Unit heaters are ideal for heating garages, workshops, commercial spaces, and other large open areas. MJM Heating & Cooling provides expert installation, repair, and maintenance of unit heaters throughout New Jersey. We help you choose the right unit heater for your space and ensure it is installed correctly to maximize heating efficiency.
Our technicians also provide timely repairs and upkeep to keep your unit heaters running reliably.
From fast repairs to full system installations, MJM Heating & Cooling provides expert air conditioning services across New Jersey. Whether it’s a broken unit in the middle of summer or a new energy-efficient system you need, our veteran-owned team delivers fast, reliable, and affordable solutions built for lasting comfort.
Selecting and installing the right unit heater for your space.
Fixing mechanical, electrical, and airflow issues to restore warmth.
Regular servicing to ensure safe and efficient operation.
“MJM replaced our outdated AC system and we couldn’t be happier. Their crew showed up on time and worked efficiently. We were back to comfort in less than a day.”
“We’ve used MJM for years and they always deliver. For our seasonal tune-up, they were on time, honest, and didn’t try to upsell us on anything unnecessary.”
“We had other companies try to figure out what was wrong, but MJM got it right on the first visit. Their team is knowledgeable and professional.”
“Very responsive and professional service from start to finish. They worked around our schedule and had the AC blowing cold air the same day.”
Have questions about your air conditioner? You're not alone. Our AC FAQs cover everything from system lifespan and maintenance tips to emergency repairs and financing options—so you can make informed decisions and stay cool with confidence.
We install gas, electric, and propane unit heaters.
We offer fast repair service, often same-day or next-day.
Yes, when properly installed and maintained.
Yes, they are ideal for warehouses, workshops, and other large areas.
Annual maintenance is recommended.
Financing options are available through Wisetack.
Our team is here to help—whether it’s routine maintenance, an urgent repair, or a full system install. Contact MJM Heating and Cooling today for fast, friendly, and reliable HVAC service anywhere in New Jersey.
