Central AC & Furnace Systems

AirQuest HVAC systems have long been recognized for delivering reliable performance, smart technology features like SmartSense™ and Wi-Fi compatibility, and competitive pricing. As of 2025, the AirQuest product line has been replaced by ACiQ, continuing the legacy of quality and innovation in residential heating and cooling solutions.

Heat pumps have changed the way we think about climate control in our homes and businesses. It used to be simple: air conditioners cool, furnaces heat, and that was it. But then along came the heat pump concept, and the terminology changed … slowly. Even now, there remains some confusion between the terms heat pump vs AC.

What is a heat pump?

You might have heard the term "air conditioner with a heat pump." While that's not too far off the mark, it isn't exactly correct. A heat pump is an air conditioner - an air conditioner that cools in the summer and heats in the winter. All heat pumps are air conditioners but not all air conditioners are heat pumps. Heat pumps are air conditioners configured with the ability to reverse the air conditioning process and provide heat instead of cooling. Appearance-wise there is practically no discernible difference between a standard air conditioner and a heat pump. You might be able to spot the reversing valve - a horizontal brass pipe near the coil fins that allows a heat pump to function - but that's essentially the only visible difference.

Modern air conditioning systems feel better, function better and fit better than their predecessors. The choices available to homeowners is greater than ever. Two of the most popular options with ductwork and ductless air conditioning, sometimes referred to as a mini split system. Both systems answer a lot of specific air conditioning needs and both have advantages for the homeowner. So between ductless vs central air, which system is better for your home or business? Read this article to find out.

If replacing your home or business air conditioning system ranks high on your to-do list, you should know the basics of the AC process beforehand. If you don't know what to look or ask for, you could spend thousands of dollars unnecessarily on equipment, installation and energy. You needn't rate as an expert in the subject, but a familiarity with the basics of an HVAC system can go a long way in matching your home to the type of air conditioning that suits it best. To help, we've provided an Air Conditioning for Beginner's guide. Here's what you need to know:

Furnace flue pipes may not be something you’ve thought about before, but they’re an important part of your gas furnace system. It’s good to have an understanding of what they are and why they’re important … and how they match to your furnace efficiency. A furnace flue pipe (also known as a vent pipe or simply as a flue), vents the exhaust from your furnace to the outside of your home. Furnace exhaust is dangerous and so having the right furnace exhaust pipe is important.

Now that winter is coming let us help explain the difference between AFUE & Furnace Staging. What is a multi-speed motor? What is a variable speed motor? Does this all sound complicated? It really doesn't have to be. Let us break it down so it is easy to understand.

Deciding which type of furnace you need to warm up your home is an important decision. Not only do you need a furnace that is the right size and within your budget, but also something that uses a fuel source that you prefer. In many modern homes, central heating units that run on natural gas are the most popular.

While homeowners frequently overlook them, furnace filters are essential components of any furnace system. The major functions of filters are improving air quality and helping your unit function optimally.

Climate control is necessary for a comfortable environment in any home, and we largely achieve this climate control through HVAC systems that cater to our heating and air conditioning needs. When it comes to heating and cooling of a building, there are a number of options available, but today we want to focus on furnaces and heat pumps, how they operate, and which operating conditions they are each best suited for.

With the cold season necessitating an effective way to keep your house warm, you need to decide which heating system is right for you. Heating options range from gas furnaces, electric furnaces, wood furnaces, and coal furnaces. The wide variety of options available can confound some homeowners, and in truth, no one heating solution fits all situations.

Here at HVACDirect, we are your source for the best in gas line furnace systems. With years of comprehensive experience in the heating and cooling industry, we continue to meet the furnace needs of countless home and business owners across the nation. A Goodman furnace includes highly dependable units, which ensure optimal heat for your property year-round.

Single stage furnaces have just stage of heat output: high. A single stage furnace will output 100% at all times, regardless of the temperature outside or inside the home. Imaging always driving your car at highway speeds, regardless of the recommended speed limit or road conditions. That's how a single stage furnace operates: the gas valve is either on or off.

These days you have plenty of choices when it comes to your home heating systems. Choosing a system that uses the fuel that's right for you, can save you time and money. The two most common choices for furnaces are either electric or gas powered. Which one is best, and which is right for you? Here's everything that you need to know.

A condenser heat pump and a furnace are two very common options for HVAC systems. As with other HVAC components, the core functionality of both units is to ensure that your home is at a comfortable temperature regardless of the weather outside.

Heating systems have come a long way since the fireplace and while new options and technological advances have enhanced heating efficiency, the number of available options today can make choosing a system seem daunting. During winter, there's nothing more significant than your heating system. Therefore, it's imperative you learn about the various options available. One of the most common heating systems is the furnace system, which works by blowing heated air via duct work. Here's what you should know if you decide to buy a furnace.

Ready to upgrade your home’s HVAC? This guide breaks down how air conditioners and heat pumps work, walks through their installation and operating costs, and shows which system performs best in cold, mild, or warm climates—so you can pick the most efficient solution for your comfort and budget.

When choosing between a single-stage and two-stage condenser, it comes down to comfort, efficiency, and long-term value. A single-stage condenser operates at full capacity only—turning on and off frequently—leading to uneven temperatures and higher energy use. In contrast, a two-stage unit typically runs at a lower capacity for mild conditions, only engaging full power when needed. This results in steadier cooling, better dehumidification, reduced wear, and potentially extended lifespan. While two-stage systems cost more upfront, their energy savings and consistent comfort make them a wise investment for many homeowners.

Despite their name, heat pumps do more than just heat your home. They also offer humidity control and air conditioning as well. Throughout the heating season, this device moves heat from the outdoors into your home to warm it and then transfers heat from your home to the outdoors throughout the cooling season.

When winter arrives, there's nothing more significant than your home's heating system.  Purchasing energy efficient home heating systems is one of the most significant investments you can make to ensure your family's comfort. In fact, heating your home typically uses more money and energy than any other system in your home constituting approximately 42% of your entire utility bill. Most North American households buy a furnace to provide heat and today's systems are more efficient and reliable than ever before. Nevertheless, there are multiple factors you should consider before investing in a new heating system. Here's a guide on energy-efficient home heating systems.