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This video will explain the different system available at HVACDirect.com and how to make an educated purchase.

Do you want clean, freshwater and lower energy costs for your residence? In this video, we’ll discuss tankless water heaters and the benefits of installing one in your home.

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Learn how to buy your HVAC system online!

Simply take your shopping list of your system needs and use those specifications to filter down to the right HVAC system for your home. Start by going to the top navigation, selecting the type of equipment you are looking for.

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Buying your heating and cooling system online saves you money – and you don’t have to be an HVAC expert to do it! We’ll walk you through how to determine what to shop for to replace your home HVAC system.

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In this video, you will learn how to use our EZ install kit for ductless mini split systems. The EZ install kit allows you to install a ductless mini split without a contractor and save you hundreds on installation costs.

Looking to heat or cool a room without hiring a pro? A DIY mini split from HVACDirect.com is the easy, affordable way to add climate control to any space. Learn how to install a DIY mini split system with our step-by-step guide with video and see why it's a smart upgrade.

What size air conditioner do you need? This video takes you through our Air Conditioner & Furnace Size Calculator. We’ll walk you through how to size your HVAC system using our sizing calculator.

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With the right parts and tools, owners of almost any brand or type of mini split can now self-install their system. IMPORTANT: This how-to guide is not written to add, remove, or adjust refrigerant levels. Its only purpose is to explain how to install the line set and remove air from the system. All refrigerant used comes pre-charged from the factory in the condenser unit. If adding, removing, or adjusting refrigerant is necessary, please STOP immediately and contact a licensed HVAC technician for assistance.

Your gas furnace's flue pipe is a very important component of your home HVAC system - and this video covers why it's important and what you need to know about it. We'll tell you what a flue pipe is and what it does; we'll also cover the different types of flue pipes and how they pair with different types of furnaces. (Note: This video is for demonstration purposes only and should not be repeated at home. Always have a licensed HVAC technician install your furnace or AC system.)

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.

There are many different acronyms by which efficiency is labeled. You have probably heard of some like EER, HSPF, or SEER but what exactly do they mean and what process do they use to determine these numbers? Well I am here to explain and better help you with future purchases in the HVAC world.

Among the top HVAC questions we get are those around the legality of buying and selling HVAC Systems and Equipment online. Click this article to continue reading and watch our informative video about the legalities of buying HVAC online.

Blower motors are a crucial part of every furnace. Before you purchase your next furnace it is important to understand the different types of blower motors and how they affect you.

The #1 question we get is “How much does it cost?” The most common answer is, “It depends.” But in this article, we’ll break that cost down so that you have a much better idea of what to expect when you’re shopping.

Interested in increasing your home’s heating and cooling efficiency? A multi-zone ductless mini-split system may be a great option to achieve that goal. Multi-zones use unique inverter technology allowing you to install multiple heating and cooling units throughout your home. This means each zone is independently controllable and customizable, even further increasing the efficiency of the unit. This video explains what a multi-zone ductless mini-split system is and what considerations should be made when considering this option for your home or business.

Ductless mini split systems have multiple air handler options to choose from. Depending on the type of space you're heating, each one has its own pros and cons. In this video, we will show you the different mini split air handler types to help you decide which one would be best for your home's HVAC system

Multi-zone mini split systems let you control temperatures individually in each room, improving comfort and lowering energy costs. In this video, we walk you through how to calculate the heating and cooling load of each zone—considering room size, insulation, windows, and usage—to determine the right number and capacity of air handlers for your home. Proper sizing ensures even temperatures, efficient energy use, and longer system life.

There's a reason people are buying their clothes, prescription glasses, and even cars online - it saves them money. Did you know you can also buy your replacement HVAC system online and save thousands of dollars? Read more to learn about why you should buy your next Heating & Cooling System online.

Use this glossary of HVAC (heating, ventilation, and air conditioning) terms and definitions to make better purchasing decisions. Save time and money purchasing at HVACDIRECT.COM |Buy Direct & Save Thousands On New Furnace and Air Conditioning Systems. 5-Star Customer Service. Free Shipping. Ready To Ship. Large Selection.

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.

The field of HVAC manufacturers is getting crowded. A newcomer battles established brands for a share of the market, and the consumer stands to gain from the competition, if he chooses wisely. The best HVAC brands are often the names you have heard for years, owned by the best HVAC companies in the industry, but do not overlook the new kids on the block.