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National Heating and Air Conditioning is here to help with 24/7 emergency HVAC services. Call us today at 513-621-4620 if you have an urgent issue in the Greater Cincinnati area! Whether your heat won’t come on during a cold snap or you’re struggling with no AC in the summer, our expert HVAC professionals are available day or night.

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Our Blog

Burning Smell or Rotten Odor From Furnace? Electrical Fires or Gas Leaks Could Be Lurking
Burning Smell or Rotten Odor From Furnace? Electrical Fires or Gas Leaks Could Be Lurking

Your furnace comes on and you suddenly notice a strange odor, but you aren’t sure what it could be. This scenario happens more often than...

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How to Prepare Your Furnace for Cold Weather
How to Prepare Your Furnace for Cold Weather

Cincinnati winters can be harsh, with frigid temperatures and icy winds settling in for months at a time. When the first cold front hits, the...

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Boilers vs. Furnaces – Comparison Guide for Cincinnati Homeowners
Boilers vs. Furnaces – Comparison Guide for Cincinnati Homeowners

Cincinnati has a unique climate with humid summers and cold winters. A dependable heating system is an absolute must to keep your home safe from...

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A Guide to HVAC Warranty
A Guide to HVAC Warranty

An HVAC system is a significant investment. Most manufacturers offer financing options on approved credit to ease the financial burden of this purchase. For products...

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What’s the Right Size HVAC For Your Home
What’s the Right Size HVAC For Your Home

There’s no one-size-fits-all HVAC system. Each unit must be carefully designed to fit the area and property it will heat and cool. The key factors...

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How Can I Tell if My AC Needs to Be Repaired or Replaced?
How Can I Tell if My AC Needs to Be Repaired or Replaced?

As summer approaches, many homeowners prepare to turn their air conditioners back on, only to discover their system isn’t performing like it used to. Determining...

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Stay Cool for Less: Energy-Saving Tips for Cincinnati
Stay Cool for Less: Energy-Saving Tips for Cincinnati

While having a home air conditioning system can be great for retreating from the hot summer weather, getting your monthly utility bill can make you...

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Is Air Conditioner Maintenance Necessary?
Is Air Conditioner Maintenance Necessary?

As a homeowner, it’s easy to feel overwhelmed by recommendations regarding the maintenance of different components of your home. In fact, the influx of information...

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Best Temperature to Set Your Thermostat
Best Temperature to Set Your Thermostat

Finding that perfect thermostat setting can feel like a never-ending war between comfort and cost. Set it too low in the summer, and your energy...

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  • Pre-season maintenance appointments
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