.aceee.org/consumer/heating
  5.  www.energystar.gov/index.cfm?c=heat_cool.pr_contractors_10tips
  6.  www.hvacradvice.com/
  7.  www.acca.org/consumer/find-a-contractor/
  8.  www.contractors-license.org/
  9.  www.bbb.org/us/Find-Business-Reviews/
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