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5 Surefire Signs It’s Time to Replace Your Old Boiler or Furnace

Is it time to replace your old boiler?

When winter rolls in, keeping your home warm and comfortable quickly becomes the top priority.

However, if your furnace or boiler is older, you may find it difficult to maintain comfortable temperatures inside your house.

At Metro Heating and Cooling, our experienced technicians want to help, whether your old boiler need repairing  or you need to replace your old boiler.

Here are a few surefire signs it’s time to replace your old boiler.

You’ve Noticed an Increase in Your Heating Costs

Heating systems are designed to keep your home comfortable as efficiently as possible and, while a slight increase in energy costs should be expected, it shouldn’t be extreme.

If you notice that your heating costs are higher than they were the previous year, it could indicate that your furnace is due for a replacement.

Remember, newer units are designed to use less energy than old boilers, and the savings on your energy bills may be enough to offset the cost of installing a new unit.

Repairs are Almost Constant

While it’s possible to keep an old boiler or furnace running for years, it’s not always the best option.

If you’re calling your repair technician every month or so to fix a new problem, it may be best to install a new furnace.

The last thing you want is for your furnace to break right when a winter storm rolls in.

Scheduling a boiler and furnace installation before winter is in full swing will help you reduce the risk of going without heat.

The System is Over 15 Years Old

Like any major appliance, your furnace and home heating system will eventually need to be replaced.

Most units, with regular care and maintenance, last around 15 years. If you’ve had the same system running or can’t remember the last time you scheduled a boiler and furnace installation, it’s likely time to upgrade.

At Metro Heating and Cooling, we’ll inspect your old boiler for signs of age and wear and advise you on the most budget-friendly solution for your home.

There are Strange Noises Coming from the Furnace

Most furnaces make some degree of noise when they turn on. However, if you hear loud clanking, banging, or rattling coming from your furnace, it may be time for a replacement.

These noises often indicate that the pressure inside the unit is no longer at optimal levels, impacting the overall performance of your home heating system.

You Smell Gas Around the Boiler

Gas is a reliable fuel source for home heat systems, but it’s not without its hazards.

If you smell gas around your boiler or furnace, it’s likely that you have a slow leak somewhere in the system.

Keep in mind that even a small leak is incredibly dangerous and should be addressed by an experienced technician as soon as possible.

However, old boilers often cannot be repaired completely and it’s best to simply schedule a boiler and furnace installation to upgrade your home’s heating system.


If you’re concerned about the condition of your heating system or are ready to upgrade from your old boiler to a new furnace installation with our technicians, don’t wait any longer.

Contact Us at (651) 294-7798  and let our team get your home ready for winter.

Schedule a HVAC repair anywhere in the Minneapolis or St. Paul area today by calling (651) 294-7798 or by requesting an estimate online.


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1220 Cope Avenue East, Maplewood, MN 55109