A room temperature lower than the thermostat setting usually indicates a heating system failure, a draft, or an incorrect thermostat reading. To troubleshoot this, check that your air filter isn't clogged, ensure the thermostat isn't placed near a drafty window, and verify your system is actively in "Heat" mode.
Your AC thermostat reading differs from the actual room temperature because of several factors including thermostat location, calibration issues, or sensor problems. This temperature difference happens in many homes and can make rooms feel too hot or too cold.
If the thermostat is set to a comfortable, toasty temperature, but it's still cold inside, several issues could be the cause. If your house feels colder than the thermostat setting or feels drafty and cold, it could be a problem with the insulation, air leaks, or the HVAC system.
Top 5 tips for solving uneven temperature in house:
No, 68°F is not generally considered cold for a house in winter. In fact, experts at the U.S. Department of Energy recommend 68°F as the ideal, energy-efficient temperature for the winter months while you are awake.
Keep your thermostat set to a minimum of 55°F (13°C) to keep your pipes from freezing. If you are leaving the house for an extended period, maintain this temperature to ensure heat reaches the walls where pipes are located.
If you're cold even though your thermostat indicates you shouldn't be, your furnace likely isn't the problem. In most cases, it's working just fine. It's your home that needs attention. Lack of insulation, severe air leakage, and/or unbalanced ductwork are frequently to blame.
Sleeping in a cold room isn't bad—in fact, experts recommend it. Maintaining a bedroom temperature between 60°F and 67°F (15°C to 19°C) helps lower your core body temperature, which signals your brain to sleep, boosts melatonin production, and results in deeper, more restorative rest.
A bad or failing thermostat can trigger several noticeable issues depending on whether it gets stuck open, stuck closed, or operates erratically. Key symptoms include an overheating engine, fluctuating dashboard temperature readings, poor cabin heating, a check engine light, and potential coolant leaks.
It takes time for your home to warm up and cool down. If you're not sure how long it takes, try turning the heating on about 30 minutes before you need it. You should turn it off 30 minutes before you'll stop needing it.
5 Warning Signs It's Time for Furnace Replacement
Even mildly cool indoor temperatures of 60 degrees to 65 degrees F for an extended period of time can trigger hypothermia. Infants and the elderly are particularly at risk of hypothermia.
When your thermostat is set to 73°F but reads 78°F, your system is struggling to keep up with the heat or is misreading the ambient air. To get your home back to a comfortable temperature, you can easily troubleshoot a few common culprits.
Calibrating your thermostat ensures your HVAC system heats or cools to the actual temperature you want. You can do this by following a simple process of measuring, confirming, and adjusting.
A failing thermostat usually shows clear signs: the HVAC or engine behaves erratically, the screen is blank, or the temperature in your home/car does not match the settings.
Average Lifespan of a Thermostat
With a straightforward design and basic scheduling features, they are reliable workhorses that can last 10 to 15 years with proper care. Routine programming updates and occasional recalibrations go a long way toward keeping them accurate and extending their usefulness.
Replacement of thermostat unit
Upgrading to a new thermostat (unit + installation) typically runs $140 to $350, depending on model and complexity. There is also a broader range—$80 to $440—with variations based on location and type of thermostat.
It is generally better to sleep in a cold room. Experts recommend keeping the bedroom thermostat between 60∘F60 raised to the composed with power F𝟔𝟎∘𝐅 and 67∘F67 raised to the composed with power F𝟔𝟕∘𝐅 (15.6∘C15.6 raised to the composed with power C15.6∘C to 19.4∘C19.4 raised to the composed with power C19.4∘C).
Experts generally recommend setting your house between 60∘F60 raised to the composed with power F𝟔𝟎∘𝐅 and 67∘F67 raised to the composed with power F𝟔𝟕∘𝐅 at night. This cool range mimics the natural drop in your body’s core temperature, which triggers melatonin production, prevents fitful sleep, and helps you fall asleep faster.
Japanese sleeping techniques combine minimalist bedding, mindful breathing, and short restorative naps to improve sleep quality. The three most popular practices include the Shikibuton floor-sleeping system, the 4-7-8 breathing method, and the art of daytime power-napping, known as Inemuri.
While 67°F is on the cooler side, it is generally not considered dangerously cold. Major energy and health organizations typically recommend indoor winter temperatures between 68°F and 72°F, making 67°F a common setting for saving on heating bills.
How can you tell if a thermostat is bad?
Circulatory problems, diabetes, arthritis and mental health issues can be made worse by living in a cold home. And people with respiratory conditions like asthma are also at risk, particularly if their home is damp and mouldy, which is often the case in under-heated, poorly ventilated homes.