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Heating Installation Contractor Serving Bel Air, MD

Rising Sun-based G. Cullum Heating & Cooling proudly serves Bel Air, MD, bringing homeowners and businesses a trusted heating installation contractor with over 40 years of hands-on HVAC experience. Whether your current system has reached the end of its life or you are building new, our team delivers reliable, upfront heating solutions tailored to your needs and budget. Call us today at (410) 658-9775 to get started with a free estimate.

Heating Installation Contractor Serving Bel Air, MD

Winters in Harford County can be demanding, and a properly installed heating system is essential for keeping your home safe and comfortable. As your local heating specialist, we size, select, and install equipment that fits your space and energy goals. No guesswork, no rushed jobs -- just work done right.

We install a range of heating systems to meet different home needs:

▸ Furnace installation for gas and electric systems.

▸ Heat pump installation for year-round energy efficiency.

▸ Replacement of outdated or failing heating equipment.

▸ Ductless mini-split heating solutions for homes without existing ductwork.

Our upfront pricing and honest communication mean you will always know what to expect before we start.


What Can You Expect From Our Heating Installation Process?

Our process is straightforward and designed around your comfort:

  1. We schedule a free in-home estimate to assess your current setup and heating needs.
  2. Our team recommends the right system based on your home's size, layout, and efficiency goals.
  3. We present clear, upfront pricing with no hidden fees before any work begins.
  4. Our licensed technicians complete the installation cleanly and efficiently, often in a single day.
  5. We walk you through your new system, including filter care and warranty coverage, before we leave.

G. Cullum Heating & Cooling has earned over 3,000 customers across Harford County, Cecil County, and the surrounding tristate area. Find us on Google to read what our customers are saying.

Why Bel Air Homeowners Trust Our Heating Contractor Team

We are a family-owned company backed by 40 years of HVAC experience, serving Bel Air with the same care we bring to every job. Our technicians are licensed and insured, and we stand behind every installation we complete.

Here is why customers continue to call us:

▸ Licensed and insured technicians with deep residential experience.

▸ Competitive, transparent pricing with no surprise charges.

▸ Fast scheduling and dependable follow-through on every job.

▸ A team that explains your options and respects your home.

We also offer commercial HVAC services for business owners in and around Bel Air, MD, who need reliable installation and ongoing maintenance support.

Get Your Free Heating Installation Estimate in Bel Air Today


Our team is ready to help Bel Air homeowners stay warm this season. Contact us online to schedule your free estimate. We proudly serve Bel Air, MD, and surrounding communities throughout Harford County and the broader tristate region.