Author Archives: Philip Nisa, Jr. and Christine Mulrooney

Why is Your A/C Frozen in the Summer

Why is Your A/C Frozen in the Summer

Even in the sweltering heat of a Florida summer, it’s possible for your air conditioning unit to freeze over. You may literally see ice on your unit. Water leaking from

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Considerations When Buying a Portable A/C

Considerations When Buying a Portable A/C

A portable A/C can be a helpful accessory to your existing central air conditioner, or totally eliminate dependence on alternatives such as window air conditioners. Compact enough to fit through

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Pet-Friendly Homes: HVAC Tips

Pet-Friendly Homes: HVAC Tips

We all love our furry, four-legged family members but they can wreak havoc on our homes. That includes your expensive HVAC system. Read on and learn how you can minimize

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It’s Time to Change the Direction of Your Ceiling Fan

It's Time to Change the Direction of Your Ceiling Fan

Ceiling fans can provide a big boost to your energy savings every year — if you run the fan blades in the right direction. Not all ceiling fans have a

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HVAC 101: Teaching Kids about Energy Efficiency

HVAC 101: Teaching Kids about Energy Efficiency

One of our main jobs as parents is teaching our kids how to be smart, responsible adults. Once your kids are grown and own their own home, they’ll be in

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Maintaining Your Water Heater Could Affect Your HVAC

Maintaining Your Water Heater Could Affect Your HVAC

Does your home have forced-air HVAC and a gas water heater? If it does and and you’re trying to save energy, it’s important to know that proper water heater maintenance

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Is a Humming Air Conditioner Normal?

Is a Humming Air Conditioner Normal?

A humming air conditioner can be completely normal, as long as it’s making a steady, low sound. However, if any of your A/C components start to make a loud humming/buzzing

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Crawl Space Safety During HVAC Maintenance and Repairs

Crawl Space Safety During HVAC Maintenance and Repairs

Whether you have a crawl space under your home or an unfinished attic, you sometimes must access these places to perform certain tasks, including working on wiring, plumbing or the

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5 Not-so-Normal HVAC Problems

5 Not-so-Normal HVAC Problems

Your HVAC system contains complicated equipment, so it’s understandable if you’re sometimes uncertain whether it’s functioning normally or a problem is developing that needs expert attention. To provide some clarity,

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When to Schedule a Condensate Drain Line Cleaning

When to Schedule a Condensate Drain Line Cleaning

Many homeowners don’t know that their central HVAC has a drain system through which your home’s excess moisture is channeled and disposed of. As moisture condenses on your evaporator coils,

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  • About Phil Jr. and Christine

    Phil Jr. and Christine Phil Jr. decided long ago to follow in his father’s footsteps working in the family business since he was a young teenager and Christine started working for NisAir in 1983 while still in high school. After graduation she continued to work at the business while attending the local community college for her career development... More »