Installation, Maintenance & Troubleshooting

Upgrading a rooftop HVAC system doesn’t have to mean expensive roof modifications. A custom curb adapter provides a seamless solution by allowing new HVAC units to fit directly onto existing curbs. Designed to align airflow, support the unit, and speed up installation, curb adapters save time, reduce costs, and boost energy efficiency. At HVACDirect.com, we make it simple—just share your unit details, approve the drawings, and get a custom-built adapter ready to install.

When you buy a new gas furnace, the system itself is only part of the investment. The right accessories make sure your furnace runs efficiently, lasts longer, and keeps your home comfortable. From smart thermostats and updated thermostat wire to LP conversion kits, ductwork, filter racks, and drain pans, these small add-ons play a big role in proper installation and performance.

Installing a new HVAC condenser? Don’t forget the essentials. The right accessories—line set, disconnect box, electrical whip, equipment pad, and system flush kit—ensure safe, efficient, and long-lasting performance. Learn how each part supports your installation and shop all the HVAC accessories you need at HVACDirect.com.

Get your HVAC system ready for winter with our essential tips. Ensure your home stays cozy by understanding how different HVAC systems, such as mini splits, provide efficient heating. Don't let the cold catch you off guard—start your preparations now.

If your heat pump stops working in winter, check the thermostat settings, ensure the power is on, and inspect the outdoor unit for ice buildup. If the issue persists, contact a professional HVAC technician for a thorough inspection and repair.

Identify the top 10 signs your furnace needs repair or replacement. From rising energy bills to uneven heating, find out how to detect problems early and keep your home warm and efficient.

A common question customers ask is "Why won't my furnace turn off?" Your furnace not shutting off can be a concern not only for your homes comfort, but also for your energy bills. In this video Zach will explain why this may be happening and how you can fix it.

A common problem HVAC installers are called for is a furnace that won't stay lit. We understand this can be very frustrating, especially in the cold months. In this video we explain why this may be happening and what you can do to fix it.

Weird noises coming from your furnace and air conditioner system can be frustrating and scary. But try not to worry, weird sounds do not mean your system is broken or no good. It could be as simple as a loose screw, and is often an easy fix. The most important thing you can do is record the song to ensure your installer can hear the noise.

This is a question HVAC installers get asked all the time - Why is my upstairs hot even with my air conditioner on? This is understandably very frustrating for homeowners when you just want a nice cool upstairs. In this video, Zach will explain why this happens and give a few tips on how to fix this issue.

A common HVAC question homeowners ask is "why is my air conditioner leaking water?" Seeing water pouring out of an air conditioner can be a scary and frustrating situation. Don't worry, it can be a very simple fix and we want to help you troubleshoot this issue!

A very common question homeowners ask HVAC technicians is "why is my furnace blowing cold air?" or "why isn't my furnace working?". We know this can be frustrating, especially during the cold season. The good news is, it can be a very easy fix.

A common question HVAC installers get is "Why isn't my Air Conditioner Blowing Cold Air?" or "Why is my air conditioner blowing hot air?" In this video, Zach will explain what the main causes are, what you can do yourself, and what your technician should be looking for.

When replacing or updating your furnace or air handler you will need to know your system configuration. Click "Read More" to watch our video!

When selecting a new furnace, understanding the cabinet width is crucial for a seamless installation. Furnace cabinets typically come in standard widths—14.5", 17.5", 21", and 24.5"—which correspond to different airflow capacities and ductwork sizes. Choosing the correct width ensures optimal airflow, energy efficiency, and compatibility with existing duct systems. Before purchasing, measure your current setup and consult with HVAC professionals to determine the best fit for your home.

Dual fuel HVAC systems combine an electric heat pump with a traditional gas furnace to deliver the most energy‑efficient home heating and cooling solution. By automatically switching to the gas unit when outdoor temperatures drop below the balance point, they ensure reliable warmth while optimizing energy costs in cold climates.

The first steps in the buying process are all about determining “what” you need to buy, since most likely you are not a heating and cooling expert. In this video, we’ll ask you a series of questions to determine what you need. We recommend you write down the answers to these questions so at the end you’ll have an easy list and description of how to buy your new heating and cooling system.

A Filter is a very important part of an HVAC system. Replacing regularly will not only improve the quality of air in your home but will also prolong the life of your furnace. Not taking care of the filter will result in greatly increased health risks due to air contamination and a shorter life span of the furnace.

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:

Are you looking for heat pumps for sale? If so, you’ve truly come to the right place. Here at HVACDirect.com, we are an industry leader in outdoor heat pump systems and units. In fact, all our units are priced to save you both time and money. With a full range of heat pump split systems, you get the highest quality performance with optimal versatility for your outdoor space. Each product features detailed information on cooling, heating, and split-style systems for maximum convenience, and as always, we are here to answer any product-related questions and concerns.

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.

Up-flow and down-flow; these descriptive words identify the direction air moves through a furnace and how that furnace is configured in the space it occupies. The location of the furnace within your home determines whether the best choice is up-flow or down-flow furnaces.

A heat‑pump condenser belongs outdoors so it can draw in unlimited fresh air and expel heat efficiently—indoors you’d just recirculate warm air, overworking the compressor and driving up energy costs. Outdoor placement also keeps noise and vibration out of living spaces, meets building‑code clearances for refrigerant lines and drainage, and gives technicians easy access for coil cleaning and diagnostics. By situating your condenser outside, you ensure optimal airflow, safety, efficiency, and system longevity.