fbpx

DIY DIARIES

HVAC TECHNICIANS; THE UNSUNG HEROES OF THE PANDEMIC

The COVID-19 pandemic has turned the world upside down and created fear in even the toughest of individuals. While the nation was forced indoors and urged to stop any direct interactions, some professions were forced to confront this pandemic head-on. Health care workers were one of the professions widely publicized, and likely so. However, there

Read More »

HOW DO I KNOW IF MY FURNACE TRANSFORMER IS BAD?

Typical furnace transformer Furnace power switch Typical furnace door switch zip-tied closed Test lead inserted into 120-volt power connector Meter showing 120-volts Showing test lead on 24-volt output on transformer Meter reading 24-volts Previous Next So you think you may have a bad transformer on your furnace but you aren’t sure how to be certain.

Read More »

Will Air Purifiers Kill COVID-19?

In-duct uv bulb Air scrubber by Aerus mounted in duct Previous Next With the recent development in the COVID-19 pandemic, Air Purifiers have become a mainstream product and flooded the marketplace with different products and misinformation. We are going to go over different Air Purification systems, Air scrubbers, and ultra-violet, germicidal Air purifiers. Each product

Read More »

FURNACE WONT COME ON?

This is a very common call description that I receive. While there are endless reasons why this can happen, I will go over a few of the most common reasons.  Blocked air filter/ tripped high limit switch A blocked air filter (shown in photo below) is by far, the most common reason for a furnace

Read More »

DO YOU NEED A LICENSE TO BUY HVAC PARTS?

A common myth is that you need a license to purchase hvac parts. The reason for this myth is that many heating and cooling repair companies want you to believe that this is true. Heating and cooling repair companies make a ton of money on parts sales. Most parts are marked up on average over

Read More »

Why should I check my air conditioning system every year?

Rodent nest inside condenser Chewed wiring inside condenser Weak capacitor Blocked condenser coil Condenser coil after being rinsed off with hose Previous Next Where to start?! There are many reasons why you check you’re A/C system out every year. The first one that comes to mind is money. By not checking your unit every year,

Read More »

WHY DID MY FURNACE CONTROL BOARD FAIL?

A customer who had called me had an issue where the furnace was not running at all. When I arrived at a customer’s house, I found the breaker was tripped causing no power to the furnace. I patted myself on the back and proudly proclaimed “simple fix, just flip the breaker back on”. Little did

Read More »

WHAT IS AN EXPANSION TANK AND HOW DO I KNOW IF IT’S BAD?

PHOTO COURTESY OF FIXMYFURNACE.COM An expansion tank, like the one pictured above, is a cylindrical tank with a rubber bladder inside filled to a certain pressure with air. This acts as a buffer of sorts for the expansion and contraction of water pressure. They take all of the pressure off of the water heater and

Read More »

SHOULD I COVER MY AIR CONDITIONER IN THE WINTER?

Tarp style Fixmyfurnace recommended cover Previous Next When it comes to condenser covers, I always tell a customer not to waste their money.  The one pictured above is an example of a typical “tarp style” cover. I really don’t like these for multiple reasons. The first is that these covers don’t allow the unit to breathe.

Read More »
Pressure Switch

WHAT IS A PRESSURE SWITCH AND HOW DOES IT WORK?

A pressure switch is a safety component on a furnace. It has sole responsibility for ensuring that the exhaust blower or inducer is operating properly. This is why you will find a hose connected directly to the inducer housing. Each pressure switch has a designed working pressure rating measured in “inches of water column”. This

Read More »
Scroll to Top