Connecticut winters put heating systems through some strain, and eventually every furnace or boiler reaches the point where repairs no longer make sense. The challenge is knowing when the point has arrived, since most systems don’t fail all at once.
A professional HVAC technician knows which signs point to more repairs and which point to replacement. Having a trusted company you can call is critical to ensuring your family’s comfort year-round. Below are the signs they look for when advising clients about the lifespan of a heating system.
Clues That Indicate Replacement
Replacing a heating system is a major decision. Understanding the age, condition, and level of fuel efficiency of major components are important data points that aid in coming to a conclusion. In addition, tallying up the ongoing costs of repairs over several years can also tip the scales of choice toward necessity.
Most gas furnaces are built to last 15 to 20 years, and boilers fall in a similar range. Cast iron boilers are an exception, often running for 30 years or more, but their efficiency lags well behind modern condensing models, so replacing an older boiler may still be the right option even if it hasn’t failed completely. In general, a system that is over 15 years old and frequently breaks down is the strongest indication that replacement is necessary.
The data plate on your furnace can provide information about the system’s age, through the model and serial number.
Watch the Repair Bills, Not Just the Calendar
The age of your heating system is a major component of your decision but shouldn’t be the only one. A well maintained system can run smoothly for many more than 15 years, while a neglected system can fail early. A common rule of thumb is that if a single repair will cost 30 to 50 percent of what a new system costs, replacement is most often the better option. Once a homeowner starts requiring frequent service calls, the total burden of costs and frustration can be overwhelming, but a clear cost comparison will provide clarity.
How The Efficiency Gap Adds Up
A furnace that’s working inconsistently between service calls may be costing more to run than a new one would. Older, non-condensing systems typically operate below 70 percent efficiency while modern, high-efficiency condensing furnaces and boilers can be 95 percent efficient. That gap means a significant share of every dollar spent on fuel for an aging system is lost rather than turned into heat for the home. This adds up over a long Connecticut winter.
Warning Signs Beyond Age
Prompt attention is required when certain symptoms arise:
- A yellow or flickering burner flame
- Soot build-up
- A persistent burning smell
These signs indicate incomplete combustion of the fuel, which can result in a potentially deadly carbon monoxide risk.
Other clues that signal an aging and inefficient heating system are:
- Energy bills that are going up without a corresponding change in usage
- Uneven heating from room to room
- New or louder noises like banging, screeching, or rattling
When water pools near the boiler unit or corrosion appears on the tank, these are indicators of a failing tank. This is a problem that can’t be patched and requires replacement before the system completely fails.
A Connecticut Incentive to Know About
Connecticut homeowners considering a heating system replacement may find some help in the Energize Connecticut program that provides rebates on qualifying high-efficiency natural gas furnaces and boilers. Homeowners who convert their heating systems from oil, propane, or electric resistance heat to an air-source heat pump are also eligible for incentives.
To qualify, an energy audit is usually necessary. Installation must be completed by a contractor in the approved network.
Among the EnergizeCT approved furnace and boiler replacement companies is Unified Home Solutions. Call for a consultation for an evaluation that will determine if the best option is additional repairs or complete system replacement.