How To Look At A House

McGarry and Madsen's home inspection blog for buyers of  

site-built, mobile/manufactured and modular homes

Frequently Asked Questions (FAQ) about Air Conditioning Troubleshooting

Sunday, November 14, 2021

“What happened? It was working just a minute ago!”…..Here’s links to our articles with strategies for figuring out the cause of an a/c problem, and how to fix it yourself when it’s fairly simple:

Why has the thermostat screen gone blank? 

Why is my air conditioner not cooling enough? 

My air conditioner won't turn on. What's wrong?

Why do the lights dim when the air conditioner starts up? 

Where is the air filter for my central air conditioner and furnace? I can’t find it?

What is causing the outdoor unit (condenser) of my air conditioner to shake? 

My air conditioner outside unit (condenser) won't start and is making a humming noise. What's wrong?

Is it alright to close the air conditioning vents in unused rooms?

My air conditioner won't come on after changing the air filter. What's wrong? 

Why is there a burnt smell when I turn on the heat?

Why does my air conditioner keep shutting itself off?

• Why does the "AUX HEAT" (auxiliary heat) light keep coming on at my thermostat, even when it's not that cold outside? 

• Why does it take so long to cool a house when an air conditioner has been off for a while?  

• How can I fix rooms that are too warm or too cold in my mobile home?

• Will closing doors reduce my heating and cooling costs?

• What is wrong with an air conditioner when the air flow out of the vents is low?

• Why are some rooms colder or warmer than others?

• Why is there mold around the air conditioning vents?

 • The coolant line to the outside unit of my air conditioner is frozen. What's wrong?  

• How can I prevent mold in my Florida winter home when I'm gone for the summer? 

• What are the problems with underground return air ducts? 


Water Heaters

Water Heater Age

"What Are The

Signs Of..."

Septic Tank Systems

Structure and Rooms

Plumbing Pipes

Termites, Wood Rot

& Pests

Sinkholes

Stairs

When It First

Became Code

"Should I Buy A..."

Park Model Homes

Site

Shingle Roofs

Safety

Stucco

Remodeling

Wind Mitigation

Roof and Attic

"Does A Home

Inspector...?"

Pool and Spa

"What Is The Difference Between..."

Radon

Brick

Plumbing

Concrete and

Concrete Block

Metal Roofs

Foundations

Modular Homes

Rain Gutters

Mold, Lead & Other Contaminants

Condominiums

Older and

Historic Houses

Crawl Spaces

Mobile-Manufactured Homes

Building Permits

Life Expectancy

Clay Soil

Insurance

Floors

Insulation

Toilets

Exterior Walls

& Structures

Generators

Common Problems

HUD-Code for

Mobile Homes

Garages and Carports

Flat (Low Slope) Roofs

Electrical Panels

Sprinkler Systems

Electrical Receptacle Outlets

4-Point Inspections

Hurricane Resistance

Frequently Asked Questions (FAQ)

Home Inspection

Heating and Air Conditioning

Building Codes

Fireplaces and Chimneys

Inspector Licensing

& Standards

Energy Efficiency

Washers and Dryers

Electrical

Kitchens

Doors and Windows

(placeholder)

Cracks

Electrical Wiring

Click Below  

for Links

to Collections

of Blog Posts

by Subject

Plumbing Drains

and Traps

Appliances

Smoke & CO Alarms

Aging in Place

Top 5 results given instantly.

Click on magnifying glass

for all search results.

Bathrooms

Lighting

AFCI, CAFCI,

DFCI, & GFCI

Sinks

Air Conditioner & Furnace Age/Size

Attics

Electrical Switches

Siding

Search

This

Site

Water Intrusion

Electrical - Old

and Obsolete

(placeholder)

Foundation Certifications

Tiny Houses

About McGarry and Madsen

(placeholder)

Wells

Buying a home in North/Central Florida? Check our price for a  team inspection by two FL-licensed contractors and inspectors. Over 8,500 inspections completed in 20+ years. In a hurry? We will get it done for you.

Moisture Problems

Crawl Spaces

Bedrooms

Closets