At NI HVAC Services, we proudly serve homeowners and businesses across Massachusetts, Connecticut, and nearby regions — covering up to 250 miles from our base in Lowell, MA.
Whether you need an HVAC installation, heating repair, or AC maintenance, our licensed team delivers prompt, reliable, and high-quality service wherever you are.
We combine advanced tools, expert technicians, and a commitment to comfort — ensuring that every client receives the same standard of excellence, no matter the location.
Our Commitment to Quality, Precision, and Customer Satisfaction
Decades of proven expertise delivering high-performance HVAC systems with professional precision and attention to detail.
Our certified technicians follow the highest U.S. standards, ensuring safety, compliance, and top-tier results in every project.
We act quickly to restore your comfort — most service calls are solved on the first visit, without unnecessary
delays.
All installations include
a 12-month warranty,
giving you peace of mind
and long-term
performance.
Expert AC installation for homes and businesses,
designed for comfort and energy efficiency.
Preventive care to extend the life of your HVAC system and reduce energy costs.
Fast and professional repairs available across MA, CT, and nearby states.
Reliable heating system setups to keep your property warm and efficient during the coldest months.
From residential air conditioning installations to large-scale commercial heating systems, NI HVAC Services has successfully completed more than 750 projects. Each job is handled with precision and a commitment to lasting performance, reflecting our dedication to quality and customer satisfaction.
Tell us about your project — our licensed technicians will contact you to schedule your HVAC service or provide a free quote.
24/7 Email Support
Monday to Saturday: 8:00 AM – 6:00 PM
Serving all major counties
Monday - Saturday: 8:00 AM - 6:00 PM
Sunday: Closed
Emergency services available 24/7
We respond to all inquiries within 24 hours during regular business hours.
Monday to Saturday: 8:00 AM – 6:00 PM
24/7 Email Support
Serving all major counties
