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Mitsubishi Electric Mini Split

Heating Services in Montclair, NJ

Over 90 Years Serving Northern New Jersey. Heating Experience Backed by a 150-Person Team.

Since 1934, Reiner Group has provided heating services across Northern New Jersey, building more than 90 years of continuous experience with the systems that keep homes and businesses comfortable through harsh winters. We serve Montclair, NJ, and the surrounding Essex County area with a full range of heating work: repair, installation, replacement, maintenance, and 24/7 emergency response. Our team services all makes and models, and we offer free estimates.

Whether you have a gas furnace, a steam boiler in a century-old home, or a heat pump you’re looking to upgrade, our team includes licensed engineers, electricians, plumbers, and HVAC technicians with the depth to handle it.

Need heating service in Montclair? Call us any time at (201) 371-7980 or request a free estimate online.

Meet Our Team

24-Hour Emergency service

ALL Makes and Models
  • Generac
  • Mitsubishi Electric Mini Split
  • Lennox
  • Lochinvan
  • Rheem
  • Carrier
  • Trane
  • Bradford White Water Heaters
  • York

Heating Services We Provide in Montclair

Montclair’s housing stock spans more than a century of construction, which means we regularly work with everything from modern high-efficiency systems to original steam boilers in pre-war homes. Our technicians are comfortable across all of it.

Our heating services include:

  • Furnace repair, installation, and maintenance: Gas furnaces are the most common heating system in Northern New Jersey homes, and we handle the full service cycle.
  • Boiler repair and installation: Including steam and hot-water boilers found throughout Montclair’s older neighborhoods.
  • Heat pump installation, repair, and maintenance: Including cold-climate heat pumps suited to New Jersey winters.
  • Ductless mini-split heating: Mitsubishi Electric systems for homes without existing ductwork.
  • Commercial heating installation and repair: For businesses across Essex County.
  • Emergency heating repair: Available 24/7 when a breakdown can’t wait.

Furnaces, boilers, and heat pumps each have different maintenance schedules and service requirements. Working with a team that handles all three means you won’t hit gaps in coverage as your needs change.

Why Montclair Clients Choose Reiner Group

Credentials matter when you’re choosing who works on your heating system. Reiner Group has received the Dave Lennox Award for more than 20 consecutive years, a recognition held by a select group of contractors across the country. We’re a Lennox Premier Dealer and a Mitsubishi Electric Diamond Dealer, and in 2025 we received the PSE&G Trade Ally Award.

Our 150-plus employees span engineering, plumbing, electrical, and HVAC trades. We stock and install systems from Lennox, Rheem, Honeywell, and Mitsubishi Electric, and we service all other makes and models as well. More than 1,000 customer reviews reflect the trust we’ve built with homeowners and businesses throughout the region. We also actively support Habitat for Humanity and other local organizations as part of our commitment to the communities we serve.

we are reputable Customer Testimonials

At Reiner Group, your satisfaction is our priority! See for yourself what our customers have to say about working with us.

  • "Couldn't recommend more highly."

    The level of professionalism is top notch in all respects.

    - Robert M.
  • "I would highly recommend this company."

    They exceeded my expectations with their top notch service, expertise and quality of installation.

    - Jonathan S.
  • "Very satisfying experience!"

    His timing was quite fortunate for me having a normally working system to cool my house just before the second heat wave of 2023.

    - Gregory B.

Heating in Montclair: What the Local Housing Stock Requires

Montclair, NJ is home to a large number of properties built in the early to mid-1900s. Many of those homes were originally equipped with steam or hot-water boiler systems that are still in operation today. These systems require technicians with hands-on experience on older equipment, including pressure relief valve checks, water level monitoring, and the particular demands of steam distribution.

Winter lows in Montclair regularly fall into the low-to-mid 20s Fahrenheit, making a functional heating system a practical necessity. Homeowners with aging oil or gas systems may find that a high-efficiency furnace replacement or heat pump installation can improve operating costs alongside comfort.

Schedule Heating Service in Montclair

Reiner Group is available around the clock for emergency heating repair in Montclair and throughout Essex County. For planned work, free estimates are available by phone or through our online contact form.

Call us at (201) 371-7980 or reach out online to get started.

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Why Choose Reiner? What Makes Us Different

Serving Northern New Jersey Since 1934

  • We Are Reiner
    Our employees are our most important asset.
  • We Are Responsive
    24-hour emergency service. ALL makes and models.
  • We Are Reputable
    Don’t just take our word for it...We’ve got over 1,000 reviews!
  • We Are Reliable
    100% satisfaction is our guarantee.
  • We Are Established
    With over 85 years in business, we’ve seen it all!
  • We Are Here For You
    Your home comfort is our mission – how can we help?