Boiler Installation & Replacement in Sioux City
Is your boiler more than 20 years old, breaking down every winter, or driving up your fuel bills? We install high-efficiency hot water and steam boilers sized correctly for your home, backed by an honest, no-pressure assessment.
Signs It's Time to Replace, Not Repair
Every boiler reaches a point where repair costs more than it's worth. Here's how to tell when replacement is the smarter move.
System Age 20+ Years
Most boilers are built to last 15 to 20 years. Beyond that, efficiency drops and failure risk climbs, even if it's still running.
Frequent Breakdowns
Calling for a repair every season is a sign the system is failing as a whole, not just one part at a time.
Rising Fuel Bills
If your heating costs keep climbing without a change in usage, your boiler is likely losing efficiency as it ages.
Hard-to-Find Parts
Older models are often discontinued. When a part is backordered or no longer made, replacement becomes the only real option.
Boiler Types We Install
We install both hot water (hydronic) and steam boiler systems, and can work with either gas-fired or oil-fired units depending on your home's setup and fuel source. During your in-home estimate, we'll confirm which type and fuel source is right for your property before recommending equipment, so you get a system that matches how your home is actually built to be heated.
High-Efficiency Options That Pay You Back
A boiler's AFUE rating (Annual Fuel Utilization Efficiency) simply tells you how much of the fuel you pay for turns into usable heat. An older boiler might run at 65 to 75 percent AFUE, wasting a quarter or more of every dollar you spend on fuel. A modern high-efficiency boiler can run at 90 percent AFUE or higher, meaning far less waste and a noticeably lower utility bill over the life of the system.
What AFUE Means for You
The higher the AFUE percentage, the less fuel gets wasted as exhaust. We'll explain exactly what rating makes sense for your home and budget.
Savings Over Time
Upgrading from a low-efficiency boiler to a high-efficiency model often pays for a meaningful share of itself in reduced fuel costs over the years.
Proper Sizing Matters
An undersized boiler will run constantly and still struggle to keep your home warm on the coldest days. An oversized one short-cycles, wasting fuel and wearing out components faster than they should. Foulk Brothers performs a proper heat load calculation for every installation, factoring in your home's square footage, insulation, windows, and layout, so the boiler we install is sized correctly the first time, not just close enough.
What to Expect During Replacement
Replacing a boiler is a bigger job than a typical repair, but we keep it organized and predictable from start to finish.
In-Home Assessment
We evaluate your current system, your home's heat load, venting, and gas or oil supply, then walk you through your options and a clear price.
Installation Day
Most single-boiler replacements are completed in a single day. We protect your home, remove the old unit, and install and test the new system before we leave.
Final Walkthrough
Before we go, we test heat output, review the new controls with you, and answer any questions about your new system's operation.
Coordinating Gas Line Work
Some replacements call for upgrading or rerouting a gas line to properly supply a new high-efficiency unit. Because we handle both plumbing and heating, we coordinate any needed gas line work directly, so you aren't juggling two contractors. Learn more about our gas line installation services.
Financing and Rebate Options
A new boiler is a real investment, and there are often ways to offset the cost. Iowa utility providers commonly offer rebates for upgrading to a high-efficiency boiler, and financing options may be available to spread the cost over time. Ask us about current rebate programs and financing during your free estimate, we'll help you find every savings opportunity you qualify for.
Get a Free In-Home Estimate
Not sure if you need a repair or a replacement? We'll assess your system in person, give you an honest recommendation, and provide a free, no-obligation estimate for a new boiler sized right for your home.