MAC HVAC

Contact: Mark Lizotte

Licenses & Certifications

MA: RT 135153 - Commercial HVAC/R
MA: 9146 - Master Sheetmetal - Unrestricted
NH: GF0803609 - Gasfitters
EPA Universal
Combustion Safety
NATE
MA CoolSmart QIV Contractor

05/25/2026

In honor of Memorial Day, we invite you to join us in taking time to remember and honor the brave men and women who made the ultimate sacrifice to protect our country and preserve our freedom.

On behalf of our entire MAC HVAC team, we're wishing you a respectful and meaningful Memorial Day.

05/20/2026

With summer right around the corner, now’s the perfect time to get ahead of the heat. Regular HVAC maintenance and upgrading outdated units are two great ways to keep things cool all summer long.

Stay cool and comfortable — and remember MAC HVAC is here for your home comfort needs!

📞(978) 670-5670

05/12/2026

Warmer months are coming — don’t let an AC breakdown catch you off guard! Keep an eye (and ear) out for these six warning signs. Swipe through to see if your system needs attention.

Noticing any of these red flags? Contact our MAC HVAC team today, and we’ll make sure your AC is ready to keep you cool all summer.

📞(978) 670-5670

04/29/2026

As we get ready to settle into spring, it’s the ideal time to catch small issues before they turn into costly repairs. Odd noises, strange smells, weak airflow, or uneven temperatures can all be early warning signs of HVAC issues, and waiting too long may lead to bigger problems.

Spot any of these issues? Schedule a spring maintenance appointment with MAC HVAC. We’re here to help you catch and fix issues before they turn into costly repairs.

📞(978) 670-5670

04/22/2026

With spring arriving soon, now is the perfect time to schedule an HVAC tune-up to make sure your system is working hard for you. A seasonal visit can help prevent breakdowns and high energy bills.

At your appointment, we will:

✅ Clean both indoor and outdoor coils to help maintain performance.
✅ Inspect your ducts to make sure air is flowing efficiently.
✅ Change filters to ensure that the air coming into your home is as clean as possible.
✅ Measure refrigerant levels to make sure you can get cool air if and when you need it.
✅ Check your air temperature and flow to ensure your system is keeping your home comfortable.

Ready to schedule your seasonal maintenance appointment? Book your appointment with MAC HVAC before schedules fill up.

📞(978) 670-5670

03/26/2026

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01/01/2026

Happy New Year!

As we step into 2026, we’re taking a moment to reflect on the year behind us and look ahead to what’s next. Thank you for the trust you’ve placed in MAC HVAC. We’re honored to support you and look forward to what the new year holds.

Here’s to new goals, fresh starts, and a year full of possibility!

12/22/2025

As the year draws to a close, we want to share our hope that this holiday season brings each of you peace, joy, and time to recharge with the people who matter most.

Please also note: Our office will be closed from December 24th to 26th, allowing our team to enjoy a well-deserved break.

From MAC HVAC to you, Happy Holidays!

12/18/2025

Feeling a chill when your furnace should be keeping you warm? There could be a few reasons:

🔷If the fan is set to "ON" instead of "AUTO," it can blow air even when the heat isn’t running. 🔷Clogged filters? Those can cause your system to overheat and shut off the heating element. 🔷If your pilot light is out or there's an ignition problem, your furnace won't be able to warm things up at all.

If your furnace starts blowing cold air, be sure to give us a call sooner rather than later. We’re here to help keep your home comfortable.

(978) 670-5670

12/10/2025

Feeling the chill? Now’s the time to upgrade your HVAC system for better comfort and lower energy bills. High-efficiency systems not only keep your home cozy but also help cut monthly costs and reduce wear on your unit.

Let our MAC HVAC team help you make a smart, energy-saving move this winter. Reach out to our team today!

(978) 670-5670

Address

71 Faulkner Street, # 115
North Billerica, MA
01862

Telephone

9786705670

Website

http://www.mac-hvac.com/

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