Author Archives: Philip Nisa, Jr. and Christine Mulrooney

Is a Humming Air Conditioner Normal?

By Philip Nisa, Jr. and Christine Mulrooney | Published: April 26, 2018
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

By Philip Nisa, Jr. and Christine Mulrooney | Published: April 19, 2018
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

By Philip Nisa, Jr. and Christine Mulrooney | Published: April 12, 2018
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

By Philip Nisa, Jr. and Christine Mulrooney | Published: April 6, 2018
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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Spring HVAC Problems You Might Face 

By Philip Nisa, Jr. and Christine Mulrooney | Published: March 29, 2018
Spring HVAC Problems You Might Face 

When your air conditioner takes the winter season off, it’s going to need some TLC to help it perform at optimal efficiency. Even if you use a heat pump all

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Should Interior Doors be Closed When Running A/C?

By Philip Nisa, Jr. and Christine Mulrooney | Published: March 22, 2018
Our goal is to help educate our customers in Martin, Palm Beach, St. Lucie and Indian River Counties in Florida about energy and home comfort issues (specific to HVAC systems). For more information about other HVAC topics, download our free Home Comfort Guide or call us at 772-207-1658.

It’s logical to think that closing interior doors to rooms not frequently used would cut down on cooling costs. In reality, however, closing them may drive up cooling costs and

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Live by This Spring HVAC Checklist

By Philip Nisa, Jr. and Christine Mulrooney | Published: March 15, 2018
Live by This Spring HVAC Checklist

With warmer weather on the way, spring is a great time to make sure your air conditioning system is ready. Use the following spring HVAC checklist to help you prepare

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Does Daylight Saving Time Affect Your HVAC?

By Philip Nisa, Jr. and Christine Mulrooney | Published: March 8, 2018
Does Daylight Saving Time Affect Your HVAC?

On March 11 at 2 a.m. it will be time to spring forward and set your clocks ahead one hour for the start of Daylight Saving Time. In addition to

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End of Winter: Essential HVAC Maintenance

By Philip Nisa, Jr. and Christine Mulrooney | Published: February 27, 2018
End of Winter: Essential HVAC Maintenance

Taking time for end of winter maintenance for your HVAC system before the cooling season hits gives you some important advantages. HVAC companies aren’t scrambling to help customers with their

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Keep it Even: Solving Uneven Cooling in Your House

By Philip Nisa, Jr. and Christine Mulrooney | Published: February 22, 2018
Keep it Even: Solving Uneven Cooling in Your House

Do you routinely deal with cold spots and inconsistent temperatures when cooling your home? There are various reasons why uneven cooling problems can occur, and an experienced HVAC knows how

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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 »