There are many energy efficient HVAC systems on the market today, and they all have their pluses and minuses. Some of the most common include:

• A furnace with a variable speed blower. These are commonly found in older homes that were built before 1980 and haven’t been updated since then. They’re also more likely to be found in smaller homes where there isn’t much space between rooms or walls (think apartments). The benefit of this type of system is its low cost, but it requires frequent maintenance to keep it running properly.
• A furnace with a scroll compressor. Scroll compressors tend to last longer than other types of compressors because they use fewer moving parts (which makes them less likely to break down). They’re also quieter than other types! However, scroll compressors can be bulky so if you have limited space then this might not be ideal for your home either 🙂 .
• A gas valve that’s electronically controlled rather than manually operated (also known as “manual reset”). It’s just one less thing to worry about! Plus these systems tend not overheat either which saves money over time too.”

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A yearly HVAC inspection can help you avoid costly repairs. For example, say the heat stops working in the dead of winter and it’s too cold to live without heat, but you don’t have time to wait for a service call. A technician can usually be out within a few hours—plenty of time before hypothermia sets in! Or perhaps your air conditioner decides to go on strike during the hottest summer on record. With an annual inspection and tune-up, we would have been able to find these issues before they happened and fix them before they became big problems.

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You’ve been trying to get your furnace working, but it’s still blowing out cold air. It might seem like a simple fix, but there are actually several common reasons why a furnace would start blowing out cool air instead of warm air. Here are some things that could cause this problem:

• Your thermostat might be set on “cool” instead of “heat.” If this is the case, you’ll need to reset it before your furnace will start blowing warm air.
• Your furnace may be in an emergency heat situation. You can tell by touching your vent and feeling whether it’s warm or cold. If it’s cold and the power has been out for a while, you might consider calling a professional to check things out since there could be bigger problems at play here that require immediate attention.
• Your circuit breaker or fuse could have tripped due to too much heat coming through at once—or there might just be too much electricity running through your system at once (this can happen if more than one appliance is plugged into one outlet). To figure out which one caused this problem, go through each outlet in your house and unplug everything except for what’s absolutely necessary until only one thing remains plugged in; then try turning on your furnace again!

Click here to read more about why your furnace is blowing out cold air.