Blog | Alexander Services

Bad Smell Coming from my Vents

Here’s another recent question posted to me the other day: The repair guys came out today and replaced the capacitor and put in a new

March 11, 2014 No Comments

What is a furnace Pressure Switch and What Does it Do?

Recently I received this email: I’d be interested to learn more about what the pressure switches do in furnaces. Here’s a specific question, but I’m

March 10, 2014 No Comments

Spring Tune-Up Time

Spring Tune-Up Time is Here Once again, temperatures are rising in Raleigh and people are starting to think about turning on their air conditioners for

February 20, 2014 No Comments

Installing A Honeywell Glowfly Hot Surface Igniter

Hot Surface Igniter- HVAC Companies Near Cary, NC Replacing a hot surface igniter that wasn’t working consistently. Notice the length of time the old one

February 19, 2014 No Comments

Common Furnace Problems – Bad Ignition Circuit Board

Bad Ignition Circuit Board – Heating and Air Raleigh NC This Rheem circuit board was giving me a bad signal. I checked the indicated temperature

February 7, 2014 No Comments

Negative Pressure Switch Failure

Negative Pressure Switch Failure – Heating and Air Holly Springs, NC Testing a negative pressure switch on a Lennox Induced Draft Motor Cary, NC Here’s

February 2, 2014 No Comments

Pressure Switch Quick Check

HVAC Pressure Switches – HVAC Companies Near Raleigh, NC This brief video shows a quick check on a pressure switch. Although this is a very

January 17, 2014 No Comments

How to Test a Capacitor

In this episode, I demonstrate how to test the capacitance of two different run capacitors. I use the FieldPiece SS66 multimeter to check the micro

January 15, 2014 No Comments

Choosing the Right Thermostat

Which Thermostat is Right for Me? Selecting the correct thermostat for your system is very easy. You just have to know what to look for.

December 30, 2013 No Comments

How to Check Refrigerant Leak

Checking to see if you have a refrigerant leak Recently I visited a customer who was selling her home and she had a situation where

September 13, 2013 No Comments