820+ 5 Star Reviews
Open 7 Day Week

DIY Videos

Do you have an plumbing. air conditioning, or heating repair problem you need help with?
Has one of your systems gone out in your home and you want to figure out how to fix it?
Are you searching for answers to repair your plumbing, heating or air conditioning units?

Look through our library of easy DIY Videos and answers to frequently asked Plumbing, Air Conditioning and Heating related questions.

Can’t find your answer? Email us at service@alexhvac.com

Look through our massive selection of plumbing, air conditioning and heating articles below.

Videos

drain-line

Condensate Line Installation

How to Install a Condensate Line on an Air Conditioning System This how-to video from Alexander Heating and Air Conditioning demonstrates the proper way to install a drain line for an air conditioning system. Alexander’s team walk you step by step through the process, from identifying primary vs. secondary drain

Read More »
AC Installation Technician

Tripped Breakers for HVAC

What everyone should know if you find your breaker to your air conditioner tripped. A breaker for a motor of 1 horse power or less acts differently than a breaker for lights or receptacles. Breakers for lights and receptacles are designed to trip when the constant load reaches a level

Read More »
Sequencer DIY

How to Diagnose a Sequencer

Diagnosing Sequencers This video from Alexander Services explains how an HVAC sequencer works and how to diagnose a faulty sequencer in a heat pump system. Serving Holly Springs, NC, and surrounding areas, Alexander Services provides expert heating and air conditioning repair, installation, and maintenance you can trust.

Read More »
Lennox HVAC

Dave Lennox – Signature Series

Dave Lennox Signature Collection XP17 Air Conditioner and 98% Furnace High-efficiency air conditioner and furnace installation ensures your home stays comfortable while saving energy. At Alexander Services, we believe that when you install a quality product, you should show it off a bit — and we take pride in delivering

Read More »
Contactor Repair

How Does a Contactor Work?

HVAC Contactors Contactors are the switch to turn on your heat pump or air conditioning compressor and condenser fan. The switch is an electrical switch controlled by your thermostat and air handler or furnace. The thermostat sends a low voltage signal to an electromagnetic coil in the bottom of the

Read More »

Instant Quotes. Real Transparency. Total Convenience.

At Alexander Services, we’ve always believed in making home services as easy and stress-free as possible. That’s why we’re excited to announce our newest feature: Instant Online Quotes for HVAC and water heater replacements. No waiting, no surprises, just fast, clear pricing—right at your fingertips. Why We’re Doing This: Transparency

Read More »

7 Questions to Ask Before Hiring an HVAC Installer Company

Replacing or installing a new heating and cooling system is a major investment. The right HVAC installer can mean the difference between years of trouble-free comfort and expensive headaches. Before you sign a contract, ask these seven key questions to protect your home, your budget, and your peace of mind.

Read More »
Man who is warm

How to make a bedroom cooler

Can I make a Room Cooler? What you can do if one of your rooms will not cool like the others in your home or business. One of our bedrooms never gets cool. Is there something we can do? Many of our homeowners and businesses have asked us if there

Read More »

Should I get a bigger AC?

Should I get a Larger AC System? Putting a too-large AC in your home or business can negatively affect your cooling system’s performance and efficiency. Here are a few reasons why:  An AC unit that is too small will struggle to cool your home efficiently, while one that is too

Read More »

Commercial Drain Repair in Raleigh, NC

Commercial Drain Repair in Raleigh, NC Is your Raleigh Commercial Business or Restaurant experiencing a drain clog or leak? We can provide you with immediate service. Drain problems can cause significant disruptions to business operations, and it’s important to address them quickly to prevent further damage and potential health hazards.

Read More »
Nest Thermostat in Eco mode

Why Do I have a LEAF on My Nest Thermostat?

How to Adjust Your Nest Thermostat If you see a leaf on your Nest, your thermostat has gone into Eco mode.  By default, Nest thermostats follow a schedule you create when you first set up your thermostat.  This can be a blessing but also highly frustrating when trying to warm

Read More »
5/5

Experience our Award Winning Service

Save 10% TODAY on your Repairs! Check out or Preferred Service Membership for all of its great Benefits!

Request Service

Please fill out the form below to schedule a service appointment.