IS YOUR FURNACE SHORT-CYCLING?
Does it seem like your furnace is constantly running, ceaselessly starting and stopping? It may actually be a fairly typical furnace issue called “short cycling”. Short cycling is when your furnace starts and stops too rapidly and too frequently. Although short cycling is more often an issue that is correlated with air conditioners, furnaces can also be affected by it as well, and for like reasons.
HVAC Philly, Philadelphia’s heating repair experts, gives three main reasons why your furnace might be short cycling, and ways to fix it.
A Case Of Too Big For Your Space
In the case that you recently installed a brand new furnace and are running into short cycling right away, it may be very upsetting. Short cycling can be caused by a furnace that too large and strong for your heating area. That type of error will cost you more than you expected in the long run.
All homeowners want their furnace to heat up their rooms rapidly, but most importantly, they would choose to warm up there areas in the most efficient AND that they heat spaces in a cost-effective way. This is the reason that it is necessary for the HVAC professional that is installing the furnace to accurately match the space to the size of the furnace. If your furnace is too big, it will excessively use energy as it’s heating your home. The overwhelming use of power will lead to the heat not getting properly distributed throughout your home, and create the short cycling process of turning off and on after short intervals.
There are several reasons why this is not great news. When your furnace short cycles it runs up your monthly energy bills, but it also puts a lot of overuse on your HVAC fan. This will mean having to service or replace the fan way sooner than you’d expect, and at the same time paying more money on your energy bill for an inefficient system. If you are unsure if your furnace is short cycling because of a furnace that is too large contact one of our HVAC Philly top technicians to help assess your space.
Your Furnace Is Producing Too Much Heat
There may be a possibility that your furnace is shutting itself down too soon to safeguard itself from suffering damage from overheating. If a furnace overheats, it can generate cracks in the heat exchanger, and that can be devastatingly severe. Cracked heat exchangers can cause carbon monoxide to leak into your home, producing an urgent risk to life. Frequent overheating can add to the risk of cracks even when the furnace short cycles to save itself, so it is vital to call in the professionals if you think this might be happening.
Overheating most often comes from restricted airflow, which can keep hot air in the area closest to the heat exchanger. The culprit could be a dirty air filter, blocked interior vents or even a blocked exhaust vent on the roof. If you are not positive where the problem is coming from, a licensed HVAC technician can help find the exact cause.
A Malfunctioning Thermostat
Your furnace goes off of the direction of your thermostat and if your thermostat should malfunction it can lead to a host of issues. For one, your furnace might start short cycling, or stay on all the time and even refuse to start altogether. If you suspect the issue lies within your thermostat, an experienced HVAC professional can tell you definitively.
Even if your thermostat is perfectly in tact and working, it could still cause short cycling if it is improperly installed close to a large heat source, like a stove or a large sun-facing window. This might deceive the thermostat into reading the temperature in the home as too hot, which can kick-start a series of short cycles.
Short cycling increases physical wear on your HVAC system and sucks up energy, adding more cost than necessary. If you’re having a hard time getting this problem in check contact us at HVAC Philly today.
Looking for a service team with the skills and training to bring you reliable heating repair? We’ve been offering leading heating services for over 20 years, so call us now or contact us online to schedule service!
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