DIY HVAC Blog

Welcome to the DIY HVAC Guy blog. Here you will find helpful tips to create a healthier, more comfortable home. New articles every month.

Do Air Purifiers Actually Work?

Improve Your Indoor Air Quality  If you’ve got allergies, asthma, or just want fresher air in your home, you’ve probably wondered about air purifiers. With dust, pet dander, pollen, and even invisible pollutants like VOCs (volatile organic compounds) floating...

Spring Cleaning for Your HVAC System 

Warmer weather is a sign of many things—blooming flowers, outdoor fun, and the perfect time to give your HVAC system some much-needed attention. Spring is an ideal season for homeowners to ensure their HVAC system is ready to handle the summer heat efficiently....

Outside AC Unit Not Turning On? Troubleshooting Tips and Solutions 

When your outside AC unit stops working during the summertime, it can turn your comfortable home into an unbearably hot space—fast! The outdoor AC unit is essential for your system’s functionality, and if something goes wrong, it can lead to significant issues. ...

HVAC Air Filter Replacement: Everything You Need to Know

When was the last time you changed your HVAC air filter? If it’s been a while—or if you’ve never thought about it—you’re not alone. Many homeowners, DIY enthusiasts, and property managers don’t give much thought to their HVAC systems until there’s a problem. But...

Common Signs Your Furnace Needs Repair (And How to Fix Them)

When the winter chill sets in, a functioning furnace isn’t just a luxury—it’s a necessity. Your furnace keeps your home warm and comfortable, but like any appliance, it can falter over time. Spotting the warning signs early can save you from costly repairs or even...

Switching From Cooling to Heating Mode Made Easy

When temperatures start to drop, it's time to shift your HVAC system from cooling to heating mode. While it might seem as simple as switching your thermostat setting, there’s a bit more involved in ensuring your furnace runs smoothly, efficiently, and safely...

Breathing Easy: A Guide to Improving Home Air Quality

Ever wonder what you’re actually breathing inside your home? You might assume that being indoors offers you an escape from outdoor pollutants and allergens, but poor indoor air quality (IAQ) can quietly wreak havoc on your health. Understanding and improving IAQ is...

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