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The Heating & Cooling Blog

By MR. HVAC

Close-up of hands adjusting a digital thermostat set to 68 degrees with indoor temperature of 70 degrees.

No Power To Thermostat? What's Actually Cutting the Power

February 20, 2026

A blank thermostat screen means your heating or cooling system has lost power, and it's more than just an...

a man working on a machine

Is Your AC Compressor Failing? Here's What You Need to Know

February 19, 2026

You're standing in your living room on a hot afternoon, and something's wrong. Your air conditioner is...

Indoor air conditioner unit covered in ice with frost and mist showing freezing malfunction.

Ice Forming on Your AC Coil? What's Happening Inside Your System

February 17, 2026

It seems impossible. Your air conditioner is supposed to cool your home, not turn into a block of ice. But there it...

Outdoor air conditioning unit mounted on textured gray wall with shadows and Chinese characters label.

Heat Pump Running All Day But Your House Is Still Cold? 6 Reasons Why

February 13, 2026

Quick Answer: If it's below 35°F outside and your heat pump runs continuously, that's usually normal. Heat pumps...

Close-up of hands adjusting a digital thermostat set to 68 degrees with indoor temperature of 70 degrees.

Your Thermostat Isn't Hitting the Set Temperature: Here's What Could Be Happening

February 09, 2026

You set the thermostat to 72 degrees, but hours later the room still reads 76. Or maybe you've cranked the heat up...

Outdoor central air conditioning unit installed on a concrete pad beside a wooden house exterior wall.

Your Outside AC Unit Isn't Turning On: Here's What Could Be Wrong

February 06, 2026

If your indoor unit is running but your outdoor condenser is silent, no fan, no humming, no cooling, only one half...

AC Compressor Not Turning On? Here's Why (And What to Do Next)

AC Compressor Not Turning On? Here's Why (And What to Do Next)

February 03, 2026

You set your thermostat, hear your indoor unit kick on, and wait for cool air that never comes. A quick check...

Rusty furnace burners and pipes inside a gas heating system with connected wires and metal components.

Why Your Furnace Won't Ignite (And What to Do About It)

January 29, 2026

You hear your furnace click on, maybe even feel a brief moment of hope, and then... nothing. No heat and no warm air...

Hand pressing a button on a modern white wall-mounted control panel with a digital screen.

Thermostat Blank? 6 Causes (Ranked by How Often We See Them)

January 27, 2026

You go to adjust the temperature and find your thermostat screen completely dark: no numbers, no backlight, no...

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