Right-sized · High-efficiency · Financing available
Boiler replacement done right-sized, not like-for-like.
New high-efficiency boilers across Utah and the Wasatch Front. Real heat-loss calculations, modulating-condensing options, financing on qualifying installs. Built to last 20+ years and run efficiently doing it.
AFUE 95%+ condensing optionsFinancing on qualifying installs2-yr workmanship warrantyFull manufacturer parts coverage
Signs your boiler should be replaced, not repaired
Most boilers tell you when they're done. The question is whether the next repair is worth the money — or whether you're throwing good cash after a failing system. Here's the honest checklist we use on every quote:
Age past expected lifespanAtmospheric cast iron over 30 years, mod-con condensing over 15.
Visible heat exchanger crack or leakCast iron section split or condensing HX failure. Usually the end.
Repair quote > 50% of replacementPour money into a new system, not a dying one.
Repeated repairs in one seasonTwo or three calls inside 18 months means more are coming.
Climbing gas billsWithout rate increases, this means efficiency loss — often irreversible.
Uneven heat / can't keep upBoiler runs constantly and the house still feels cold during a cold snap.
Sooty or yellow flameCombustion issue. Often safety-related. Sometimes terminal.
Parts no longer madeFor some 70s–80s models, sourcing one part can take weeks.
The right replacement isn't always like-for-like
When the original boiler was installed — often 25 or more years ago — sizing was done with rules of thumb. The result is that a huge percentage of Utah boilers are oversized by 30–50%. Replacing a 200,000 BTU oversized unit with another 200,000 BTU unit perpetuates the same problem: short-cycling, wasted gas, premature wear.
What changes on a modern replacement:
1. We run a real heat-loss calculation
Before we quote a unit, we calculate the actual heat load of the house at Utah's design temperature — typically 7°F in Salt Lake, colder in Park City and Heber. That gives us the BTU the boiler actually needs to deliver. Often it's 60–70% of the old unit's rating.
2. We discuss boiler type, not just size
Atmospheric boilers (chimney-vented, 80% AFUE) are still made and still appropriate for some installs. Condensing mod-con boilers (PVC-vented, 95%+ AFUE) save 15–20% on gas across Utah's long heating season but cost more up front and need different venting. Combi boilers replace both a boiler and water heater. The right choice depends on your home, your fuel cost, and how long you'll own the place.
3. We don't push the most expensive option
A premium German mod-con might be the right answer for a 6,000 sq ft custom home in Park City with radiant and snow-melt. It's massive overkill for a 1,400 sq ft ranch in West Jordan with baseboard. We size for the house.
"We say no to oversizing. Period. It costs you up front and it costs you every winter for 20 years."
How we approach a boiler replacement
In-home assessment
We come look at the existing system — boiler, piping, venting, gas service, water condition, controls. Roughly 60–90 minutes.
Sizing & selection
Heat-loss calc. System audit. We come back with two or three options and explain the trade-offs openly: up-front cost, operating cost, lifespan, warranty.
Honest quote
Everything in writing — equipment, labor, venting, gas line work, condensate, controls, permits. No "miscellaneous" line items.
Install & commission
Permits pulled. Old unit removed. New unit installed, plumbed, vented, gas-pressure verified. Combustion analyzed and tuned. Outdoor reset configured.
Boiler replacement cost in Utah
Real 2026 ranges for the most common replacement scenarios. Final pricing depends on the home, the unit, and what the existing piping looks like. We quote everything in writing before any work begins.
Chimney liner (when required)Stainless flexible, sized to unit+$1,400–$2,400
Gas line upsize (when required)For larger mod-cons+$600–$1,800
Financing on qualifying installs typically runs $120–$280/month depending on system and term. For most homeowners, monthly financing payments are less than the gas-bill savings the new boiler provides.
Brands we install
We're brand-agnostic — we install whatever's right for your house, your budget, and your service expectations. The brands we install most often:
A new high-efficiency residential boiler installed in Utah typically runs $7,500 to $14,000 depending on size, brand, and whether the venting and piping need updates. Combi boilers replacing both a boiler and water heater run $9,000 to $16,000. Large luxury systems with radiant zones and indirect tanks can run $18,000 to $30,000+.
A like-for-like swap is typically a one-day job. A conversion from atmospheric to a condensing mod-con — which involves new venting, often a new gas line size, and condensate drainage — usually takes two days. Complex installs with radiant zones or snow-melt integration can run three to four days.
A combi boiler handles space heating AND domestic hot water from a single wall-mounted unit. A conventional boiler does space heating only; hot water comes from a separate tank or an indirect-fired water tank pulling heat from the boiler. Combis save space and replace two appliances with one. Conventional setups handle larger homes and higher hot-water demand better.
In Utah's long heating season, usually yes — if the upgrade math works. Going from 80% AFUE atmospheric to 95% AFUE condensing typically saves 15–20% on heating gas. Over a 20-year boiler life that's significant. The catch is the install: you need new venting (PVC instead of metal), a condensate drain, and sometimes a larger gas line. We do the math openly before the quote.
Yes. Financing is available on qualifying applications, typically 24 to 84 month terms. Monthly payments on most boiler replacements run less than the gas-bill savings — meaning the upgrade is essentially cash-flow positive from month one. We walk through the numbers before signing anything.
Cast iron sectional boilers historically run 30–50 years. Modern condensing and combi boilers typically run 15–20 years with proper annual maintenance. The biggest factor in lifespan is water chemistry — Utah's hard water shortens heat exchanger life if not managed, which is why we install a magnetic dirt separator and address scale on every install.
If you're staying with an atmospheric or naturally-drafted boiler, sometimes — chimney liners deteriorate and a new boiler's exhaust is sized differently. If you're upgrading to a condensing mod-con, no — those vent through PVC out the wall, and the chimney is no longer used by the boiler. We assess and quote this honestly before work begins.
Dominion Energy in Utah offers rebates on high-efficiency boilers as of 2026, typically $300–$800 depending on AFUE rating and unit size. Federal tax credits under the Inflation Reduction Act may also apply to qualifying installs. We provide all the AHRI ratings and documentation you need to claim them — but we don't process the rebate for you.
Related services
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