Thermostat

Yes, depending on the type of thermostat you buy. Both smart and programmable thermostats make it easy to adjust your home's temperature so you're not blasting the heat or air conditioning when you don't need it. 

While these thermostat types cost more upfront than manual and non-programmable thermostats, they can save you as much as $180 per year on your energy bills. 

Additionally, some states, like California and Florida, have pilot programs that allow smart thermostats to receive wireless signals from utility companies. These signals allow the thermostat to adjust the temperature according to the price of electricity at various times per day, which can make the long-term savings of smart thermostats worth the initial cost.

No, not all thermostats require a C-wire. Older manual and programmable thermostats typically do not need one. While many smart thermostats do require a C-wire to function correctly, some models can operate without one, often at the expense of certain features. A C-wire provides a constant source of power, which enables the thermostat to stay connected to Wi-Fi and keep its display screen lit on-demand. If you are upgrading from an older thermostat to a smart model that requires a C-wire, you may need to install one first for it to work as intended.

Yes, HVAC zoning is generally considered worth the investment by both experts and homeowners. Zoned systems offer significant benefits in convenience, efficiency, and comfort by allowing you to set different temperatures for various rooms or 'zones' in your house. This ability to heat and cool only the spaces you're using leads to energy savings and lower utility bills. Zoned systems are especially effective in multi-level homes that experience temperature fluctuations, but even smaller homes can benefit from the ability to adjust temperatures more quickly. While the up-front installation cost can be high, many find it's a worthwhile long-term investment, particularly for those who plan to stay in their home for a while.

A C-wire is typically blue, but don’t rely on colors to find which wire is which when it comes to thermostat wires. The C-wire may also be black, brown, or purple. Instead, if you’re looking for the C-wire, look at the thermostat panel for a wire connecting to “terminal C,” or call in a pro to help you look for a C-wire.

When you have a freezer not freezing your food, excess frost is probably not the cause. However, if the thermostat in the freezer is not holding the compartment at the proper temperature, you could see frost buildup as a symptom. A damaged or dirty gasket that does not properly seal the freezer door could also cause items to thaw and lead to excess frost. Seek help from a professional for repair work.